The ACDelco / GM 13502353 is the OE radiator surge tank (coolant reservoir) pressure cap. GM has superseded it to GM 13545896, a 20 P.S.I. surge tank cap, used on many GM vehicles including 6.6L Duramax Silverado / Sierra HD trucks.

Features & Benefits

• OE radiator surge tank cap, GM P/N 13502353
• Superseded by GM 13545896 (20 P.S.I. surge tank cap)
• GM notes it is also included with the radiator and reservoir assemblies
• 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 (2007–2014 and 2017–2024 per GM)
• Chevrolet Express / GMC Savana 2500 / 3500 with 6.6L diesel (2010–2022)
• Also listed for many other GM cars, trucks and SUVs

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

Cross-Reference / OE Numbers

• GM: 13502353
• Superseded by GM: 13545896