The ACDelco / GM 6882757 (06882757) is the OE automatic transmission case vent assembly, listed by GM for Chevrolet Silverado and GMC Sierra HD trucks including 6.6L Duramax models.

Features & Benefits

• OE automatic transmission vent assembly, GM P/N 06882757
• Supersedes GM 29542837
• Genuine GM / ACDelco OE part, designed, engineered and tested to GM standards and backed by General Motors

Application

• Chevrolet Silverado / GMC Sierra HD, incl. 6.6L Duramax diesel (GM lists 2001–2012 and 2017–2019)
• Also listed for 2002–2005 Avalanche 2500, Suburban / Yukon XL 2500, Escalade EXT and select other GM vehicles

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

Cross-Reference / OE Numbers

• GM: 06882757 / 6882757
• Replaces GM: 29542837