Boat Trailer Bow Roller (Blue Polyurethane) – Fits Most Boat Trailers

Boat Trailer Bow Roller (Blue Polyurethane) – Fits Most Boat Trailers

This high-quality polyurethane boat trailer bow roller provides smooth and stable support for your boat without scratching or causing damage. It is designed to mount on boat trailer winch posts with a 1/2" shaft hole, making it a versatile fit for most boat trailers.

Direct Replacements: JLM Marine 4" Blue Polyurethane Bow Roller, LoadRite 4" Yellow Polyvinyl Bow Stop Roller, and Ultimate 4" x 7" Polyurethane Bow Stop.

• Material: Non-marking, UV-resistant, and shock-absorbing blue polyurethane.
• Compatibility: Universal design fits most boat trailers with a 1/2" shaft.
• Installation: Mounts directly onto the winch post stand.

Compatible Applications

This boat trailer bow roller is universally designed to fit most boat trailers with standard 1/2" mounting hardware.

Technical Specifications

Package Contents

• 1 x Boat Trailer Bow Roller (Blue Polyurethane)
• Note: Mounting hardware (shaft and fasteners) is sold separately.

Installation Guide

1. Ensure the trailer is on a level surface and the boat is secured.
2. Remove the existing hardware (cotter pin, nut, and bolt/shaft) holding the old bow roller.
3. Slide the old roller off the winch post bracket.
4. Clean the mounting bracket area to remove any dirt or corrosion.
5. Align the new polyurethane roller with the mounting holes on the winch post.
6. Slide the 1/2" shaft through the bracket and the new roller.
7. Secure the shaft in place using the original or new hardware.
8. Confirm the roller spins freely and is securely fastened before trailering.

Troubleshooting & FAQ

Q: How do I know if this roller will fit my trailer?

A: This roller is designed for a universal fit on most boat trailers. Please verify that your winch post has a 1/2-inch (0.5" or 12.7mm) mounting shaft hole and that the 4-inch inner roller length is appropriate for your setup. Measure your existing roller and bracket to confirm dimensions before ordering.

Q: What is the benefit of a polyurethane roller over a rubber one?

A: Polyurethane is a non-marking material, so it will not leave scuffs or black marks on your boat's hull, unlike some rubber rollers. It is also highly resistant to UV rays, saltwater, and oil, which prevents cracking and deterioration for a longer service life. Its shock-absorbing properties also provide better protection for your boat.

Q: How do I prevent the roller from squeaking?

A: Squeaking is often caused by friction between the roller and the metal shaft. Applying a small amount of marine-grade grease to the shaft during installation will ensure smooth, quiet operation.

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.