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Dirty intake valve

Nowadays, cars must meet strict emission standards. To make exhaust gases even cleaner, many cars reuse exhaust gases in the combustion process. This means that these exhaust gases, containing soot particles and other dirt, pass by the intake valve again. This can lead to contamination of the intake valve.

Short journeys, traffic jams, and direct injection engines also contribute to the contamination of the intake and exhaust valves. If the intake valves become too dirty, they can no longer open and close smoothly. This can cause the engine to hesitate or run erratically, lose power, and trigger an error code on the dashboard.

If your intake valves are dirty, you'll want to resolve this quickly. There are special valve cleaners on the market that you can add to your fuel to dissolve the carbon deposits on the valves while driving. If your valves are too dirty, this unfortunately won't work. In that case, you will need to replace the valve(s). The intake valve itself is not expensive, but it takes a lot of time to reach them. This makes it an expensive job due to the labour costs.

At Winparts, we have a wide range of intake valves for many different car models. You can easily find a new intake valve for your car by entering your registration number.

Car inlet valve

The car inlet valve in your car allows air to flow into the cylinders for combustion. The correct air-fuel ratio is crucial for combustion. If there's too much or too little air, the mixture will ignite too early or too late, causing your engine to run unevenly. The inlet valve ensures the correct amount of air reaches the cylinder at the right time.

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Inlet Valve

Material: Bi-metal
Material: Chrome-Manganese-Nickel steel
Supplementary Article/Info 2: Chromed valve stem
Supplementary Article/Info 2: Stellite valve dish
Supplementary Article/Info 2: Valve stem end hardened
Valve head diameter [mm]: 43
Valve stem diameter [mm]: 9,5
Valve seat angle [°]: 20
Guarantee: 2 years
Length [mm]: 179,3
Valve Seat Material: Chrome Silicon steel