Engines and Components Oiling Systems

SEALED POWER

EXHAUST MANIFOLD GASKET

$23.27

SKU: S03T FP3937479

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cummins ISC 8.3L, ISL Exhaust Manifold Gasket is a new replacement part designed to address engine overheating and oil discoloration issues. It is manufactured in an ISO 9001:2015 certified facility to ensure quality and consistency.

Crafted with hard-wearing strength and durability, this gasket is built to withstand the rigors of the road. It is guaranteed for fit and function, offering a balance of quality and price.

The gasket is compatible with specific CPL/ESN prefixes, including 2085, 2694, 3664, 3735, 4524, 8389, 8458, 8718, and 8780. It comes with a 2-year parts and labor warranty.

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

BrandSEALED POWER
Part NumberS03T FP3937479

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