HomeBelts and Cooling > Thermostat and HousingBeck Arnley 143-0946 Engine Coolant Thermostat Housing Assembly
Part #: 143-0946

Beck Arnley 143-0946 Engine Coolant Thermostat Housing Assembly

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ 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, Range Rover, Range Rover Sport, and LR4
🔄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 Housing Assembly

The Beck Arnley 143-0946 Engine Coolant Thermostat Housing Assembly is designed for precise temperature regulation in Land Rover vehicles. This component is engineered to maintain optimal engine temperature, ensuring reliable performance for Land Rover LR4, Range Rover, and Range Rover Sport models.

  • Compatible with Land Rover LR4, Range Rover, and Range Rover Sport
  • Engine coolant thermostat housing assembly with a temperature rating of 203°F
  • Durable construction for long-lasting engine cooling system performance
  • OEM-quality fit and function for direct replacement
  • Part number 143-0946 for accurate identification and fitment

Detailed Product Description

The Beck Arnley 143-0946 thermostat housing assembly plays a critical role in the engine cooling system by housing the thermostat that regulates coolant flow based on engine temperature. With a temperature rating of 203°F, this thermostat housing assembly ensures the engine reaches and maintains the correct operating temperature, preventing overheating or inefficient cooling. Designed specifically for Land Rover LR4, Range Rover, and Range Rover Sport models, this part meets strict quality standards to provide reliable performance and compatibility.

Common Applications and Issues Addressed

  • Prevents engine overheating by regulating coolant flow
  • Replaces cracked or leaking thermostat housing assemblies
  • Resolves erratic engine temperature readings
  • Restores proper thermostat function in cooling system failures
  • Eliminates coolant leaks that can cause engine damage

Installation Notes and Tips

When installing the Beck Arnley 143-0946 thermostat housing assembly, ensure the engine is cool before beginning work. Properly clean the mounting surface to avoid leaks and use a new gasket or sealant as recommended. Verify the thermostat orientation matches factory specifications to maintain accurate temperature control. Torque bolts to manufacturer specifications to prevent damage or leaks.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The 143-0946 thermostat housing assembly undergoes rigorous quality control to provide consistent performance. This part is backed by Beck Arnley's limited warranty, covering defects in materials and workmanship under normal use.

BrandBeck Arnley
Part Number143-0946
Are You Using The Long Form WarningY
TEMPERATURE203

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015Land RoverRange Rover5.0LV8N/ATEMPERATURE 203
2015Land RoverRange Rover Sport5.0LV8N/ATEMPERATURE 203
2014Land RoverLR43.0LV6N/ATEMPERATURE 203
2014Land RoverRange Rover3.0LV6N/ATEMPERATURE 203
2014Land RoverRange Rover5.0LV8N/ATEMPERATURE 203
2014Land RoverRange Rover Sport5.0LV8N/ATEMPERATURE 203
2014Land RoverRange Rover Sport3.0LV6N/ATEMPERATURE 203
2013Land RoverRange Rover5.0LV8N/ATEMPERATURE 203

* 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.