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Johnson Evinrude Outboard Tilt Trim O-Ring Kits

Tilt Trim O-Ring Kits

Tilt and trim systems have a variety of O-rings and seals to maintain pressure for the hydraulic cylinders. The hydraulic fluid also needs to be contained as part of that pressure driven system. When you notice fluid leaks or cylinders that are no longer capable of moving or holding the motor, it's probably time to replace some rings and seals.
Engine Year Part Number
Tilt Trim Cylinder End Cap Removal Tool - Spanner Wrench - 1977 and up for all kits except 5008984 & 5008985)   HW-6100
60 HP thru V6 (1990 & older) and V8 (1991-1993). Services the hydraulic assembly and trim cylinders for integral style TNT units. See below for separate tilt cylinder kits.   393942
60-225 HP for TNT units 1991-2006 434519
40/48/50 HP for TNT units 1989-2005 435567
V8 Tilt Cylinder O-Ring kit 1986-2001 433234
3- & 4-Cylinder engine with Prestolite tilt cylinder - Tilt O-Ring Kit. (The Prestolite cylinder is identified with a "P" stamped on the bottom side by the part number.)   174003
V4, V6, V8 with Showa tilt cylinder - Tilt O-Ring Kit (Showa tilt cylinder is identified by an "S" after the part number stamped on the side of the cylinder.)   390007
V6 & V8 external RAM TNT (2 required)   174520
60-70 HP, 4-Stroke 2001-2003 5034154
2-Cylinder (Service Tools Required)
15 HP H.O. E-TEC trim unit 5008228
25–30 HP E-TEC trim unit 5007774 & 5009035
40–60 HP E-TEC trim unit 5005441 & 5007774 & 5009035
40/50 Carbureted trim unit 5007775
  5008984
Inline-3 and V-4 cylinder (Service Tools Required)
75–90 HP (1.3L) Inline-3 and 115–130 HP 60 degree V4 (1.7L)
Trim unit 5005756 gloss black & 5007776 & 5008949 flat black
  5008985

Need other parts? If you need parts not listed in the application guide, please see:


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