Best Idler Bearing Pulleys in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Idler Bearing Pulleys

ACDelco Gold 36299 Idler Pulley with Bolt, 17 mm Insert, Dust Shield, Retainer, and Spacer
#TOP1
Acdelco Gold 36299 Idler Pulley With Bolt, 17
9.8
PM SCORE
GM Genuine Parts 12580773 Drive Belt Idler Pulley
#TOP2
Gm Genuine Parts 12580773 Drive Belt Idler Pulley
9.8
PM SCORE
Belleone Idler Pulley Fits for Husq Craftsman Mower- Idler Pulley Bearing Compatible with Hus AYP Craftsman TS342, TS343, TS348 Lawn Mower Tractor with 48" 54" Deck, Replace 532196104,197380
#TOP3
Belleone Idler Pulley Fits For Husq Craftsman Mower-
9.7
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 Idler Bearing Pulleys of 2026

Market Overview
Idler Bearing Pulleys Reviewed
  • Reviews Analyzed: 6277 Items
  • PM Avg. Rating: 6.6 / 10
33 Products Evaluated
  • Highest Price: $1,299.00
  • Lowest Price: $6.59
  • Avg. Price: $61.02

Acdelco Gold 36299 Idler Pulley With Bolt, 17 Mm Insert, Dust Shield, Retainer, And Spacer

ACDELCO
36299
5.20 X 5.20 X 1.50 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Premium aftermarket replacement part

Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

Bearing is designed for application specific speed and load requirements

Gm Genuine Parts 12580773 Drive Belt Idler Pulley

GM
12580773
6.30 X 4.30 X 4.30 Inches
0.94 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Helps repair noisy idler pulley bearing

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

GM regularly updates production and service part designs to integrate new materials and technologies

#TOP3

Belleone Idler Pulley Fits For Husq Craftsman Mower- Idler Pulley Bearing Compatible With Hus Ayp Craftsman Ts342, Ts343, Ts348 Lawn Mower Tractor With 48" 54" Deck, Replace 532196104,197380

BELLEONE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CCuan 9.93

Features

Replaces #532196104, 196104, 197380, 532197380. Please check the size and replacement part number before buying.

Fit for AYP Craftsman Husq lawn mower tractor with 48" 54" deck

Made of high quality steel, this idler pulley is solid built and durable to use

Easy to install and runs smooth without bearing noise.

OD: 5-3/8", ID: 3/8", Height: 1-5/8", check the size before you buy it

Dayco 89007 Tensioner & Idler Pulley

DAYCO
89007
3.20 X 1.20 X 3.60 Inches
0.53 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Glass-filled polymers provide strength and cooler running

Less vibration for a longer belt life

Lubricated ball bearings and high-temperature seals assure peak performance

Meets or exceeds OEM (Original Equipment Manufacturer) requirements

Up2Win 756-04129 Idler Pulley For Cub Mower - Idler Pulley Bearing Fit For Cub Cad Lt1050 Lt1045 Ltx1040 Ltx1046 Ltx1045 Ltx1050 Rzt50 Riding Lawn Mower Tractor With 42" 46" 48" 50" 54" Deck

UP2WIN
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Shunqing 9.78

Features

Fit for Cub Cad LT1050 LT1045 LTX1040 LTX1046 LTX1045 LTX1050 RZT50 LT1550 SLT1554 RZT54 GTX1054 GTX2154LE LGT1050 LGT1054 LGTX1050 LGTX1054 CC760 CC760ES i1042 i1050 GT1054 GT2544 GT2550 GT2554 RZT-L50 RZT-L54 RZT-S42 RZT-S46 RZT-S50 RZT-S54 SLTX1550 SLTX1054 LT1040 LTX1042 RZT42 RZT54 RZT-L42 RZT-L46 etc.

Also Fit for Troy-Bilt GT50 GT54 RZT42 RZT50 TB42 TB2142 TB2246 TB2450 Pony Bronco Super Bronco Horse Big Red Horse Range Rider Mustang Mustang XP Colt XP etc.

Work with 42" 46" 48" 50" 54" Deck, Replaces 756-04129 753-08171 756-04129B 756-04129C 956-04129 956-04129C.

Made of high quality steel, this idler pulley is solid built and durable to use.

Easy to install and runs smooth.

Gates 38001 Drivealign Belt Drive Idler/Tensioner Pulley

GATES
38001
0.00 X 0.00 X 0.00 Inches
0.64 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance.Material:steel

Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants

OE-quality fit for virtually every domestic or import vehicle on the road today

Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures

Premium bearings eliminate bearing noise

Idler Pulley Fit For Craftsman Mower - 532173437 Idler Pulley Bearings Fit For Craftsman Lt1000 Lt2000 Lawn Mower Tractor With 42" Deck, Replacement For 532131494 532173438 165888

UP2WIN
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AMEI 9.87

Features

Made of high quality steel, this idler pulley is solid built and durable to use.

Easy to install and runs smooth

Fit for Craftsman LT1000 LT2000 lawn mower tractor with 42" deck, Replacement for part #165888 in Craftsman mower.

Fit for Husq LT16542, LT18452, LTH1342, LTH1542, LTH1742, LTH18542, LTH2042, YTH130, YTH1342XP, YTH1542, YTH1842, YTH1848, YTH18542, YTH2042, YTH2048, YTH2242, YTKH1542XP etc.

Replaces part# AYP 173437 532173437 131494 532131494 173438 532173438.

Belleone 177968 Idler Pulley Fits For Craftsman Hus Qvarna Mower- 193197 Flat Idler Pulley Compatible With Hu Sears Poulan Lawn Tractors With 42" 46" 48" Deck, Replace For Hus Qvarna 532177968

BELLEONE
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LIUCC Store 9.92

Features

【Application】The flat idler pulley is used in conjunction with the belt to transfer power from the engine to the tractor.

【Compatible Models】The idler pulley is compatible with ①Craftsman YS4500, 917203780, 917250220, 917272233, etc. ②HU YTH1542, YTH1848, YTH2148, GTH2248, ③Poulan Pro PB195H42LT, PB20H42YT, ④Weed Eater W14538, WELRVBA30, etc. lawn tractors.

【Replaces OEM Part Numbers】177968, 193197, 532177968, 532193197, Ariens 21546308, Murray 708000, Murray 705061. Please check the original part number and make sure this part fit your model before ordering.

【Easy Installation】Disconnect the spark plug wire before installing the pulley, and use a wrench and socket for easier installation.

【Package Includes & Size】1 flat idler pulley. With height 1-1/2", OD: 3-7/8", ID: 3/8".

#TOP9

Gates 38028 Drivealign Belt Drive Idler/Tensioner Pulley

GATES
38028
0.00 X 0.00 X 0.00 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance

Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants

OE-quality fit for virtually every domestic or import vehicle on the road today

Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures

Premium bearings eliminate bearing noise

Gates 36173 Drivealign Belt Drive Idler/Tensioner Pulley

GATES
36173
0.00 X 0.00 X 0.00 Inches
0.55 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance.Material:steel

Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants

OE-quality fit for virtually every domestic or import vehicle on the road today

Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures

Premium bearings eliminate bearing noise

Houkr Gt2 Aluminum Timing Belt Idler Pulley Bearing 20&60 Teeth Width 6.35Mm Born Synchronous Wheel, With A Perimeter 200Mm Width 6Mm Belt And A M4 Allen Wrench, For 3D Printer.

HOUKR
GT2
4.30 X 5.10 X 0.60 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Houkr 5.48

Features

●Anti-corrosion: Surface oxidation treatment, 30% longer than the traditional life.

●Solid and durable: Made of aluminum alloy, high hardness and high precision.

●Simple structure: Easy to install, easy to assemble and disassemble.

●Best choice: The GT2 timing pulley is perfect for 3d printer.

●Applications: Widely used in milling machine, gear shaper, drilling machine, hobbing machine or other machinery transmission occasions.

Four Seasons 45979 Idler Pulley

FOUR SEASONS
45979
4.00 X 4.00 X 2.00 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Meets or exceeds OE design and performance

Part number: 45979

Package Weight: 0.3 pounds

Package Dimensions: 3.302 H x 10.414 L x 10.414 W (centimeters)

(2-Pack) Exact Replacement 3 1/2” Flat Idler Pulley (Black) - Oem Part Number 194327 & 532-194327 - Compatible With Ariens Craftsman Husqvarna And Poulan

TONGASS
3/8" ID X 3-1/2" OD
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TonGass 9.91

Features

3 1/2” FLAT IDLER PULLEYS - Each pack includes 2 pieces of black flat idler pulleys with an overall outer diameter of 3 1/2 inches, an inner diameter of 3/8 inch, and a height of 1 1/2 inches

OEM-QUALITY EXACT REPLACEMENT FLAT IDLER PULLEY - Manufactured according to OEM specifications with special consideration for quality and durability. Exact replacement for part numbers 280-6630, 194327, and 532-194327

COMPATIBLE WITH ARIENS, CRAFTSMAN, HUSQVARNA, AND POULAN - These flat idler pulleys are interchangeable with select yard tractors and riding mower models, including Poulan C20H42YT, Poulan PB19H42LT, and Poulan PB19H42YT. Consult your model’s user manual for the required pulley part number

MADE OF HEAVY-DUTY BLACK PLASTIC - Lightweight but heavy-duty, these flat idler pulleys are perfect as general-purpose pulleys for lawn mowers and small electric motor power transmission

WITH SEALED BEARINGS - The bearing inner diameter is 0.669 inch. These are radial single-row sealed bearings that come with a 0.669 inch down to 3/8 inch bore adapter.

Dorman 419-5002 Accessory Drive Belt Idler Pulley Compatible With Select Models

DORMAN
419-5002
3.80 X 3.80 X 3.80 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles

Restores performance - fixes a failed, squealing or groaning noise from a worn idler pulley

Application specific - reverse engineered from the original design on certain vehicle years, makes and models

Trustworthy quality - backed by team of engineers and quality specialists in the United States

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Quicksilver 8M6500024 Serpentine Belt Idler Pulley

QUICKSILVER
8M6500024
3.00 X 3.00 X 1.00 Inches
0.23 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MichiganMotorz 5.53

Features

Serpentine belt idler pulley is for select 4.3L, 5.0L, 5.7L, 6.2L & 8.1L MerCruiser stern drive and inboard engines.

This thermal resin pulley is 3" in diameter, flat with no grooves.

The bearing is molded into the thermal resin pulley.

Easy to replace with common shop tools.See your owner's manual for instructions.

When replacing the bushing, check serpentine belt for damage or wear.Replace as necessary.

#TOP16

Rotary 12419 5" X 1"Flat Idler Pulley John Deere Am106627 11/16" Bearing

ROTARY
RXR-12419
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The Shelby Mall 9.62

Features

Flat Idler Pulley

OD: 5”

ID: 11/16”

Height: 1” (belt ride)

Check Description for replacement part numbers and fitment.

Hj Garden 2Pcs 20 Teeth 3Mm Bore Idler Timing Pulley With Bearing 2Gt Aluminium Alloy H Type Gt2 Synchronous Wheel Without Teeth For 6Mm Width Belt 3D Printer Cnc Mechanical Drive

HJ GARDEN
HS6W-20T3M-B2
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

2 PCS Black GT2 20 Teeth H Type Idler Timing Pulley, Fit for 6mm Width Timing Belt

Inner Bore: 3mm,Teeth Width: 6.5mm, Overall Height: 8.5mm, Outer Diameter: 18mm, Type: Smooth without teeth

Made from high quality aluminum alloy, high hardness, anodized surface treatment,effective waterproof and rustproof, corrosion resistant, more beautiful and durable.

Each idler timing pulley has double bearings, to ensure the machine runs well

Widely used in milling machine, gear forming machine, drilling machine, CNC lathe, hobbing machine or other mechanical transmission occasions.

E-Outstanding 2Pcs 20 Teeth 3Mm Bore Idler Timing Pulley With Bearing 2Gt Aluminium Alloy H Type Gt2 Synchronous Wheel For 6Mm Width Belt 3D Printer Cnc Mechanical Drive Silver

E-OUTSTANDING
TBITPBA-2
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
E-outstanding 9.89

Features

Effective waterproof and rust proof, corrosion resistance, more beautiful and durable.

Made of high quality aluminum alloy, high hardness, anodized surface treatment.

Each idler timing pulley has double bearings to ensure the normal operation of the machine.

Widely used in milling machine, gear forming machine, drilling machine, CNC lathe, hobbing machine or other mechanical transmission occasions.

Suitable for timing belt with 6mm width, inner hole: 3mm, tooth width: 6.5mm, total height: 8.5mm, outer diameter: 18mm.

Brgmax 4 X Idler Wheel With Bearing Black 5.63Inch X 20Mm Snowmobile Parts Shocks Suspension Fits For Arctic Cat 1604-837 3604-039 (4)

BRGMAX
541-5031
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Geminiwang 9.70

Features

Replecement Part Number: 541-5031

New fits for Arctic Cat 5.63inch X 20mm Black Idler Wheel With Bearing .

Replaces Part Numbers: 1604-837, 2604-196, 3604-039, 3604-043, 3604-047, 3604-048, 3604-386, 3604-420, 3604-486 3604-681, 3604-807

This New 5.63" O.D. Idler Wheel Comes Complete With 20mm Bearing Ready To Install

If you have any questions, please contact us and we will reply you within 24 hours.

#TOP20

Bqlzr 10X60X25Mm Bearing Steel Aluminum Passive Round Guide Pulley Wheel Rail Roller Load 199Kg For Steel Wire Rope Idler Wheel

BQLZR
M4171229482
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BQLZR(7-20 days delivery,Fast and free shipping,great customer service) 9.80

Features

Made of Aluminum and Bearing Steel.

OD:10mm, ID:60mm, Groove Radius: 10mm, each Load-bearing: 199KG.

Use to make steel wire rope, idler wheel, wheel roller, wire guide wheel, etc.

High sealing performance, high operation performance.

Qnbes 97834-29010 Car Belt Tension Pulley Idler Compatible With Hyundai Accent Elantra Tiburon Tucson, Fit For Kia Soul

QNBES
PDLZ01
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YouVbeen 9.76

Features

Professional Fitment - Car belt tension pulley designed for Hyundai Accent, Elantra, Tiburon, Tucson and for Kia Soul. Direct replacement aftermarket tension pulley can improve belt drive performance.

Perfect Replacement - The idler wheel with bearing replace 97834-29010, 97834-22100, 97834-2D520, VKM65011, 531083210. Please check your vehicle carefully for suitability.

Function Enhance - Adjust the normal tightness of the belt, and reduce the wear of the new belt to ensure safe driving. Prevent the bearing of the tensioner and the idler from jamming and reduce the wear of the belt.

Durable Material - Black classic appearance, durable bearing steel, stable characteristics and high reliability for easy installation and disassembly. As a belt auxiliary accessory, the tensioner can effectively control the belt tightness.

Friendly Service - You can enjoy 2 years customer service and competitive prices. If you have any questions, please feel free contact us and we will help you resolve the issues within 12 hours.

Beck/Arnley 051-3954 Idler Pulley Bearing

BECK/ARNLEY
0513954
3.00 X 0.80 X 3.00 Inches
0.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AutoPlus Auto Parts 9.42

Features

Matches OE form, fit and function

Premium materials able to withstand extreme conditions

Quality construction for durability

Designed for under vehicle environment

Application specific for this vehicle

#TOP23

Transmission Bearing Sealed Bearing Kit, Transmission Bearing Engine Mount Suspension Fit For S500 W222 M276.824 245 7A/Mt 2015‑2017

EVGATSAUTO
EVGATSAUTO0976HGBMND1926
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ganbora 8.46

Features

【Fitment】Engine Transmission Holder, perfectly fit for S500 W222 M276.824 245 7A/MT 2015‑2017 to eliminate the trouble of choice. Built to stringent OE specifications by an OE manufacturer, design to have same form, fit and function as OEM original part.

【You need to replace your car parts】 Worn or broken engine mounts place added strain upon the transmission mount, which can to misalignment of the driveshaft which can cause the transmission mount and/or the universal joints to prematurely fail.

【OEM】OEM reference-used to align and support manual transmissions according to OE specifications. OEM: 2222401218 / A2222401218. Main group: engine suspension. Subgroup: 015: Engine suspension.

【Easy Installation】Transmission Holder is easy to install, no complicated tools required, convenient to use.Original standard, direct replacement for the old or broken engine mount.

【Great Replacement】 Built to meet standard specification, strictly follow factory quality control, great replacement for your old ones which offers better performance.

#TOP24

Genuine Land Rover Tensioner Pulley Lr2 3.2L Oem New Lr006076

LAND ROVER
LR006076OEMX1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Jaguar Land Rover Easton 5.15

Features

TENSIONER PULLEY

LR2 3.2L

original land rover

#TOP25

Bolttech Cst10 Main Bearing Hydraulic Tensioner 21,750 Psi Ram Area 13.68 Sq.in

BEARIN
BOLTTECH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
marine_shop7 3.10

Features

✔ USED - An item in perfect working condition. Instructions are included.

✔ Price: Buyers are free to make an offer using "contact seller" tab on amazon product page. We will proceed/reply if we agree/do not agree the price. If agreed, we will update the price in our listing and we will reply to the buyer so that the buyer can place the order at agreed price.

✔ ORIGINAL IMAGES OF THE ACTUAL PRODUCT ARE UPLOADED, Please refer closely. We accept returns only if the item was not as described in the listing.

✔ Shipping :- CUSTOM DUTY AND CHARGES ARE TO BE PAID BY THE BUYER AT THEIR DESTINATION COUNTRY. PLEASE CHECK WITH YOUR COUNTRY'S CUSTOMS OFFICE TO DETERMINE WHAT THESE ADDITIONAL COSTS WILL BE PRIOR TO BUYING. If your area is not serviceable by our logistic partners, we will refund the money.

✔ We do our best to present accurate, detailed information about every item we sell. If you have any questions, Please contact us before Buying. If you are unhappy for any reason please contact us before leaving the feedback. Your feedback is important to us.

#TOP26

8Pcs Od15Mm Bore 5Mm Gt2 Idler Pulleys With Bearings + 5Meters 2Gt 6Mm Branded Dustproof Timing Belt Kit 20T Pulley Wheel Compatible With Vzbot 3D Printer Cnc Machine Accessories

DODOBEI
VZPULLEYBELT
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DODOBEI 5.15

Features

This belt is from the big brand, 5meters long, truely 6mm width, made of Genuine Rubber, The teeth are treated specially, which can reduce the occurrence of dust on the tooth surface perfectly during initial transmission. belt and pulley meshing effect is better, vibration is low

Toothed 2GT Pulley is with 20Teeth , Bore size: 5mm, Used for 6mm Width GT2 Timing belt. Both pulleys OD size is 15mm.

Pulleys are made of High Quality Aluminum, durable, surface is oxidation treatment . Apply motor-grade bearings to make sure the pulleys working stably, smootly and with longer lifetime.

Compatible withVzBot 3D Printer and other CNC machines

package: 1piece 5meters long GT2 timing belt, 2pieces smooth pulleys and 6piecs toothed pulleys

Top 10 idler bearing pulleys Brands on Amazon

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

Brand Count
Gates 4
E-Outstanding 3
Acdelco 2
Belleone 2
Dayco 2
Hj Garden 2
Quicksilver 2
Up2Win 2
Bearin 1
Beck/Arnley 1

Top 10 idler bearing pulleys Brands Pie Chart


We've carried out a comprehensive analysis of 6,277 reviews on idler bearing pulleys, using our selection criteria to identify the best options in the outdoor power & lawn equipment. Our findings reveal that most customers typically select idler bearing pulleys priced around $61.02, with top brands including nylon pulley, gates, belleone, up2win, mromax, dodobei, dorhea, sumnew and excelfu and jutagoss

Our team of expert editors reviewed these high-quality items and handpicked the top 26 idler bearing pulleys for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the outdoor power & lawn equipment category. These include a & d creative llc, amazon.com, ccuan, amei, liucc store, mromax®, dodobei, sumnewtech and excelfu us and jutagoss us .

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