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10 bestAutomotive Replacement Main Sealsof December 2025

112M consumers helped this year.

5% off

1

Fel-Pro BS 40187 Rear Engine Main Seal Set, regular
Fel-Pro BS 40187 Rear Engine Main Seal Set, regular

Fel-Pro

10.0

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2

6.6L Main Crankshaft Seal Driver Kit, Front and Rear Crank Seal Installer Kit Replacement for 2001-2016 GM 6.6L Duramax Diesel Engines, LB7 LLY LBZ LMM LML
6.6L Main Crankshaft Seal Driver Kit, Front and Rear Crank Seal Installer Kit Replacement for 2001-2016 GM 6.6L Duramax Diesel Engines, LB7 LLY LBZ LMM LML

MDEOOSKY

10.0

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3

303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer
303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer

E-cowlboy

9.9

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4

Dorman 635-518 Rear Main Seal Cover Ready To Paint If Needed
Dorman 635-518 Rear Main Seal Cover Ready To Paint If Needed

Dorman

9.9

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5

Fel-Pro BS 40725 Rear Engine Main Seal Set, Assorted, One Size
Fel-Pro BS 40725 Rear Engine Main Seal Set, Assorted, One Size

Fel-Pro

9.7

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Crankshaft Front Main Seal Installer Tool,Front Main Crankshaft Seal Driver Installer Replacement for 6.6 6.6L 2001‑2016

Crankshaft Front Main Seal Installer Tool,Front Main Crankshaft Seal Driver Installer Replacement for 6.6 6.6L 2001‑2016

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Fel-Pro Performance BS40013 Rear Engine Main Seal Set, Assorted, One Size

Fel-Pro Performance BS40013 Rear Engine Main Seal Set, Assorted, One Size

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MOTOALL 3802820 Front Main Crankshaft Oil Seal and Wear Sleeve for Cummins 5.9L 1989-2016 for Ram 2500 D250 3500 D350 W350

MOTOALL 3802820 Front Main Crankshaft Oil Seal and Wear Sleeve for Cummins 5.9L 1989-2016 for Ram 2500 D250 3500 D350 W350

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Foemint 303-328 2.0L 2.3L 2.5L Crankshaft Rear Main Oil Seal Installer compatible with OTC 6895 for Ford,Lincoln and Mercury

Foemint 303-328 2.0L 2.3L 2.5L Crankshaft Rear Main Oil Seal Installer compatible with OTC 6895 for Ford,Lincoln and Mercury

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6

Fel-Pro BS40183 BS 40183 BS40183 Bearing Set, regular
Fel-Pro BS40183 BS 40183 BS40183 Bearing Set, regular

Fel-Pro

9.5

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7

Ford Racing M-6701-B302 Rear Main Seal for 5.0L Engine
Ford Racing M-6701-B302 Rear Main Seal for 5.0L Engine

Ford

9.2

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8

marddpair Rear Main Seal Kit 635-518 Replacement for Chevy Silverado Camaro GMC Savana Firebird 4.8L 5.3L 6.0L
marddpair Rear Main Seal Kit 635-518 Replacement for Chevy Silverado Camaro GMC Savana Firebird 4.8L 5.3L 6.0L

marddpair

9.0

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8% off

9

Fel-Pro Performance BS 40520 Rear Engine Main Seal Set, regular, One Size
Fel-Pro Performance BS 40520 Rear Engine Main Seal Set, regular, One Size

Fel-Pro

8.7

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10

Fel-Pro BS40612 Bearing Set, regular
Fel-Pro BS40612 Bearing Set, regular

Fel-Pro

8.5

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