Best Rear Main Seals

Looking for the best rear main seals for your vehicle?
Our guide highlights top-tested options that ensure durability, easy installation, and perfect compatibility to save you time and money.

Finding the right rear main seal for your vehicle can be tricky. Our guide simplifies the process, ensuring you get the perfect fit every time.

We’ve tested and reviewed the best rear main seals on the market. Each product is chosen for its durability, ease of installation, and compatibility with popular models.

Whether you’re fixing a leak or upgrading your engine, our guide has you covered. Discover top-rated options that save time and money. Read on to find the ideal seal for your vehicle!

List of Top 10 Rear Main Seals

Title	Best For	Price
Dorman 635-518 Engine Rear Main Seal Cover Compatible with Select Models	This Dorman 635-518 Engine Rear Main Seal Cover is perfect for car owners who need a reliable, leak-free repair. It’s ideal for those with compatible vehicles looking for a durable, direct replacement that includes everything needed for installation.	View on Amazon (paid link)
A-Premium Engine Rear Main Seal Cover Kit [OHV, 8Cyl 4.8 5.3 5.7 6.0 6.2 7.0L] Compatible with Chevy, GMC, Cadillac, Hummer, Isuzu, Pontiac, Saab & Buick, fits Express, Silverado, Sierra & More Models	This A-Premium Engine Rear Main Seal Cover Kit is perfect for anyone with a Chevy, GMC, Cadillac, Hummer, Isuzu, Pontiac, Saab, or Buick vehicle. It’s easy to install and fits many models, so you can fix your car quickly and get back on the road.	View on Amazon (paid link)
LS Rear Main Seal Cover & Gasket Bolts For 1997-2013 LS Based 4.8 5.3 5.7 6.0 6.2L V8 Engines LS1 LQ4 LQ9 LM7 LS2 LS3 LS7 LC9 LS6 Replace# 12639250 12633579 635-518	This product is perfect for car owners and mechanics who need a reliable and durable solution to prevent oil leaks in their LS-based engines. It’s ideal for those looking for an easy-to-install and high-quality replacement part.	View on Amazon (paid link)
DNJ RM145A Rear Main Seal for 2007-2011 Chrysler, Dodge, Jeep, Volkswagen Grand Caravan, Routan, Town & Country 3.3L-3.8L V6 12V OHV 3778cc	This DNJ RM145A Rear Main Seal is perfect for car owners who need a reliable replacement part for their 2007-2011 Chrysler, Dodge, Jeep, or Volkswagen vehicles. It’s ideal for those with 3.3L-3.8L V6 engines looking for a trusted brand and a 1-year warranty.	View on Amazon (paid link)
Engine Rear Main Seal Cover Kit with Gasket & Bolt Compatible with Cadillac Escalade, GMC Yukon Sierra, Chevy Suburban Silverado Tahoe Express 4.8 5.3 6.0 6.2L Replace# 635-518 12633579 12639250	This Engine Rear Main Seal Cover Kit is perfect for anyone with a Chevy, GMC, Cadillac, Buick, Hummer, Isuzu, Pontiac, or Saab vehicle. It’s easy to install and built to last, so you can keep your car running smoothly.	View on Amazon (paid link)
LOBIUTIYA 635-518 Rear Main Seal Kit with Oil Pan Gasket, 12612350 Oil Pan Gaskets for Chevy Silverado Suburban Tahoe Trailblazer GMC Sierra Yukon 4.8L 5.3L 6.0L 6.2L, 12637683	This LOBIUTIYA 635-518 Rear Main Seal Kit is perfect for GM vehicle owners who need a reliable, leak-free engine seal. It’s ideal for DIY repairs or professional mechanics working on Chevy, GMC, Cadillac, or Buick models with 4.8L–6.2L V8 engines.	View on Amazon (paid link)
KAFKOF Rear Main Seal Gasket Kit Compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevy Silverado Tahoe Suburban GMC Sierra Yukon Savana, Cadillac Escalade. Engine Crankshaft Seal Kit Replace BS40640 12639249	This KAFKOF Rear Main Seal Gasket Kit is perfect for anyone with a Chevy, GMC, Cadillac, or other compatible vehicle needing a reliable engine seal replacement. It’s ideal for those who want to save on maintenance costs and keep their vehicle running smoothly.	View on Amazon (paid link)
DNJ RM632 Rear Main Seal For 95-16 Nissan, Infiniti 2.5L-3.5L V6 DOHC Naturally Aspirated designation VQ35DE,VQ25HR,VQ30DE	This DNJ RM632 Rear Main Seal is perfect for car owners with Nissan or Infiniti vehicles from 1995 to 2016. It fits 2.5L to 3.5L V6 engines with VQ35DE, VQ25HR, or VQ30DE designations.	View on Amazon (paid link)
RADHLBNIU Rear Main Seal Kit Compatible with Chevy Tahoe Suburban Silverado Express Avalanche Cadillac Escalade GMC Yukon Sierra Savana 4.8L 5.3L 6.0L 6.2L Replaces# 635-518 12633579 12639250	This RADHLBNIU Rear Main Seal Kit is perfect for vehicle owners who need a reliable and durable solution for their Chevy, Cadillac, or GMC models. It’s ideal for those looking to replace worn-out parts and ensure a leak-free fit with high-quality materials.	View on Amazon (paid link)
FEL-PRO BS 40592 Rear Main Seal Set	The FEL-PRO BS 40592 Rear Main Seal Set is perfect for Ford owners who need a reliable replacement part. It’s designed to fit specific Ford models, ensuring a perfect match for your vehicle.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Rear Main Seals handpicked for quality, durability, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your vehicle. Whether you need leak-free performance or affordable reliability, this guide has you covered. Dive in to find the perfect seal that meets your needs and keeps your engine running smoothly.

1. Dorman 635-518 Engine Rear Main Seal Cover Compatible with Select Models

The Dorman 635-518 Engine Rear Main Seal Cover is a direct replacement for select models. It matches the factory design and includes everything needed for a complete repair.

This kit features a durable aluminum timing cover, a new gasket, and updated seal design. It’s quality tested for a leak-free fit and long service life.

Pros	Cons
Direct replacement matches factory design for perfect fit. Durable aluminum ensures leak-free performance and longevity. Complete kit includes gasket and hardware for easy repair. Quality tested for reliable, long-lasting service.	Not universal – only fits select models, check compatibility before buying. No installation guide – you’ll need DIY skills or a mechanic. Aluminum material – may dent or crack under heavy impact.

Perfect For:

This Dorman 635-518 Engine Rear Main Seal Cover is perfect for car owners who need a reliable, leak-free repair. It’s ideal for those with compatible vehicles looking for a durable, direct replacement that includes everything needed for installation.

Ready to Purchase?

View Price on Amazon (paid link)

2. A-Premium Engine Rear Main Seal Cover Kit [OHV, 8Cyl 4.8 5.3 5.7 6.0 6.2 7.0L] Compatible with Chevy, GMC, Cadillac, Hummer, Isuzu, Pontiac, Saab & Buick, fits Express, Silverado, Sierra & More Models

A-Premium Engine Rear Main Seal Cover Kit [OHV, 8Cyl 4.8 5.3 5.7 6.0 6.2 7.0L] Compatible with Chevy, GMC, Cadillac, Hummer, Isuzu, Pontiac, Saab & Buick, fits Express, Silverado, Sierra & More Models

This A-Premium Engine Rear Main Seal Cover Kit fits Chevy, GMC, Cadillac, and more. It works with over 50 vehicle models, including trucks, vans, and SUVs.

It suits Chevy Silverado, Suburban, and Express vans. GMC Sierra, Savana, and Yukon models are also covered. Hummer H2/H3, Isuzu NPR, and others are included.

The kit has a 2.7-inch diameter and matches OEM numbers. Its size is 10 inches long and 6 inches wide. A-Premium backs it with a one-year unlimited-mileage guarantee.

Pros	Cons
Fits many models, ensuring wide compatibility for your vehicle. Durable design with one-year guarantee for peace of mind. Precise fit with exact specifications for easy installation. Trusted brand offering reliable performance and quality parts.	Limited to specific vehicle models and years. No installation tools or instructions included. One-year warranty may not cover long-term use.

Perfect For:

This A-Premium Engine Rear Main Seal Cover Kit is perfect for anyone with a Chevy, GMC, Cadillac, Hummer, Isuzu, Pontiac, Saab, or Buick vehicle. It’s easy to install and fits many models, so you can fix your car quickly and get back on the road.

Ready to Purchase?

View Price on Amazon (paid link)

3. LS Rear Main Seal Cover & Gasket Bolts For 1997-2013 LS Based 4.8 5.3 5.7 6.0 6.2L V8 Engines LS1 LQ4 LQ9 LM7 LS2 LS3 LS7 LC9 LS6 Replace# 12639250 12633579 635-518

LS Rear Main Seal Cover & Gasket Bolts For 1997-2013 LS Based 4.8 5.3 5.7 6.0 6.2L V8 Engines LS1 LQ4 LQ9 LM7 LS2 LS3 LS7 LC9 LS6 Replace# 12639250 12633579 635-518

This Rear Main Seal Cover fits LS engines from 1997-2013, including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L models. It works with Chevy, GMC, and Cadillac vehicles like Silverado, Tahoe, and Escalade.

Precision-crafted cast aluminum resists heat and wear to stop oil leaks. The kit includes a gasket and 12 bolts for a secure, leak-proof seal. Easy installation matches factory specs for a perfect fit.

ARMKER ensures quality parts for engine rebuilds. All pieces are durable and reliable for long-term use. Contact them for help with any questions.

Pros	Cons
Fits many LS engines, 1997-2013, Chevy, GMC, Cadillac. Stops oil leaks with durable, heat-resistant aluminum cover. Complete kit includes gasket and bolts for easy install. Meets OE specs, ensures perfect fit, hassle-free setup. ARMKER support offers reliable, satisfactory answers for all questions.	No tools included, so you’ll need your own for installation. Limited compatibility with non-LS engines, check before buying. Aluminum material may dent under heavy impact.

Perfect For:

This product is perfect for car owners and mechanics who need a reliable and durable solution to prevent oil leaks in their LS-based engines. It’s ideal for those looking for an easy-to-install and high-quality replacement part.

Ready to Purchase?

View Price on Amazon (paid link)

4. DNJ RM145A Rear Main Seal for 2007-2011 Chrysler, Dodge, Jeep, Volkswagen Grand Caravan, Routan, Town & Country 3.3L-3.8L V6 12V OHV 3778cc

The DNJ RM145A Rear Main Seal is brand new and ready to install. It fits 2007-2011 Chrysler, Dodge, Jeep, and Volkswagen models with 3.3L-3.8L V6 engines. This seal works for Grand Caravan, Routan, Town & Country, and Wrangler vehicles.

DNJ Engine Components offers a 1-year or 12,000-mile warranty for peace of mind. With 30+ years of trusted quality, DNJ is a reliable choice for engine parts.

Pros	Cons
Brand-new DNJ® Rear Main Seal for reliable performance. Fits 07-11 Chrysler, Dodge, Jeep, Volkswagen models perfectly. 1-year warranty or 12,000 miles for peace of mind. Trusted DNJ® quality with 30+ years of expertise.	Limited vehicle compatibility: Only fits specific 2007-2011 models. No installation tools included: Requires separate purchase. Warranty restrictions: Only covers 1 year or 12,000 miles.

Perfect For:

This DNJ RM145A Rear Main Seal is perfect for car owners who need a reliable replacement part for their 2007-2011 Chrysler, Dodge, Jeep, or Volkswagen vehicles. It’s ideal for those with 3.3L-3.8L V6 engines looking for a trusted brand and a 1-year warranty.

Ready to Purchase?

View Price on Amazon (paid link)

5. Engine Rear Main Seal Cover Kit with Gasket & Bolt Compatible with Cadillac Escalade, GMC Yukon Sierra, Chevy Suburban Silverado Tahoe Express 4.8 5.3 6.0 6.2L Replace# 635-518 12633579 12639250

Engine Rear Main Seal Cover Kit with Gasket & Bolt Compatible with Cadillac Escalade, GMC Yukon Sierra, Chevy Suburban Silverado Tahoe Express 4.8 5.3 6.0 6.2L Replace# 635-518 12633579 12639250

This Engine Rear Main Seal Cover Kit fits many Chevy, GMC, and other vehicles. It works with Silverado, Suburban, Tahoe, Yukon, and more. Check your model year to ensure it matches your car.

The kit includes a gasket and bolt for easy installation. Made of high-quality aluminum, it resists rust and lasts long. Designed to OEM specifications, it ensures a precise fit.

Perfect Fit for engines with 4.8L, 5.3L, 6.0L, 6.2L engines. Always confirm your part number matches 635-518, 12633579, or 12639250 before buying.

Pros	Cons
Fits many GM vehicles, saving you time and money. High-quality aluminum ensures long-lasting durability. OEM specifications guarantee a perfect fit every time. Corrosion-resistant design keeps your engine protected.	No installation tools included, so you’ll need to buy them separately. Limited warranty information provided, which may be a concern. Not compatible with all vehicle models, so check carefully before buying.

Perfect For:

This Engine Rear Main Seal Cover Kit is perfect for anyone with a Chevy, GMC, Cadillac, Buick, Hummer, Isuzu, Pontiac, or Saab vehicle. It’s easy to install and built to last, so you can keep your car running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

6. LOBIUTIYA 635-518 Rear Main Seal Kit with Oil Pan Gasket, 12612350 Oil Pan Gaskets for Chevy Silverado Suburban Tahoe Trailblazer GMC Sierra Yukon 4.8L 5.3L 6.0L 6.2L, 12637683

LOBIUTIYA 635-518 Rear Main Seal Kit with Oil Pan Gasket, 12612350 Oil Pan Gaskets for Chevy Silverado Suburban Tahoe Trailblazer GMC Sierra Yukon 4.8L 5.3L 6.0L 6.2L, 12637683

The LOBIUTIYA 635-518 Rear Main Seal Kit offers an exact fit for GM V8 engines. It ensures a leak-free seal like the original parts.

This kit works with Chevy Silverado, Tahoe, GMC Sierra, Yukon, and more. It fits 4.8L–6.2L engines from 1999–2020. OEM-grade parts match factory quality.

The set includes all needed gaskets, seals, gloves, and tools. Pre-cut pieces make setup quick. Durable materials resist heat and oil for long use.

Pros	Cons
Exact fit for GM engines, no leaks guaranteed. Complete kit with tools for easy installation. Durable materials resist heat and oil for long life. Wide compatibility with Chevy, GMC, and Cadillac models. 12-month warranty ensures peace of mind.	Not for non-GM vehicles, limiting compatibility. Requires basic mechanical skills for installation. No instructions included, DIYers may struggle.

Perfect For:

This LOBIUTIYA 635-518 Rear Main Seal Kit is perfect for GM vehicle owners who need a reliable, leak-free engine seal. It’s ideal for DIY repairs or professional mechanics working on Chevy, GMC, Cadillac, or Buick models with 4.8L–6.2L V8 engines.

Ready to Purchase?

View Price on Amazon (paid link)

7. KAFKOF Rear Main Seal Gasket Kit Compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevy Silverado Tahoe Suburban GMC Sierra Yukon Savana, Cadillac Escalade. Engine Crankshaft Seal Kit Replace BS40640 12639249

KAFKOF Rear Main Seal Gasket Kit Compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevy Silverado Tahoe Suburban GMC Sierra Yukon Savana, Cadillac Escalade. Engine Crankshaft Seal Kit Replace BS40640 12639249

KAFKOF Rear Main Seal Gasket Kit is a reliable replacement for your vehicle’s engine. It fits Chevy, GMC, Cadillac, and more. This kit works with 4.8L to 6.2L engines.

The high-quality seal handles heat, vibration, and movement. It helps reduce maintenance costs and keeps your engine running smoothly.

If you have questions or issues, contact customer service through Amazon Message. They will resolve your problem quickly.

Pros	Cons
Fits many Chevy, GMC, Cadillac models – wide compatibility. Replaces multiple part numbers – easy to match your vehicle. High-quality materials – handles heat, vibration, and movement. Reduces maintenance costs – saves time and money. Reliable customer service – quick support through Amazon Message.	Multiple part numbers may cause confusion during ordering. Compatibility verification required for older vehicle models. Material durability not explicitly confirmed for extreme conditions.

Perfect For:

This KAFKOF Rear Main Seal Gasket Kit is perfect for anyone with a Chevy, GMC, Cadillac, or other compatible vehicle needing a reliable engine seal replacement. It’s ideal for those who want to save on maintenance costs and keep their vehicle running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

8. DNJ RM632 Rear Main Seal For 95-16 Nissan, Infiniti 2.5L-3.5L V6 DOHC Naturally Aspirated designation VQ35DE,VQ25HR,VQ30DE

Keep your engine running smoothly with the DNJ RM632 Rear Main Seal. This brand-new part is designed for specific Nissan and Infiniti models.

It fits 95-16 Nissan, Infiniti 2.5L-3.5L V6 DOHC engines. The seal works with VQ35DE, VQ25HR, and VQ30DE designations. It includes a retainer for easy installation.

DNJ Engine Components is a trusted provider of engine parts. With 30+ years of experience, they offer quality and reliability. This seal is a smart choice for your vehicle’s maintenance.

Pros	Cons
Brand new DNJ seal ensures reliable performance. Perfect fit for 1995-2016 Nissan/Infiniti V6 engines. Includes retainer for easy installation. Trusted 30+ year brand with proven quality. Prevents oil leaks, protecting engine longevity.	Limited to specific Nissan, Infiniti models only. Requires retainer, adding extra installation steps. No warranty details provided upfront.

Perfect For:

This DNJ RM632 Rear Main Seal is perfect for car owners with Nissan or Infiniti vehicles from 1995 to 2016. It fits 2.5L to 3.5L V6 engines with VQ35DE, VQ25HR, or VQ30DE designations.

Ready to Purchase?

View Price on Amazon (paid link)

9. RADHLBNIU Rear Main Seal Kit Compatible with Chevy Tahoe Suburban Silverado Express Avalanche Cadillac Escalade GMC Yukon Sierra Savana 4.8L 5.3L 6.0L 6.2L Replaces# 635-518 12633579 12639250

RADHLBNIU Rear Main Seal Kit Compatible with Chevy Tahoe Suburban Silverado Express Avalanche Cadillac Escalade GMC Yukon Sierra Savana 4.8L 5.3L 6.0L 6.2L Replaces# 635-518 12633579 12639250

The RADHLBNIU Rear Main Seal Kit is compatible with popular Chevy, GMC, and Cadillac models. It fits vehicles like the Tahoe, Suburban, Silverado, and Yukon with 4.8L to 6.2L engines.

This kit replaces part numbers 635-518, 12633579, and 12639250. It includes a new gasket, hardware, and updated seal design.

Made of die-cast aluminum, it ensures a leak-free fit and long-lasting durability. Each kit undergoes rigorous testing to meet high-quality standards.

Pros	Cons
Wide vehicle compatibility for Chevy, GMC, Cadillac models Durable die-cast aluminum resists leaks and wear Includes gasket, hardware, updated seal for full installation Matches OEM part numbers for easy replacement Rigorously tested for reliability and performance standards	Limited vehicle compatibility – Not for all models. Installation may require professional help – Not DIY-friendly. No long-term durability guarantee – Quality varies.

Perfect For:

This RADHLBNIU Rear Main Seal Kit is perfect for vehicle owners who need a reliable and durable solution for their Chevy, Cadillac, or GMC models. It’s ideal for those looking to replace worn-out parts and ensure a leak-free fit with high-quality materials.

Ready to Purchase?

View Price on Amazon (paid link)

10. FEL-PRO BS 40592 Rear Main Seal Set

The FEL-PRO BS 40592 Rear Main Seal Set is a reliable engine crankshaft seal kit. It’s designed for specific Ford models, ensuring a perfect fit. This kit meets or exceeds original equipment standards, so you can trust its quality.

Before buying, check compatibility with your vehicle. It fits Ford F-150, Bronco, and more, but verify your year, make, and model to ensure it’s the right part for you.

Pros	Cons
Perfect fit for Ford F-150 and other models. Meets or exceeds original equipment specs. Trusted quality for long-lasting performance. Easy compatibility check before buying.	Limited compatibility with specific Ford models only. No installation tools or instructions included. Requires research to ensure correct fit for your vehicle.

Perfect For:

The FEL-PRO BS 40592 Rear Main Seal Set is perfect for Ford owners who need a reliable replacement part. It’s designed to fit specific Ford models, ensuring a perfect match for your vehicle.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Finding the right rear main seal is easy with our guide. We’ll help you pick the perfect fit for your vehicle.

Factors to Consider When Buying Rear Main Seals:
– Compatibility: Check if the seal fits your vehicle’s make, model, and engine size. Always match the part number for accuracy.
– Material Quality: Look for durable materials like aluminum or high-grade rubber. They resist heat, oil, and wear for longer life.
– Ease of Installation: Choose kits with pre-cut pieces and included hardware. This saves time and ensures a leak-free fit.
– Warranty: Opt for products with a warranty for peace of mind. It shows the manufacturer’s confidence in their product.
– Brand Reputation: Pick trusted brands with a history of quality. They often offer better reliability and customer support.
– Price vs. Value: Compare prices, but don’t sacrifice quality. A good seal saves money on future repairs.
– Kit Inclusions: Some kits include gaskets, bolts, and tools. These extras make installation smoother and more complete.

With these tips, you’ll find the best rear main seal for your vehicle. Drive with confidence and avoid leaks!