Best Acdelco Automotive Replacement Main Seals in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Acdelco Automotive Replacement Main Seals

FEL-PRO BS 40640 Rear Main Seal Set
#TOP1
Fel-Pro Bs 40640 Rear Main Seal Set
9.8
PM SCORE
Genuine GM 12639250 Crankshaft Oil Seal Housing, Rear
#TOP2
Genuine Gm 12639250 Crankshaft Oil Seal Housing, Rear
9.8
PM SCORE
Spicer 50491 Axle Shaft Seal
#TOP3
Spicer 50491 Axle Shaft Seal
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 Acdelco Automotive Replacement Main Seals of 2026

Market Overview
Acdelco Automotive Replacement Main Seals Reviewed
  • Reviews Analyzed: 6563 Items
  • PM Avg. Rating: 5.4 / 10
62 Products Evaluated
  • Highest Price: $2,608.74
  • Lowest Price: $1.19
  • Avg. Price: $82.81

Fel-Pro Bs 40640 Rear Main Seal Set

FEL-PRO
BS40640
12.00 X 11.00 X 1.10 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Rear main bearing oil seal installation set

Application specific design to ensure a perfect fit

Meets or exceeds all original equipment specifications

Engineered and manufactured specifically for repair applications

Unsurpassed quality you can trust

Genuine Gm 12639250 Crankshaft Oil Seal Housing, Rear

GM
12639250
12.70 X 12.20 X 3.20 Inches
2.32 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Product Type: Auto Part

Package Quantity: 1

Made In China

Package Dimensions: 31.496Cm (L) X 30.988Cm (W) X 8.128Cm (H)

Spicer 50491 Axle Shaft Seal

SPICER
50491
4.50 X 4.50 X 1.30 Inches
0.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Spicer genuine OE replacement

Genuine Spicer axle shaft seal

Dorman 635-518 Engine Rear Main Seal Cover Compatible With Select Models

DORMAN
635-518
11.40 X 11.10 X 1.50 Inches
2.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Direct replacement - this rear main seal cover kit matches the factory design, and includes a new gasket, installation hardware, and an updated seal design for superior leak prevention

Durable construction - the timing cover in this kit is made of die-cast aluminum for a leak-free fit and durability

Convenient solution - this kit includes a new gasket and installation hardware for a complete repair

Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life

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

Acdelco Gm Original Equipment 24202835 Automatic Transmission Front Axle Shaft Seal

ACDELCO
24202835
2.90 X 2.90 X 0.80 Inches
0.08 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

made in united states

package height :19.2 cm

package length :3.1 cm

package width :17.0 cm

Fit type: Vehicle Specific

Gm Genuine Parts 24232325 Automatic Transmission Rear Output Shaft Seal

GM
24232325
3.60 X 3.60 X 1.60 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability

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

Country of Origin : United States

Honda Genuine 91205-P0X-005 Automatic Transmission Drive Axle Oil Seal

HONDA
91205-P0X-005
3.00 X 3.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
yrmt.japan.mart 5.85

Features

Genuine OEM Part

Country of Origin : China

Package Dimensions: 10.16 L x 0.762 H x 7.62 W (centimeters)

Package Weight: 0.022 pounds

Atp So-19 Automatic Transmission Selector Shaft Seal

ATP AUTOMOTIVE
SO-19
42.00 X 42.00 X 12.00 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Manufactured to meet or exceed original equipment specs

Package Dimensions: 2.794 H x 9.906 L x 9.652 W (centimetres)

Package Weight: 0.2 pounds

Country of Origin : China

Atp Ho-9 Automatic Transmission Extension Housing Seal

ATP
HO-9
4.63 X 4.63 X 2.69 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Manufactured to meet or exceed original equipment specs

Package Dimensions: 2.794 H x 9.144 L x 9.144 W (centimetres)

Package Weight: 0.1 pounds

Country of Origin : China

Timken 4333N Seal

TIMKEN
4333N
3.46 X 3.46 X 1.08 Inches
0.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Prevents seal leakage

Excellent sealing ability

Resists abrasives, corrosive moisture and other harmful contaminants from entering the machines

Offers superior service life

World-class manufacturing standards

#TOP11

635-518 Rear Main Seal Kit 4.8 5.3 6.0 6.2 Replacement For Chevy Gmc 12633579 12639250

LABWORK
635-518
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
labwork-parts 9.79

Features

Part number: 635-518, 126335791, 2639250

Replacement for 2012-2013 Chevy Tahoe and Chevy Suburban 1500, 2013 Chevy Silverado 1500, 2012 Chevy Express 1500, 2014 Chevy Silverado 2500 HD and Chevy Express 2500, 2012 2013 2014 2018 Chevy Express 3500, 2012 2013 2014 2018 Chevy Express 3500, 2012 Chevy Avalanche and Cadillac Escalade ESV

Replacement for 2013 GMC Yukon and Sierra 1500, 2015 GMC Sierra 2500 HD, 2012 2014 2015 GMC Savana 3500

Made of high-quality aluminum, after strict quality inspection and testing, reliable and durable quality, perfect match the original model

The rear main seal cover kit includes a new gasket, installation hardware, and an updated seal design for superior leak prevention

Acdelco Gold 223830 Crankshaft Front Oil Seal

ACDELCO
223830
3.00 X 3.00 X 1.00 Inches
0.04 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

Flange Material: Steel, Sealing Surface Material: Rubber

National 223801 Oil Seal

NATIONAL
223801
2.75 X 0.69 X 2.75 Inches
0.03 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -40°F to 225°F / -40°C to 107°C

Good low temperature capability

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

Mazda M507-17-335A Manual Trans Extension Housing Seal

MAZDA
M507-17-335A
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Genuine Kia Parts 7.97

Features

genuine oem factory part

exact fit

durable

best in quality

this is not an aftermarket part

OEM

Fit Type: Vehicle Specific

Toyota Genuine Oil Seal For Automatic Transmission Extension Housing

TOYOTA
90311-40001
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Fred Haas Toyota World Parts 9.70

Features

1984-2008 4Runner, 1989-1992 Cressida, 2007-2008 FJ Cruiser, 1994-1997 Previa, 2001-2013 Sequoia, 1986-1998 Supra, 1993-1998 T100, 1995-2013 Tacoma, 1984-1995 Pickup Truck, 2000-2013 Tundra

Genuine Toyota Product

A high quality OEM replacement toyota

Oil Seal For Automatic Transmission Extension Housing

Backed by 1 year or 12k warranty which ever comes first

Atp Automotive So-22 Automatic Transmission Extension Housing Seal

ATP AUTOMOTIVE
SO-22
66.00 X 66.00 X 9.00 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AutoPlus Auto Parts 9.40

Features

Manufactured to meet or exceed original equipment specs

Package Dimensions: 2.54 H x 8.89 L x 8.89 W (centimetres)

Package Weight: 0.022 pounds

Country of Origin : China

Fit type: Vehicle Specific

Timken 710540 Automatic Transaxle Output Shaft Seal

TIMKEN
710540
3.63 X 3.63 X 0.88 Inches
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Fit type: Vehicle Specific

Included components: Transaxle Output Shaft Seal

Exterior: ‎Painted

item package weight: 0.11 pounds

National 710112 Oil Seal

NATIONAL
710112
3.25 X 1.13 X 3.25 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Design type: spring loaded; multi-lip

Temperature range: -20°F to 300°F / -29°C to 49°C

Resistance to EP lubricants

Low swell in hydrocarbon fluids

Delivers quality and reliable performance for every type of repair

Material: Polyacrylate

Design type: Spring loaded; multi-lip

Temperature range: Minus 20 degree Fahrenheit to 300 degree Fahrenheit

Compatible with most oils and EP lubricants at higher operating temperatures

High resistance to oxidation and ozone, and has low swell in hydrocarbon fluids

#TOP19

Silscvtt Rear Main Seal Kit 12633579 Replacement For Gmc Envoy Sierra Chevy Camaro Silverado 4.8 5.3 6.0 6.2

SILSCVTT
TR-2383188-839489-SS
11.42 X 11.42 X 1.77 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SRT MOTOR 7.81

Features

Part number: 635518, 635-518, 12633579, 12639250

Replacement for: 2004-2007 Cadillac CTS, 2009-2015 Cadillac CTS, 2002-2013 Chevy Avalanche, 1998-2002 Chevy Camaro, 2010-2015 Chevy Camaro, 1997-2012 Chevy Corvette, 2003-2020 Chevy Express, 1999-2013 Chevy Silverado 1500, 1999-2011 Chevy Silverado 2500, 2001-2019 Chevy Silverado 3500, 2000-2014 Chevy Suburban, 2016-2020 Chevy Suburban, 2000-2014 Chevy Tahoe, 2003-2009 GMC Envoy, 2003-2020 GMC Savana, 1999-2014 GMC Sierra 1500, 1999-2019 GMC Sierra 2500, 2001-2019 GMC Sierra 3500

Specification: Length (in): 10 in, Width (in): 6 in, Inside Diameter (in): 2.7 in, Material: Aluminum

High quality rubber and metal material, good sealing performance, long service life, solve the problem of oil leakage

Check the model, year and part number carefully to ensure compatibility before purchasing

E-Cowlboy 3162992 Front Crankshaft Seal Removal & Installation Tool For Cummins Signature Isx Qsx Replace M20146 3162992

E-COWLBOY
3162992
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bird's wings 9.88

Features

FITMENT -- Fits for Cummins Signature ISX QSX diesel truck engine, do not work on ISX12 or ISX15, for those you will need 4918991(not supplied).

FUNCTION -- This kit allows the seal to be properly positioned on the crank nose to the front cover

SUPERIOR MATERIAL -- Constructed from high standard heavy duty billet aluminum for strength, durability, and longevity; coated with silver oxide finish for resistance to rust and corrosion.

KIT CONTENT -- Direct replacement of the OEM cummins # 3162992. Includes 3162993, 3163056, 3033627, 3896790, and 3279794.

100% SATISFACTORY GUARANTEE -- We are responsible for our product and service. If you're not 100% satisfied with this item, simply return it for a full refund in 30 days. Premium Support & 12 Months’ Warranty.

Timken 3459S Seal

TIMKEN
3459S
2.90 X 2.90 X 0.80 Inches
0.05 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Prevents seal leakage

Excellent sealing ability

Resists abrasives, corrosive moisture and other harmful contaminants from entering the machines

Offers superior service life

World-class manufacturing standards

Fit type: Vehicle Specific

Timken 710630 Automatic Transaxle Output Shaft Seal

TIMKEN
710630
2.63 X 1.59 X 1.69 Inches
0.07 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package dimensions: 7.111 cms L x 7.111 cms W x 1.777 cms H

Package quantity: 1

Product Type: Auto Part

Country of Origin: China

#TOP23

Genuine Subaru Rear Main Oil Seal Replacement For Subaru 806786040

NIKUJUGA
USAHS1088
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WuMin-1 6.07

Features

Fitment: Genuine Subaru replacement for 1990-2017 subaru 806786040.

Fitment: Replacement for Subaru 1990-2012 Legacy, 1992-1997 SVX, 1993-2011 Impreza, 1998-2013 Forester, 2000-2012 Outback, 2002-2014 WRX, 2003-2006 Baja, 2004-2017 WRX STi, 2006-2008 Tribec.

Package included: 1 x Genuine Subaru

Efficient Delivery Service: Arrange delivery from the U.S. within 24 hours, Guaranteed Timeliness, Safe and Convenient.

Reliable Service: All our products are strictly inspected and tested to ensure that our customers receive the highest quality goods.

#TOP24

Aoifjapm Rear Main Seal Fits 2.5L 3.5L Dohc (Rubber/Metal)

AOIFJAPM
MYGA86250-E12527CP320S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Abingoo 0.00

Features

Fitment: Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase!

Note: Please refer to the listing pictures for an accurate description of the parts included in the kit

Package Includes: Rear Main Seal

Part_Number: ATM2110701,E12527CP320S,052-3784,710363,JV1661,JV1676,BS40631,323979,BS23021,2076-257852,RM632

Feature: Unsurpassed quality you can trust

#TOP25

National 301-Ss Ball Bearing

NATIONAL
301SS
2.06 X 2.06 X 0.88 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

BUILT TO LAST -- Advanced heat treatment process for strength

PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for lasting performance and extended bearing life

RELIABLE PERFORMANCE -- Element size and quantity are engineered to meet or exceed the load rating of OE bearings

COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications

RIGOROUS TESTING -- Comprehensive testing throughout design and development processes by National engineers for quality you can count on

#TOP26

Pczoan Rear Main Seal Fits 300 5.7L 6.4L (Rubber/Aluminum)

PCZOAN
YPYA86250-E12518CP324S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
guoyuanyuan123 0.00

Features

Fitment: Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase!

Note: Please refer to the listing pictures for an accurate description of the parts included in the kit

Package Includes: Rear Main Seal

Part_Number: E12518CP324S,JV1681,JV1720,RS30200,BS40684,5140028AA,RM1160,68060342AA,BS40703

Feature: Unsurpassed quality you can trust

#TOP27

Cpwyaxg Rear Main Seal Set Fits 5.3L 6.0L 4.8L Ohv Bs23002 Rm3165 438830 100085 Jv1657 Bs40640 38617 Rs29910 257747

CPWYAXG
XFSA80247-W12069465
13.78 X 11.61 X 0.67 Inches
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CPWYAXG Carparts Online 4.33

Features

Fitment: Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase!

Product Details: Each gasket and gasket set is made to be durable and long-lasting. Withstand high and low temperatures to provide a reliable seal with minimal tightening

Part_Number: JV1657,38617,438830,BS40640,RS29910,100085,BS23002,RM3165,257747

Feature_1: Rear main bearing oil seal installation set

Feature_2: Engineered and manufactured specifically for repair applications

#TOP28

Gxywady 635-518 Rear Main Seal Cover Kit 4.8 5.3 6.0 6.2 Replacement For Gmc 12633579

GXYWADY
DY-9250215-715043-GX
11.41 X 11.41 X 1.77 Inches
2.64 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GXYWADY 6.35

Features

Product Application:Replacement for GMC 12633579

Manufacturer Part Number:635-518

Product Function:The updated sealing design is used for advanced leakage prevention

Product Material:Die-casting aluminum leak free and durable

Note:Please confirm that our products are suitable for your model before placing an order if you have any questions please do not hesitate to contact us

#TOP29

Rwsefk Rear Main Seal Fits 3.7 4.7L Sohc (Rubber)

RWSEFK
WZOA86250-E12524CP330S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ZZHWL 3.10

Features

Fitment: Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase!

Note: Please refer to the listing pictures for an accurate description of the parts included in the kit

Package Includes: Rear Main Seal

Part_Number: 53020788,BS40186,53020788AB,BS23016,JV1659,E12524CP330S,RM1100,67632

Feature: Unsurpassed quality you can trust

Springer Parts 04-3.0-Ccesp Part Number Replaces Springer Parts Part Number 04-3.0-Cce

SPRINGER PARTS
04-3.0-CCESP
12.00 X 12.00 X 12.00 Inches
9.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Springer Pumps, LLC 9.61

Features

Springer Parts cost 20 - 40% less than OEM Parts

Springer Parts use the same materials and adhere to the same specifications as OEM parts

Quality improvements over OEM parts

Top 10 automotive replacement main seals Brands on Amazon

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

Brand Count
Gm 17
Acdelco 6
Fel-Pro 6
Timken 5
National 4
Atp Automotive 2
Pczoan 2
Springer Parts 2
Aftermarket 1
Aoifjapm 1

Top 10 automotive replacement main seals Brands Pie Chart


We've carried out a comprehensive analysis of 6,563 reviews on automotive replacement main seals, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select automotive replacement main seals priced around $82.81, with top brands including dorman, fel-pro and gm and national

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

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