Cooling & Heating
Discovery 1 Cooling & Heating Parts
Keep your Discovery 1 engine at the correct temperature and the cabin heating system working with radiators, water pumps, thermostats, hoses, fan components and heater parts.
What you will find in this category
Radiators & Coolers
Radiators, engine-oil coolers, expansion components and related fittings.
Water Pumps & Thermostats
Replacement pumps, thermostats, gaskets and temperature-control components.
Hoses & Pipework
Top and bottom radiator hoses, heater-hose sets, clips and coolant fittings.
Fans & Sensors
Viscous fan couplings, temperature sensors, switches and selected cooling upgrades.
Identify the engine and cooling layout
Cooling parts differ between 200Tdi, 300Tdi and V8 engines. Check hose routing, connection sizes, engine type and model-year information before ordering.
Quality choices for your Discovery 1
Choose from Direct Replacement, Britpart, Genuine Land Rover, OEM, Proflow, Nissens and other established cooling-system suppliers.
Looking for more Discovery 1 information?
Visit our Land Rover Discovery 1 information guide for model history, 200Tdi, 300Tdi and V8 engine details, body styles and useful parts-identification guidance. Explore the Land Rover Discovery 1 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 -
XS Water Pump OE Quality for Discovery 1 300TDi
(10)
BRITPARTXS
£32.99 Inc. VAT£27.49 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£32.99 Inc. VAT£27.49 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 -
Thermostat for Defender & Discovery 1 200TDi
(6)
Direct Replacement
£6.49 Inc. VAT£5.41 Ex. VATA brand new replacement standard engine coolant thermostat and gasket. A quality replacement part, equivalent to Land Rover part number: ERR2803Suitable for the following models: Land Rover: Defender, 200TDi, 1989-1994 Land Rover: Discovery 1, 200TDi,...ERR2803K£6.49 Inc. VAT£5.41 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 -
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 -
EGR Valve Blanking Delete Kit With Intercooler Hose for Discovery 1 300TDi
(7)
JGS4X4
£10.59 Inc. VAT£8.82 Ex. VATComplete EGR removal kit. Kit Contains:Laser cut 4mm steel EGR Blanking PlateReplacement GasketNew Steel BoltsReplacement Top Inlet/Intercooler Hose Benefits:Reduce SmokeIncrease PowerIncrease TorqueIncrease MPGImproves Drivability An easy way to remove...ESR3025_EGR2SS£10.59 Inc. VAT£8.82 Ex. VAT -
Radiator And Engine Oil Cooler for Defender & Discovery 1 200TDi
(6)
Direct Replacement
£144.99 Inc. VAT£120.82 Ex. VATA new replacement radiator with integrated engine oil cooler. This is a quality replacement aluminium cored radiator. Aluminium is lighter and also offers better heat transfer so will be more efficient at cooling over the standard radiator. A quality...BTP1823S£144.99 Inc. VAT£120.82 Ex. VAT -
Viscous Fan Coupling Unit for Defender Discovery 1 300 TDi
(9)
Direct Replacement
£37.99 Inc. VAT£31.66 Ex. VATQuality replacement radiator fan viscous coupling unit. A quality replacement part, equivalent to Land Rover part number: ERR2266Suitable for the following models: Land Rover: Discovery 1, 300 TDi, 1994-1998 Land Rover: Defender, 300 TDi, 1994-1998ERR2266£37.99 Inc. VAT£31.66 Ex. VAT -
Thermostat & Radiator Brass Bleed Screw Plug for Discovery Tdi
(1)
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-1£4.99 Inc. VAT£4.16 Ex. VAT -
Water Pump OEM for Discovery 1 200TDi
(4)
Airtex
£52.89 Inc. VAT£44.07 Ex. VATDiscovery 1/Range Rover Classic 200Tdi OEM engine coolant water pump. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS:Discovery 1, 200Tdi, 1989-1994Range Rover Classic, 200Tdi, 1971-1994 EQUIVALENT TO LAND ROVER PART NUMBER(S): RTC6395...RTC6395G£52.89 Inc. VAT£44.07 Ex. VAT -
Radiator Top Hose for Discovery 1 300TDi
(5)
Direct Replacement
£2.59 Inc. VAT£2.16 Ex. VATA new replacement rubber top radiator hose. A quality replacement part, equivalent to Land Rover part number: ESR2491Suitable for the following models:Land Rover: Discovery 1, 2.5 300TDi, 1994-1998. Land Rover: Range Rover Classic, 2.5 300TDi, 1994-1995ESR2491£2.59 Inc. VAT£2.16 Ex. VAT