Genuine Holden Air Cleaner Housing GM52046258 – Colorado RG 2.5L & 2.8L Diesel 2012-2020Product Description: The Genuine Holden GM52046258 Air Cleaner Housing is an OEM replacement air filter box designed for Holden Colorado RG models fitted with 2. 5L and 2. 8L Duramax diesel engines. The air cleaner housing forms a critical part of the engine's intake system, securely housing the air filter and ensuring only clean, filtered air reaches the engine. A damaged or cracked airbox can allow dust and contaminants into the engine, potentially