DNJ
DNJ 1989 Buick LeSabre 3.8L Water Pump
DNJ 1989 Buick LeSabre 3.8L Water Pump
Part number: WP3143_31
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Buick LeSabre 3.8LFitment notes & questions
DNJ 1989 Buick LeSabre 3.8L Water Pump, listed for 1989 Buick LeSabre with the 3.8L engine. On many engines the water pump sits behind the timing belt, so the two are often replaced together.
Quick facts
- Brand: DNJ
- Part type: Water pump
- Listed for: 1989 Buick LeSabre
- Engine: 3.8L
- Engine code: VIN 3 Buick 12V Naturally Aspirated OHV
- Part number: WP3143_31
Listed fitment
- [1984-2002] GM / V6 / 3.3L, 3.8L / 204, 231 OHV 12V [(BUICK)]
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.

Before you order: Buick LeSabre 3.8L water pump fitment
The water pump moves coolant through the engine and radiator so the engine holds a steady temperature.
Fitment notes
- Listed for: Buick LeSabre 3.8L.
- 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? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- 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: Buick Water Pumps · Buick Parts · All Water Pumps · Cooling & heating
Questions about Buick LeSabre 3.8L water pump
Will this fit my Buick LeSabre 3.8L?
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Where do specs and warranty details come from?
Questions & answers
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