+1-989-755-0561 1-800-358-4751
Trustpilot

U-Bolts

Zinc plated u-bolts for utility trailers, horse trailers, boat trailers, and light-duty trailers. Square and Round 1/2 inch diameter ubolts available for 1-3/4 inch, 2 inch, 2-3/8 inch, and 3 inch trailer axles.

Found 48 Matching Products
Filter the list of Matching Products by selecting any of these options:
  1. Trailer U-Bolt
  1. Nut
  1. 4 inch
  2. 4-1/4 inch
  3. 5 inch
  1. 5-5/16 inch
  2. 5-1/2 inch
  3. 5-3/4 inch
  1. 6-1/2 inch
  2. 7 inch
  3. 7-1/4 inch
  1. 7-3/4 inch
  2. 8 inch
  3. 8-1/8 inch
  1. 8-7/8 inch
  2. 9 inch
  3. 9-1/2 inch
  1. 9-5/8 inch
  1. 1-1/2 inch
  2. 1-3/4 inch
  1. 2 inch
  2. 2-1/8 inch
  1. 2-3/8 inch
  2. 2-1/2 inch
  1. 3 inch
  2. 3-1/16 inch
  1. 3-1/8 inch
  2. 3-1/2 inch
  1. 4 inch
  2. 5 inch
  1. 3/8 inch
  1. 7/16 inch
  1. 1/2 inch
  1. 9/16 inch
  1. 5/8 inch
  1. 3/4 inch
  1. Fine
  1. Course
  1. TPI
  1. UNC
  1. 10 per inch
  1. 11 per inch
  1. 13 per inch
  1. 18 per inch
  1. 20 per inch
  1. 24 per inch
  1. Yes
Grid List
v
SKU 1753223
$7.72
Trailer U-Bolt | Plain Finish with Nuts | Square Bend | 1-1/2 inch Wide, 5 Inch Long, 1/2 Inch Rod

The Redline U-bolt 1753223 is designed to attach your square 1-1/2 inch diameter axle to your leaf s...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Square
  • Width:1-1/2 inch
  • Length:5 inch
  • Diameter:1/2 inch
  • Thread Size:20 per inch
  • Application:For 3,500 lbs. axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 1753223
SKU SP01-160
$13.82
Trailer U-Bolt Kit | Plain Finish | Square Bend | 2 inch Wide, 5-3/4 Inch Long, 9/16 Inch Rod

The Redline Square U-bolt Kit SP01-160 is designed to simplify attachment of hardware to square trai...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Square
  • Width:2 inch
  • Length:5-3/4 inch
  • Diameter:9/16 inch
  • MPN: SP01-160
SKU 091148
$19.75
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 5 inch Wide, 9-1/2 Inch Long, 5/8 Inch Rod

The Redline U-bolt 091148 is designed to attach your round 5 inch diameter axle to your leaf springs...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:5 inch
  • Length:9-1/2 inch
  • Diameter:5/8 inch
  • Thread Size:11 per inch
  • Application:For 10,000 lbs. Hayes axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 091148
SKU 11-65
$10.13
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 3-1/2 inch Wide, 8 Inch Long, 9/16 Inch Rod

The Redline U-bolt 11-65 is designed to attach your round 3-1/2 inch diameter axle to your leaf spri...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:3-1/2 inch
  • Length:8 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Application:For 8,000 lbs. axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 11-65
SKU 175211
$7.68
Trailer U-Bolt | Plain Finish with Nuts | Square Bend | 2 inch Wide, 5-3/4 Inch Long, 9/16 Inch Rod

The Redline 175211 U-bolt is designed to attach your square 2 inch wide axle to your leaf springs.   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Square
  • Width:2 inch
  • Length:5-3/4 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame. Price is per u-bolt, sold individually.
  • MPN: 175211
SKU 175666
$13.53
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 3-1/2 inch Wide, 9 Inch Long, 9/16 Inch Rod

The Redline U-bolt 175666 is designed to attach your round 3-1/2 inch diameter axle to your leaf spr...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:3-1/2 inch
  • Length:9 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Application:For 8,000 lbs. axles with 10 leaf spring
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 175666
SKU 175668
$9.58
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 2-1/2 inch Wide, 7-3/4 Inch Long, 9/16 Inch Rod

The Redline U-bolt 175668 is designed to attach your round 2-1/2 inch diameter axle to your leaf spr...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:2-1/2 inch
  • Length:7-3/4 inch
  • Diameter:9/16 inch
  • Thread Size:18 per inch
  • Application:For 7,500 lbs. solid bar axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 175668
SKU 176400
$4.80
Trailer U-Bolt | Plain Finish with Nuts | Round Bend | 2-3/8 inch Wide, 5-1/2 Inch Long, 1/2 Inch Rod

The Redline U-bolt 176400 is designed to attach your round 2-3/8 inch diameter axle to your leaf spr...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:2-3/8 inch
  • Length:5-1/2 inch
  • Diameter:1/2 inch
  • Thread Size:20 per inch
  • Application:For 3,500 lbs. axles
  • Note:U-bolt plate and additional U-bolt (sold separately), required for leaf spring mounting to trailer frame.
  • MPN: 176400
SKU 38N
$0.18
Hex Nut | 3/8 Inch-24 | Plain Finish

Redline 3/8 inch diameter hex nut is designed for use with U-bolts, brake bolts, center bolts and ma...   Details

Typically ships in 3 to 4 business days.
  • Size:3/8 inch
  • Thread Size:24 per inch
  • FinishPlain
  • MPN: 38N
SKU 7162184UB
$18.62
Trailer U-Bolt Kit | Zinc Finish | Square Bend | 2-1/8 inch Wide, 4 Inch Long, 7/16 Inch Rod

The Redline U-bolt kit 7162184UB is designed to simplify attachment of hardware to square trailer fr...   Details

Typically ships in 3 to 4 business days.
  • FinishZinc
  • Bend:Square
  • Width:2-1/8 inch
  • Length:4 inch
  • Diameter:7/16 inch
  • Note:Generic image, product may vary.
  • MPN: 7162184UB
SKU SP01-020
$7.80
Trailer U-Bolt Kit | Plain Finish | Round Bend | 1-3/4 inch Wide, 4-1/4 Inch Long, 3/8 Inch Rod

The Redline Round U-bolt Kit SP01-020 is designed to simplify attachment of hardware to round traile...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:1-3/4 inch
  • Length:4-1/4 inch
  • Diameter:3/8 inch
  • MPN: SP01-020
SKU SP01-040
$11.75
Trailer U-Bolt Kit | Plain Finish | Round Bend | 2-3/8 inch Wide, 5-1/2 Inch Long, 1/2 Inch Rod

The Redline Round U-bolt Kit SP01-040 is designed to simplify attachment of hardware to round traile...   Details

Typically ships in 3 to 4 business days.
  • FinishPlain
  • Bend:Round
  • Width:2-3/8 inch
  • Length:5-1/2 inch
  • Diameter:1/2 inch
  • MPN: SP01-040

U-Bolts Reviews

Out of 3 reviews, the average customer rating for U-Bolts: 5 out of 5.

lock nut sln1011 reviewer
U-Bolts - L&H SLN1011 Rating: 5 Stars

Yes

very pleased with Michigan spring

Read the Review

lock nut sln912 reviewer
U-Bolts - L&H SLN912 Rating: 5 Stars

Yes

very happy with my purchase

Read the Review

lock nut sln912 reviewer
U-Bolts - L&H SLN912 Rating: 5 Stars

Everything Was Fine

Everything was fine

Read the Review

Customers Who Purchased U-Bolts Also Viewed

Spring Hangers View Details
Spring Hangers
Trailer Spring Bushings View Details
Trailer Spring Bushings
Shackle Bolts and Suspension Hardware View Details
Shackle Bolts and Suspension Hardware
Axle Spring Seats View Details
Axle Spring Seats
Tie Plates View Details
Tie Plates
Trailer Equalizers View Details
Trailer Equalizers

Need Help Finding the Right Product?

Our Michigan Based Parts Experts Can Help. Call for immediate assistance.

Please Wait...