Parts for your 2023 Mitsubishi Triton-Oil pump

2023 Mitsubishi Triton oil pump — what it does, how to look after it, and when to replace

Technical sources make it clear the 2023 Mitsubishi Triton does use an oil pump. The Mitsubishi Triton/L200 MR Service Manual (Engine Lubrication section), Mitsubishi’s 4N15 MIVEC diesel technical overview, and genuine parts catalogues for the MR Triton all list an internal, crankshaft-driven engine oil pump for the 2.4‑litre 4N15 turbo‑diesel fitted to Australian and New Zealand models. So yes, an oil pump is absolutely fitted and it’s vital to engine health.

In the Triton, the oil pump draws oil from the sump and pressurises it through the galleries to protect and cool the big-end and main bearings, camshafts, timing drive, and the turbocharger. That steady oil flow maintains a protective film between moving parts, carries away heat, and helps sweep contaminants into the filter. Without solid oil pressure, the engine won’t last long — and the turbo will be the first to complain.

The oil pump itself isn’t a scheduled replacement item, but its lifespan depends heavily on basic servicing. Sticking to the right oil spec and intervals keeps the pump, pick‑up, and relief valve happy, especially if the ute tows, idles for long stretches, or sees dusty worksites.

• Follow the owner’s manual oil grade and specification