SKU: 61502640481

7" X 4" Boat Trailer Roller Assembly with 1/2 Inch Shaft Bow Stop

Sale price$23.22 Regular price$25.80
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Description

7" X 4" Boat Trailer Roller Assembly with 1/2 Inch Shaft Bow Stop7" X 4" Boat Trailer Roller Assembly with 1 2 Inch Shaft Bow Stop Fits Multiple Trailer Brands This versatile bow roller assembly is designed for boat trailers equipped with a 1 2 inch mounting shaft. Made from durable, non marking polyurethane, it provides gentle yet firm support for your boat's bow during loading and trailering. Its robust construction ensures long lasting resistance to sunlight, chemicals, and water. This part is a direct

7" X 4" Boat Trailer Roller Assembly with 1/2 Inch Shaft Bow Stop – Fits Multiple Trailer Brands

This versatile bow roller assembly is designed for boat trailers equipped with a 1/2-inch mounting shaft. Made from durable, non-marking polyurethane, it provides gentle yet firm support for your boat's bow during loading and trailering. Its robust construction ensures long-lasting resistance to sunlight, chemicals, and water.

This part is a direct replacement for several common bow rollers, offering a reliable fit and function for compatible trailer setups.

  • Designed for trailers requiring a 1/2-inch diameter mounting shaft/bolt.
  • Constructed from durable, non-marking polyurethane (PU) that protects the boat's hull from scuffs and damage.
  • Simple bolt-on installation makes for a straightforward replacement process.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across aftermarket brands.

Brand Part Number
GluckMarine 7" X 4"
MARKGOO 7" X 4" Boat Trailer Roller
JFATXTT 4" Bow Roller

Compatible Applications

Confirm your trailer specifications in the table below.

Brand Application Notes
Multiple Brands Boat trailers with 1/2 inch mounting shafts Provides resilient support for the boat's keel

Technical Specifications

Specification Value
Product Type Bow Roller Assembly
Installation Bold-on (1/2 inch shaft)
Material Polyurethane (PU)
Color Blue (also available in Black)
Dimensions 7" L x 4" W (177.8 mm x 101.6 mm)
Center Hole Diameter 17 mm (0.67 in)
Shaft Size 1/2 inch (12.7 mm)
Weight 0.94 kg (2.07 lb)
Other Technical Attributes Non-marking surface prevents boat hull damage

Package Contents

  • 1 x Bow Roller (7" x 4")
  • 2 x End Bells
  • 1 x Bolt with Washer

Installation Guide

  1. Ensure the boat is properly secured off the trailer and that the trailer is on a level, stable surface before beginning.
  2. Loosen and remove the nut and bolt securing the existing bow roller assembly. You may need a wrench and socket.
  3. Slide the old roller, end bells, and any washers off the mounting shaft. Clean the shaft of any debris or rust.
  4. Place the new bow roller between the mounting brackets, aligning its center hole with the holes on the bracket.
  5. Insert the new 1/2-inch bolt through the brackets and roller, adding the end bells on each side where applicable.
  6. Securely fasten the washer and nut, ensuring the roller spins freely but has no excessive side-to-side movement.

Troubleshooting & FAQ

Q: How do I confirm this roller will fit my trailer?
A: This assembly is designed for boat trailer brackets that accept a 7" x 4" roller and use a 1/2-inch diameter shaft or bolt. Measure your existing setup to ensure these dimensions match. The center hole of the roller itself is 17mm (0.67 in) to accommodate the shaft.

Q: What is the benefit of the polyurethane material?
A: The polyurethane (PU) material is engineered to be non-marking, meaning it won't leave scuffs or scratches on your boat's hull. It is also highly resistant to damage from UV sunlight, saltwater, and chemicals, giving it a longer service life than traditional rubber rollers.

Q: When should I replace my bow roller?
A: Inspect your bow roller for signs of degradation, such as deep cracks, flat spots, or chunking. A worn-out roller can fail to support the bow correctly, potentially leading to hull damage. We recommend replacing it as soon as significant wear is visible.

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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 61502640481

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lynn martinez
Dallas, US
★★★★★ 5
Blk mule
Size: 8.5, Color: Black
They really nice. Good looking and feel comfortable. But I believe they run small. I’m an exchange them for a size up.
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Reviewed in the United States on February 2, 2026
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Catherine
Draper, US
★★★★★ 5
LOVE THEM ❤️
Size: 9, Color: Hazelnut
LOVE THESE ❤️ COMFORTABLE.. WELL MADE.. BEAUTIFUL 😍
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Reviewed in the United States on March 17, 2026
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d & d
Chelsea, US
★★★★★ 5
Genuine leather upper and well made
Size: 10, Color: Sunlight
These shoes are well made and I love the way they look. They look great with jeans or dresses. I usually wear a 9 1/2 or 10 depending on the brand. These are a size 10 and fit. Hopefully after a breaking in period the opening at the toes will loosen up. Also, when walking they make a slap slap sound. Again, hoping after they break in that won't be the case. I got a great deal and poof a couple of days later there was a slightly better deal. I wasn't sure I'd like the color but it's actually really nice. The upper is genuine leather and they are well made.
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Reviewed in the United States on December 6, 2025
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Mytwocents
Houston, US
★★★★★ 5
Beautiful shoe
Size: 7, Color: Smoke Grey
This shoe is fairly narrow, which works fine for my narrow feet. Comfortable. Light. Nice color will match with lots of colors. Fairly comfortable but the skinny part by the toe I see how this would give anyone with a medium side foot blisters. It’s fine on me.
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Reviewed in the United States on August 23, 2025
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Deena
Los Angeles, US
★★★★★ 4
Runs small
Size: 8.5, Color: Sandstorm
This shoe is super cute and comfy. I usually wear an 8 or an 8½. I ordered the 8½, but it was too small, so I had to send it back. I reordered a 9, and it fit perfectly.
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Reviewed in the United States on July 20, 2025

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