Parts for your 2020 Holden Colorado-Exhaust gasket

2020 Holden Colorado exhaust gasket — what it is and when it needs attention

Based on the Holden RG Colorado Workshop Manual (Engine Exhaust – 2.8L diesel), the GM Global EPC for MY2020 RG, and ACDelco/GM Genuine Parts catalogue listings, the 2020 Holden Colorado does use exhaust gaskets. These include a multi‑layer steel exhaust manifold gasket between the cylinder head and manifold, sealing hardware at the turbocharger interfaces (turbo to manifold and turbo outlet V‑band with a sealing ring on applicable builds), plus crush gaskets at certain exhaust sensor and EGR cooler joints. So yes—exhaust gaskets are very much part of the Colorado’s exhaust system.

On this 2.8‑litre turbo‑diesel, exhaust gaskets keep hot gases where they belong, protecting nearby components, helping the turbo spool properly, and keeping the DPF, EGT sensors and pressure sensors reading accurately. A healthy seal cuts the tinny tick or hiss that comes with leaks, reduces soot streaks around joints, and helps the ute meet emissions targets without fuss.

Exhaust gaskets aren’t a “replace every X kilometres” item