Skip to product information
Usually ships in 2–4 business days.
435345 Trim Cylinder End Cap Seal Kit for Johnson Evinrude OMC 40 300HP Outboard
$131.99
Sale price
$131.99
Regular price
Available to Order
This Trim Cylinder End Cap Seal Kit is a repair seal set for Johnson, Evinrude, and OMC outboard motors from 40 to 300 HP and matches OEM Part# 435345.
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This trim cylinder end cap seal kit rebuilds the hydraulic seals on Johnson, Evinrude, and OMC outboard trim cylinders. Designed for 40-300 HP models, it stops fluid leaks and restores proper trim operation.
Key Features & Performance
- Includes all necessary O-rings and seals for the end cap assembly
- Formulated elastomer resists salt water and hydraulic fluid deterioration
- Direct-fit replacement without special tools
- Restores trim system pressure and eliminates drift
- OEM-quality materials for long service life
- Cost-effective alternative to buying a complete trim cylinder
Fitment & Compatibility
- Johnson outboard engines 40-300 HP (vintage applicable)
- Evinrude outboard engines 40-300 HP (vintage applicable)
- OMC outboard engines 40-300 HP with corresponding trim cylinder
- Fits select models using OEM part number 435345
Common Uses
- Repairing leaking trim cylinder end caps
- Rebuilding worn seals during annual maintenance
- Restoring hydraulic lift and trim function
- Preventing corrosion inside the trim cylinder
Technical Specifications
- Material: Buna-N / Nitrile rubber seals
- Application: Trim cylinder end cap
- Part Number(s): 435345
Frequently Asked Questions
Q: Is this seal kit compatible with 2001 Evinrude 150 HP? A: If the trim cylinder uses OEM part 435345, yes; please verify your existing end cap configuration before ordering.
Q: Do I need to disassemble the entire trim cylinder to install these seals? A: Only the end cap must be removed. The kit replaces seals in the cap, not the inner ram seals ��� follow your service manual for proper procedure.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.