350-62121-1 Tilt Thrust Rod & Spring for Mercury Mariner Tohatsu Yamaha | JLM Marine

350-62121-1 Tilt Thrust Rod & Spring for Mercury Mariner Tohatsu Yamaha

This tilt thrust rod and spring assembly is designed for Mercury 2-stroke (5–15 HP), Mercury 4-stroke (4–6 HP), Tohatsu 2-stroke (5–18 HP), and Yamaha (15–30 HP) outboard engines. Manufactured from high-grade stainless steel, this clamp bracket rod delivers excellent wear and corrosion resistance for reliable tilt function in marine environments.

This aftermarket replacement directly replaces OEM part number 350-62121-1, as well as manufacturer part numbers 16198004 and 16198. The compact, lightweight design ensures straightforward installation and long-lasting durability.

• Constructed from stainless steel for superior corrosion and wear resistance
• Small, lightweight design for easy installation
• Includes both tilt rod and spring

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 Mercury owners, here's a guide to help you identify your engine's serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

For Yamaha owners, here's a guide to help you identify your engine's serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 × Tilt Thrust Rod
• 1 × Spring

Installation Guide

1. Ensure the outboard engine is securely supported and in the fully tilted-down position. Disconnect the battery for safety.
2. Locate the existing tilt thrust rod on the clamp bracket assembly. Inspect for corrosion or damage.
3. Remove the spring from the old tilt rod by carefully compressing or unhooking it from its mounting points.
4. Unscrew or detach the old tilt thrust rod from the bracket. Note the orientation and any washers or spacers.
5. Clean the mounting surfaces and inspect the bracket for wear or cracks.
6. Position the new stainless steel tilt rod into the bracket, aligning it with the original mounting holes.
7. Secure the rod with the original fasteners (or new hardware if provided), tightening to manufacturer torque specifications.
8. Install the new spring onto the tilt rod, ensuring it seats properly in the designated grooves or hooks.
9. Verify that the spring tension allows smooth tilt operation without binding.
10. Reconnect the battery and test the tilt mechanism through its full range of motion.
11. Check for proper alignment and ensure no unusual noise or resistance during operation.
12. Perform a final visual inspection and secure all fasteners before returning the engine to service.

Troubleshooting & FAQ

Q: How do I confirm this tilt rod fits my specific engine?
A: Cross-reference your engine's HP, stroke type, and brand with the compatibility table above. Also verify your original part number matches 350-62121-1, 16198004, or 16198.

Q: Is the spring included, or do I need to order it separately?
A: The package includes both the tilt thrust rod and the spring, so no additional components are required for installation.

Q: What are the signs that my tilt rod needs replacement?
A: Common symptoms include difficulty tilting the engine, visible corrosion or bending of the rod, unusual noise during tilt operation, or the engine not holding its tilt position securely.

Q: How does this aftermarket rod compare to the OEM part?
A: This aftermarket replacement is manufactured from stainless steel to OEM specifications, offering comparable—or superior—corrosion resistance. It is produced in an ISO9002-certified facility with batch quality control.

Q: How often should I inspect or replace the tilt thrust rod?
A: Inspect the tilt rod annually or whenever you notice irregular tilt function. Replace immediately if you observe corrosion, deformation, or loss of spring tension.

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.