9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Single

Mount your leaf springs to the axle with this complete U-bolt kit. Includes the u-bolts, tie plates, and nuts needed for a secure, properly torqued installation.

U-Bolt Specifications:

Diameter (D): 9/16"
U-bolt length (L): 7"
U-bolt width (A): 3"
Fits axle tube: 3"
Axle capacity: 5200 - 7000 lbs

What’s Included:

(4) 7 1/4" Long U-bolts
(2) U-Bolt plates for 1-3/4" or 2" springs
(8) 9/16"-18 Hex nuts If you have a new 3" round trailer axle, and you're trying to mount your new leaf springs, then this U-bolt kit is the perfect choice. The kit comes with the U-bolts, plates, and hex nuts that you need to install your springs successfully, and we can help you find the appropriate spring seats to complete the installation

Key Features & Benefits:

Complete kit — all hardware needed for installation
Secures leaf springs to the axle tube
Heavy-duty construction for long service life
Finish may vary between dark grey and silver/chrome depending on supply

Ideal For:

Mounting leaf springs to the axle
Suspension rebuilds and axle swaps
New trailer builds
Shop & fleet stock

Note on Raw Materials: When ordering raw steel suspension components, minor surface rust and protective oils are normal and may require cleaning prior to installation. This does not affect performance or structural integrity.

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Knowledgeable support when you need it

Have questions? Call or message us at (936) 289-3191 — our team is here to help you find the right suspension parts. Order today and keep your trailer safe, stable, and road-ready.

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 2

Mount your leaf springs to the axle with this complete U-bolt kit. Includes the u-bolts, tie plates, and nuts needed for a secure, properly torqued installation.

U-Bolt Specifications:

Diameter (D): 9/16"
U-bolt length (L): 7"
U-bolt width (A): 3"
Fits axle tube: 3"
Axle capacity: 5200 - 7000 lbs

What’s Included:

(8) 7 1/4" Long U-bolts
(4) U-Bolt plates for 1-3/4" or 2" springs
(16) 9/16"-18 Hex nuts If you have a new 3" round trailer axle, and you're trying to mount your new leaf springs, then this U-bolt kit is the perfect choice. The kit comes with the U-bolts, plates, and hex nuts that you need to install your springs successfully, and we can help you find the appropriate spring seats to complete the installation

Key Features & Benefits:

Complete kit — all hardware needed for installation
Secures leaf springs to the axle tube
Heavy-duty construction for long service life
Finish may vary between dark grey and silver/chrome depending on supply

Ideal For:

Mounting leaf springs to the axle
Suspension rebuilds and axle swaps
New trailer builds
Shop & fleet stock

Note on Raw Materials: When ordering raw steel suspension components, minor surface rust and protective oils are normal and may require cleaning prior to installation. This does not affect performance or structural integrity.

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Knowledgeable support when you need it

Have questions? Call or message us at (936) 289-3191 — our team is here to help you find the right suspension parts. Order today and keep your trailer safe, stable, and road-ready.

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 10

Mount your leaf springs to the axle with this complete U-bolt kit. Includes the u-bolts, tie plates, and nuts needed for a secure, properly torqued installation.

U-Bolt Specifications:

Diameter (D): 9/16"
U-bolt length (L): 7"
U-bolt width (A): 3"
Fits axle tube: 3"
Axle capacity: 5200 - 7000 lbs

What’s Included:

(40) 7 1/4" Long U-bolts
(20) U-Bolt plates for 1-3/4" or 2" springs
(80) 9/16"-18 Hex nuts If you have a new 3" round trailer axle, and you're trying to mount your new leaf springs, then this U-bolt kit is the perfect choice. The kit comes with the U-bolts, plates, and hex nuts that you need to install your springs successfully, and we can help you find the appropriate spring seats to complete the installation

Key Features & Benefits:

Complete kit — all hardware needed for installation
Secures leaf springs to the axle tube
Heavy-duty construction for long service life
Finish may vary between dark grey and silver/chrome depending on supply

Ideal For:

Mounting leaf springs to the axle
Suspension rebuilds and axle swaps
New trailer builds
Shop & fleet stock

Note on Raw Materials: When ordering raw steel suspension components, minor surface rust and protective oils are normal and may require cleaning prior to installation. This does not affect performance or structural integrity.

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Knowledgeable support when you need it

Have questions? Call or message us at (936) 289-3191 — our team is here to help you find the right suspension parts. Order today and keep your trailer safe, stable, and road-ready.

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 150

Mount your leaf springs to the axle with this complete U-bolt kit. Includes the u-bolts, tie plates, and nuts needed for a secure, properly torqued installation.

U-Bolt Specifications:

Diameter (D): 9/16"
U-bolt length (L): 7"
U-bolt width (A): 3"
Fits axle tube: 3"
Axle capacity: 5200 - 7000 lbs

What’s Included:

(600) 7 1/4" Long U-bolts
(300) U-Bolt plates for 1-3/4" or 2" springs
(1200) 9/16"-18 Hex nuts If you have a new 3" round trailer axle, and you're trying to mount your new leaf springs, then this U-bolt kit is the perfect choice. The kit comes with the U-bolts, plates, and hex nuts that you need to install your springs successfully, and we can help you find the appropriate spring seats to complete the installation

Key Features & Benefits:

Complete kit — all hardware needed for installation
Secures leaf springs to the axle tube
Heavy-duty construction for long service life
Finish may vary between dark grey and silver/chrome depending on supply

Ideal For:

Mounting leaf springs to the axle
Suspension rebuilds and axle swaps
New trailer builds
Shop & fleet stock

Note on Raw Materials: When ordering raw steel suspension components, minor surface rust and protective oils are normal and may require cleaning prior to installation. This does not affect performance or structural integrity.

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Knowledgeable support when you need it

Have questions? Call or message us at (936) 289-3191 — our team is here to help you find the right suspension parts. Order today and keep your trailer safe, stable, and road-ready.

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 360

Mount your leaf springs to the axle with this complete U-bolt kit. Includes the u-bolts, tie plates, and nuts needed for a secure, properly torqued installation.

U-Bolt Specifications:

Diameter (D): 9/16"
U-bolt length (L): 7"
U-bolt width (A): 3"
Fits axle tube: 3"
Axle capacity: 5200 - 7000 lbs

What’s Included:

(1440) 7 1/4" Long U-bolts
(720) U-Bolt plates for 1-3/4" or 2" springs
(2880) 9/16"-18 Hex nuts If you have a new 3" round trailer axle, and you're trying to mount your new leaf springs, then this U-bolt kit is the perfect choice. The kit comes with the U-bolts, plates, and hex nuts that you need to install your springs successfully, and we can help you find the appropriate spring seats to complete the installation

Key Features & Benefits:

Complete kit — all hardware needed for installation
Secures leaf springs to the axle tube
Heavy-duty construction for long service life
Finish may vary between dark grey and silver/chrome depending on supply

Ideal For:

Mounting leaf springs to the axle
Suspension rebuilds and axle swaps
New trailer builds
Shop & fleet stock

Note on Raw Materials: When ordering raw steel suspension components, minor surface rust and protective oils are normal and may require cleaning prior to installation. This does not affect performance or structural integrity.

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Knowledgeable support when you need it

Have questions? Call or message us at (936) 289-3191 — our team is here to help you find the right suspension parts. Order today and keep your trailer safe, stable, and road-ready.

Item added to your cart

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Single

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 2

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 10

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 150

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 360

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

Item added to your cart

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9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Single

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 2

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 10

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 150

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

9/16" Trailer U-bolt kit for 3" Tube 5200 - 7000 lb Axles — Pack of 360

U-Bolt Specifications:

What’s Included:

Key Features & Benefits:

Ideal For:

Why Buy from The Trailer Parts Outlet?

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