DNJ
DNJ 2001 Mercury Cougar 2.5L Water Pump
DNJ 2001 Mercury Cougar 2.5L Water Pump
Part number: WP4011_20
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- Tracking emailed when it ships
- Free fitment check before you order
Water Pump from DNJ, listed for the 2001 Mercury Cougar with the 2.5L engine. Pumps wear at the bearing and seal. A leak from the weep hole or a growling noise usually means it is time. Part number: WP4011_20.
Key features
- Made for Duratec 24V DOHC engines
- Listed for V6 2.5L, 3.0L 152, 155, 181, 183 DOHC 24V engines
Specifications
- Brand: DNJ
- Part type: Water pump
- Part number: WP4011_20
- Engine: 2.5L
- Engine code: Duratec 24V DOHC
Fitment for the 2001 Mercury Cougar
- Years: 1995–2008
- Vehicles: Ford, Jaguar, Mazda
- Cylinders: V6
- Displacement: 2.5L, 3.0L
- Engine: 152, 155, 181, 183 DOHC 24V
- Engine codes: AJ27, DURATEC
Check your year, model, engine and trim against this list before you order.
What it does
The water pump moves coolant through the engine and radiator so the engine holds a steady temperature. A healthy cooling system keeps the engine at its working temperature; most cooling parts are replaced because of leaks, corrosion or a failed bearing or seal.
Installation & tips
- Flush the old coolant and refill with the type your engine specifies, then bleed air out of the system.
- Thermostat: Cheap to replace while the system is drained.
- Coolant: Refill with the correct type.
- Put the new part next to the old one and compare the shape, mounting points and connections before you install it.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
What is the part number of this water pump?
WP4011_20 (DNJ). Compare it with the number on your old part or in your parts catalog.
Which engine is it for?
It is listed for the 2.5L Duratec 24V DOHC engine in the 2001 Mercury Cougar. Check the engine code on your vehicle if it was offered with more than one engine.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
Before you order
- Confirm your year, make, model, engine and trim match the fitment listed above (2001 Mercury Cougar 2.5L).
- Compare part number WP4011_20 with your original part.
Good to know
- Warranty: 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.
About this water pump
On many engines the water pump sits behind the timing belt, so the two are often replaced together.
Fitment notes
- 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: Mercury Water Pumps · All Water Pumps · Cooling & heating
Questions about water pump
Will this fit my car?
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.