CAR Valve stem seals

Valve stem seals: common defects and their signs

  1. Elasticity loss
    • Motor oil consumption increases.
    • Gray smoke comes from the exhaust pipe when starting the engine.
    • Start of the warmed-up engine is troubled.
  2. Cracking
    • Oil deposits appear on the spark plugs.
    • Accelerating dynamics worsens because of oil accumulation in the piston rings grooves.
    • Engine power lowers.

How to replace valve stem seals?

Average lifetime limit of valve stem seals is 150 000  - 200 000 operational kilometers and depends on the quality of motor oil used. The part is not subject to repair, when worn out it is replaced. Selecting valve stem seals take into account manufacturer’s recommendations. The case is that the size of installed components will vary for every car engine model. Moreover, the quantity of components should coincide with that of valves.

Replacement of these components is performed by service station specialists because demounting of valve stem seals is performed using a special tool. The replacement procedure on cars of different models often has specific features due to complexity of access to damaged components. For example, usually ignition coils and plugs have to be removed, then the valve cover and then the camshaft. Sometimes replacement of stem seals is impossible to perform without demounting the cylinder head. It is recommended to install a new valve cover gasket kit together with valve seals on the car.

Valve stem oil seals / valve seals Information

Valve stem oil seals / valve seals: Bestsellers

-24%
CORTECO Seal Set, valve stem
Article № : 19026849
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£ 12,40**
£ 9,42
incl. 20% VAT, excl. delivery costs
  • Inner diameter 2 [mm]: 6
  • Diameter [mm]: 8,8
  • Outer diameter 2 [mm]: 12,2
  • Condition: New
In stock
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-24%
CORTECO Seal, valve stem
Article № : 12051545
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£ 1,19**
£ 0,90
incl. 20% VAT, excl. delivery costs
  • Material: FPM (fluoride rubber)
  • Inner diameter 2 [mm]: 6, 8,8
  • Height 1 [mm]: 9,70
  • Condition: New
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-24%
CORTECO Seal Set, valve stem
Article № : 19036019
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£ 4,72**
£ 3,59
incl. 20% VAT, excl. delivery costs
  • Material: FPM (fluoride rubber)
  • Number of valves: 8
  • Condition: New
In stock
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-24%
TOPRAN Seal, valve stem
Article № : 107 502
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£ 1,11**
£ 0,84
incl. 20% VAT, excl. delivery costs
  • Material: FPM (fluoride rubber)
  • Valve stem diameter [mm]: 6
  • Condition: New
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-24%
ELRING Seal Set, valve stem
Article № : 199.440
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£ 25,13**
£ 19,10
incl. 20% VAT, excl. delivery costs
  • Material: FPM (fluoride rubber)
  • Condition: New
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-24%
TOPRAN Seal, valve stem
Article № : 100 254
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£ 1,28**
£ 0,97
incl. 20% VAT, excl. delivery costs
  • Material: FPM (fluoride rubber)
  • Valve stem diameter [mm]: 7
  • Condition: New
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-24%
GLASER Seal, valve stem
Article № : P76662-00
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£ 2,88**
£ 2,19
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  • Colour Coding: Black
  • Condition: New
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-24%
FEBI BILSTEIN Seal, valve stem
Article № : 03345
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£ 1,42**
£ 1,08
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 8,0
  • Material: Steel Elastomer
  • Weight [kg]: 0,002
  • Condition: New
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