Parts for your 2004 Honda Civic-Oil pump

2004 Honda Civic oil pump — purpose, service tips, and when to replace

Yes, the 2004 Honda Civic is fitted with an engine oil pump and it’s absolutely relevant to servicing. Technical sources including the Honda Civic 2001–2005 Factory Service Manual (Lubrication System section), the Honda Electronic Parts Catalogue for 2004 Civic engines (D17A and K20A3), and mainstream workshop guides such as the Haynes Repair Manual (Civic 2001–2010) all document the oil pump assembly, its pressure specs, and removal/installation procedures. On D17 A-series engines the pump is a gerotor/trochoid unit mounted at the front of the block and driven by the crankshaft