Exhaust› Headers, Manifolds and Components

ACDelco

Exhaust Manifold, Passenger Side

$187.57

SKU: 12629338

In Stock
In Stock
Ships by Aug 2
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The General Motors 12629338 is a passenger side exhaust manifold, serving as a direct replacement part designed to effectively channel exhaust gases away from your vehicle's engine. As a Genuine GM Part, it meets the same design, engineering, and testing standards as the original components installed during production. This exhaust manifold is specifically engineered for 5.3L and 6.2L engines. It is compatible with various GM models including Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, and GMC Yukon. The fitment spans model years from 2014 to 2020.

MIA's Description

The General Motors 12629338 is a passenger side exhaust manifold designed to help direct exhaust away from your vehicle's engine combustion chamber. This OE part is engineered and tested to rigorous standards.

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

BrandACDelco
Part Number12629338
CategoryExhaust

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