Parts for your 2004 Honda Accord-Oil pump

2004 Honda Accord oil pump — what it does, and when to replace it

Yes, the 2004 Honda Accord is fitted with an engine oil pump. This is confirmed by the Honda Accord 2003–2007 Factory Service Manual (Helm Inc., Lubrication section), which details the trochoid/gerotor oil pump assemblies for both the 2.4L K-series four-cylinder and the 3.0L J-series V6. The Honda Electronic Parts Catalogue also lists “Oil Pump Assy” for these engines, and independent manuals such as the Haynes Honda Accord 2003–2012 guide cover oil pump diagnosis and removal. So, the oil pump is very much a relevant, factory-fitted component on the 2004 Accord.

The oil pump’s job is straightforward but critical: it pushes pressurised oil through the engine so bearings, camshafts, and timing components stay lubricated and cool. On the 2.4L, the pump is part of a chain-driven balance-shaft module