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Water Pump With Gasket STC4378, Original Equipment By Airtex, For Land Rover Discovery I, Discovery Series II, Defender 90 1997, Range Rover P38, And Range Rover Classic 1995

25 reviews 4.9 out of 5 stars

Price: $129.95

  • Item: STC4378OE (Same Fit As Part # STC4378)
  • OEM Part By Airtex
  • In Stock
  • AB Recommended
  • Guaranteed Best Price
Save to My Wishlist

Fits

  • Discovery I | 94 - 99
  • Discovery Series II | 99 - 04
  • Range Rover Classic | 95 | For Vehicles with serpentine belt / Cast Aluminum (not cast steel)
  • Range Rover 4.0 (P38) | 95 - 02
  • Range Rover 4.6 (P38) | 95 - 02
  • Defender 90 | 97

OEM Reference (details)

  • STC4378

Product Details

Not all water pumps are the same and you typically get what you pay for.

What makes this Original Equipment water pump a best bet for your Land Rover Discovery Series II 1999 – 2004, Discovery I 1994 – 1999, Defender 90 1997 or Range Rover 4.0 and 4.6 1995 – 2002?

  • Orginal Equipment means manufactured quality by the genuine manufacturer, just not in a "genuine" box, saving you money!
  • Quality internal bearing and housing (lesser pumps have cheap bearings that can often seize-up much faster over time)
  • A quality OE gasket that is durable and long lasting (compared to other pumps manufactured with non-spec gasket materials that can often degrade and begin to leak in a short period of time)

This new, original equipment (OE) water pump is a direct replacement for Part # STC4378 built by the genuine manufacturer to exact specifications. The OE distinction means this water pump meets the same quality standards of the part used on the assembly line when your Land Rover was made. Accordingly, our OE Land Rover water pumps are made to the exact specification of your Land Rover or Range Rover.

The water pump is a central component of the Land Rover engine cooling system. When your water pump fails or leaks, that’s a sure sign that your belts, hoses, viscous drive and thermostat should be replaced as well (You’ll have to remove them to reach your water pump anyway!). Get it all done at once and you won't have to worry about them for another 60k+ miles.

AB Recommended

Choosing the Best Water Pump:

Recommended: STC4378OE - Water Pump - Original Equipment

This original equipment water pump is the same as genuine - made to the same spec by the genuine manufacturer - it just doesn't come in the "Genuine" box. That means the quality of genuine at a better value price! In addition, this pump includes a higher grade gasket, which means longer performance and lifespan.

Also Available:

Water Pump by ProFlow (A very good alternative and good mix of both quality and value.)

STC4378A - Water Pump (Aftermarket alternative. Best value price but not original equipment or genuine quality, so expected lifespan is less.)

Product Videos

Water Pump Replacement Land Rover Discovery, Range Rover P38, Classic and Defender 90
Water Pump Replacement Land Rover Discovery, Range Rover P38, Classic and Defender 90

The water pump, on Land Rover or Range Rover vehicles with 4.0 / 4.6 Bosch or GEMS engine, has a few moving parts on it that can fail.

Watch Doug, our Land Rover Master Technician, show you how to access and replace the water pump on a 1999-2004 Discovery Series 2.

A common replacement item, water pump part # STC4378OE includes a new gasket.

Please note: This how-to video applies to and is also valid for a 1997 Defender 90, 1995 - 2002 Range Rover 4.0 or 4.6 (P38), 1995 Range Rover Classic, vehicles with 4.0 / 4.6 Bosch or GEMS engine. 

To see all the Land Rover water pumps we carry click here.


Product Reviews

25 reviews 4.9 out of 5 stars

Review this item

Posted 08-28-2023

Verified Purchase

By Thomas Eitel

Would recommend this one, good quality..

Posted 08-10-2023

Verified Purchase

By Keith Wright

Replaced an original water pump on a 2003 D2. This fit well. If you're doing the same, plan to purchase a Dremel tool and lots of burnishing heads. The old gasket material is a beast to get off. This one looks much better.

Posted 10-31-2022

Verified Purchase

By JUAN GARCIA

People friendly, fast delivery, nice packing product and store highly recommended

Posted 05-07-2021

Verified Purchase

By Larry Gill

With prices, service, and shipping as good as AB on this pump, there is no reason to consider a lower quality part from another vendor. Perfect fit and peace of mind to go with it.

Posted 08-16-2020

Verified Purchase

By Kelvin Nodarse

Works wonders on my classic.

Posted 08-05-2020

Verified Purchase

By Geoffrey Jones

Excellent Land Rover Genuine part... Reasonably priced, Promptly shipped, helpful installation video... All good!

Read All 25 Reviews Review this item

Price: $129.95

  • Item: STC4378OE (Same Fit As Part # STC4378)
  • OEM Part By Airtex
  • In Stock
  • AB Recommended
  • Guaranteed Best Price
Save to My Wishlist

Fits

  • Discovery I | 94 - 99
  • Discovery Series II | 99 - 04
  • Range Rover Classic | 95 | For Vehicles with serpentine belt / Cast Aluminum (not cast steel)
  • Range Rover 4.0 (P38) | 95 - 02
  • Range Rover 4.6 (P38) | 95 - 02
  • Defender 90 | 97

OEM Reference (details)

  • STC4378

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What Our Customers Are Saying

EXCELLENT
4.9
2,196
Average
Reviews

My sales rep is very knowledgeable and very pleasant to work with

Roy V.
Middletown, NY

3-27-24

Item was delivered as described, shipped out immediately, I had my parts in 2 days.. Very Much Recommended !!

MR S.
BURR OAK, MI

3-27-24

Great service, awesome attitudes and great responsiveness. Even a little humor.

Mason M.
Farmington, NM

3-27-24

Great service and communication.

Stephen H.
Marietta, GA

3-26-24

customer support is always able to sort through my questions fast

Steven M.
GRAND RAPIDS, MI

3-20-24

Always have the parts I need, usually in stock, and super fast shipping...all at a decent price. Personable, friendly, attentive and super helpful.

Joseph M.
Sackets Harbor, NY

3-14-24

Pricing was excellent and shipping was very fast

David M.
Grosse Pointe Park, MI

3-4-24

Every time I have ordered parts they show up on time, in perfect condition, and they fit no problems. You also have a great help line in case you have questions about the work …

Peter P.
Marysville, WA

3-3-24

I trust that my order will be reviewed and made certain order corresponds to my particular year and model vehicle. Saves a lot of potential headaches.

Norman W.
San Antonio, TX

3-2-24

Website is very clear and intuitive. I can always find what I am looking for in minutes. The checkout procedure is very clear and simple as well.

Jason M.
Carolina Beach, NC

2-28-24

Reviews from our Customers...

  • FAST Shipping! Call these Folks they have all the answers to your part installation.

    -Bill M. (Boydton,VA)

    Great customer service, very knowledgeable staff. Everyone I have worked with are Land Rover owners- which is a big help for knowing the vehicles.

    You always have the parts I need at a great price and everyone Ive ever spoken to has a great knowledge of all Land Rovers

    -Keith B. (Blue Ridge,VA)

    Professionalism. My sales rep is a rock star, and I value both his technical expertise and his knowledge of your product line.

    -Alan R. (N. Chelmsford,MA)

  • FAST Shipping! Call these Folks they have all the answers to your part installation.

    -Bill M. (Boydton,VA)

    Great customer service, very knowledgeable staff. Everyone I have worked with are Land Rover owners- which is a big help for knowing the vehicles.

    You always have the parts I need at a great price and everyone Ive ever spoken to has a great knowledge of all Land Rovers

    -Keith B. (Blue Ridge,VA)

    Professionalism. My sales rep is a rock star, and I value both his technical expertise and his knowledge of your product line.

    -Alan R. (N. Chelmsford,MA)

  • You always have the parts I need at a great price and everyone Ive ever spoken to has a great knowledge of all Land Rovers

    -Keith B. (Blue Ridge,VA)

  • Professionalism. My sales rep is a rock star, and I value both his technical expertise and his knowledge of your product line.

    -Alan R. (N. Chelmsford,MA)

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