Cooling & Heating
Defender Cooling & Heating Parts
Keep your Land Rover Defender engine at the correct temperature and the cabin comfortable with cooling, intercooling and heating parts for 90, 110 and 130 models.
What you will find in this category
Radiators & Cooling
Radiators, expansion tanks, caps, thermostats, water pumps and coolant fittings.
Hoses & Pipework
Coolant hoses, heater hoses, silicone hose kits and associated clips and connectors.
Fans & Intercoolers
Viscous fan parts, electric fan kits, intercoolers and selected performance upgrades.
Cabin Heating
Heater matrices, blower components, controls and fittings for repairing poor cabin heat.
Match the cooling layout to the engine
Cooling parts differ considerably between early engines, Tdi, Td5 and TDCi Puma models. Check the engine type, hose layout, dimensions and individual fitment information before ordering.
Quality choices for every repair
Choose from direct replacement, OEM and Genuine Land Rover options, plus products from Britpart, Proflow, Revotec, Allisport and other cooling specialists.
Looking for more Defender information?
Visit our Land Rover Defender information guide for model history, engine details, body styles, technical information and useful parts-identification guidance. Explore the Land Rover Defender information guide.
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Thermostat for Defender & Discovery 1 300TDi
(14)
Direct Replacement
£5.99 Inc. VAT£4.99 Ex. VATA replacement standard 88c engine coolant thermostat. Comes complete with sealing rubber gasket. A quality replacement part, equivalent to Land Rover part number: ERR3291Suitable for the following models: Land Rover: Defender, 300TDi, 1994-1998 Land...ERR3291£5.99 Inc. VAT£4.99 Ex. VAT -
Thermostat & Radiator Brass Bleed Screw Plug for Defender Tdi
(17)
Direct Replacement
£4.99 Inc. VAT£4.16 Ex. VATA replacement brass bleed plug that fits the thermostat housing and radiator bleed screw hole, much tougher than the original black plastic plug. Comes complete with new rubber O-ring. It can also be used to replace the plastic filler level plugs on the...ERR4686B£4.99 Inc. VAT£4.16 Ex. VAT -
Top Coolant Hose Bleed Screw Blue Aluminium for Defender Td5
(6)
Direct Replacement
£5.49 Inc. VAT£4.57 Ex. VATA smart blue anodised aluminium radiator coolant top hose bleed screw. COLOUR: Blue EQUIVALENT TO LAND ROVER PART NUMBER(S): PYP10008 SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1998-2006, Td5PYP10008BLUE£5.49 Inc. VAT£4.57 Ex. VAT -
Thermostat & Housing for Defender 2.2.4 PUMA
(10)
Direct Replacement
£15.99 Inc. VAT£13.32 Ex. VATKeep your engine running at the right temperature with this high-quality replacement thermostat and housing unit. The thermostat is a vital part of your cooling system. It controls the flow of coolant to make sure your engine doesn't get too hot or...PEM100990-1£15.99 Inc. VAT£13.32 Ex. VAT -
Radiator Expansion Bottle Cap for Defender Td5 & Puma
(2)
Direct Replacement
£2.29 Inc. VAT£1.91 Ex. VATA replacement radiator expansion tank bottle cap. These are normally yellow but very occasionally we may have to supply black ones instead. EQUIVALENT TO LAND ROVER PART NUMBER(S): PCD100160 SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender,...PCD100160£2.29 Inc. VAT£1.91 Ex. VAT -
Water Pump Metal P Gasket for Defender & Discovery 1 300TDi
(9)
Direct Replacement
£1.69 Inc. VAT£1.41 Ex. VATThis is the gasket that fits behind the water pump on All Land Rover 300TDi engines and is commonly known as the 'P' gasket. This is the modified metal type gasket that replaces the original fibre type gasket. It is common for this gasket to fail causing...PET100790G£1.69 Inc. VAT£1.41 Ex. VAT -
Engine Water Coolant Pump for Defender Td5 and Discovery 2 Td5 (1998-2006)
(8)
Direct Replacement
£20.99 Inc. VAT£17.49 Ex. VATReplace your engine's water coolant pump with this high-quality replacement part. Designed specifically for Land Rover Defender Td5 (1998-2006) and Discovery 2 Td5 (1998-2004), this water coolant pump ensures efficient cooling and optimal engine...PEM500040£20.99 Inc. VAT£17.49 Ex. VAT -
Water Temperature Sensor - Green Top for Defender/Discovery 1 300 Tdi
(5)
Direct Replacement
£4.89 Inc. VAT£4.07 Ex. VATDefender/Discovery 1 water temperature sensor - green top. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS:Defender, 300 Tdi, 1994-1998Discovery, 300 TDi, 3.9V8, 1994-1998Range Rover Classic, 300 TDi, 3.9V8, 1994-1995Range Rover P38, 4.0, 4.6 V8, 1994-2002...AMR1425£4.89 Inc. VAT£4.07 Ex. VAT -
OEM Engine Water Coolant Pump for Defender Td5 and Discovery 2 Td5 (1998-2006)
(2)
PROFLOW
£42.99 Inc. VAT£35.82 Ex. VATReplace your engine's water coolant pump with this high-quality OEM replacement part. Designed specifically for Land Rover Defender Td5 (1998-2006) and Discovery 2 Td5 (1998-2004), this water coolant pump ensures efficient cooling and optimal engine...PEM500040G£42.99 Inc. VAT£35.82 Ex. VAT -
Water Pump & P Gasket for Defender & Discovery 1 300TDi
(7)
Direct Replacement
£2.29 Inc. VAT£1.91 Ex. VATA new replacement water pump gasket AND 'P' gasket that fits behind the water pump and timing cover.Quality replacement parts, equivalent to Land Rover part numbers: ERR3284 & PET100790Suitable for the following models: Land Rover: Defender, 300TDi,...ERR3284_PET100790G£2.29 Inc. VAT£1.91 Ex. VAT -
XS Water Pump OE Quality for Defender 300TDi
(5)
PROFLOW
£26.89 Inc. VAT£22.41 Ex. VATReliable Cooling for Your Land Rover The water pump is the heart of your engine’s cooling system. If it fails, your engine can overheat very quickly. This water pump is a high-quality replacement that ensures your coolant keeps moving, even in the...PEB500090G-1£26.89 Inc. VAT£22.41 Ex. VAT -
Thermostat & Housing for Defender Td5
(6)
Direct Replacement
£15.99 Inc. VAT£13.32 Ex. VATKeep your engine running at the right temperature with this high-quality replacement thermostat and housing unit. The thermostat is a vital part of your cooling system. It controls the flow of coolant to make sure your engine doesn't get too hot or...PEM100990£15.99 Inc. VAT£13.32 Ex. VAT