Sale

Oils, Fluids and Sealer Oils, Fluids and Additives

PETERSON FLUID

Rear Split Seal- BBC Crankshaft

$101.75 $94.26 Save $7.49

SKU: P02O SM86665

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item

Description

The Peterson Fluid SM86665 is a 2-piece rear main seal designed for Big Block Chevy engines. This plastic seal features a natural finish and includes an O-ring.

It is compatible with Peterson Pumps, Breather Cans, and fixtures.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandPETERSON FLUID
Part NumberP02O SM86665

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy