DNJ
DNJ 1990 Chevrolet S10 Blazer 4.3L Water Pump
DNJ 1990 Chevrolet S10 Blazer 4.3L Water Pump
Part number: WP3125_167
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Listed for: Chevrolet S10 BlazerFitment notes & questions
DNJ 1990 Chevrolet S10 Blazer 4.3L Water Pump, listed for 1990 Chevrolet S10 Blazer with the 4.3L engine. The water pump moves coolant through the engine and radiator so the engine holds a steady temperature.
Quick facts
- Brand: DNJ
- Part type: Water pump
- Listed for: 1990 Chevrolet S10 Blazer
- Engine: 4.3L
- Engine code: VIN Z 12V OHV
- Part number: WP3125_167
Listed fitment
- [1987-1996] GM / V6, V8 / 4.3L, 5.0L, 5.7L / 262, 305, 350 OHV 12V, 16V [(CHEVROLET, VORTEC)]
Good to know
- Notes: Premium
- 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: Flush the old coolant and refill with the type your engine specifies, then bleed air out of the system.

DNJ water pump for the Chevrolet S10 Blazer: what to know
Pumps wear at the bearing and seal. A leak from the weep hole or a growling noise usually means it is time.
Fitment notes
- Listed for: Chevrolet S10 Blazer.
- 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? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
- Thermostat. Cheap to replace while the system is drained.
- Coolant. Refill with the correct type.
- Timing belt. If the belt drives the pump, do both together.
More for your car: Chevrolet Water Pumps · Chevrolet Parts · All Water Pumps · Cooling & heating
Questions about Chevrolet S10 Blazer water pump
Will this fit my Chevrolet S10 Blazer?
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Where do specs and warranty details come from?
Questions & answers
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