
5.2K–7K Trailer U-Bolt Kit — 3" Axle Fit | 7" U-Bolts | Complete Mounting Kit
Secure your trailer’s suspension with this complete 5.2K–7K U-bolt kit. Designed to mount leaf springs to a 3" round axle, this kit includes all the essential hardware needed for a reliable and stable installation. Whether you're building a new trailer or repairing an existing one, this kit ensures your suspension system is properly secured.
U-Bolt Kit Specifications
- Axle capacity: 5,200–7,000 lbs
- Axle size: Fits 3" round axle
- U-bolt length (L): 7"
- U-bolt width (A): 3"
- Diameter (D): 1/2"
- Plate compatibility: 1-3/4" or 2" springs
What’s Included
- (4) 7" long U-bolts
- (2) U-bolt plates for 1-3/4" or 2" springs
- (8) 1/2"-20 hex nuts
Key Benefits
- Complete kit includes all hardware needed for installation
- Designed for secure mounting of leaf springs to axle
- Heavy-duty construction for long-lasting durability
- Fits most 5.2K to 7K trailer axle setups
- Ideal for both new builds and suspension repairs
Installation Notes
Spring seats are required to mount the axle to the leaf springs and are sold separately.
When ordering raw steel components, minor surface oil or light rust may be present from transit or handling. Clean and coat if needed before installation.
Ideal For
- Utility trailers
- Cargo trailers
- Equipment trailers
- Flatbed trailers
- Trailer suspension repairs and builds
Why Buy from The Trailer Parts Outlet?
- Fast shipping
- Bulk and wholesale options available
- High-quality trailer suspension components
- Expert support to help you choose the right parts
Order your 5.2K–7K trailer U-bolt kit today and secure your trailer suspension with confidence.

5.2K–7K Trailer U-Bolt Kit — 3" Axle Fit | 7" U-Bolts | Complete Mounting Kit
Secure your trailer’s suspension with this complete 5.2K–7K U-bolt kit. Designed to mount leaf springs to a 3" round axle, this kit includes all the essential hardware needed for a reliable and stable installation. Whether you're building a new trailer or repairing an existing one, this kit ensures your suspension system is properly secured.
U-Bolt Kit Specifications
- Axle capacity: 5,200–7,000 lbs
- Axle size: Fits 3" round axle
- U-bolt length (L): 7"
- U-bolt width (A): 3"
- Diameter (D): 1/2"
- Plate compatibility: 1-3/4" or 2" springs
What’s Included
- (4) 7" long U-bolts
- (2) U-bolt plates for 1-3/4" or 2" springs
- (8) 1/2"-20 hex nuts
Key Benefits
- Complete kit includes all hardware needed for installation
- Designed for secure mounting of leaf springs to axle
- Heavy-duty construction for long-lasting durability
- Fits most 5.2K to 7K trailer axle setups
- Ideal for both new builds and suspension repairs
Installation Notes
Spring seats are required to mount the axle to the leaf springs and are sold separately.
When ordering raw steel components, minor surface oil or light rust may be present from transit or handling. Clean and coat if needed before installation.
Ideal For
- Utility trailers
- Cargo trailers
- Equipment trailers
- Flatbed trailers
- Trailer suspension repairs and builds
Why Buy from The Trailer Parts Outlet?
- Fast shipping
- Bulk and wholesale options available
- High-quality trailer suspension components
- Expert support to help you choose the right parts
Order your 5.2K–7K trailer U-bolt kit today and secure your trailer suspension with confidence.

5.2K–7K Trailer U-Bolt Kit — 3" Axle Fit | 7" U-Bolts | Complete Mounting Kit
Secure your trailer’s suspension with this complete 5.2K–7K U-bolt kit. Designed to mount leaf springs to a 3" round axle, this kit includes all the essential hardware needed for a reliable and stable installation. Whether you're building a new trailer or repairing an existing one, this kit ensures your suspension system is properly secured.
U-Bolt Kit Specifications
- Axle capacity: 5,200–7,000 lbs
- Axle size: Fits 3" round axle
- U-bolt length (L): 7"
- U-bolt width (A): 3"
- Diameter (D): 1/2"
- Plate compatibility: 1-3/4" or 2" springs
What’s Included
- (4) 7" long U-bolts
- (2) U-bolt plates for 1-3/4" or 2" springs
- (8) 1/2"-20 hex nuts
Key Benefits
- Complete kit includes all hardware needed for installation
- Designed for secure mounting of leaf springs to axle
- Heavy-duty construction for long-lasting durability
- Fits most 5.2K to 7K trailer axle setups
- Ideal for both new builds and suspension repairs
Installation Notes
Spring seats are required to mount the axle to the leaf springs and are sold separately.
When ordering raw steel components, minor surface oil or light rust may be present from transit or handling. Clean and coat if needed before installation.
Ideal For
- Utility trailers
- Cargo trailers
- Equipment trailers
- Flatbed trailers
- Trailer suspension repairs and builds
Why Buy from The Trailer Parts Outlet?
- Fast shipping
- Bulk and wholesale options available
- High-quality trailer suspension components
- Expert support to help you choose the right parts
Order your 5.2K–7K trailer U-bolt kit today and secure your trailer suspension with confidence.

5.2K–7K Trailer U-Bolt Kit — 3" Axle Fit | 7" U-Bolts | Complete Mounting Kit
Secure your trailer’s suspension with this complete 5.2K–7K U-bolt kit. Designed to mount leaf springs to a 3" round axle, this kit includes all the essential hardware needed for a reliable and stable installation. Whether you're building a new trailer or repairing an existing one, this kit ensures your suspension system is properly secured.
U-Bolt Kit Specifications
- Axle capacity: 5,200–7,000 lbs
- Axle size: Fits 3" round axle
- U-bolt length (L): 7"
- U-bolt width (A): 3"
- Diameter (D): 1/2"
- Plate compatibility: 1-3/4" or 2" springs
What’s Included
- (4) 7" long U-bolts
- (2) U-bolt plates for 1-3/4" or 2" springs
- (8) 1/2"-20 hex nuts
Key Benefits
- Complete kit includes all hardware needed for installation
- Designed for secure mounting of leaf springs to axle
- Heavy-duty construction for long-lasting durability
- Fits most 5.2K to 7K trailer axle setups
- Ideal for both new builds and suspension repairs
Installation Notes
Spring seats are required to mount the axle to the leaf springs and are sold separately.
When ordering raw steel components, minor surface oil or light rust may be present from transit or handling. Clean and coat if needed before installation.
Ideal For
- Utility trailers
- Cargo trailers
- Equipment trailers
- Flatbed trailers
- Trailer suspension repairs and builds
Why Buy from The Trailer Parts Outlet?
- Fast shipping
- Bulk and wholesale options available
- High-quality trailer suspension components
- Expert support to help you choose the right parts
Order your 5.2K–7K trailer U-bolt kit today and secure your trailer suspension with confidence.

5.2K–7K Trailer U-Bolt Kit — 3" Axle Fit | 7" U-Bolts | Complete Mounting Kit
Secure your trailer’s suspension with this complete 5.2K–7K U-bolt kit. Designed to mount leaf springs to a 3" round axle, this kit includes all the essential hardware needed for a reliable and stable installation. Whether you're building a new trailer or repairing an existing one, this kit ensures your suspension system is properly secured.
U-Bolt Kit Specifications
- Axle capacity: 5,200–7,000 lbs
- Axle size: Fits 3" round axle
- U-bolt length (L): 7"
- U-bolt width (A): 3"
- Diameter (D): 1/2"
- Plate compatibility: 1-3/4" or 2" springs
What’s Included
- (4) 7" long U-bolts
- (2) U-bolt plates for 1-3/4" or 2" springs
- (8) 1/2"-20 hex nuts
Key Benefits
- Complete kit includes all hardware needed for installation
- Designed for secure mounting of leaf springs to axle
- Heavy-duty construction for long-lasting durability
- Fits most 5.2K to 7K trailer axle setups
- Ideal for both new builds and suspension repairs
Installation Notes
Spring seats are required to mount the axle to the leaf springs and are sold separately.
When ordering raw steel components, minor surface oil or light rust may be present from transit or handling. Clean and coat if needed before installation.
Ideal For
- Utility trailers
- Cargo trailers
- Equipment trailers
- Flatbed trailers
- Trailer suspension repairs and builds
Why Buy from The Trailer Parts Outlet?
- Fast shipping
- Bulk and wholesale options available
- High-quality trailer suspension components
- Expert support to help you choose the right parts
Order your 5.2K–7K trailer U-bolt kit today and secure your trailer suspension with confidence.