The ACDelco / GM 88996645 is the OE transmission fluid cooler inlet hose connector kit (7/8") for 2015–2019 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD with the 6.6L Duramax diesel.

Features & Benefits

• OE transmission fluid cooler inlet line connector kit, 7/8", GM P/N 88996645
• Rear position on 2017–2019 6.6L diesel (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 (2015–2019)

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

Cross-Reference / OE Numbers

• GM: 88996645