Genuine OE Spec Oil Pump For GM 2.8L-3.6L V6 – Fits Buick, Cadillac, Acadia (2004-2020) – Direct Replacement 12640448

Alright, if you're working on a GM with the 2.8L or 3.6L V6, you've found the drop-in replacement you need.

This is a brand new oil pump, still sealed in the original packaging, ready to get that oil pressure back where it belongs.

It’s built to OE specs, so it’s just like what the dealership would sell you, but without the markup.

This specific pump is a direct swap for models like the Buick, Cadillac, and Acadia from 2004 up to 2020.

You’re getting the genuine AUTOPROAMERICA part, which cross-references to a ton of numbers including MELLING M353, 12640448, and OP3139.

It sits right on the front of the engine, and yes, it includes all the mounting hardware you need to bolt it on.

It’s a solid, performance-grade piece.

Just a heads-up, California residents should note the Prop 65 warning regarding cancer and reproductive harm.

It comes with a 3-month warranty for your peace of mind.

If your engine’s been running noisy, this should quiet things right down.