HomeBelts and Cooling > Thermostat and HousingBeck Arnley 143-0730 Engine Coolant Thermostat
Part #: 143-0730

Beck Arnley 143-0730 Engine Coolant Thermostat

⚙️ 22 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.44Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Land Rover and Peugeot, Discovery, Defender 90, Range Rover, Defender 110, and 405
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Beck Arnley Engine Coolant Thermostat 143-0730

The Beck Arnley 143-0730 engine coolant thermostat is designed for precise temperature regulation in Land Rover vehicles. Specifically engineered for models like the Defender 90, Defender 110, Discovery, and Range Rover, this thermostat maintains optimal engine performance by opening at 195 degrees Fahrenheit.

  • Engine coolant thermostat with a 195°F temperature rating
  • Compatible with Land Rover Defender 90, Defender 110, Discovery, and Range Rover
  • Thermostat housing not included
  • Beck Arnley part number 143-0730 for accurate identification
  • Ensures proper engine temperature control for efficient operation

Detailed Product Description

The Beck Arnley 143-0730 thermostat is a critical component in the cooling system of select Land Rover vehicles. It regulates coolant flow by opening at 195 degrees Fahrenheit, allowing the engine to reach and maintain its ideal operating temperature. This precise temperature control helps prevent engine overheating and promotes fuel efficiency. Note that the thermostat housing is not included with this part, so it must be sourced separately if needed. The part is engineered to meet OEM specifications, ensuring reliable fitment and function in the Defender 90, Defender 110, Discovery, and Range Rover models.

Common Applications and Issues Addressed

  • Prevents engine overheating by regulating coolant flow
  • Helps avoid poor fuel economy caused by incorrect engine temperature
  • Reduces risk of engine damage due to thermostat failure
  • Resolves issues with inconsistent cabin heating
  • Addresses engine temperature sensor errors related to thermostat malfunction

Installation Notes and Tips

  • Verify compatibility with your Land Rover model before installation
  • Ensure the cooling system is fully drained before removing the old thermostat
  • Replace the thermostat gasket or seal to prevent leaks
  • Check for proper thermostat orientation during installation
  • Refill and bleed the cooling system to remove air pockets after installation

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The 143-0730 engine coolant thermostat undergoes rigorous quality control to ensure consistent operation. Warranty coverage details should be confirmed with the point of purchase or Beck Arnley directly.

BrandBeck Arnley
Part Number143-0730
HOUSINGNOT INCLUDED
TEMPERATURE195

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999Land RoverDiscovery4.0LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1998Land RoverDiscovery4.0LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1997Land RoverDefender 904.0LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1997Land RoverDiscovery4.0LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1996Land RoverDiscovery4.0LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1995Land RoverDefender 903.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1995Land RoverDiscovery3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1995Land RoverRange Rover4.2LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1995Land RoverRange Rover3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1994Land RoverDefender 903.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1994Land RoverDiscovery3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1994Land RoverRange Rover4.2LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1994Land RoverRange Rover3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1993Land RoverDefender 1103.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1993Land RoverRange Rover4.2LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1993Land RoverRange Rover3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1992Land RoverRange Rover3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1991Land RoverRange Rover3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1990Land RoverRange Rover3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1989Land RoverRange Rover3.9LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1988Land RoverRange Rover3.5LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195
1987Land RoverRange Rover3.5LV8N/AORIGINAL EQUIPMENT TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 195

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.