Parts for your 2005 Holden Commodore-Oil pump

2005 Holden Commodore oil pump: what it does and when to service or replace it

Based on factory literature and common workshop references—the Holden VZ (2004–2006) Service Manual, GM Service Information for the Alloytec 3.6 V6 (LY7/LE0), and GM LS-series V8 workshop manuals (LS1/L76), plus Australian repair guides such as Ellery’s and Gregory’s—the 2005 Holden Commodore is fitted with an engine oil pump. On the Alloytec V6 it’s an internal, crankshaft-driven gerotor pump integrated with the front cover