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The Best Automotive Replacement Rear Main Gasket Sets

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Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

A reliable rear main seal set is crucial for preventing oil leaks from the engine's crankshaft. A failing seal can lead to significant oil loss, engine damage, and costly repairs. Ensuring you select a high-quality replacement set will protect your vehicle's performance and longevity.

Looking for the best Automotive Replacement Rear Main Gasket Sets?

Discover now our comparison of the best Automotive Replacement Rear Main Gasket Sets. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Rear Main Gasket Sets are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Rear Main Gasket Sets in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 2
Rear Main Seal Cover Kit with Gasket Compatible with Chevrolet Corvette Camaro Silverado Tahoe GMC Buick...
  • YHTAUTO Affordable and Prime Engine Rear Main Seal Cover Set, Directly Fit
  • Fits Chevrolet Avalanche 2002-2013, Camaro 1998-2002 2010-2015, Caprice 2011-2012, Colorado 2009-2012, Corvette 1997-2012, Express 2003-2020, Impala 2006-2009, LCF 2016-2019, Monte Carlo 2006-2007, Silverado 1999-2019, SSR 2003-2006, Suburban...
  • Fits GMC Canyon, Envoy 2003-2009, Savana 2003-2020, Sierra 1999-2019, Forward 2003-2010, Yukon 2000-2014
  • Fits Buick LaCrosse 2007-2009, Rainier 2004-2007; Cadillac CTS 2004-2015, Escalade 2002-2014; Pontiac G8 2008-2009, Grand Prix 2005-2008, GTO 2004-2006; Saab 9-7x 2005-2009; Isuzu NPR 2003-2016, Workhorse 2004-2012; Hummer H2 2003-2009, Hummer H...
  • Reference Number: 635-518, 12633579, 12639250
No. 3
ORAEVY BS 40640 Rear Main Seal Gasket Set- Compatible with GM LS LS1 LS6 LS2 LS3 LQ9 LQ4 4.8L 5.3L 5.7L 6.0L...
  • 【OE/Interchange Part number】:Replacement for GM 89060436 12639249, Replacement for BS 40640.
  • 【Compatible with the following vehicles 】: Rear Mail Seal Gasket compatible with 4.8L 5.3L 5.7L 6.0L 6.2L GM Vortec engine, including Compatible with Chevrolet Silverado Suburban Tahoe Avalanche Colorado Camaro Express Trailblazer Caprice Impala GMC...
  • 【High quality & durable 】 :Main Seal Gasket Set Meets or exceeds equipment specifications.It is highly durable and less prone to breakage. to provide exceptional service life and reliability. Gasket systems can withstand high pressures, high...
  • 【What You'll get】: 1 Set of Rear Mail Gasket Seal & 1pair free installation gloves and 1 cleaning brush &12 Months Warranty. If you have any problems or concerns, please kindly send us mail any time, we are always here to provide you 100% satisfied...
No. 4
Oil Pan Gasket Set & Rear Main Seal Gasket Kit - OS32241 OS30693R 12612350 BS...
  • All in One Set Design: this package includes one oil pan gasket set OS 30693 R and one LS Rear Main Seal Kit BS 40640 (Real Seal Cover Gasket 12639249 with Crankshaft Seal 89060436)
  • Engine Oil Pan Gasket Set: replacement for OS30693R OS32241 12612350. Compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevy Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon...
  • Rear Main Seal Kit: replacement for GM BS 40640 89060436 12639249. Compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevy Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon...
  • High Quality & Durable: application specific design to ensure a perfect fit, meets all original equipment specifications. Reliable quality you can trust.
  • Professional Service: before purchasing, research to ensure that the part will fit your vehicle; check all vehicle information (year, make, model, engine and trim) for compatibility. your satisfaction is our company's top priority. If there are any...
No. 5
LS Oil Pan & Front Timing Cover & Rear Main Seal Gasket - OS30693R TCS45993 BS40640 - Lower Gasket Set CS5975A...
  • All in One Set Design: this package includes one oil pan gasket OS 30693 R, front timing cover gasket TCS 45993 & one rear main seal gasket set BS 40640; replacement for CS5975A, CS9284, CS5975, C293CS-A, 260-1912, 09-20902
  • Interchange Part Number: Engine Oil Pan Gasket Set - replacement for OS 30693 R OS 32241 12612350; Timing Cover Gasket - replacement for TCS45993, JV5158, JV5022, TCS10448; Rear Main Seal Kit - replacement for GM 89060436 12639249 BS 40640
  • Fit The Following Vehicles: compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevrolet Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Escalade, Buick Rainier with LS1 LS...
  • High Quality & Durable: application specific design to ensure a perfect fit, meets all original equipment specifications. Reliable quality you can trust.
  • Professional Service: before purchasing, research to ensure that the part will fit your vehicle; check all vehicle information (year, make, model, engine and trim) for compatibility. Your satisfaction is our company's top priority. If there are any...
No. 6
J MARTIN AUTO Rope Rear Main Seal Set Compatible with Chevy/GMC 216 235 261 6-Cylinder, Graphite Material...
  • COMPATIBILITY: Designed for 1940-1963 Chevy/GMC vehicles with 216, 235, and 261 six-cylinder engines, ensuring a perfect fit for your classic vehicle
  • QUALITY MATERIAL: Constructed with durable graphite material for superior sealing properties and long-lasting performance
  • USA MANUFACTURING: Proudly manufactured in Illinois, maintaining high quality control standards for automotive components
No. 7
LS Lower Gasket Set CS5975A CS9284 for GM V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Chevrolet GMC - Oil Pan Gasket...
  • All in One Set Design: this package includes one oil pan gasket OS 30693 R, one front timing cover gasket TCS 45993 & one rear main seal gasket set BS 40640 - replacement for CS5975A, CS9284, CS5975, C293CS-A, 260-1912, 09-20902 & one valve cover gasket...
  • Interchange Part Number: Engine Oil Pan Gasket Set - replacement for OS 30693 R OS 32241 12612350; Timing Cover Gasket - replacement for TCS45993, JV5158, JV5022, TCS10448; Rear Main Seal Kit - replacement for GM 89060436 12639249 BS 40640; Valve Cover...
  • Fit The Following Vehicles: compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevrolet Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Escalade, Buick Rainier with LS1 LS...
  • High Quality & Durable: application specific design to ensure a perfect fit, meets all original equipment specifications. Reliable quality you can trust.
  • Professional Service: before purchasing, research to ensure that the part will fit your vehicle; check all vehicle information (year, make, model, engine and trim) for compatibility. Your satisfaction is our company's top priority. If there are any...
No. 8
Engine Gasket Kit W/Silicone Rear Main Seal, Compatible with/Replacement For VW 1300-1600cc Engine, Bug/Beetle
  • Includes a High-Quality Engine Gasket Set Compatible with 1300-1600cc Air Cooled Engines
  • We Throw In A Long-Lasting Red Silcone Rear Main Seal (Flyweel Seal)
  • Compatible with All Air Cooled Engines 1300-1600cc
No. 9
Rear Main Seal Gasket for Ford for F-150, 1991-2017 for Avanti for Ford
  • Compatible With: 1991-2017 for Avanti Avanti, for Ford Crown Victoria, for Ford E-150, for Ford E-150 Club Wagon, for Ford E-150 Econoline, for Ford E-150 Econoline Club Wagon, for Ford E-250
  • Superior Seal: This gasket is specifically engineered and manufactured for repairs, featuring precise embossed sealing beads at all vital areas. It is designed to fit accurately on ports and effectively seal surfaces
  • Strong and Durable: The Cylinder Head Gasket Set systems are designed to withstand extreme conditions and provide a reliable seal with minimal tightening. We use only premium quality materials of gasket such as rubber, graphite, and steel to meet the...
  • Enjoy OEM-quality: Our parts meet or exceed the OE strict quality management standards. Whether you need to replace a gasket set in your daily driver or boost the performance of your engine with a rebuild, we offer top-quality head gaskets and seals to...
  • Package List: Rear Main Seal Gasket. Please refer to the image to confirm the components you may receive, we always check every package before shipment, please message us for a solution if there are missing parts after you receive the package
No. 10
FEL-PRO BS 40651 Rear Main Seal Set
  • FEL-PRO BS 40651 Engine Crankshaft Seal Kit for Dodge Ram 1500
  • COMPATIBILITY – Fits 1975-1980 Chrysler Cordoba; 1978-1979 Chrysler LeBaron; 1977-1980 Chrysler New Yorker; 1971-1980 Chrysler Newport; 1971-1974 Chrysler Newport; 1978-1979 Chrysler Town & Country; 1971-1973 Dodge Polara; 1971-1972 Dodge Polara...
  • GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Unsurpassed quality you can trust
  • 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

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Last update on 2026-04-16 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Automotive Replacement Rear Main Gasket Sets

Material Quality

  • Look for sets made from durable materials like high-grade rubber or silicone. These materials offer better resistance to heat, oil, and wear, ensuring a longer lifespan and a more effective seal.
  • Avoid materials that are known to degrade quickly or become brittle over time, as this will lead to premature failure.

Vehicle Compatibility

  • Always verify that the rear main seal set is specifically designed for your vehicle's make, model, and year. Using an incompatible part can result in poor fitment and ineffective sealing.
  • Check the product description carefully for compatibility information, including engine type and specific part numbers.
  • Some sets include additional components like wear sleeves or installation tools, which can be beneficial depending on the condition of your crankshaft.

Frequently Asked Questions

What are the signs of a failing rear main seal?
Common indicators include oil leaks originating from the rear of the engine, often visible on the transmission bellhousing. You might also notice a burning oil smell due to oil dripping onto hot exhaust components.
Can I replace the rear main seal myself?
Replacing a rear main seal is a complex job that typically requires removing the transmission and flywheel. It demands specialized tools and mechanical expertise, so it's often best left to experienced mechanics.
How long does a rear main seal typically last?
The lifespan of a rear main seal can vary depending on driving conditions, oil quality, and material. However, they are generally designed to last for the life of the vehicle, often exceeding 100,000 miles.
Are there different types of rear main seals?
Yes, the most common types are one-piece and two-piece seals. One-piece seals are integrated into a single unit, while two-piece seals consist of two halves that fit around the crankshaft. Compatibility with your specific engine is key.