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Suspension U-Bolts and Plates


These trailer u-bolts are designed for the trailer suspension, to attach trailer leaf springs to the trailer axle.

We also carry trailer cargo u-bolts for attaching hardware to the trailer frame.



Square Trailer U-Bolts For 1-1/2" to 2" Square Tubing
Part No. Width (A) Length (L) Diameter (D)
SP01-120 1-1/2" 5" 1/2"
381344UB 1-3/4" 4" 3/8"
SP01-140 1-3/4" 5" 9/16"
SP01-160 2" 5-3/4" 9/16"

Square Trailer U-Bolts For Square Tubing


Round U-Bolts
Part No. Width (A) Length (L) Diameter (D) Most Popular
SP01-020 1-3/4" 4-1/4" 3/8" *
175668 2-1/2" 7-3/4" 9/16"
SP01-040 2-3/8" 5-1/2" 1/2" *
SP01-060 3" 7" 1/2" *
SP01-080 3" 7-1/4" 9/16" *
11-65 3-1/2" 8" 9/16"
175666 3-1/2" 9" 9/16"
11-64 4" 8-1/8" 5/8"
11-77 5" 8-7/8" 5/8"
091148 5" 9-1/2" 5/8"
11-70 5" 9-5/8" 3/4"

Trailer Suspension Round U-Bolts


Trailer U-Bolt Plates
Part No. Axle Size Spring Width U-Bolt Size Diameter Axle Type Most Popular
117535 1-3/4" Round 1-3/4" 3/8" 2K Straight *
117595 2-3/8" Round 1-3/4" 1/2" 3.5K, 2K Drop *
12-4 2-3/8" Round 2" 1/2" 3.5K, 2K Drop
117858 2-1/2" Round 2" 9/16" 7.5K Solid Bar
117521 3" Round 1-3/4" or 2" 1/2" or 9/16" 6K-7K HD *
117581 3-1/2" Round 1-3/4" or 2" 9/16" Dexter 8K
12-42 4" Round 2" 5/8" Dexter 9K
12-49 5" Round 2-1/2" 5/8" Dexter 10K GD, & Hayes 10K
12-53 5" Round 3" 5/8" Dexter 10K HD
12-46 5" Round 3" 3/4" Dexter 12K - 15K
115983 1-1/2" Square 1-3/4" 1/2" Square Bar *
116308 1-3/4" Square 1-3/4" 9/16" Square Bar *
117594 2" Square 1-3/4" or 2" 9/16" Square Bar *

Trailer U-Bolt Plates
1-1/2" Square Trailer U-Bolts (Qty 2)
Product Code: SP01-120
Product Price: $9.95
Product Weight: 2.00 pounds
More Information and Pricing

Square Trailer U-Bolt

  • 1-1/2" Width
  • 1/2" Diameter
  • 5" Long
  • Includes Lock Nuts

 
1-3/4" Round Trailer U-Bolt (Qty 2)
Product Code: SP01-020
Product Price: $5.95
Product Weight: 1.00 pounds
More Information and Pricing

Round Trailer U-Bolts

  • 1-3/4" Width
  • 3/8" Diameter
  • 4-1/4" Long
  • Includes Lock Nuts

 
1-3/4" Square Trailer U-Bolts (Qty 2)
Product Code: SP01-140
Product Price: $9.95
Product Weight: 3.00 pounds
More Information and Pricing
Square Trailer U-Bolt
  • 1-3/4" Wide
  • 9/16" Diameter
  • 5" Long
  • Includes Lock Nuts

 
2" Square Trailer U-Bolt (Qty 2)
Product Code: SP01-160
Product Price: $9.40
Product Weight: 3.00 pounds
More Information and Pricing
Square Trailer U-Bolts
  • 2" Wide
  • 9/16" Diameter
  • 5-3/4" Long
  • Includes Lock Nuts

 
2-3/8" Round Trailer U-Bolts (Qty 2)
Product Code: SP01-040
Product Price: $7.49
Product Weight: 2.00 pounds
More Information and Pricing
Round Trailer U-Bolt
  • 2-3/8" Wide
  • 1/2" Diameter
  • 5-1/2" Long
  • Includes Lock Nuts

 
3" Round Trailer U-Bolts (Qty 2)
Product Code: SP01-060
Product Price: $8.46
Product Weight: 2.00 pounds
More Information and Pricing
Round Trailer U-Bolts
  • 3" Wide
  • 1/2" Diameter
  • 7" Long
  • Includes Lock Nuts

 
3" Round Trailer U-Bolts 9/16" Diameter (Qty 2)
Product Code: SP01-080
Product Price: $12.95
Product Weight: 2.00 pounds
More Information and Pricing

3" Round Trailer U-Bolts

  • 3" Width
  • 9/16" Diameter
  • 7-1/4" Long
  • Includes Nuts

Used on 5.2K, 6K and 7K Axles


 

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