Cooling & Heating 204 Products

Thermostat Housing

Internal combustion engines perform best at specific operating temperatures and being too hot or cold can affect a car's reliability.

Our extensive range of quality thermostat housings and gaskets will ensure that your car continues to run at its optimum temperature. Engine temperature is monitored and maintained by a thermostat, which needs to be protected from the heat of the engine. Automotive thermostats incorporate a small pellet of wax that melts and expands at a set temperature, pushing open a cooling valve when the optimum temperature is exceeded. Due to the precise sensitivity of this design, a quality thermostat housing is essential, as even the slightest crack can lead to extensive engine damage. Often more difficult to spot, old and worn thermostat gaskets can also cause temperature issues within your engine. Quality gaskets are vital for sealing your thermostat and its housing together, safely and securely. We’ve assembled our wide range of high quality thermostat housing and gaskets to ensure you find the right fit for your vehicle.

Water Pump

Water pumps and gaskets are vital for keeping your engine at a regulated and safe temperature. If either of these components are damaged or don't function correctly, it may lead to irreparable engine damage. When you are travelling on the road, your engine reaches very high temperatures and it is important that it is. Water pumps work by pumping water through the engine from the radiator, which is then recycled back though the coolant system. A water pump gasket works as a seal between the engine and the water pump to prevent leaking, and is fundamental to the cooling process. If your engine begins to leak coolant, it is vital that you get your gasket replaced promptly to prevent further damage to your engine. A visible sign of a coolant leak is a pool of water under your vehicle. Additionally, corrosion and wear with age and use can cause a gasket to fail, which can cause overheating and water leakage into the oil compartment.

Expansion Tank

A damaged expansion tank – the tank used to conserve coolant - can cause leaks, and should be replaced at the first sign of wear. The purpose of the expansion tank is to protect and store excess coolant. It is a reservoir that stores the overflow of coolant caused by expansion when the liquid has reached a high temperature; without an expansion tank this excess coolant would leak onto the road. Coolant (an equal mix of antifreeze and water) is a liquid that circulates through the car’s cooling system to stop the engine overheating. The expansion tank catches the inevitable overspill of this all-important fluid and recirculates it around the engine. The engine’s cooling system works by heating the coolant in the radiator to its required operating temperature. When this temperature is reached the liquid expands and is forced out of the radiator through the radiator cap. This is where the expansion tank comes into play. It stores the excess coolant to ensure that the necessary fluid level remains within the system. Are you frequently having to top up your coolant? You could have a leak somewhere in the cooling system.

Radiator Hose

Old water hoses and clips can upset even the most efficient of cooling systems, leaving engines at serious risk of overheating. Water hoses and clips may be some of the simplest element of your car’s cooling system, but their quality is essential. Connecting the radiator, the water pump and the engine, water hoses complete the coolant cycle, while the clips ensure a consistent coolant pressure. Over time, fluctuations in the coolant temperature can cause water hoses and clips to become brittle to the point that they can split or crack. This can cause coolant to leak, affecting the pressure within the cooling system itself, which can lead to serious engine failure. Different makes and models of car may require certain water hoses and clips, so take a look at our durable, high quality range or simply call us for more assistance and advice.

Thermostat Coolant

If you notice that your car overheats soon after starting it, or the dashboard’s temperature gauge goes below normal, you may need a new thermostat. A thermostat responds to changes in temperatures. If the thermostat is stuck in an open or closed position, it will not regulate the temperature and will need replacing. The thermostat works by the opening or closing a valve to control coolant flow between the radiator and engine. The valve itself operates through a wax-container element. Therefore, the thermostat is small, simple and effective. The escalating component in the thermostat faces and links the engine coolant. As the coolant temperature increases, the fluid (or wax) container melts and enlarges, pushing a small bar that splits a centre plate from its neighbouring mounting base to expose the valve. It is essential that your thermostat is in working order to maintain a fully functioning engine.

Fans

The car fan is an essential part of your car’s cooling system, responsible for providing cool air if your car is overheating when stationary.While your car’s radiator is usually able to dissipate heat from the engine into the current of cool air passing through the grille, sometimes this isn't possible - particularly in hot weather or while stuck in traffic. If the engine temperature becomes too high, thermostatic switches or computer controlled electronic sensors trigger the car fan to spin and force air through the radiator, which in turn helps to keep your engine cool. If your car fan is damaged or non-responsive, there is nothing preventing your engine from overheating, which can have serious consequences. We stock high quality replacement car fans compatible with every make and model of car so your engine stays cool, whatever the weather.

Oil Coolers

An oil cooler is a small radiator that stops engine oil from overheating, while oil pipes send a vital flow of oil to your engine. To keep your performance engine running smoothly.Oil cools and lubricates your engine’s crankshaft, bearings, pistons, connecting rods, and camshaft. The purpose of the oil cooler is to keep the oil at a temperature of between 82°C and 93°C – the level at which it works best. The longer the oil stays at this temperature, the longer your engine and gearbox will last. Bad or failing air coolers and pipes may result in your engine overheating and suffering from excessive friction. This in turn could lead to severe damage. If you notice any oil or coolant leaks, check your pipes and cooler and replace any damaged items at once.

Radiator Caps

Your radiator cap is responsible for regulating the pressure within your car’s cooling system, without which your engine would quickly overheat. Different systems require different radiator caps, so browse our quality range to find the right cap for your car.Functioning as a pressure release valve, dumping hot fluid and re-introducing cooled fluid, the radiator cap maintains the optimum pressure and temperature within the cooling system. However, a malfunctioning radiator cap can result in poor coolant efficiency and eventually severe engine damage. Pressure imbalance can cause the overflow chamber to run dry and coolant to vaporise upon release, leading to localised and/or general overheating of the engine. If left unchecked this can result in blown gaskets and cracked cylinders. Defective radiator caps should be replaced immediately to avoid further damage. Our extensive selection includes quality, affordable caps for all makes and models of engine.Functioning as a pressure release valve, dumping hot fluid and re-introducing cooled fluid, the radiator cap maintains the optimum pressure and temperature within the cooling system. However, a malfunctioning radiator cap can result in poor coolant efficiency and eventually severe engine damage. Pressure imbalance can cause the overflow chamber to run dry and coolant to vaporise upon release, leading to localised and/or general overheating of the engine. If left unchecked this can result in blown gaskets and cracked cylinders. Defective radiator caps should be replaced immediately to avoid further damage. Our extensive selection includes quality, affordable caps for all makes and models of engine.

Radiator

Your car radiator stops the engine from getting too hot. If it starts leaking or is damaged, this could spell disaster for your vehicle. If this happens, replace your car radiator. The engine in your car generates a lot of heat. Yet if it gets too hot, the pistons will generate too much friction, which in turn may seize your engine. To prevent this problem, you can use water and anti-freeze to absorb heat by passing through your engine. These liquids make their way to the radiator which then transfers the heat into the atmosphere. The radiator helps preserve the life of your engine. A good one will preserve it for longer, as well as helping your car to run at its most efficient. The most obvious sign of a faulty radiator is a visible leak. If you see puddles of red or green liquid (engine coolant) forming underneath your engine when your car is stationary, you must replace your radiator immediately. Not doing so will cause serious damage. You should also bear in mind that engine coolant is toxic to both humans and animals. Low pressure is a sign that your car radiator is suffering from corrosion. Your radiator should produce between 10 PSI and 12 PSI. If the pressure level is lower than this, then you have a problem. You can use a pressure gauge (also available to determine whether this is the issue.

Thermostats

If you notice that your car overheats soon after starting it, or the dashboard’s temperature gauge goes below normal, you may need a new thermostat.A thermostat responds to changes in temperatures. If the thermostat is stuck in an open or closed position, it will not regulate the temperature and will need replacing. The thermostat works by the opening or closing a valve to control coolant flow between the radiator and engine. The valve itself operates through a wax-container element. Therefore, the thermostat is small, simple and effective. The escalating component in the thermostat faces and links the engine coolant. As the coolant temperature increases, the fluid (or wax) container melts and enlarges, pushing a small bar that splits a centre plate from its neighbouring mounting base to expose the valve. It is essential that your thermostat is in working order to maintain a fully functioning engine.

Compressors

The compressor is an integral part of your car’s air conditioning system - creating the energy needed to cool your car’s cabin in hot weather. Car compressors pressurise circulating refrigerant gas, raising its temperature before condensing it into a liquid. After condensation, the refrigerant is routed through a thermal expansion valve which causes a flash evaporation of the liquid into a gas - an effect that causes a significant drop in atmospheric temperature - which is then carried into the car’s cabin. An integral part of the air conditioning process, your compressor is a sensitive device that can suffer a number of faults. Faulty clutches, valves and hoses can lead to a loss in pressure, whereas the heat and vibrations of the engine can loosen seals and wiring over time. Compressors commonly fail due to lack of oil or if contaminants enter the system and affect the reaction process. Choosing the right replacement compressor, parts or PAG oil for your model of car is essential.

Heater Mortor

Like all car parts, your heater motor will eventually wear out and need replacing. At the heart of your car’s heating system, you'll find a heater motor that sets the whole system into motion. The heater motor (otherwise known as a blower motor) usually sits behind the dashboard. Most heater motors use a basic electrical circuit. This circuit comes complete with a resistor to allow you to control the speed of the heater fan. The main symptom of motor failure is when it does not work regardless of the speed at which it is set. Spikes in current occur when the motor relay (the device which powers the motor) fails. This in turn can damage the fuse. Look for a burnt-out fuse before changing the motor. If the fuse is intact, then use an automotive meter or test light to check whether or not your motor is receiving power. If this is fine, then check that power is coming out of the resistor. If your resistor has power going in (with a solid ground also present), but nothing is coming out, then you will need to buy a replacement heater motor.

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