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  1. Boat Trailer Parts
  2. Redline
  3. U-Bolts
  4. 4 Inch Long
  5. 3/8 Inch Diameter
  6. Zinc-Plated Steel
Trailer Square U-Bolts (Qty 2), 1-3/4" x 4" x 3/8"
Redline

Trailer Square U-Bolts (Qty 2), 1-3/4" x 4" x 3/8"

Part Number: 381344UB
In Stock
$22.94
Boat Trailer Parts
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Square U-Bolt to attach hardware to square trailer frames. 1-800-940-8924 to order Redline boat trailer parts part number 381344UB or order online at etrailer.com. Free expert support on all Redline products. Great prices and Fastest Shipping for Trailer Square U-Bolts (Qty 2), 1-3/4" x 4" x 3/8". Boat Trailer Parts reviews from real customers.
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  • Reviews (664)
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Redline Boat Trailer Parts - 381344UB

  • U-Bolts
  • 4 Inch Long
  • 3/8 Inch Diameter
  • Zinc-Plated Steel
  • 1-3/4 Inch Wide
  • Redline

Square U-Bolt to attach hardware to square trailer frames.


Features:

  • 1-3/4" Inside width (A)
  • 3/8" Diameter bolts (D)
  • 4" Length (L)
  • 2-1/8" From center of bolt hole to center of bolt hole
  • 2" Threads
  • Includes locknut and washer
  • Zinc plated to resist corrosion



Cargo Control Bolt Display


381344UB Trailer Square U-Bolts (Qty 2), 1-3/4" x 4" x 3/8"




California residents: click here


Video of Trailer Square U-Bolts (Qty 2), 1-3/4" x 4" x 3/8"

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of Redline Boat Trailer Parts - U-Bolts - 381344UB

Hello, neighbors. Steven here with etrailer.com. Today, we're taking a look together at our trailer square U-bolts with the washers and locknuts. So folks, gonna get you some quick measurements on these, but basically, you got the square U-bolts and they're gonna give you the washers and the locknuts needed to install them. Now, everything here has been zinc-plated. Lemme get my ruler up here.

I'm gonna start on the inside measurement. So, I get an inch and 3/4 side to side on the inside measurement there. Now, the bolts themselves are a 3/8-inch-diameter bolt. The full length of 'em is right around four inches long. And if I do center to center on the bolt face, I get right about 2 1/8 inches center on center, and the length of the usable threads is right at two inches long.

(bolts thudding) And again, folks, just a nice quick look at our trailer square U-bolts. I hope this information's been helpful for you. I'm Steven. Have a good day.

Customer Satisfaction Score:

Ratings & Reviews

4.8

664 reviews
Square U-Bolt to attach hardware to square trailer frames.

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Great service



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Exactly what I wanted and shipped fast.



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Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Laura H
Updated by:
Laura H
Employee Wilson B
Updated by:
Wilson B
Employee Steven C
Installed by:
Steven C

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