HomeBelts and Cooling > Water Pump and Related ComponentsHotbray STC4378ES Engine Water Pump
Part #: STC4378ES

Hotbray STC4378ES Engine Water Pump

22 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Land Rover, Defender 90, Discovery, and Range Rover
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Engine Water Pump for Land Rover Applications

Hotbray STC4378ES is an engine water pump for select Land Rover Discovery, Range Rover, and Defender 90 models. It is listed with a 4.16 lb weight and is made in GB, making it a direct-fit replacement option for cooling system service on the covered vehicles.

Key Features

  • Engine water pump for Land Rover cooling system repair
  • Part number STC4378ES for easy identification
  • Listed weight: 4.16 lb
  • Made in GB
  • Fits 1994-2004 Land Rover Discovery, N/A
  • Fits 1993-2002 Land Rover Range Rover, N/A
  • Fits 1997 Land Rover Defender 90, N/A

Detailed Description

Hotbray STC4378ES is an engine water pump built for Land Rover Discovery, Range Rover, and Defender 90 applications within the listed model years. Use this part when replacing a worn or leaking pump in the engine cooling circuit. The STC4378ES part number helps confirm the correct replacement for service work on 1994-2004 Land Rover Discovery, 1993-2002 Land Rover Range Rover, and 1997 Land Rover Defender 90 models.

What It Helps Address

  • Coolant leakage from a worn pump housing or seal
  • Overheating caused by reduced coolant circulation
  • Noise from a failing pump bearing
  • Cooling system service on Land Rover Discovery and Range Rover models
  • Replacement of a damaged or aging engine water pump

Installation Notes and Tips

Verify engine application and part number STC4378ES before installation. Inspect the cooling system, hoses, thermostat, and drive components during service so the new pump can operate with clean coolant flow. Confirm fitment against the vehicle listing for your Land Rover Discovery, Range Rover, or Defender 90.

Quality Assurance

Hotbray identifies this water pump as made in GB. Fitment is listed for the specified Land Rover applications, and the part number STC4378ES should be matched to the vehicle before installation.

BrandHotbray
Part NumberSTC4378ES
Weight4.16

This part fits 22 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2004Land RoverDiscoveryS4.6LV8N/AWeight:4.16LB;Made in GB
2003Land RoverDiscoveryS4.6LV8N/AWeight:4.16LB;Made in GB
2002Land RoverDiscoveryBase4.0LV8N/AWeight:4.16LB;Made in GB
2002Land RoverRange RoverHSE4.6LV8N/AWeight:4.16LB;Made in GB
2001Land RoverDiscoveryBase4.0LV8N/AWeight:4.16LB;Made in GB
2001Land RoverRange RoverBase4.6LV8N/AWeight:4.16LB;Made in GB
2000Land RoverDiscoverySeries II4.0LV8N/AWeight:4.16LB;Made in GB
2000Land RoverRange RoverBase4.0LV8N/AWeight:4.16LB;Made in GB
1999Land RoverDiscoverySeries II4.0LV8N/AWeight:4.16LB;Made in GB
1999Land RoverRange RoverS4.0LV8N/AWeight:4.16LB;Made in GB
1998Land RoverDiscoveryLSE4.0LV8N/AWeight:4.16LB;Made in GB
1998Land RoverRange RoverSE4.0LV8N/AWeight:4.16LB;Made in GB
1997Land RoverDefender 90Base4.0LV8N/AWeight:4.16LB;Made in GB
1997Land RoverDiscoverySE4.0LV8N/AWeight:4.16LB;Made in GB
1997Land RoverRange RoverSE4.0LV8N/AWeight:4.16LB;Made in GB
1996Land RoverDiscoverySE4.0LV8N/AWeight:4.16LB;Made in GB
1996Land RoverRange RoverSE4.0LV8N/AWeight:4.16LB;Made in GB
1995Land RoverDiscoveryBase3.9LV8N/AWeight:4.16LB;Made in GB
1995Land RoverRange RoverSE4.0LV8N/AWeight:4.16LB;Made in GB
1994Land RoverDiscoveryBase3.9LV8N/AWeight:4.16LB;Made in GB
1994Land RoverRange RoverCounty3.9LV8N/AWeight:4.16LB;Made in GB
1993Land RoverRange RoverCounty3.9LV8N/AWeight:4.16LB;Made in GB

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.