435567 Trim Tilt Seal Rebuild Kit for Evinrude Johnson 40HP 48HP 50HP | JLM Marine

Trim Tilt Seal Rebuild Kit – Fits Johnson Evinrude 40HP 48HP 50HP

This Trim Tilt Seal Rebuild Kit is engineered to fit 1989–2004 Johnson Evinrude outboard motors rated at 40 HP, 48 HP, and 50 HP. It delivers reliable sealing performance for trim and tilt systems, helping restore smooth hydraulic operation and prevent leaks.

Direct replacement for OEM part numbers: 435567, 0333496, 0912298, 091229, 0435567, 0339849, 033566. This comprehensive seal kit includes all components shown in the product images, designed to restore your tilt/trim system to factory-grade performance.

• Complete rebuild solution for Johnson Evinrude TNT tilt trim systems
• Includes all seals and components needed for a thorough rebuild
• Fits 40 HP, 48 HP, and 50 HP models from 1989 to 2004

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands:

Compatible Engine Models

Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here's a guide to help you identify your engine's serial/model: Johnson Serial Number Guide.

Technical Specifications

Package Contents

This seal rebuild kit includes:

• 1 × Complete Seal Kit
• The package contains all the parts shown in the product images

Installation Guide

1. Disconnect the battery and ensure the engine is off and cool before beginning work.
2. Remove the trim/tilt unit from the outboard motor following your service manual's instructions.
3. Disassemble the tilt/trim hydraulic cylinder carefully, noting the order of components for reassembly.
4. Remove old seals, O-rings, and gaskets from all hydraulic components. Clean all metal surfaces thoroughly to remove debris and old seal residue.
5. Inspect cylinder bores and piston rods for scoring, corrosion, or damage. Replace components if necessary.
6. Install new seals from the kit in the reverse order of disassembly, ensuring each seal is properly seated and oriented according to the service manual.
7. Lubricate all seals with clean hydraulic fluid or compatible lubricant during installation to prevent tearing.
8. Reassemble the hydraulic cylinder, torquing all fasteners to manufacturer specifications.
9. Reinstall the trim/tilt unit onto the outboard motor and reconnect all hydraulic lines securely.
10. Bleed the hydraulic system according to your service manual to remove any trapped air.
11. Test trim/tilt operation through full range of motion, checking for smooth movement and no leaks.
12. Inspect all connections and seals after initial operation; retighten fittings if minor seepage is observed.

Troubleshooting & FAQ

Q: How do I confirm this seal kit fits my Johnson or Evinrude motor?
A: Verify your engine is a 40 HP, 48 HP, or 50 HP Johnson/Evinrude model built between 1989 and 2004. Cross-reference your original part number (435567, 0333496, 0912298, 091229, 0435567, 0339849, or 033566) with the numbers listed above, and confirm the parts in your current kit match the product images.

Q: What are the signs that my trim/tilt seals need replacement?
A: Common symptoms include hydraulic fluid leaks around the tilt cylinder, slow or jerky trim movement, inability to hold trim position, or visible fluid pooling under the motor. If you notice any of these issues, rebuilding the seals is typically the solution.

Q: How often should I rebuild the trim/tilt seals?
A: Seal lifespan depends on usage and operating conditions, but most seals last 5–10 years under normal use. If you operate in harsh saltwater environments or use your motor heavily, inspect seals annually and replace at the first sign of leakage or performance loss.

Q: Can I reuse the old seals if they look okay?
A: No, always install new seals when rebuilding a hydraulic system. Even if old seals appear intact, they lose elasticity over time and can fail shortly after reassembly, leading to leaks and requiring a second rebuild.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.