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Inlet valves for automobile

Spare: Intake valves, Inlet valves engine original

Information - Inlet valves engine

The induction valve is the end point of the intake system. The air-fuel mixture, necessary for the proper functioning of the engine, is pushed through the induction valve into the combustion chamber. A camshaft controls the opening and closing of the induction valve. The structure of the metal of the induction valve (especially the bottom - "the plate") differs significantly from the one of the outlet valve. This is determined by different thermal conditions of functioning.

The power of the engine is directly proportional to the amount of the combustible mixture and fuel that enters the cylinder through the inlet valve, as well as the quality of the cleaning the cylinder from smog through the outlet (exhaust) valves. In order to improve the filling of the engine, the inlet valve diameter is larger than the one of the outlet valve. During descent, the flow speed of the wasted mixture is higher than at the intake of the fresh one, due to the fact that the smog is pushed out by a piston.

The diameter of the inlet valve deals with the possibility of placing it in the cylinder head, and the piston height - with the forces of the valve mechanism performance. But it should not be too large in order to avoid installation of too strong valve springs, because this causes a great deterioration of the cams. The main elements of the valve became the head and the rod. In order to reduce the hydraulic losses during the in- and outlet, the passage from the valve head to the rod is very smooth. Valves are also affected by corrosion. Therefore, the material must always be resistant to wear out, because lubricating it is not satisfying.

If you want to extend the service life, the valve should be exposed to additional processing. To improve the properties and wear resistance of the valve stem, it needs to be treated with nitrogen or chrome. We always have high-quality induction valves in our online store, as well as outlet valves, axial joints or mirrors, all at very affordable prices.

What you need to know about the intake valve: lifetime limits, common defects and their signs, tips and recommendations

The intake valve has no certain lifetime limit. Component is usually replaced in case of burning-out as a result of local overheating. You may also need a new engine intake valve if the old one was deformed.

Unstable engine work and its lowered power point at defects of the car intake valve. Moreover, extraneous sounds can be heard from the exhaust pipe, and vibration can be felt in the cabin. Another sign of defective component is engine overheating – a corresponding indicator on the dashboard points at it.

You can not diagnose valves breakdown by yourself. Only experienced service station specialists can perform high-quality inspection. They will define if there’s a need to replace the intake valve and if it is, they will install a new car part. One needs experience in engine disassembling to work with this component. Specific preliminary procedures are also required before component installation. Particularly, in order to install the intake valve, you will need to grind the seat where it is located.

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Inlet valves at low cost: Top Spares

Inlet Valve 106,2mm (BGA, V531010)
-24%
original Inlet Valve BGA V531010
Article №: V531010
BGA Inlet Valve V531010
£ 7,99**
£ 6,07
incl. 20% VAT, excl. delivery costs
  • Length [mm]: 106,2
  • Valve head diameter [mm]: 33,3
  • Valve stem diameter [mm]: 6
  • Valve seat angle [°]: 45
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 89,6mm (BGA, V035474)
-24%
original Inlet Valve BGA V035474
Article №: V035474
BGA Inlet Valve V035474
£ 5,49**
£ 4,17
incl. 20% VAT, excl. delivery costs
  • Length [mm]: 89,6
  • Valve head diameter [mm]: 27,7
  • Valve stem diameter [mm]: 6
  • Valve seat angle [°]: 45
  • Condition: New
Details
Over 100 items in stock
Inlet Valve Intake Side, 100,9mm (STARK, SKINV-3270001)
-24%
original Inlet Valve STARK SKINV-3270001
Article №: SKINV-3270001
STARK Inlet Valve SKINV-3270001
£ 21,99**
£ 16,71
incl. 20% VAT, excl. delivery costs
  • Valve head diameter [mm]: 29,5
  • Valve stem diameter [mm]: 6
  • Length [mm]: 100,9
  • Supplementary Article/Info 2: Valve stem tip hardened
  • Number of grooves: 3
  • Fitting Position: Intake Side
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 109,3mm (BGA, V991723)
-24%
original Inlet Valve BGA V991723
Article №: V991723
BGA Inlet Valve V991723
£ 5,49**
£ 4,17
incl. 20% VAT, excl. delivery costs
  • Length [mm]: 109,3
  • Valve head diameter [mm]: 32,7
  • Valve stem diameter [mm]: 5,5
  • Valve seat angle [°]: 45
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 105,9mm (JP GROUP, 1111301100)
-24%
original Inlet Valve JP GROUP 1111301100
Article №: 1111301100
JP GROUP Inlet Valve 1111301100
£ 8,49**
£ 6,45
incl. 20% VAT, excl. delivery costs
  • Valve head diameter [mm]: 26,9
  • Valve stem diameter [mm]: 6
  • Length [mm]: 105,9
  • Number of grooves: 3
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 100,9mm (TRW Engine Component, 39522)
-24%
original Inlet Valve TRW Engine Component 39522
Article №: 39522
TRW Engine Component Inlet Valve 39522
£ 11,49**
£ 8,73
incl. 20% VAT, excl. delivery costs
  • Valve head diameter [mm]: 29,5
  • Valve stem diameter [mm]: 6
  • Length [mm]: 100,9
  • Valve seat angle [°]: 45
  • Supplementary Article/Info 2: Valve stem tip hardened
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 105,100mm (AE, V94081)
-24%
original Inlet Valve AE V94081
Article №: V94081
AE Inlet Valve V94081
£ 11,99**
£ 9,11
incl. 20% VAT, excl. delivery costs
  • Length [mm]: 105,100
  • Material: Chrome-silicon-steel
  • Supplementary Article/Info 2: Hardened valve seat, Valve stem tip hardened
  • Valve head diameter [mm]: 26,900
  • Valve stem diameter [mm]: 6,000
  • Valve seat angle [°]: 45
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 105,1mm (VIKA, 11090176201)
-24%
original Inlet Valve VIKA 11090176201
Article №: 11090176201
VIKA Inlet Valve 11090176201
£ 5,49**
£ 4,17
incl. 20% VAT, excl. delivery costs
  • Length [mm]: 105,1
  • Weight [kg]: 0,08
  • Notches / Holes Number: 3
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 105,1mm (BGA, V033413)
-24%
original Inlet Valve BGA V033413
Article №: V033413
BGA Inlet Valve V033413
£ 5,99**
£ 4,55
incl. 20% VAT, excl. delivery costs
  • Length [mm]: 105,1
  • Valve head diameter [mm]: 26,9
  • Valve stem diameter [mm]: 6
  • Valve seat angle [°]: 45
  • Condition: New
Details
Over 100 items in stock
Inlet Valve Intake Side, 95,2mm (ET ENGINETEAM, VI0125)
-24%
original Inlet Valve ET ENGINETEAM VI0125
Article №: VI0125
ET ENGINETEAM Inlet Valve VI0125
£ 8,49**
£ 6,45
incl. 20% VAT, excl. delivery costs
  • Length [mm]: 95,2
  • Valve stem diameter [mm]: 6
  • Valve head diameter [mm]: 26,8
  • Valve seat angle [°]: 45
  • Material: Chrome-silicon-steel
  • Supplementary Article/Info 2: Chromed valve stem
  • Fitting Position: Intake Side
  • Connector type: I
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 110,9mm (FRECCIA, R4973/S)
-24%
original Inlet Valve FRECCIA R4973/S
Article №: R4973/S
FRECCIA Inlet Valve R4973/S
£ 8,49**
£ 6,45
incl. 20% VAT, excl. delivery costs
  • Valve head diameter [mm]: 35,3
  • Valve stem diameter [mm]: 7
  • Length [mm]: 110,9
  • Valve seat angle [°]: 45
  • Material: Chrome-silicon-steel
  • Connector type: E
  • Condition: New
Details
Over 100 items in stock
Inlet Valve 104mm (FRECCIA, R6580/SCR)
-24%
original Inlet Valve FRECCIA R6580/SCR
Article №: R6580/SCR
FRECCIA Inlet Valve R6580/SCR
£ 10,99**
£ 8,35
incl. 20% VAT, excl. delivery costs
  • Valve head diameter [mm]: 33,9
  • Valve stem diameter [mm]: 6
  • Length [mm]: 104
  • Valve seat angle [°]: 45
  • Supplementary Article/Info 2: Chromed valve stem
  • Material: Chrome-silicon-steel
  • Connector type: I
  • Condition: New
Details
Over 100 items in stock
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