ATP Parts 101371 Exhaust Manifold - Right

OE-Style Right Exhaust Manifold Replacement

Restore exhaust sealing on the right side with ATP Parts exhaust manifold 101371. This replacement is built to match original fit and function, helping route hot exhaust gases away from the engine compartment and reduce the risk of cabin intrusion from a cracked or warped manifold.

Compatible With Chevrolet Express 2500, Express 3500, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban, Tahoe, Avalanche, GMC Savana, Sierra, Yukon, Cadillac Escalade, and Hummer H2 applications listed below.

• OE-style exhaust manifold replacement for the right side
• Helps correct exhaust leaks caused by cracking, warping, or gasket failure
• Designed to restore proper exhaust flow and sealing
• Direct-fit replacement for a wide range of GM trucks, vans, and SUVs
• ATP Parts 101371 for service on listed right-side applications

Detailed Product Overview

ATP Parts 101371 is an exhaust manifold replacement engineered for vehicles where the original manifold has deteriorated from heat cycling and age. By replacing the damaged manifold, you can address exhaust leaks at the cylinder head and return the exhaust system to proper operation. This part cross-references GM service numbers such as 12569416 and 12648339 for the same application.

Fits 2010-2017 Chevrolet Express 2500, right; Fits 2010-2017 Chevrolet Express 3500, right; Fits 2010-2017 GMC Savana 2500, right; Fits 2010-2017 GMC Savana 3500, right; Fits 2010-2016 Chevrolet Silverado 2500 HD, right; Fits 2011-2016 Chevrolet Silverado 3500 HD, right; Fits 2011-2016 GMC Sierra 2500 HD, right; Fits 2011-2016 GMC Sierra 3500 HD, right; Fits 2011-2014 Cadillac Escalade, right; Fits 2010-2014 Cadillac Escalade ESV, right; Fits 2010-2014 Chevrolet Express 1500, right; Fits 2011-2014 Chevrolet Suburban 1500, right; Fits 2011-2014 Chevrolet Tahoe, right; Fits 2010-2014 GMC Savana 1500, right; Fits 2011-2014 GMC Yukon, right; Fits 2011-2014 GMC Yukon XL 1500, right; Fits 2010-2013 Cadillac Escalade EXT, right; Fits 2011-2013 Chevrolet Avalanche, right; Fits 2010-2013 Chevrolet Silverado 1500, right; Fits 2011-2013 Chevrolet Suburban 2500, right; Fits 2011-2013 GMC Sierra 1500, right; Fits 2011-2013 GMC Yukon XL 2500, right.

What This Manifold Helps Fix

• Exhaust leaks at the manifold-to-head sealing surface
• Ticking or puffing noises from a cracked manifold
• Warped manifold flanges that prevent proper sealing
• Hot exhaust gases entering the engine bay
• Loss of exhaust integrity on right-side GM applications

Installation Notes

Verify engine configuration, emissions equipment, and right-side placement before installation. Some listed applications note a ring gasket, and certain 2002-2010 and 2003-2010 vehicles are marked not for legal sale in California; review the fitment notes carefully before ordering. For a proper repair, inspect the mating surfaces, fasteners, and gaskets during service.

Quality Assurance

ATP Parts manufactures this manifold as an OE-style replacement designed to fit and function like the original component. ATP Parts 101371 is built for direct replacement service on the listed Chevrolet, GMC, Cadillac, and Hummer applications.