Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice BH-Motor 
BH-Motor New Rear Main Seal Oring Gasket Set for Chevrolet GMC Hummer Pontiac LS LSX LS1 LQ4 LQ9 LS2 LS3 LS7 4.8L 5.3L 5 BH-Motor New Rear Main Seal Oring Gasket Set For Chevrolet GMC Hummer Pontiac LS LSX LS1 LQ4 LQ9 LS2 LS3 LS7 4.8L 5.3L 5Fel-Pro 
Fel-Pro BS 40640 Rear Main Seal Set Rear main bearing oil seal installation setKikumi 
Kikumi BS40640 Engine Crankshaft Seal Kit for Avanti II 5.7L 2003-2004, Engineered Replacement with Rear Main Seal Block Vehicle Fitment: Engineered for precise fitment, replacement for Avanti II 5.7L 2003-2004, replacement for CTS 5.7L 2004Fel-Pro 
Fel-Pro BS 40620 Rear Engine Main Seal Set Rear main bearing oil seal installation setBest Value Fel-Pro 
Fel-Pro BS 40430 Rear Engine Main Seal Set COMPATIBILITY – Fits 1996-1997 Isuzu Oasis; 1998-1998 Isuzu Oasis; 1999-1999 Isuzu Oasis; 1997-2000 Acura EL; 2001-2005X AUTOHAUX 
X AUTOHAUX Timing Cover Rear Main Engine Seal Gaskets Set for GMC 4.8L 5.3L 2000-2007 BS40640 Metal Fitment: for GMC 4.8L 5.3L 2000-2007, for Chevrolet Silverado 3500 2001-2006, for Chevrolet Silverado 2500 1999-2004, foASTOU 
ASTOU BS40620,BS40644 Engine Cylinder Rear Main Seal Gasket Replacement for Avanti for Avanti Base 4.6L Convertible 2006 [Part Numbers] -- BS40620,BS40644,JV1635Luocute Luocute Timing Cover Gasket Set, Rear Main Seal Cover Kit With Gasket Anti Leakage 635-518 Replace for V8 4.8L 5.3L 6.0L Fitment: Replace for Rainier V8 5.3L 2004-07; Replace for CTS-V 2009-12 2004-07; Replace for EXT 2002-12; Replace for 20GoaMotors GoaMotors Rear Main Seal Set Oring Gasket Crankshaft Seal Fit for Chevrolet for GMC for Hummer for Pontiac LS LSX LS1 LQ Replace Part Number: BS40640.Fel-Pro FEL-PRO BS 40613 Rear Main Seal Set FEL-PRO BS 40613 Engine Crankshaft Seal Kit for Buick RegalORAEVY 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 6.2L Chevy 【OE/Interchange Part number】:Replacement for GM 89060436 12639249, Replacement for BS 40640.HiSport HiSport Rear Main Seal Gasket Set - Compatible with LS LS1 LS6 LS2 LS3 LQ9 LQ4 4.8L 5.3L 5.7L 6.0L 6.2L Chevy Silverado 【Applicability】Compatible with Chevrolet GMC Hummer and Pontiac models featuring LS, LSX, LS1, LQ4, LQ9, LS2, LS3, LS7 ePROFOCON Oil Pan Gasket Rear Main Gasket Set,Fits for GM LS-based V8 Engine,12612350 OS30693R BS40640 12639249 89060436 OS32241,C Oil Pan Gasket & Rear Main Gasket Set Fits for LS-based V8 Engines. Before purchasing, please enter all vehicle informatGOIPKO Rear Main Seal Block Cover Gasket Set Fit for Chevy GMC 4.8 5.3 6.0L LS2 LS3 Replace BS40640 ✨Compatibility:for Chevy GMC 4.8 5.3 6.0L LS2 LS3.KEYALL Rear Main Seal Gasket 1997-2015 for Audi for Volkswagen Compatible With -- 1997-2015 for Audi A4, for Audi A4 Quattro, for Audi TT, for Audi TT Quattro, for Volkswagen Beetle,20% Off Fel-Pro FEL-PRO MS 97204 Engine Intake Manifold Gasket Set for Jeep Grand Cherokee COMPATIBILITY – Fits 2013-2020 Ram 1500; 2012-2015 Ram C/V; 2014-2020 Ram ProMaster 1500; 2014-2020 Ram ProMaster 2500;X AUTOHAUX X AUTOHAUX Head Intake Exhaust Valve Cover Engine Gasket Set for Chevy 327 350 Small Block Fit for 1957-1979 small block for Chevy 283 307 327 350 383 V8 engines with a 2 piece rear main seal and left hand oil p15% Off Tisuff Auztto Full Engine Valve Gasket Set | Replaces OEM 794152, 690190 & 794114 | Compatible with Briggs & Stratton Models (3 Premium Quality & Exact Fit: Manufactured from high-grade materials .This gasket set is a precise and engineered for durFuchooky Engine Oil Leak Repair Kit Rear Main Seal Cover Gasket Set 14 Pc 635 518 Compatible with V8 4.8L 5.3L 6.0L 6.2L [PRECISE FITMENT] REPLACEMENT FOR A VARIETY OF V8 VEHICLES INCLUDING RAINIER, CTS-V, EXT, CAMARO, EXPRESS, AND MORE.PWS Autoparts Rear Main Seal & Plate Gasket Set for Holden Commodore VS VT VU VX VY for Toyota Lexcen V6 3.8L1995-2004 This rear main seal & plate gasket is specifically designed for Holden Commodore VS, VT, VU, VX, VY series (1995-2004) 3YIDEZU 5.3 5.7 6.0 LS1 LS2 LS3 LM7 LQ4 Oil Pan Gasket OS30693R 12612350 Silverado 2500 with Rear Main Seal Set BS 40640 OE part number: Rear Main Seal Set BS 40640, oil pan gasket: 12612350 OS30693RJBROPARTS BS40640 Rear Main Seal Kit for Chevy Silverado 1500 1997-2016 GM LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L - Replacement Crank OE/OEM Part Number:BS40640, 100085, JV1657, 38617, RM3165, BS23002, 438830, 257747, S5671, RS29910, 17401, 12550574, 125Fel-Pro Rear Main Seal Set Application specific design to ensure a perfect fitZohisin Rear Main Cover Kit With Gasket And Bolts For V8 4 8L 5 3L 6 0L 6 2L Engine Oil Leaks And Ensure Performance Replacement Fit For Multiple Vehicles: This rear main cover kit is specifically designed to replace parts for a wide of vehicles incFel-Pro Fel-Pro BS40748 Rear Main Seal Set Application specific design to ensure a perfect fitDorceDwell Oil Pan Gasket Set for GM LS V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L - LS Gasket, Gen III Valley Cover Gasket, Front Timing C All in One Set Design: OE number CS5975A CS9284, this package includes 1x Oil Pan Gasket Set OS30693R, 1x Gen III ValleyFel-Pro Fel-Pro 2900 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro FEL-PRO BS 40186 Rear Main Seal Set FEL-PRO BS 40186 Engine Crankshaft Seal Kit for Dodge Ram 1500MAHLE Original MAHLE Original JV1697 Engine Main Bearing Gasket Set All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products avFel-Pro Fel-Pro BS 40096-1 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40644 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro FEL-PRO BS 40651 Rear Main Seal Set FEL-PRO BS 40651 Engine Crankshaft Seal Kit for Dodge Ram 1500Fel-Pro FEL-PRO BS 30136 Rear Main Seal Set FEL-PRO BS 30136 Engine Crankshaft Seal Kit for Ford MustangDTQKSM (12pcs) 6pcs Transmission Fluid&6pcs Rear Differential Oil Drain Plug Washer Gasket Seal -20mm+18mm,OEM PN Part# 94109-2 【CERTIFIED OEM】Our oil drain plug washers are certified OEM parts, specifically 90471-PX4-000 & 94109-20000. Available iDiyeeni Diyeeni Rear Main Seal Gasket, Rear Main Seal Kit Die Cast Aluminum 12639250 Robust Exceptional Durability for Vehicle Fitment: Replacement for Rainier V8 5.3L 2004-07; Replacement for CTS-V 2009-12 2004-07; Replacement for EXT 2002-12; ReFel-Pro Fel-Pro BS 40684 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40509 Rear Engine Main Seal Set Rear main bearing oil seal installation setMAHLE Original MAHLE Original JV559 Engine Main Bearing Gasket Set All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products avMAHLE Original MAHLE Original JV1720 Engine Main Bearing Gasket Set All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products avFel-Pro FEL-PRO BS 40729 Rear Main Seal Set FEL-PRO BS 40729 Engine Crankshaft Seal Kit for Ford F-150Fel-Pro Fel-Pro BS 40444 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS40742 Rear Main Seal Set Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul workFel-Pro Fel-Pro BS 40387 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40622 Rear Engine Main Seal Set Rear main bearing oil seal installation setB Baosity 500pcs Back Gasket Washers Set Sizes 31mm-40mm Inner Gasket Diameter : 31mm,32mm,33mm,34mm,35mm,36mm,37mm,38mm,39mm,40mm (Each Size 50 Pieces)DorceDwell LS Rear Main Seal Set - BS 40640 12639249 89060436 Kit for GM LS LS1 LS6 LS2 LS3 LQ9 LQ4 V8 Engine 4.8L 5.3L 5.7L 6.0L 6 Rear Main Seal Kit: replacement for GM 89060436 12639249 BS 40640.Itonash Itonash Rear Main Seal Kit, OEM Replacement with Gasket and Bolts for V8 4.8L 5.3L 6.0L 6.2L Engine, Anti-Leak Design Fi Fitment: Replacement for Rainier V8 5.3L 2004-07; Replacement for CTS-V 2009-12 2004-07; Replacement for ext 2002-12; ReFel-Pro Fel-Pro BS 40562 Rear Main Seal Set Rear main bearing oil seal installation setWIKIBB WIKIBB Rubber Rear Main Oil Seal Gasket For 1955-1958 Chevrolet GMC 265-283 【Compatibility】Rear Main Oil Seal Gasket for For 1955 - 1958 Chevrolet GMC 265, 283 Rubber Rear Main Seal Gasket 3711XFel-Pro Fel-Pro BS 40665 Rear Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS40764 Rear Main Seal Set Application specific design to ensure a perfect fitAKLOSIPY AKLOSIPY Rear Main Seal Cover Kit Engine Crankshaft with Gasket Anti Leakage for V8 4.8L 5.3L 6.0L 6.2L Replacement 635- [Compatibility] This rear main seal cover kit is designed to fit a wide range of vehicles including rainier v8 5.3l (200Fel-Pro Fel-Pro 2912 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40732 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40681 Rear Engine Main Seal Set Rear main bearing oil seal installation setDepisuta Depisuta Rear Block Cover, Rear Main Seal Cover Kit with Gasket, Anti Leakage Replacement for V8 4.8L 5.3L 6.0L 6.2L, OE [Upgraded Sealing Design] Designed to match oem specifications, the kit includes a new gasket, installation hardware, anFel-Pro FEL-PRO BS 40094 Rear Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40648 Rear Engine Main Seal Set Rear main bearing oil seal installation setmotoparty Motoparty Rear Main Seal Set for Chevrolet GMC 1956-1963 235/261 CID Engines Premium Rubber Best Gasket Replacement Part High Quality: This Rear Main Seal Kit is made of high grade rubber for excellent heat, oil and pressure resistance.Fel-Pro Fel-Pro BS 40629 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS40757 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro Fel-Pro BS40735 Rear Main Seal Set FEL-PRO BS 40735 Engine Crankshaft Seal Kit for Ram 1500Fel-Pro FEL-PRO 73064 Rear Main Seal Set FEL-PRO 73064 Engine Crankshaft Seal Retainer Gasket for Volkswagen PassatMAHLE Original MAHLE Original JV532 Engine Main Bearing Gasket Set All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products avFel-Pro FEL-PRO BS 40727 Rear Main Seal Set Rear main bearing oil seal installation setFel-Pro FEL-PRO 2908 Rear Main Seal Set Rear main bearing oil seal installation setFel-Pro FEL-PRO BS 40738 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro Fel-Pro 2942 RS Rear Engine Main Seal Set Offers the best in fluid and high-temperature compatibility and contact sealing surfaceFel-Pro Fel-Pro 2903 Rear Engine Main Seal Set Meets or exceeds all original equipment specificationsFel-Pro Fel-Pro BS 40734 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40752 Rear Main Seal Set Application specific design to ensure a perfect fitGSKMOTOR Rubber Black 1 Piece Oil Pan Gasket 1-Piece Rear Main Fits for 1986-99 Small Block Chevy 350 Engine 🔧This small block Chevy 1 piece reusable silicone oil pan gasket.Fel-Pro Fel-Pro BS 40697 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Rear Main Seal Set FEL-PRO BS 40747 Engine Crankshaft Seal Kit for Ford EscapeFel-Pro Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro FEL-PRO BS 40751 Rear Main Seal Set FEL-PRO BS 40751 Engine Crankshaft Seal Kit for Toyota Land CruiserFel-Pro Rear Main Seal Set Fel-Pro Fel-Pro BS 40677 Rear Engine Main Seal Set Rear main bearing oil seal installation setSumyola Sumyola Rear Main Seal Gasket Cover & Bolts GM Chevy LS Engine 635-518 12633579 12639250 Replaces Part number: 635-518, 12633579, 12639250Fel-Pro FEL-PRO BS 40591 Rear Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40190 Rear Main Seal Set Rear main bearing oil seal installation setFel-Pro FEL-PRO BS 40743 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro Fel-Pro BS 40730 Rear Engine Main Seal Set Rear main bearing oil seal installation setFel-Pro Fel-Pro BS 40754 Rear Main Seal Set Application specific design to ensure a perfect fitMAHLE Original MAHLE Original JV1661 Engine Main Bearing Gasket Set All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products avFel-Pro Fel-Pro BS 40753 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro FEL-PRO BS 30135 Rear Main Seal Set FEL-PRO BS 30135 Engine Crankshaft Seal Kit for Ford MustangSUSUCAR Rear Main Seal Cover Kit w/Gasket Bolts for Chevy Silverado GMC Yukon 4.8 5.3 6.0 6.2L 12633579 12639250 Replacement part for Chevy Avalanche 1500, Camaro, Caprice, Colorado, Corvette, Express 1500/2500/3500, Impala, Monte CaMAHLE Original MAHLE Original JV1645 Engine Main Bearing Gasket Set All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products avFel-Pro FEL-PRO BS 40731 Rear Main Seal Set Rear main bearing oil seal installation setGeneric O-Riing Gasket Kit - Rubber Gasket Seals | Rubber O-Rinng Washer Gaskeets Seal Assortment Kit | Rubbeer Washers Seaals A Leak-Proof Sealing: Mades from long lasting rubber material, this o rings kit ensures leak-proof sealing and resists weaFel-Pro Fel-Pro BS 40749 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro FEL-PRO BS 40756 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro FEL-PRO BS 40712-1 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro Fel-Pro BS 40755 Rear Main Seal Set Application specific design to ensure a perfect fitFel-Pro FEL-PRO 2949 Rear Main Seal Set Meets or exceeds all original equipment specificationsFel-Pro Fel-Pro BS 40692 Rear Engine Main Seal Set Rear main bearing oil seal installation set