U-Bolts/Kits – Highway Ready Trailer Parts

U-Bolt Finder

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(All dimensions are approximate)

U-Bolt guide

UBK3X175SB.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K ,1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 3-5 Leaf 1.75” Wide Springs, Box

UBK3X175SB.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K ,1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 3-5 Leaf 1.75” Wide Springs, Box
UBK3X175S.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K ,1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 3-5 Leaf 1.75” Wide Springs, Bag

UBK3X175S.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K ,1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 3-5 Leaf 1.75” Wide Springs, Bag
UBK3X175LB.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K, 1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Box

UBK3X175LB.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K, 1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Box
UBK3X175L.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K, 1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Bag

UBK3X175L.5 | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 3.5K/4.4K, 1/2-20” Diameter X 7” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Bag
UBK-5X3 | U-Bolt Kit Zinc Plated, 5” Round Tube Axle, 5/8-11” Diameter x 5” Inside Width X 10” Inside Length, For 3” Wide Leaf Spring, Box

UBK-5X3 | U-Bolt Kit Zinc Plated, 5” Round Tube Axle, 5/8-11” Diameter x 5” Inside Width X 10” Inside Length, For 3” Wide Leaf Spring, Box
UBK-5X2.5 | U-Bolt Kit Zinc Plated, 5” Round Tube Axle, 5/8-11” Diameter x 5” Inside Width X 10” Inside Length, For 2.5” Wide Leaf Spring, Box

UBK-5X2.5 | U-Bolt Kit Zinc Plated, 5” Round Tube Axle, 5/8-11” Diameter x 5” Inside Width X 10” Inside Length, For 2.5” Wide Leaf Spring, Box
UBK-575 | U-Bolt Kit Zinc Plated, Round Tube Axle, 3/4-10" Diameter X 5" Inside Width X 11” Inside Length, 12K/15K Axle, For 3” Wide Leaf Spring, Box

UBK-575 | U-Bolt Kit Zinc Plated, Round Tube Axle, 3/4-10" Diameter X 5" Inside Width X 11” Inside Length, 12K/15K Axle, For 3” Wide Leaf Spring, Box
UBK-4X3 | U-Bolt Kit Zinc Plated, 4” Round Tube Axle, 3" Slipper Spring, 5/8” Diameter X 4” Inside Length X 8.5” Inside Width, Box

UBK-4X3 | U-Bolt Kit Zinc Plated, 4” Round Tube Axle, 3" Slipper Spring, 5/8” Diameter X 4” Inside Length X 8.5” Inside Width, Box
UBK-4X2.5 | U-Bolt Kit Zinc Plated, 4” Round Tube Axle, 2.5" Slipper Spring, 5/8” Diameter X 4” Inside Length X 8.5” Inside Width, Box

UBK-4X2.5 | U-Bolt Kit Zinc Plated, 4” Round Tube Axle, 2.5" Slipper Spring, 5/8” Diameter X 4” Inside Length X 8.5” Inside Width, Box
UBK-4X2 | U-Bolt Kit Zinc Plated, 4” Round Tube Axle, 5/8” Diameter X 4” Inside Length X 8.5” Inside Width, Box

UBK-4X2 | U-Bolt Kit Zinc Plated, 4” Round Tube Axle, 5/8” Diameter X 4” Inside Length X 8.5” Inside Width, Box
UBK-3X2SB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 6.5” Inside Length X 3” Inside Width, Fits 3-5 Leaf 2” Wide Springs, Box

UBK-3X2SB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 6.5” Inside Length X 3” Inside Width, Fits 3-5 Leaf 2” Wide Springs, Box
UBK-3X2S | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 6.5” Inside Length X 3” Inside Width, Fits 3-5 Leaf 2” Wide Springs, Bag

UBK-3X2S | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 6.5” Inside Length X 3” Inside Width, Fits 3-5 Leaf 2” Wide Springs, Bag
UBK-3X2LB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 2” Wide Springs, Box

UBK-3X2LB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 2” Wide Springs, Box
UBK-3X2L | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 2” Wide Springs, Bag

UBK-3X2L | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 2” Wide Springs, Bag
UBK-3X1.75SB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 3” Inside Width X 6.625” Inside Length, Fits 3-5 Leaf 1.75” Wide Springs, Box

UBK-3X1.75SB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 3” Inside Width X 6.625” Inside Length, Fits 3-5 Leaf 1.75” Wide Springs, Box
UBK-3X1.75S | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 3” Inside Width X 6.625” Inside Length, Fits 3-5 Leaf 1.75” Wide Springs, Bag

UBK-3X1.75S | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, 9/16-18” Diameter X 3” Inside Width X 6.625” Inside Length, Fits 3-5 Leaf 1.75” Wide Springs, Bag
UBK-3X1.75LB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, Zinc Plated, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Box

UBK-3X1.75LB | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, Zinc Plated, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Box
UBK-3X1.75L | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, Zinc Plated, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Bag

UBK-3X1.75L | U-Bolt Kit Zinc Plated, 3” Round Tube Axle, Zinc Plated, 9/16-18” Diameter X 8” Inside Length X 3” Inside Width, Fits 6-8 Leaf 1.75” Wide Springs, Bag
UBK-35X2 | U-Bolt Kit Zinc Plated, Round Tube Axle, 9/16" Diameter X 3.5" Inside Length X 8" Inside Width, For 2" Wide Spring, Box

UBK-35X2 | U-Bolt Kit Zinc Plated, Round Tube Axle, 9/16" Diameter X 3.5" Inside Length X 8" Inside Width, For 2" Wide Spring, Box
UBK-35X1.75 | U-Bolt Kit Zinc Plated, Round Tube Axle, 9/16" Diameter X 3.5" Inside Length X 8" Inside Width, For 1.75" Wide Spring, Box

UBK-35X1.75 | U-Bolt Kit Zinc Plated, Round Tube Axle, 9/16" Diameter X 3.5" Inside Length X 8" Inside Width, For 1.75" Wide Spring, Box
UBK-2X7.25 | 2” Square U-Bolt Kit Zinc Plated, 1/2-13" X 7.25”, Box

UBK-2X7.25 | 2” Square U-Bolt Kit Zinc Plated, 1/2-13" X 7.25”, Box
UBK-2X6.5 | 2” Square U-Bolt Kit Zinc Plated, 1/2-13” X 6.5”, Box

UBK-2X6.5 | 2” Square U-Bolt Kit Zinc Plated, 1/2-13” X 6.5”, Box
UBK-2X5.3 | 2” Square U-Bolt Kit Zinc Plated, 1/2-13" X 5.3”, Box

UBK-2X5.3 | 2” Square U-Bolt Kit Zinc Plated, 1/2-13" X 5.3”, Box
UBK-2.38SB | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 5 1/2” Inside Length, Box

UBK-2.38SB | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 5 1/2” Inside Length, Box
UBK-2.38S | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 5 1/2” Inside Length, Bag

UBK-2.38S | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 5 1/2” Inside Length, Bag
UBK-2.38LB | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 6 1/2” Inside Length, Box

UBK-2.38LB | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 6 1/2” Inside Length, Box
UBK-2.38L | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 6 1/2” Inside Length, Bag

UBK-2.38L | U-Bolt Kit Zinc Plated, 2 3/8" Round Tube Axle, 1/2-20” Diameter X 2 3/8” Inside Width X 6 1/2” Inside Length, Bag
UBK-1.75SB | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 4.25", Box

UBK-1.75SB | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 4.25", Box
UBK-1.75S | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 4.25", Bag

UBK-1.75S | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 4.25", Bag
UBK-1.75LB | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 5.25", Box

UBK-1.75LB | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 5.25", Box
UBK-1.75L | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 5.25", Bag

UBK-1.75L | U-Bolt Kit Zinc Plated, 1.75" Round Tube Axle, 3/8" X 5.25", Bag