Genuine Land Rover LR121833 Engine Coolant Thermostat Housing Kit 3.0L Diesel

The Genuine Land Rover LR121833 is an OEM engine coolant thermostat housing kit designed specifically for Land Rover 3.0L V6 diesel engines. This is a direct factory-replacement part that maintains precise coolant temperature regulation to protect your engine from overheating and ensure optimal operating efficiency.

This assembly integrates the thermostat and water outlet connection into a single serviceable unit. The thermostat regulates coolant flow between the engine and radiator, opening and closing based on engine temperature to maintain the ideal thermal range. Using a Genuine Land Rover part ensures exact fit, proper sealing, and factory-spec performance with no modifications required.

Kit Includes:

• Thermostat housing assembly (water outlet connection)
• Thermostat
• Gasket

Key Features:

• 100% Genuine Land Rover OEM part — not aftermarket or remanufactured
• Engineered for 3.0L V6 diesel engine applications
• Designed for vehicles equipped with immersion heater (700W) and active transmission warming configurations
• Direct factory fit — no cutting, trimming, or modifications needed
• Ensures accurate coolant temperature control for engine protection and fuel efficiency
• Manufactured to OEM tolerances for leak-free installation

Important: Part number LR121833 is a VIN-related part. Always verify compatibility with your vehicle's VIN before ordering to ensure you receive the correct assembly for your specific build configuration.