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Crankshaft seal for automobile

Original Crankshaft seal catalogue

Information - Crank oil seal

Crankshaft oil seal: replacement and selection

When and why it is necessary to replace crankshaft oil seal

On the average, operational lifetime of the front and rear crankshaft oil seals is 100,000 – 150,000 kilometers of mileage. Premature replacement of these parts can be required due to elasticity loss, mechanical defects or deformation, thermal damages, free play in the place of contact between the oil seal and the crankshaft. Also the component is replaced in case of its displacement.

Loss of car part elasticity is often the result of its drying-out due to long-time (more than half a year) non-use of the car. Moreover, the oil seal can freeze if the car was left in freezing temperature. As a rule, defects and deformation of the component are the result of crankshaft vibrations. Also the oil seal can be damaged because of improper installation. Melting of the part is caused by engine overheating, its displacement from the mounting seat – by increased crankcase gases pressure.

The main sign of crankshaft oil seal defect is leakage of oil. During this, oil level is reducing, which is noticeable at checking with the help of the dipstick. If the rear oil seal got damaged, clutch slipping can take place. During scheduled replacement of the timing belt you can find oil stains on it, which also point out defectiveness of the crankshaft oil seals.

It is recommended to perform replacement of the oil seal at a service station: the procedure presupposes usage of a lifting device. Moreover, replacement of the rear oil seal involves removal of the gearbox and the clutch assembly; and for demounting of the front one, a special remover tool is necessary.

How to select crankshaft oil seal

These components are made of various materials: fluororubber (FPM, FKM), polyacrylic rubber (ACM), Teflon (PTFE), butadiene-nitrile rubber (NBR), silicon rubber (MVG, VMQ). The most widespread oil seals are made of fluororubber. This material is resistant to high temperature and influence of motor oil.

Also the crankshaft seals are divided into double-edge (with the dust boot) and single-edge (without the dust boot) ones. The advantage of the parts with the dust boot lies in the fact that they not only prevent oil leakage, but also protect the unit from ingress of dust and moisture.

The crankshaft oil seals can be of various types according to the cross-section type. So, there are parts with metal coating, with smooth surface, with grooved surface, with hydrodynamic effect. The grooved components improve the mounting tightness, while the hydrodynamic ones are considered more durable.

In order to make the crankshaft oil seals serve faultlessly during the whole operation lifetime, give preference to products of reliable manufacturers. High-quality components are presented in the assortment of Ajusa, Corteco, Elring, Glaser, Payen, Victor Reinz and other brands.

During purchasing these car parts you need to consider their mounting location: in the front or in the rear. No less important selection parameter is the type of oil seal, its height, outer and inner diameters. Moreover, you need to take into account the direction of oil grooves rotation.

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Best goods: Crankshaft seal

Crankshaft seal CORTECO 20015457B
Car Crankshaft seal 20015457B
Article №: 20015457B
CORTECO Crankshaft seal 20015457B
£ 3,49
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Engine
  • Material: FPM (fluoride rubber)
  • Swirl Type: Right-hand Twist
  • Dust Cover: with dust lip
  • Height 1 [mm]: 7
  • for OE number: 023644
  • Inner diameter 2 [mm]: 36
  • Diameter [mm]: 50
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal FEBI BILSTEIN 107977
Car Crankshaft oil seal 107977
Article №: 107977
FEBI BILSTEIN Crankshaft seal 107977
£ 5,99
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 40
  • Fitting Position: Timing End
  • Material: PTFE (polytetrafluoroethylene), FPM (fluoride rubber)/ACM (polyacrylate rubber)
  • Height [mm]: 5,9
  • Weight [kg]: 0,011
  • Rotation Direction: Clockwise rotation
  • for OE number: 16 089 406 80
  • Observe service information
  • Diameter [mm]: 55
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal ELRING 325.156
Car Crank oil seal 325.156
Article №: 325.156
ELRING Crankshaft seal 325.156
£ 3,99
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 32
  • Material: FPM (fluoride rubber)
  • Swirl Type: Alternating Twist
  • Radial Shaft Seal Design: ASW
  • Dust Cover: with dust lip
  • Height [mm]: 10
  • Alternative Repair Kit: 325.155
  • Diameter [mm]: 47
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal TOPRAN 205 565
Car Crankshaft gasket 205 565
Article №: 205 565
TOPRAN Crankshaft seal 205 565
£ 3,49
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 42
  • Fitting Position: Timing End
  • Material: FPM (fluoride rubber)/ACM (polyacrylate rubber)
  • Swirl Type: Right-hand Twist
  • Height [mm]: 7
  • Rotation Direction: Clockwise rotation
  • Diameter [mm]: 55
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal FEBI BILSTEIN 21074
Car Shaft seal crankshaft 21074
Article №: 21074
FEBI BILSTEIN Crankshaft seal 21074
£ 8,99
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 90
  • Fitting Position: Transmission End
  • Material: FPM (fluoride rubber)/ACM (polyacrylate rubber)
  • Width [mm]: 12
  • Weight [kg]: 0,046
  • for OE number: 11 14 1 706 785
  • old version
  • Diameter [mm]: 110
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal CORTECO 20015456B
Car Crankshaft seal 20015456B
Article №: 20015456B
CORTECO Crankshaft seal 20015456B
£ 5,99
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Timing End
  • Material: FPM (fluoride rubber)/ACM (polyacrylate rubber)
  • Swirl Type: Right-hand Twist
  • Dust Cover: with dust lip
  • Height 1 [mm]: 7
  • for OE number: 032612
  • Inner diameter 2 [mm]: 42
  • Diameter [mm]: 62
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal ELRING 012.370
Car Crankshaft oil seal 012.370
Article №: 012.370
ELRING Crankshaft seal 012.370
£ 23,49
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 85
  • Material: PTFE (polytetrafluoroethylene)/ACM (polyacrylate rubber)
  • Swirl Type: Left-hand Twist
  • Radial Shaft Seal Design: IWD
  • Supplementary Article/Info 2: with mounting sleeve
  • Housing Type: with housing
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal ELRING 129.780
Car Crank oil seal 129.780
Article №: 129.780
ELRING Crankshaft seal 129.780
£ 6,99
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 32
  • Material: PTFE (polytetrafluoroethylene)/ACM (polyacrylate rubber)
  • Swirl Type: Right-hand Twist
  • Radial Shaft Seal Design: ASW
  • Dust Cover: with dust lip
  • Height [mm]: 10
  • Observe mounting information
  • Diameter [mm]: 47
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal TOPRAN 109 383
Car Crankshaft gasket 109 383
Article №: 109 383
TOPRAN Crankshaft seal 109 383
£ 3,49
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 35
  • Material: PTFE (polytetrafluoroethylene)/ACM (polyacrylate rubber)
  • Swirl Type: Right-hand Twist
  • Dust Cover: with dust lip
  • Height [mm]: 10
  • Diameter [mm]: 48
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal REINZ 81-19299-10
Car Shaft seal crankshaft 81-19299-10
Article №: 81-19299-10
REINZ Crankshaft seal 81-19299-10
£ 3,49
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 32
  • Material: FPM (fluoride rubber)
  • Width [mm]: 10
  • Swirl Type: Alternating Twist
  • Radial Shaft Seal Design: A SL
  • Diameter [mm]: 47
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal REINZ 81-34367-00
Car Crankshaft seal 81-34367-00
Article №: 81-34367-00
REINZ Crankshaft seal 81-34367-00
£ 7,99
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 32
  • Material: PTFE (polytetrafluoroethylene), ACM (Polyacrylate)
  • Width [mm]: 10
  • Swirl Type: Right-hand Twist
  • Radial Shaft Seal Design: A SL
  • Supplementary Article/Info 2: with mounting sleeve
  • Diameter [mm]: 47
  • Condition: New
Details
Over 100 items in stock
Crankshaft seal VAICO V10-3256
Car Crankshaft oil seal V10-3256
Article №: V10-3256
VAICO Crankshaft seal V10-3256
£ 3,99
incl. 20% VAT, excl. delivery costs
  • Supplementary Info: Q+, original equipment manufacturer quality MADE IN GERMANY
  • Inner diameter [mm]: 32
  • Fitting Position: Timing End
  • Thickness [mm]: 10
  • Weight [kg]: 0,023
  • for OE number: 068 103 085 E
  • Diameter [mm]: 47
  • Packaging width [cm]: 4,7
  • Packaging height [cm]: 1
  • Packaging Depth [cm]: 4,7
  • Condition: New
Details
Over 100 items in stock
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