Hi Jen, good score tho I'm not 100% sure but from memory I think that part number is a HQ one. Someone more cleverer than me on here will set you strait. I remember there used to be two VDO numbers, 360-004 for early holdens (up to HQ) and 360-005 for Hj - HZ UC (again memory). You can usually get the VDO ones from most good auto stores (my local Autobarn, Burstons) for about $80.
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Just went and had a look on my cars in the shed ... the oil sender on my HQ GTS has the 7429181 and my HZ Sandman one has part number 9932442. Not sure what the difference is as they both look the same externally. Hope this helps you get the gauge working properly.
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