DNJ
DNJ 1999 GMC C3500 6.5L Oil Pump
DNJ 1999 GMC C3500 6.5L Oil Pump
Part number: OP3195A_78
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- Free fitment check before you order
Listed for: GMC C3500 6.5LFitment notes & questions
1999 GMC C3500 6.5L Oil Pump by DNJ for 1999 GMC C3500 with the 6.5L engine. Low oil pressure is serious. A worn pump, clogged pickup or worn bearings can all cause it.
Quick facts
- Brand: DNJ
- Part type: Oil pump
- Listed for: 1999 GMC C3500
- Engine: 6.5L
- Engine code: VIN Z 16V Turbocharged OHV DIESEL
- Part number: OP3195A_78
Listed fitment
- [1992-2004] GM / V8 / 6.5L / 395 OHV 16V
Good to know
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Prime the new pump with oil before installation so it picks up quickly on first start.

About this oil pump for the GMC C3500 6.5L
Oil pumps are usually replaced during an engine rebuild or when pressure drops, together with the pickup screen.
Fitment notes
- Listed for: GMC C3500 6.5L.
- Engine: the same car can take different parts for each engine option, so check yours.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Oil pan gasket. The pan usually comes off for this job.
- Oil and filter. Start fresh after the job.
More for your car: GMC Oil Pumps · GMC Parts · All Oil Pumps · Engine
Questions about GMC C3500 6.5L oil pump
Will this fit my GMC C3500 6.5L?
What causes low oil pressure?
Where do specs and warranty details come from?
Questions & answers
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