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Information - Piston

Engine piston: replacement and selection

When and why it is necessary to replace engine piston

The engine pistons have no specific lifetime limit. Usually, they are replaced in case of deformation, breakage, burning-out, wear of the mounting hole of the piston pin.

Appearance of piston defects is caused by the following: insufficient or low quality of lubrication, impacts of foreign objects (such as split-off part of the connecting rod, crankshaft or valve), hydraulic shock caused by ingress of water into the cylinders (for example, after driving through a deep puddle). Deformation of the pistons can occur due to usage of spare parts with excessive head height, or due to insufficient sealing of the cylinder head when doing major engine overhaul. Breakage can occur as a result of collision of the pistons with valves, when too high rotation speed of the crankshaft doesn’t allow to pull the valves back, and due to detonation in the cylinder.

Signs of components defects are pistons knocking, especially at engine warming up, and rattling sound of the warmed up engine.

The pistons are replaced in a set. Also, during their replacement you need to install new piston pins and rings. The connecting rods are also replaced if necessary. After all works finishing, you need to carefully use the engine for about 1,000 – 2,000 km, avoiding wheel slipping, high rpm and heavy loads transportation.

How to select piston

The pistons differ by production method, and can be die-cast or forged. For production of the first type components high-pressure casting is used. The forged pistons are made by stamping method; they are more durable and less apt to heat expansion. As a rule, the forged pistons are installed in turbocharged engines. Their price, higher than that of the die-cast pistons, can be considered as their disadvantage.

The shape of the piston top (piston head top surface) depends on the type of the engine, on configuration and volume of the combustion chamber, location of the valves, aspects of fuel-air mixture supply into the chamber, and other factors. In gasoline engines the piston top is flat or with recesses responsible for full opening of the valves. There are combustion chambers made in piston tops of direct injection diesel engines. Their shape allows to provide better whirling and formation of mixture.

The components which are able to perform their functions for a long time, are produced by well-recommended manufacturers only. Kolbenschmidt, Mahle Original, Nural, IPSA, Et Engineteam and others are amongst them.

Select the components strictly for your engine. This will help to avoid incompatibility of the parts by diameter, length, compression height, weight and other factors, important for engine operation. Beside that, a high quality parts kit for the exact car will include the piston pins and bushes. Sometimes, a set of the piston rings can be added.

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Best goods: Piston

MAHLE ORIGINAL 0110811 Piston
011 08 11
Article №: 011 08 11
Car Piston MAHLE ORIGINAL 011 08 11
£ 62,99
incl. 20% VAT, excl. delivery costs
  • Cylinder Bore [mm]: 79,5
  • Length [mm]: 48,4
  • Compression Height [mm]: 27,7
  • Bolt Length [mm]: 55,0
  • Bolt Head Diameter [mm]: 18,0
  • Recess Depth 1 [mm]: 2,7
  • Recess Diameter [mm]: 63,0
  • Surface: Tin-plated
  • Top Land Height [mm]: 5,7
  • Production Number: 79 V 82
  • Component Number: 1. 1.2, 2. 1.5, 3. 3.0
  • Piston Clearance [mm]: 0,02
  • Packaging height [cm]: 12,80
  • Net Weight [g]: 389
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
KOLBENSCHMIDT 97409600 Piston
97409600
Article №: 97409600
Car Engine piston KOLBENSCHMIDT 97409600
£ 80,99
incl. 20% VAT, excl. delivery costs
  • Production Number: 088700
  • Cylinder Bore [mm]: 88,01
  • Compression Height [mm]: 42,3
  • Length [mm]: 72,3
  • Recess Depth 1 [mm]: 13,9
  • Recess Diameter [mm]: 43,7
  • Component Number: 60554, 60556, 60558
  • Standard Size [STD]
  • Bolt Head Diameter [mm]: 30
  • Bolt Length [mm]: 70
  • Piston Clearance [mm]: 0,04
  • Inmetro certified
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 0309700 Piston
030 97 00
Article №: 030 97 00
Car Piston MAHLE ORIGINAL 030 97 00
£ 106,99
incl. 20% VAT, excl. delivery costs
  • Fitting Position: to cylinder 1, to cylinder 2, for cylinder 1-2
  • Cylinder Bore [mm]: 81,01
  • Length [mm]: 69,8
  • Compression Height [mm]: 45,75
  • Bolt Length [mm]: 66,0
  • Bolt Head Diameter [mm]: 26,0
  • Recess Depth 1 [mm]: 18,2
  • Recess Diameter [mm]: 37,9
  • Valve Pocket Depth 1 [mm]: 1,5
  • Machined: with cut-out for oil jet
  • Surface: Coated
  • Supplementary Article / Supplementary Info Info 2: with piston ring carrier, with cooling duct
  • Top Land Height [mm]: 9,5
  • Production Number: 81 L 103
  • Component Number: 1. R2.5 IW CrK, 2. M 2.0 IFU P, 3. DSF 3.0 Cr
  • Piston Clearance [mm]: 0,05
  • Packaging height [cm]: 12,80
  • Net Weight [g]: 896
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 081PI00104000 Piston
081 PI 00104 000
Article №: 081 PI 00104 000
Car Engine piston MAHLE ORIGINAL 081 PI 00104 000
£ 100,49
incl. 20% VAT, excl. delivery costs
  • Cylinder Bore [mm]: 77,0
  • Length [mm]: 47,5
  • Compression Height [mm]: 27,5
  • Bolt Length [mm]: 43
  • Bolt Head Diameter [mm]: 18
  • Recess Depth 1 [mm]: 2
  • Recess Diameter [mm]: 56,6
  • Valve Pocket Depth 1 [mm]: 5,7
  • Valve Pocket Depth 2 [mm]: 3,8
  • Surface: Coated
  • Top Land Height [mm]: 7,5
  • Connecting Rod Design: Trapezoidal Connecting Rod
  • Production Number: 77 L 54
  • Component Number: 1. R1.2 IF Mo P, 2. NM 1.5 P, 3. 3S 2 Cr
  • Piston Clearance [mm]: 0,05
  • Packaging height [cm]: 12,80, 9,60
  • Net Weight [g]: 331
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 0121203 Piston
012 12 03
Article №: 012 12 03
Car Piston MAHLE ORIGINAL 012 12 03
£ 47,99
incl. 20% VAT, excl. delivery costs
  • Cylinder Bore [mm]: 79,50
  • Length [mm]: 48,2
  • Compression Height [mm]: 27,2
  • Bolt Length [mm]: 55,0
  • Bolt Head Diameter [mm]: 18,0
  • Surface: Tin-plated
  • Top Land Height [mm]: 3
  • Production Number: 79 L 55
  • Component Number: 1. R 1.2 N, 2. NM 1.5 P, 3. 3S 2.5 Cr
  • Piston Clearance [mm]: 0,04
  • Packaging height [cm]: 12,80, 9,60
  • Net Weight [g]: 364
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 0121200 Piston
012 12 00
Article №: 012 12 00
Car Engine piston MAHLE ORIGINAL 012 12 00
£ 52,99
incl. 20% VAT, excl. delivery costs
  • Standard Size [STD]
  • Cylinder Bore [mm]: 79,00
  • Length [mm]: 48,2
  • Compression Height [mm]: 27,2
  • Bolt Length [mm]: 55,0
  • Bolt Head Diameter [mm]: 18,0
  • Surface: Tin-plated
  • Top Land Height [mm]: 3
  • Production Number: 79 L 55
  • Component Number: 1. R 1.2 N, 2. NM 1.5 P, 3. 3S 2.5 Cr
  • Piston Clearance [mm]: 0,04
  • Packaging height [cm]: 12,80, 9,60
  • Net Weight [g]: 356
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 0392401 Piston
039 24 01
Article №: 039 24 01
MAHLE ORIGINAL 039 24 01 Piston price
£ 59,99
incl. 20% VAT, excl. delivery costs
  • Cylinder Bore [mm]: 83,5
  • Length [mm]: 84,3
  • Compression Height [mm]: 46,8
  • Bolt Length [mm]: 72,0
  • Bolt Head Diameter [mm]: 25,0
  • Recess Depth 1 [mm]: 2,2
  • Recess Diameter [mm]: 25
  • Surface: Tin-plated
  • Top Land Height [mm]: 12,25
  • Production Number: 83 L 16
  • Component Number: 1. R 2.0 Cr P, 2. M 2.0 P, 3. DSF 3.0 Cr
  • Piston Clearance [mm]: 0,07
  • Packaging height [cm]: 12,80
  • Net Weight [g]: 780, 780,0
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 0635500 Piston
063 55 00
Article №: 063 55 00
MAHLE ORIGINAL 063 55 00 Engine piston price
£ 57,99
incl. 20% VAT, excl. delivery costs
  • Standard Size [STD]
  • Cylinder Bore [mm]: 83,0
  • Length [mm]: 56,0
  • Compression Height [mm]: 32,0
  • Bolt Length [mm]: 51,8
  • Bolt Head Diameter [mm]: 20,0
  • Recess Depth 1 [mm]: 3,1
  • Recess Diameter [mm]: 69
  • Valve Pocket Depth 1 [mm]: 3,4
  • Valve Pocket Depth 2 [mm]: 0,8
  • Machined: with cut-out for oil jet
  • Surface: Coated
  • Top Land Height [mm]: 7
  • Connecting Rod Design: Trapezoidal Connecting Rod
  • Production Number: 83 V 78
  • Component Number: 1. R 1.2 Cr, 2. NM 1.5 P, 3. DSF 3.0 P
  • Piston Clearance [mm]: 0,04
  • Packaging height [cm]: 12,80
  • Net Weight [g]: 440, 440,0
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
ET ENGINETEAM PM009800ET Piston
PM009800ET
Article №: PM009800ET
ET ENGINETEAM PM009800ET Piston price
£ 482,99
incl. 20% VAT, free delivery
  • Cylinder Bore [mm]: 76,5
  • Standard Size [STD]
  • Compression Height [mm]: 29
  • Bolt Length [mm]: 48
  • Bolt Head Diameter [mm]: 19
  • Supplementary Article / Supplementary Info: with piston rings
  • Component Number: PM004900
  • Supplementary Article / Supplementary Info Info 2: with screw set
  • for article number: PM004900
  • Full Set
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 0308900 Piston
030 89 00
Article №: 030 89 00
MAHLE ORIGINAL 030 89 00 Engine piston price
£ 50,49
incl. 20% VAT, excl. delivery costs
  • Standard Size [STD]
  • Cylinder Bore [mm]: 76,51
  • Length [mm]: 58,5
  • Compression Height [mm]: 28,92
  • Bolt Length [mm]: 52,0
  • Bolt Head Diameter [mm]: 17,0
  • Recess Depth 1 [mm]: 1,9
  • Recess Diameter [mm]: 62,0
  • Valve Pocket Depth 1 [mm]: 2,7
  • Valve Pocket Depth 2 [mm]: 2,2
  • Surface: Coated
  • Top Land Height [mm]: 6
  • Production Number: 76 L 99
  • Component Number: 1. R 1.2 N, 2. M 1.5, 3. SSF 2.5
  • Piston Clearance [mm]: 0,004
  • Packaging height [cm]: 12,80, 9,60
  • Net Weight [g]: 331
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 028PI00100000 Piston
028 PI 00100 000
Article №: 028 PI 00100 000
MAHLE ORIGINAL 028 PI 00100 000 Piston price
£ 107,99
incl. 20% VAT, excl. delivery costs
  • Cylinder Bore [mm]: 81,0
  • Length [mm]: 68,8
  • Compression Height [mm]: 45,8
  • Bolt Length [mm]: 66
  • Bolt Head Diameter [mm]: 26
  • Recess Depth 1 [mm]: 12,7
  • Recess Diameter [mm]: 50,9
  • Machined: with cut-out for oil jet
  • Surface: Coated
  • Supplementary Article / Supplementary Info Info 2: with piston ring carrier, with cooling duct
  • Top Land Height [mm]: 12,1
  • Production Number: 81 L 156
  • Component Number: 1. R 1.75 CrK, 2. M 2.0 IFU P, 3. DSF 3.0 Cr
  • Piston Clearance [mm]: 0,07
  • Net Weight [g]: 796
  • Packaging length [cm]: 8,5
  • Packaging width [cm]: 8,50
  • Packaging height [cm]: 8,60
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL 0280312 Piston
028 03 12
Article №: 028 03 12
MAHLE ORIGINAL 028 03 12 Engine piston price
£ 81,99
incl. 20% VAT, excl. delivery costs
  • Cylinder Bore [mm]: 84,51
  • Length [mm]: 61,2
  • Compression Height [mm]: 34,4
  • Bolt Length [mm]: 57,0
  • Bolt Head Diameter [mm]: 20,0
  • Recess Depth 1 [mm]: 1,85
  • Recess Diameter [mm]: 64,0
  • Valve Pocket Depth 1 [mm]: 3,3
  • Valve Pocket Depth 2 [mm]: 5,3
  • Surface: Coated
  • Connecting Rod Design: Trapezoidal Connecting Rod
  • Production Number: 84 L 88
  • Component Number: 1. R 1.2 N, 2. NM 1.5 P, 3. 3S 2.0 Cr
  • Packaging height [cm]: 12,80
  • Net Weight [g]: 445
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 9,50
  • Condition: New
Details
Over 100 in stock
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