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Precision piston for Johnson and Evinrude two-stroke outboard engines. Compatible with J4, J5 and J6 series in more than 26 power configurations, guaranteeing optimal compression and efficient combustion in the cylinder.
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PISTON JOHNSON EVINRUDE 5033351
5033351
€67.30
Tax included
Precision piston for Johnson and Evinrude two-stroke outboard engines. Compatible with J4, J5 and J6 series in more than 26 power configurations, guaranteeing optimal compression and efficient combustion in the cylinder.
Description
Function and technical context
The piston is the central element of the kinematic group in Johnson and Evinrude two-stroke outboard engines: moving inside the cylinder, it receives the pressure generated by the combustion of the air-fuel mixture and transmits it to the connecting rod, converting the reciprocating movement into rotation of the crankshaft. Working under continuous cycles of high temperature and pressure, it must maintain a precise fit with the cylinder walls to guarantee the necessary tightness and optimal compression in each work cycle. Reference 5033351 has been manufactured with the dimensional tolerances required by BRP for the kinematic groups of the Johnson and Evinrude engines of the J4, J5 and J6 series, ensuring correct accommodation in the cylinder and the integrity of the engine assembly. The deterioration of this component directly compromises cylinder compression, resulting in severe loss of power, excessive fuel consumption and, in the most serious cases, irreparable damage to the engine block or seizure of the assembly.
When to replace this part?
The most common signs of a worn or damaged piston in a two-stroke outboard include: persistent bluish or whitish smoke from the exhaust - a sign of burning oil or passage of gases between the piston and the cylinder wall -, internal metallic knocking known as "piston pad", difficult starting with progressive loss of maximum speed and a compression drop detectable with a pressure gauge greater than 10% with respect to the manufacturer's reference value. It is recommended to inspect the condition of the piston, its rings and the cylinder housing at each major inspection, especially after 300-400 hours of use or at the end of each navigation season. Replacing the piston preventively at the first signs of wear prevents larger breakdowns—such as engine seizure—that can immobilize the boat at sea and lead to complete repair of the engine assembly.
Compatible Johnson/Evinrude Engines
| Series | Models |
|---|---|
| BE2 | BE2REDE 1996, BE2REUD 1997 |
| BE3 | BE3ROEDE 1996, BE3ROEUD 1997 |
| BJ2 | BJ2REDE 1996, BJ2REUD 1997 |
| BJ3 | BJ3ROEDE 1996, BJ3ROEUD 1997 |
| E2 | E2RECS 1998, E2ROEDE 1996, E2ROEOB 1995, E2ROEUD 1997, E2RSS 1998, E2WREES 1999, E2WRSIR Commercial, Rope Start, Tiller, 15 IN. shaft 2001, E2WRSSC Commercial, Rope Start, Tiller, 15 IN. shaft 2000 |
| E3 | E3ROECS 1998, E3ROEDE 1996, E3ROEOB 1995, E3ROEUD 1997, E3ROLECS 1998, E3ROSIA Commercial, Rope Start, Tiller, 15 IN. shaft, N/A USA 2001, E3ROSSR Rope Start, Tiller, 15 in. shaft, N/A USA 2000, E3RSS 1998, E3WREES 1999, E3WRSIR Commercial, Rope Start, Tiller, 15 IN. shaft 2001, E3WRSSC Commercial, Rope Start, Tiller, 15 IN. shaft 2000 |
| HE2 | HE2DRERM 1994, HE2DRETC 1993, HE2REDE 1996, HE2REUD 1997, HE2RSA 1996, HE2RSK 1997 |
| HE3 | HE3REIC 1991, HE3RENR 1992, HE3RERM 1994, HE3RETC 1993, HE3ROEDE 1996, HE3ROEUD 1997, HE3RSA 1996, HE3RSK 1997 |
| HJ2 | HJ2DRERM 1994, HJ2DRETC 1993, HJ2REDE 1996, HJ2REUD 1997, HJ2RSA 1996, HJ2RSK 1997 |
| HJ3 | HJ3REIC 1991, HJ3RENR 1992, HJ3RERM 1994, HJ3RETC 1993, HJ3ROEDE 1996, HJ3ROEUD 1997, HJ3RSA 1996, HJ3RSK 1997 |
| J2 | J2RECS 1998, J2REEC 1999, J2ROEDE 1996, J2ROEOB 1995, J2ROEUD 1997, J2RSS 1998, J2RTSIA Commercial, Rope Start, Tiller, 15 IN. shaft 2001, J2RTSSR Rope Start, Tiller, 15 in. shaft 2000, J2RTVSIA Commercial, Rope Start, Tiller, 15 IN. shaft, wht 2001, J2WREES 1999, J2WRSIR Commercial, Rope Start, Tiller, 15 IN. shaft 2001, J2WRSSC Commercial, Rope Start, Tiller, 15 IN. shaft 2000 |
| J3 | J3REEC 1999, J3RLEEC 1999, J3ROECS 1998, J3ROEDE 1996, J3ROEOB 1995, J3ROEUD 1997, J3ROLECS 1998, J3RSDE, J3RSNF Carbureted, Rope start, Neutral & Forward, White 2002, J3RSOD, J3RSRE, J3RSS 1998, J3RSTB, J3RSTF, J3RTLSIA Commercial, Rope Start, Tiller, 20 IN. shaft 2001, J3RTLSSR Rope Start, Tiller, 20 in. shaft 2000, J3RTSIA Commercial, Rope Start, Tiller, 15 IN. shaft 2001, J3RTSSR Rope Start, Tiller, 15 in. shaft 2000, J3RTVSIA Commercial, Rope Start, Tiller, 15 IN. shaft, wht 2001, J3WREES 1999, J3WRSIR Commercial, Rope Start, Tiller, 15 IN. shaft 2001, J3WRSSC Commercial, Rope Start, Tiller, 15 IN. shaft 2000 |
| J4 | J4R4SDA, J4R4SOR, J4R4SRC, J4R4STS, J4R4SUM, J4RL4SDA, J4RL4SOR, J4RL4SRC, J4RL4STS, J4RL4SUM |
| J5 | J5R4SDA, J5R4SOR, J5R4SRC, J5R4STS, J5R4SUM, J5RL4SDA, J5RL4SOR, J5RL4SRC, J5RL4STS, J5RL4SUM |
| J6 | J6R4SDC, J6R4SOS, J6R4SUR, J6RL4SDC, J6RL4SOS, J6RL4SUR |
| SE2 | SE2REDE 1996 |
| SE3 | SE3ROEDE 1996, SE3ROEUD 1997 |
| SJ2 | SJ2REDE 1996 |
| SJ3 | SJ3ROEDE 1996, SJ3ROEUD 1997 |
Equivalent manufacturer part numbers
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Johnson/Evinrude | 5033351, PISTON |
Related Johnson/Evinrude Parts
If you are maintaining or repairing your Johnson/Evinrude engine, these spare parts may also interest you:
- Pin 17-35973 331880Category: Exploded view J/E Tail V4/V6 Ratio O (1979-06)
- Screw 306643Category: Exploded view J/E Tail V4/V6 Ratio M (1992-06)
- Coil 582508 0582508Category: Johnson Evinrude Coils
- Oil Plug Gasket 12-191833Category: Exploded view J/E Tail 40-75 hp (1975-06)
- Pump Bushing 324641Category: Exploded view J/E Tail 4-8 CV (1980+)
Product Details
5033351