DNJ
DNJ 1988 GMC R2500 5.7L Oil Pump
DNJ 1988 GMC R2500 5.7L Oil Pump
Regular price
$60.99 USD
Regular price
Sale price
$60.99 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: GMC R2500 5.7LFitment notes & questions
1988 GMC R2500 5.7L Oil Pump by DNJ for 1988 GMC R2500 with the 5.7L engine. Oil pumps are usually replaced during an engine rebuild or when pressure drops, together with the pickup screen.
Quick facts
- Brand: DNJ
- Part type: Oil pump
- Listed for: 1988 GMC R2500
- Engine: 5.7L
- Engine code: VIN L Chevrolet 16V OHV
- Part number: OP3104HV_122
Listed fitment
- [1981-2014] GM, ISUZU [w/ High Volume; w/ 3/4 Inlet] / V6, V8 / 4.3L, 5.0L, 5.7L / 262, 265, 305, 350 OHV 12V, 16V [(CHEVROLET, LT1, VORTEC)]
Good to know
- Notes: w/ 3/4 Inlet w/ High Volume
- 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.

DNJ oil pump for the GMC R2500 5.7L: what to know
Low oil pressure is serious. A worn pump, clogged pickup or worn bearings can all cause it.
Fitment notes
- Listed for: GMC R2500 5.7L.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- 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 fitmentWhat else to plan for
- 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 R2500 5.7L oil pump
Will this fit my GMC R2500 5.7L?
It is listed for the GMC R2500 5.7L. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
What causes low oil pressure?
Low oil level, a worn pump, a clogged pickup or worn bearings are the usual causes.
Where do specs and warranty details come from?
From DNJ. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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