2001-2022 Duramax Catalytic Converter To DPF Gasket AcDelco 15126137

The ACDelco / GM 15126137 is the OE exhaust seal ring (exhaust flange gasket) GM lists for 6.6L Duramax diesel trucks built from 01/09/2007 — Silverado / Sierra 2500 HD and 3500 HD and 2007–2016 Express / Savana vans. GM has superseded it to part number 37183442.

Features & Benefits

OE exhaust seal ring / flange gasket, GM P/N 15126137
Superseded by GM 37183442 (same application)
Front position, 6.6L diesel from 01/09/2007 (per GM)
Genuine GM / ACDelco OE part, designed, engineered and tested to GM standards and backed by General Motors

Application

Chevrolet Silverado 2500 HD / 3500 HD and GMC Sierra 2500 HD / 3500 HD with 6.6L Duramax diesel (2007.5–2025)
Chevrolet Express / GMC Savana 2500 / 3500 with 6.6L diesel (2007–2016)

GM notes: 6.6L diesel from 01/09/2007, front position; excludes ambulance.

Always verify fitment by VIN or by matching the GM/ACDelco part number on your original part before ordering.

Cross-Reference / OE Numbers

GM: 15126137
Superseded by GM: 37183442
Also replaced: GM 15767098[...]