Ignitions and Electrical› Ignition Components

Dorman

EXHAUST MANIFOLD KIT

$182.75

SKU: D00I 674-495

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 Dorman 674-495 is a driver side exhaust manifold kit designed as an OE replacement for General Motors 12629337. This manifold is precision-engineered and durably manufactured to match the fit and function of the original part on specified vehicles. It is designed without a heat shield.

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

BrandDorman
Part NumberD00I 674-495

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.

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