DNJ
DNJ 1966 Chevrolet K20 Pickup 5.3L Oil Pump
DNJ 1966 Chevrolet K20 Pickup 5.3L Oil Pump
Part number: OP3125HV_102
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet K20 PickupFitment notes & questions
1966 Chevrolet K20 Pickup 5.3L Oil Pump from DNJ, listed for 1966 Chevrolet K20 with the 5.3L 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: 1966 Chevrolet K20
- Engine: 5.3L
- Engine code: 16V OHV
- Part number: OP3125HV_102
Listed fitment
- [1962-1997] GM [w/ High Volume; w/ 5/8 Inlet] / V6, V8 / 4.3L, 4.6L, 4.9L, 5.0L, 5.3L, 5.7L, 6.6L / 262, 265, 283, 302, 305, 307, 327, 350, 400 OHV 12V, 16V [(CHEVROLET, LT1, VORTEC)]
Good to know
- Notes: High Volume; w/ 5/8 Inlet
- 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.

Before you order: Chevrolet K20 Pickup oil pump fitment
The oil pump pushes oil to the bearings, cam and valvetrain, building the pressure the engine needs to survive.
Fitment notes
- Listed for: Chevrolet K20 Pickup.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- 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? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentPlan the whole job
- Oil pan gasket. The pan usually comes off for this job.
- Oil and filter. Start fresh after the job.
More for your car: Chevrolet Oil Pumps · Chevrolet Parts · All Oil Pumps · Engine
Questions about Chevrolet K20 Pickup oil pump
Will this fit my Chevrolet K20 Pickup?
What causes low oil pressure?
Where do specs and warranty details come from?
Questions & answers
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