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Crankshaft seal for automobile

Spare: Crankshaft oil seal, Crank oil seal, Crankshaft gasket, Shaft seal crankshaft original

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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Crankshaft seal at low cost: Top Spares

Shaft Seal, crankshaft PTFE (polytetrafluoroethylene)/ACM (polyacrylate rubber), 35mm (ELRING, 155.560)
-15%
original Shaft Seal, crankshaft ELRING 155.560
Article №: 155.560
ELRING Shaft Seal, crankshaft 155.560
£ 12,99**
£ 11,04
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 35
  • 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]: 48
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Transmission End, FPM (fluoride rubber)/ACM (polyacrylate rubber), 90mm (FEBI BILSTEIN, 21074)
-15%
original Shaft Seal, crankshaft FEBI BILSTEIN 21074
Article №: 21074
FEBI BILSTEIN Shaft Seal, crankshaft 21074
£ 13,99**
£ 11,89
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
  • Diameter [mm]: 110
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Timing End, FPM (fluoride rubber) (CORTECO, 12012709B)
-15%
original Shaft Seal, crankshaft CORTECO 12012709B
Article №: 12012709B
CORTECO Shaft Seal, crankshaft 12012709B
£ 3,49**
£ 2,97
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Timing End
  • Material: FPM (fluoride rubber)
  • Swirl Type: Alternating Twist
  • Dust Cover: with dust lip
  • Height 1 [mm]: 10
  • Inner diameter 2 [mm]: 32
  • Diameter [mm]: 47
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft FPM (fluoride rubber)/ACM (polyacrylate rubber), 32mm (ELRING, 325.155)
-15%
original Shaft Seal, crankshaft ELRING 325.155
Article №: 325.155
ELRING Shaft Seal, crankshaft 325.155
£ 3,99**
£ 3,39
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 32
  • Material: FPM (fluoride rubber)/ACM (polyacrylate rubber)
  • Swirl Type: Alternating Twist
  • Radial Shaft Seal Design: ASW
  • Dust Cover: with dust lip
  • Height [mm]: 10
  • Alternative Repair Kit: 325.156
  • Diameter [mm]: 47
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Transmission End, FPM (fluoride rubber)/ACM (polyacrylate rubber) (CORTECO, 20015455B)
-15%
original Shaft Seal, crankshaft CORTECO 20015455B
Article №: 20015455B
CORTECO Shaft Seal, crankshaft 20015455B
£ 16,49**
£ 14,02
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Transmission End
  • Material: FPM (fluoride rubber)/ACM (polyacrylate rubber)
  • Swirl Type: Left-hand Twist
  • Dust Cover: with dust lip
  • Height 1 [mm]: 7
  • Inner diameter 2 [mm]: 90
  • Diameter [mm]: 110
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Transmission End, PTFE (polytetrafluoroethylene), with mounting sleeves (CORTECO, 20029117B)
-15%
original Shaft Seal, crankshaft CORTECO 20029117B
Article №: 20029117B
CORTECO Shaft Seal, crankshaft 20029117B
£ 20,49**
£ 17,42
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Transmission End
  • Material: PTFE (polytetrafluoroethylene)
  • Swirl Type: Left-hand Twist
  • Dust Cover: with dust lip
  • Height 1 [mm]: 8,8
  • Supplementary Article/Info 2: with mounting sleeves
  • Inner diameter 2 [mm]: 85
  • Diameter [mm]: 105
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Timing End, FPM (fluoride rubber)/ACM (polyacrylate rubber), 42mm (TOPRAN, 205 565)
-15%
original Shaft Seal, crankshaft TOPRAN 205 565
Article №: 205 565
TOPRAN Shaft Seal, crankshaft 205 565
£ 4,49**
£ 3,82
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 0
  • Diameter [mm]: 55
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Timing End, 45mm (FEBI BILSTEIN, 31329)
-15%
original Shaft Seal, crankshaft FEBI BILSTEIN 31329
Article №: 31329
FEBI BILSTEIN Shaft Seal, crankshaft 31329
£ 7,49**
£ 6,37
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 45
  • Fitting Position: Timing End
  • Width [mm]: 12
  • Thickness [mm]: 8
  • Weight [kg]: 0,029
  • for OE number: 023 997 84 47
  • Diameter [mm]: 67
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Timing End, PTFE (polytetrafluoroethylene), FPM (fluoride rubber)/ACM (polyacrylate rubber), 40mm (FEBI BILSTEIN, 107977)
-15%
original Shaft Seal, crankshaft FEBI BILSTEIN 107977
Article №: 107977
FEBI BILSTEIN Shaft Seal, crankshaft 107977
£ 7,49**
£ 6,37
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 0
  • for OE number: 16 089 406 80
  • Observe service information
  • Diameter [mm]: 55
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft Timing End, ACM (Polyacrylate) (CORTECO, 12011547B)
-15%
original Shaft Seal, crankshaft CORTECO 12011547B
Article №: 12011547B
CORTECO Shaft Seal, crankshaft 12011547B
£ 3,49**
£ 2,97
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Timing End
  • Material: ACM (Polyacrylate)
  • Swirl Type: Alternating Twist
  • Dust Cover: with dust lip
  • Height 1 [mm]: 8
  • Inner diameter 2 [mm]: 35
  • Diameter [mm]: 50
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft PTFE (polytetrafluoroethylene)/ACM (polyacrylate rubber), 35mm (TOPRAN, 109 383)
-15%
original Shaft Seal, crankshaft TOPRAN 109 383
Article №: 109 383
TOPRAN Shaft Seal, crankshaft 109 383
£ 3,99**
£ 3,39
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 35
  • Material: PTFE (polytetrafluoroethylene)/ACM (polyacrylate rubber)
  • Swirl Type: Right-hand Twist
  • Dust Cover 0
  • Height [mm]: 10
  • Diameter [mm]: 48
  • Condition: New
Details
Over 100 items in stock
Shaft Seal, crankshaft PTFE (polytetrafluoroethylene), 32mm (TOPRAN, 109 382)
-15%
original Shaft Seal, crankshaft TOPRAN 109 382
Article №: 109 382
TOPRAN Shaft Seal, crankshaft 109 382
£ 4,49**
£ 3,82
incl. 20% VAT, excl. delivery costs
  • Inner diameter [mm]: 32
  • Material: PTFE (polytetrafluoroethylene)
  • Swirl Type: Alternating Twist, Right-hand Twist
  • Dust Cover 0
  • Height [mm]: 10
  • Diameter [mm]: 47
  • Condition: New
Details
Over 100 items in stock
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