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Add to CartSierra replacement one piece rear main seal for Mercruiser, Volvo Penta, and OMC Stern Drives.
Fits: 7.4L/8.2L/454/502 Std. Rotation
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
One Piece Rear Main Seal for Mercruiser, OMC, Volvo - Special Order est. 10 Days Replaces: Crusader 7070400 Mallory 9-61621 Mercury 26-14240 OMC 3852657, 0509394...
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Sierra 18-0864 One Piece Rear Main Seal Sierra One Piece Rear Main Seal for use on Mercruiser Stern Drives. For 224I/L4 Interchangeable with: Mallory 9-61623 Mercruiser Stern...
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Sierra 18-1211 Rear Main Seal Replaces MerCruiser 26-814622 Sierra two piece rear main seal for Most GM Based Marine Engines. Application Info: Fits 120/2.5L (s/n 2786857 & up), 140/3.0L &...
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Sierra 18-8307 Lower Main Seal Sierra replacement lower main seal. O.D.: 1.628" Shaft Size: 1.110" Width: 0.448" Interchangeable with: GLM 86790 Johnson/Evinrude...
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