DNJ
DNJ 2008 Buick LaCrosse 3.8L Water Pump
DNJ 2008 Buick LaCrosse 3.8L Water Pump
Part number: WP3144_103
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Buick LaCrosse 3.8LFitment notes & questions
2008 Buick LaCrosse 3.8L Water Pump by DNJ for 2008 Buick LaCrosse with the 3.8L engine. Pumps wear at the bearing and seal. A leak from the weep hole or a growling noise usually means it is time.
Quick facts
- Brand: DNJ
- Part type: Water pump
- Listed for: 2008 Buick LaCrosse
- Engine: 3.8L
- Engine code: VIN K 12V OHV
- Part number: WP3144_103
Listed fitment
- [1995-2009] GM / V6 / 3.8L / 231 OHV 12V
Good to know
- Notes: Premium, w/ 1ST DESIGN
- 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.

About this water pump for the Buick LaCrosse 3.8L
On many engines the water pump sits behind the timing belt, so the two are often replaced together.
Fitment notes
- Listed for: Buick LaCrosse 3.8L.
- 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
- 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 LaCrosse 3.8L water pump
Will this fit my Buick LaCrosse 3.8L?
What are signs of a failing water pump?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.