Shop 2005 Buick Century Gasket. Pressure. valve. Catalytic Converter. EGR pipe. Exhaust Back Regulator. Single, Dual, Cab, Box - OEM Buick Part # 55514599 (55514453)

A component which provides a sealing surface at the Exhaust Pressure Regulator. Gasket for Catalytic Converter System. Part cannot be reused/reinstalled.

Exhaust Back Pressure Regulator GasketCatalytic Converter Gasket

Fits Escalade , Escalade ESV, Sierra 1500, Sierra 1500 Limited, Silverado, Suburban , Tahoe , Yukon, Yukon XL

3.0 LITER DIESEL. DUAL EXHAUST. DUAL EXHAUST, 2020-22. DUAL EXHAUST, 2023-25. SINGLE EXHAUST. SINGLE EXHAUST, 2020-22. SINGLE EXHAUST, 2023-25.