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10 Best gasket rear main seals of 2026

Explore top picks

  • 1

    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

    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

    9.8
    Exceptional
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  • 2

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

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

    9.7
    Exceptional

  • 3

    FEL-PRO BS 40640 Engine Crankshaft Seal Kit for Chevrolet Silverado 1500
    Fel-Pro

    FEL-PRO BS 40640 Engine Crankshaft Seal Kit for Chevrolet Silverado 1500

    9.6
    Exceptional

  • 4

    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
    AUTOBABA

    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

    9.4
    Excellent

  • 5

    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
    Armker

    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

    9.3
    Excellent
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  • 6

    WIKIBB Rubber Rear Main Oil Seal Gasket For 1955-1958 Chevrolet GMC 265-283
    WIKIBB

    WIKIBB Rubber Rear Main Oil Seal Gasket For 1955-1958 Chevrolet GMC 265-283

    9.1
    Excellent

  • 7

    Oil Pan Gasket Set & Rear Main Seal Gasket Kit - OS32241 OS30693R 12612350 BS 40640 12639249 89060436 Compatible with GM LS V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Chevy GMC Cadillac Pontiac Saab Isuzu
    DorceDwell

    Oil Pan Gasket Set & Rear Main Seal Gasket Kit - OS32241 OS30693R 12612350 BS 40640 12639249 89060436 Compatible with GM LS V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Chevy GMC Cadillac Pontiac Saab Isuzu

    8.9
    Very Good

  • 8

    FEL-PRO BS 40681 Rear Main Seal Set
    Fel-Pro

    FEL-PRO BS 40681 Rear Main Seal Set

    8.8
    Very Good

  • 9

    LIMICAR Rear Main Seal Oring Gasket Crankshaft BS40640 Compatible with Chevrolet GMC Hummer Pontiac LS LSX LS1 LQ4 LQ9 LS2 LS3 LS7 4.8L 5.3L 5.7L 6.0L
    LIMICAR

    LIMICAR Rear Main Seal Oring Gasket Crankshaft BS40640 Compatible with Chevrolet GMC Hummer Pontiac LS LSX LS1 LQ4 LQ9 LS2 LS3 LS7 4.8L 5.3L 5.7L 6.0L

    8.7
    Very Good

  • 10

    GoaMotors Rear Main Seal Set Oring Gasket Crankshaft Seal Fit for Chevrolet for GMC for Hummer for Pontiac LS LSX LS1 LQ4 LQ9 LS2 LS3 LS7 4.8L 5.3L 5.7L 6.0L, Replace BS40640
    GoaMotors

    GoaMotors Rear Main Seal Set Oring Gasket Crankshaft Seal Fit for Chevrolet for GMC for Hummer for Pontiac LS LSX LS1 LQ4 LQ9 LS2 LS3 LS7 4.8L 5.3L 5.7L 6.0L, Replace BS40640

    8.6
    Very Good