Best Honda Lines in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Honda Lines

GM Genuine Parts 15809053 Automatic Transmission Auxiliary Fluid Cooler Upper Line
#TOP1
Gm Genuine Parts 15809053 Automatic Transmission Auxiliary Fluid
9.8
PM SCORE
Waricaca 397 Transmission Line Fitting Kit Fits for GM 1996 and Later Snap-in Style Lines
#TOP2
Waricaca 397 Transmission Line Fitting Kit Fits For
9.8
PM SCORE
Dynamic FLK-38 Automotive Replacement Fuel Line Repair Kit 3/8 in (10mm), 23 Pack , Black
#TOP3
Dynamic Flk-38 Automotive Replacement Fuel Line Repair Kit
9.3
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Honda Lines of 2026

Market Overview
Honda Lines Reviewed
  • Reviews Analyzed: 3684 Items
  • PM Avg. Rating: 5.7 / 10
65 Products Evaluated
  • Highest Price: $269.00
  • Lowest Price: $6.77
  • Avg. Price: $51.51

Gm Genuine Parts 15809053 Automatic Transmission Auxiliary Fluid Cooler Upper Line

GM
15809053
54.00 X 14.00 X 9.00 Inches
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Premier Auto Part 9.56

Features

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

Waricaca 397 Transmission Line Fitting Kit Fits For Gm 1996 And Later Snap-In Style Lines

WARICACA
LINE-397
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Fits for: GM 1996 and Later Snap-in Style Lines

Material: Made of high quality brass, durable in use

Part Number: OC-397/397/OC397

Feature: Designed to connect the transmission cooler line to the cooler hose; Coated for extra protection against corrosion

Note: Please check all the product information to make sure this is the right one you want before placing your order

Dynamic Flk-38 Automotive Replacement Fuel Line Repair Kit 3/8 In (10Mm), 23 Pack , Black

DYNAMIC
FLK-38
141.00 X 11.00 X 3.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Save Time and Money with the Dynamic FLK-38 3/8" Nylon or Steel Fuel Line Repair Kit

25 FEET 3/8" NYLON FUEL LINE TUBING

QTY 2, 90 DEGREE 3/8" QUICK DISCONNECT

QTY 2, STRAIGHT 3/8" QUICK DISCONNECT

QTY 2, 3/8" NYLON TO STEEL COMPRESSION UNION

QTY 2, GM 3/8" TO NYLON OR RUBBER

QTY 2, 3/8" QUICK DISCONNECT TO STEEL TO NYLON

QTY 2, 3/8" NYLON TO NYLON UNION

QTY 10, NYLON FUEL LINE CLAMPS

Fit Type: Universal Fit

The Stop Shop Nylon Or Steel Fuel Line Replacement Kit. Fittings/Tubing / Compression Fittings. 25' 8 Mm Fuel Line Tubing

THE STOP SHOP
NFK825F
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
thestopshop 9.88

Features

Includes: 25 feet of 8 mm O.D. Nylon Fuel Line, 2 x Straight female quick disconnect fittings to attach to 5/16" O.D. steel fuel line, 2 x 90 degree female connectors to connect to 5/16" O.D. fuel line, 2 x 8mm hose ends to 5/16" quick disconnect ends, 2 x 8mm hose ends to 14mm GM fittings with 'O' ring flare, 2 x compression unions to connect the 8 mm nylon tube or 5/16" tube to 8mm or 5/16" steel line, 2 x unions for 8 mm Nylon Line

This kit is not made specifically for any year, make or model. Rather it is a kit that has the most common pieces we have found needed for fuel line repairs.

Compression fittings for 5/16" steel tube to replace with 8 mm Nylon

Adapters to fit GM male fuel applications

Kit to replace 5/16" steel fuel line or 8 mm Nylon Fuel Line.

Transmission Cooler Hose Fitting Kit With Braided Line For Chevy Ford Mopar Gm Gmc Buick Cadillac Cars And Trucks, Stainless Steel Braided Lines, Replace Th350/ 700R4/ Th400

RJSPHH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
RJSPHH 9.78

Features

🚗Replace Number - Transmission cooler hose fitting replace number is TH350 700R4 TH400.

🚗Package Include - AN6 flared to 1/4" NPT billet adaptors, fits most 700R4, TH350, TH400; Please check fitting size prior to ordering (Some are 1/4" and others 3/8");AN-6 flared to 3/8" NPT billet adaptors;90 degree AN-6 inverted flare to AN-6 flare billet adaptors; lines in the kit, and each line is about 52".

🚗Compatible with -The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more;Works with lots of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks

🚗Made of high-quality materials, durable

🚗1 year warranty for it.If you have any problem ,please contact us and we will respond you on 24 hours

#TOP6
Best For Gm

Upgraded Allison Transmission Cooler Lines 2006-2010 Gm Gmc Chevy 6.6L Lbz Lmm Duramax Diesel 6.6

GPP
DP0152
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
RD Parts 9.78

Features

2006-2010 GM 6.6L LBZ/LMM Duramax Diesel (w/ Allison Transmission ONLY)

Includes All Fittings/Hardware

Transmission Lines

Concave Washers

Acdelco Gm Genuine Parts 15264590 Automatic Transmission Fluid Cooler Inlet Line

GENERAL MOTORS
15264590
19.60 X 6.20 X 4.00 Inches
0.58 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

Powerworks Stainless Steel Flexible Braided Transmission Cooler Hoses/Line 52”Length Compatible With Th350 700R4 Th400

POWERWORKS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Wenson2008 9.82

Features

The outside of the hose is made of flexible stainless steel, and the inside of the hose is made of high temperature resistant, anti-freeze cracking and explosion-proof PVC material.

After verification, hose compatible with Turbo 350 (Some are 1/4" NPT), Turbo 400,Turbo 200 - 200R4, Power Glide (Some are 1/4" NPT), 700R4 - 4L60 - 4L60E - 4L65E, 4L80E: 1995 & older, Ford C4 - C6 - AOD

Package include two about 52 inch & 3/8" I.D. Stainless Steel Braided Hoses;four AN-6 flared to 1/4" NPT billet adaptors, fits most 700R4, TH350, TH400; two AN-6 flared to 3/8" NPT billet adaptors; two 90 degree AN-6 inverted flare to AN-6 flare billet adaptors.Please check pictures for more details.

The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more, works with lots of For Chevy, For Ford, For GM, For GMC, For Buick, For Cadillac cars & trucks

Under the protection of the brand, the quality of the goods is trustworthy. If you have any questions, you can contact us. We look forward to giving you the best shopping experience.

Fleece Performance Engineering Fpe-Tl-Lb7-Lly Transmission Cooler Line (01-05 Gm Duramax 6.6L Lb7 / Lly Allison)

FLEECE PERFORMANCE ENGINEERING
FPE-TL-LB7-LLY
14.00 X 14.00 X 5.00 inches
5.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.71

Features

Fleece Performance Engineering FPE-TL-LB7-LLY Transmission Cooler Line (01-05 Compatible with/Replacement for GM Duramax 6.6L LB7 / LLY Allison)

6An Ss Transmission Cooler Hose Fitting, Fit For Chevy Ford Mopar Gm Gmc Buick Cadillac Cars And Trucks, Stainless Steel Braided Lines, Replace 700R4/ Th350/ Th400/ Np-700Rtl

TIKSCIENCE
700R4
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TIKSCIENCE 9.75

Features

Fitment - Transmission cooler hose fitting fit for Chevy Ford Mopar GM GMC Buick Cadillac Cars and Trucks.Universal kit for rat rod, hot rod, street rod, muscle car, custom and others.

Replace Number - Transmission cooler hose fitting replace number is 700R4, TH350, TH400, NP-700RTL.

Compatible with - for Turbo 350 (Some are 1/4" NPT), for Turbo 400, for Turbo 200 - 200R4, for Power Glide (Some are 1/4" NPT), for 700R4 - 4L60 - 4L60E - 4L65E, for 4L80E: 1995 & older, for Ford C4 - C6 - AOD.

Product Size- This stainless steel flexible braided transmission hoses, each 3/8" inner diameter hose is approximately 52" in length, and comes with an AN-6 inverted torch end; single-channel and dual-channel coolers are installed; the universal kit is perfect for you Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom, etc.

Package Include - About 52 inch and 3/8" I.D. Stainless Steel Braided Hoses; AN6 flared to 1/4" NPT adaptors fits most 700R4, TH350, TH400; AN6 flared to 3/8" NPT adaptors; 90 Degree AN-6 Inverted flare to AN-6 flare adaptors.

Acdelco 15196327 Automatic Transmission Fluid Cooler Outlet Line

GENERAL MOTORS
15196327
42.50 X 10.00 X 6.90 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

#TOP12
Best For Gm

397 Transmission Line Fitting Tube Adapter Replacement For Gm 1996-Up For Gmc For Chevy Chevrolet Transmission Cooler Installation (10)

GOPAYIA
1.97 X 0.39 X 0.39 Inches
147.50 Grams
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LangTo Direct Shop 9.64

Features

Used to connect clear tubing to the transmission cooler in order to flush the transmission and works perfectly for GM vehicles

For GM 1996 and later Snap-in Style Push or Clip Oil Lines

Connection Fitting Size: 3/8"

A must have for transmission cooler installation. Saves the pain of cutting the line and makes it look like a nice clean install

Please carefully review all the product information before purchasing and contact us if you’re unsure if it will fit. Your satisfaction would be our greatest motivation

Wztepeng 52 Inch 700R4 An6 Transmission Cooler Hose Fitting With Braided Line Compatible With Chevy Ford Gm Gmc Buick Cars And Trucks Replace Th350/ Th400

WZTEPENG
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tepeng Powersport 9.86

Features

Compatible with:Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks.

Braided Lines : Suitable for single- and dual-channel coolers ; end with AN-6 inverted torch.

Includes: 52 inch and 3/8" internal diameter Stainless steel braided hoses, 1/4 "NPT adapter , 3/8" NPT adaptors ,90 degree adapter.

Feature:We adopt the highest grade materials to make our product. It bring durable and reliable feature under extreme conditions.

Warranty:For any reason, if you are not satisfied with your purchase, contact us directly. We offer a one-year warranty, 100% satisfaction guarantee.

52 Inch 6An Stainless Steel Braided Lines Transmission Cooler Hose Fitting Fit For Chevy Ford Mopar Gm Gmc Buick Cadillac Cars And Trucks Replace 700R4/ Th350/ Th400/ Np-700Rtl

GOLDZHI
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SCM Auto 6.41

Features

Stainless steel flexible braided transmission hoses/ lines fit single and dual pass coolers

The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more

Works with lots of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks

Package includes:(2) about 52 inch & 3/8" I.D. Stainless Steel Braided Hoses,4) AN-6 flared to 1/4" NPT billet adaptors,(2) AN-6 flared to 3/8" NPT billet adaptors,(2) 90 degree AN-6 inverted flare to AN-6 flare billet adaptors.

You can contact us if you have any questions about the product, and we will try our best to help solve them

52" 6An Ss Braided Transmission Cooler Hose Lines,For Chevy Ford Mopar Gm Gmc Buick Cadillac Cars And Trucks Replace 700R4/ Th350/ Th400/ Np-700Rtl

XITUANYUAN
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CH-TOOL 8.44

Features

【Compatible With】:Applicable to 700R4/ TH350/ TH400/ NP-700RTL,compatible with Chevy Ford Mopar GM GMC Buick Cadillac Cars and Trucks.

【Function】:Improving the cooling efficiency of the vehicle's gearbox helps to avoid heat related faults and thus extends the service life of the equipment.

【52" 6AN Transmission Cooler Lines Kit Includes】:Two stainless steel braided hoses with an inner diameter of about 52 inches and 3 / 8 inches; Four an-6 flared to 1 / 4 "NPT billet adapters for most 700r4, th350, TH400; two an-6 flared to 3 / 8" NPT billet adapters; Two 90 degree an-6 reverse flared to an-6 flared billet adapters.

【Superior Material】:The transmission cooler pipeline kit adopts high-quality 304 stainless steel braided PTFE hose, which has good protection effect, soft, tough and wear-resistant. It is not easy to leak when operating under high pressure.

【After Sales】:Please check the hose and fitting dimensions before ordering.1 year warranty provided,Please purchase and use at any time. Before leaving any feedback, please contact us to solve any problems in your use.

Muhize Transmission Cooling Lines - Upgrade 6An Stainless Steel Braided Lines 52 Inch For Chevy Ford Mopar Gm Gmc Buick Cadillac, Transmission Cooler Hose Line Kit Compatible With Th350 700R4 Th400

MUHIZE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MuHize® Direct 9.85

Features

PACKAGE INCLUDE - 2 x 52 inch 3/8 I.D. Stainless Steel Braided Hoses; 4 x AN-6 flared to 1/4 In NPT billet adaptors; 2 x AN-6 flared to 3/8 In NPT billet adaptors; 2 x 90-degree AN-6 inverted flare to AN-6 flare billet adaptors.

COMPATIBILITY - MuHize 52 inch transmission cooler hose fits for TH350 700R4 TH400 coolers of Chevy Ford Mopar GM GMC Buick Cadillac Cars and Trucks.

DURABILITY - This transmission cooling line kit is made of high-strength PTFE(Teflon), which is resistant to high & low temperatures and is anti-corrosion. The precision braided stainless steel on the outside of the hose greatly increases the strength of the tube.

ANTI-LEAKAGE - The interface is covered with black rubber, which can effectively prevent leakage and ensure the normal operation of the hose.

DIFFERENT FITTINGS - Different sizes of fittings are for different cars and turbos. Please check as much as possible to make sure the transmission cooling hose is the one that you need.

Acdelco 20793004 Automatic Transmission Fluid Cooler Inlet Line

GENERAL MOTORS
20793004
36.00 X 6.50 X 3.00 Inches
0.42 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

70" Transmission Cooler Hose For 700R4 4L60 4L60E 4L65E 4L80E, Ss Braided Lines Compatible With Ford C4/C6/Aod & Gm Chevy 1996+ Vehicles

OCTAOR
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
abluming 8.30

Features

🏎️Product Details: 70" Transmission Cooler Hoses for Specific Vehicles.

🏎️Fit for Turbo 200/200R4/350/400/700R4 Power Glide (Some are 1/4" NPT) & 4L60 4L60E 4L65E 4L80E

🏎️Compatible with Ford C4 C6 AOD & 1996+ GM Chevy Buick Cadillac Vehicles

🏎️Package Included: 2x 70" & 3/8" I.D. Stainless Steel Braided Hoses; 2x AN-6 flared to 3/8" NPT billet adaptors; 2x Aluminum 4L80E adapter fittings; 4x AN-6 flared to 1/4" NPT billet adapters; 4x 90 degree AN-6 inverted flare to AN-6 flare billet adapters

🏎️Warranty: 1 Year Warranty Provided. Please feel free to contact our customer service if you have any product-related question.

Acdelco 22687261 Automatic Transmission Fluid Cooler Line

GENERAL MOTORS
22687261
40.40 X 5.50 X 4.00 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

#TOP20
Best For Gm

Galaxy Auto Heavy Duty Upgraded Allison Transmission Cooler Lines Compatible With 2001-2005 Gm Chevy Silverado/Gmc Sierra 6.6 Lb7 Lly Duramax Diesel

GALAXY AUTO
GA-153
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
RD Parts 9.78

Features

The Galaxy Auto Allison transmission cooler lines fix the old leaky transmission lines in your 2001-2005 GM 6.6L Duramax LB7 & LLY. These heavy-duty, high-flow, flexible transmission lines are just what you need for trouble-free performance from your Allison Transmission.

Kit Includes: Transmission Lines | Concave Washers | Includes All Fittings/Hardware

Note: In most cases, trucks with aftermarket radiators will require the purchase of aftermarket fittings for installation. Due to the many possible combinations, fitment is not guaranteed on non-stock components.

#TOP21
Best For Gm

2Pc 6An X 1/4Npsm 90 Degree Banjo Fittings For 4L80E Gm Transmission Oil Cooler

TAKPART
TKUS-10100
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TAKPART 9.71

Features

Package includes: 2 x 90 degree oil cooler

Fits for 4L80E GM transmission cooler BANJO fittings 1997 to Mid 2010.

Outer Diameter of Thread: approx. 0.521in/13.3mm

Wonvon Transmission Cooler Hose Fitting Kit With 52" Stainless Steel Braided Line Compatible With Chevy Ford Mopar Gm Gmc Buick Cadillac Cars And Trucks Replace Th350/ 700R4/ Th400

WONVON
WU1081-USCJY
8.66 X 7.87 X 1.77 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WonVon Direct Store 8.05

Features

【Package Included】 2 x about 70 inch & 3/8" I.D. Stainless Steel Braided Hoses; 4 x AN-6 flared to 1/4" NPT billet adaptors; 2 x AN-6 flared to 3/8" NPT billet adaptors; 4 x 90 degree AN-6 inverted flare to AN-6 flare billet adaptors;2 x Aluminum 4L80E adapter fittings.

【Compatible with】 Turbo 350 (Some are 1/4" NPT) Turbo 400 Turbo 200 200R4 Power Glide (Some are 1/4" NPT) 700R4 4L60 4L60E 4L65E 4L80E: 1996 & Newer Compatible with Ford C4 C6 AOD

【Product is Upgraded】 adding a waterproof and anti-corrosion sleeve to the head of the braided hose. Make the product more durable.

【Material】 Made of stainless steel flexible braided transmission hose, reliability and stability, Easy to install.

1 year warranty for it.If you have any problem ,please contact us and we will respond you on 24 hours

6An Transmission Cooler Lines 70 Inch, Stainless Steel Braided Hose Fitting Repair Kit For Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E, For Ford C4-C6-Aod, For Gm Chevy 1996-2021 4L80E

VSWIG
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VSWIGstore 6.74

Features

Compatible with: Turbo 350 (Some are 1/4 inch NPT), Turbo 400, Turbo 200 - 200R4, Power Glide (Some are 1/4 inch NPT), 700R4 - 4L60 - 4L60E - 4L65E, 4L80E: 1996 & Newer, fit for Ford C4 - C6 - AOD.

Transmission oil cooler lines kit is made of high-quality 304 stainless steel wrapped with PTFE hose, which has good protection effect, soft, tough and wear-resistant. It is not easy to leak when operating under high pressure.

Package includes: 2 x 70 inch & 3/8 inch I.D. Stainless Steel Braided Hoses; 4 x AN-6 flared to 1/4 inch NPT billet adaptors, 2 x AN-6 flared to 3/8 inch NPT billet adaptors; 4 x 90 degree AN-6 inverted flare to AN-6 flare billet adaptors; 2 x Aluminum 4L80E adapter fittings; 2 x AN-4 hose separator clamp.

The aluminum AN-4 hose separator clamp fit for 6an fuel line, oil line, brake line, water pipe and gas line.

We highly value the buyer shopping experience and aimed to provide quality parts. If you have any question, please feel free to contact us.

#TOP24
Best For Ford

Tikscience Flexible Ss Braided Transmission Cooler Hose Line Fit For Ford C4 - C6 - Aod, For Gm Chevy 1996 And Newer 4L80E, For Turbo 350/ 400/ 200 - 200R4/700R4 - 4L60 - 4L60E - 4L65E

TIKSCIENCE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TIKSCIENCE 9.75

Features

Fitment - Transmission cooler hose fitting fit for GM Chevy 1996 and Newer 4L80E.Fit for Ford C4 - C6 - AOD.

Product Size - Each 3/8" inner diameter hose is about 70" long with AN-6 inverted flare ends.6AN hoses with swivel ends: 7/16” O.D. & 3/8” I.D.

High Quality Material - Transmission cooler hose fitting using high-quality raw materials, it is not easy to be damaged and leaked, with good sealing performance and long service life.

Compatible with - for Turbo 350 (Some are 1/4" NPT),for Turbo 400, for Turbo 200 - 200R4, for Power Glide (Some are 1/4" NPT),for 700R4 - 4L60 - 4L60E - 4L65E,for GM Chevy 1996 and Newer 4L80E.

Installation and Service - The installation is simple, just replace it directly.The customer service period is 2 year. If you have any questions about our product, please reply to us by email and we will help you resolve any issues as soon as possible.

Osias Stainless Steel Braided Transmission Cooler Hoses Fittings, Fit For Chevy Mopar Gm Gmc Buick Cadillac Cars And Trucks, Replace Th350 700R4 Th400 52” Length

OSIAS
OT-20N93
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
otautopartsspecialist 7.77

Features

Fitment - The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more;Works with lots of Chevy, Mopar, GM, GMC, Buick, Cadillac cars & trucks;

Product Size- This stainless steel flexible braided transmission hoses, each 3/8" inner diameter hose is approximately 52" in length, and comes with an AN-6 inverted torch end; single-channel and dual-channel coolers are installed;

Replace Number - Transmission cooler hose fitting replace number is TH350 700R4 TH400.

Package Include - Sold as a pair (2 hoses).(2) about 52 inch & 3/8" I.D. Stainless Steel Braided Hoses;(4) AN-6 flared to 1/4" NPT billet adaptors, fits most 700R4, TH350, TH400;(2) AN-6 flared to 3/8" NPT billet adaptors;(2) 90 degree AN-6 inverted flare to AN-6 flare billet adaptors.

3 Year Warranty ,Please check hose & fitting sizes prior to ordering since some fittings are 1/4" and others 3/8"

If you are not sure if it is suitable, please consult us.

#TOP26
Best For Gm

Pqy 70" 6An Ss Braided Transmission Cooler Hose Lines Kit Compatible With Ford C6/Aod & Gm Chevy 1996-2021 For Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E

PQY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CNPQY 9.88

Features

The replace order number of the Transmission cooler hose fitting is TH350 700R4 TH400.

Package include:2pcs 70inch stainless steel braided hose,2pcs an6 to 3/8npt fitting,2pcs 6an to 1/4npt fitting,2pcs 6an to 1/4nps fitting,4pcs 6an female to 6an male 90degree fitting.

The Transmission Cooler line is made of high quality Stainless Steel and PTFE.The length of the braided part is about 70inch ,total length is about 74inch. Add an appropriate sized transmission cooler will help extend the life of your unit by avoiding heat related failure.

Use fittings to thread into the transmission and AN adapters to connect to transmission cooler ensuring a reliable, leak free transmission cooling system.

PQY CUSTOMER SERVICE:: .If you have any problem ,please contact us and we will respond you in 24 hours except weekends and holidays.

#TOP27
Best For Gm

Bonilora 6 An Automatic Transmission Cooler Lines Kit 6An Hose Line Kit Fit Gm 4L60E 4L65Ea (Hoses Id 3/8", Lengh 55" And 58")

BONILORA
GM4L60E
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Condition: Brand New & High Quality cooler lines kit, Made of premium 6061 Aluminum Alloy; Fiber and SS braided transmission hoses/ lines, with Stainless Steel Wire used in Middle Layer.

Part Number: GM4L60E. Please check the part number before purchasing to ensure fitment.

Compatible with: GM 4L60E 4L65EA

Package include: 2 pcs Fiber and SS braided transmission hoses (The hoses ID is 3/8", The lengh are approximately 55" & 58” with AN-6 inverted flare ends);4 pcs 90 degree adapters/fittings; 2pcs 1/4” NPS to -6AN transmission fittings; 2pcs 1/4” NPT to -6AN radiator fittings.

Easy to install, just Plug-and-play, Direct replace your vehicle’s original factory component.We provide 100% perfect customer service,Any questions please sent email to us.

#TOP28
Best For Gm

Allison-Transmission Cooler Hose Line Fitting Kit For 2006-2010 Gm Gmc Chevy 6.6L Lbz Lmm Duramax Diesel

RJSPHH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
RJSPHH 9.78

Features

🚗Compatible with 2006-2010 GM 6.6L LBZ/LMM Duramax Diesel (w/ Allison Transmission ONLY)

🚗Compatible with 2006-2010 Chevy Silverado 2500 3500 HD 6.6L Turbo Diesel

🚗Compatible with 2006-2010 GMC Sierra 2500 3500 HD 6.6L Turbo Diesel

🚗Allison Transmission Cooler Lines fix the old leaky transmission lines in your 06-10 GM 6.6L Duramax LBZ & LMM.

Baiann 52" Transmission Cooler Hose Fitting Kit With Braided Line For Chevy Ford Mopar Gm Gmc Buick Cadillac Cars And Trucks, Stainless Steel Braided Lines, Replace Th350/ 700R4/ Th400

BAIANN
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
百安织带 5.90

Features

🚗Replace Number - Transmission cooler hose fitting replace number is TH350 700R4 TH400.

🚗Package Include - AN6 flared to 1/4" NPT billet adaptors, fits most 700R4, TH350, TH400; Please check fitting size prior to ordering (Some are 1/4" and others 3/8"); AN-6 flared to 3/8" NPT billet adaptors; 90 degree AN-6 inverted flare to AN-6 flare billet adaptors; lines in the kit, and each line is about 52".

🚗Compatible with -The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more; Works with lots of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks.

🚗Made of high-quality materials, durable.

🚗1 year warranty for it. If you have any problem, please contact us and we will respond you on 24 hours.

#TOP30
Best For Gm

Yeshma Upgrade Transmission Cooler Line Hose Fittings Compatible With Gmc Chevy Lbz Lmm 6.6L Duramax W/Allison 2006 2007 2008 2009 2010

YESHMA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
XUZ OUTLET 7.62

Features

Application: The transmission cooler lines are compatible with GM GMC Chevy LBZ LMM 6.6L Duramax (Compatible with w/ Allison Transmission ONLY)

Benefit: Perfect replacement for repairing old leaky transfer lines without antifreeze mess. This high-performance, high flow, and flexible transmission lines make your transmission more efficient and trouble-free for better transmission results

Well-Made: Our transmission cooler lines upgraded design with quality hoses and fittings, High-temperature resistance, and 1/2" inlet diameter for smoother fluid transfer

Installation: Perfect replacement for OEM lines, easy to install, The mounting thread for the adapter is 7/8-14(Vehicles equipped with aftermarket transmission oil coolers may require M22 1.5 x -10 fittings to attach Duramax Allison transmission cooler hose lines to the front cooler)

Warranty: Sales is just the beginning of service. If you have any problems, contacting us and we will serve you within 24 hours.

Top 10 lines Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Gm 14
General Motors 12
Octaor 3
Rjsphh 3
Tikscience 3
Jsdan 2
Muhize 2
Xituanyuan 2
Acdelco 1
Baiann 1

Top 10 lines Brands Pie Chart


We've carried out a comprehensive analysis of 3,684 reviews on lines, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select lines priced around $51.51, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 30 lines for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right lines Products based on their needs, saving them considerable time when choosing which lines to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.