Universal U Bolts with Fitting Position Front Axle, Rear Axle
IMPROVE GRIP, HANDLING & PERFORMANCE.
Our leaf spring U-bolts are engineered to secure leaf springs firmly to the axle, ensuring correct suspension alignment, reliable load transfer and long term stability in leaf sprung vehicles. U-bolts are critical structural components that clamp the spring pack to the axle housing. Over time, factory U-bolts can stretch, corrode or fatigue, red... Read more
Our leaf spring U-bolts are engineered to secure leaf springs firmly to the axle, ensuring correct suspension alignment, reliable load transfer and long term stability in leaf sprung vehicles. U-bolts are critical structural components that clamp the spring pack to the axle housing. Over time, factory U-bolts can stretch, corrode or fatigue, reducing clamping force and causing suspension movement, noise and premature component wear. Our U-bolts restore strength and consistency with high grade, precision engineered fasteners designed for demanding on road and off road conditions.
These upgrades are essential for 4x4s, utes and commercial vehicles where strong, durable and reliable spring-to-axle retention is critical.
Why Upgrade Suspension
Old or worn U-bolts can compromise suspension integrity and lead to serious problems. When factory U-bolts lose tension or strength, they can cause:
- Axle shift under load
- Leaf spring movement or noise
- Reduced stability and traction
- Accelerated wear on leaf springs and saddles
- Unsafe handling, especially when towing or off road
- Increased vibration and harshness
Upgrading to us U-bolts ensures secure clamping force, improved alignment and reliable performance in all driving conditions.
Why Choose Us
Our leaf spring U-bolts are manufactured from high strength steel with corrosion resistant finishes designed to withstand harsh environments, heavy loads and constant flex. Precision threading and correct shank length ensure proper fitment and installation security. Our engineering expertise ensures every U-bolt maintains clamping force even under extreme suspension travel and torque loads.
Drivers choose us because the improvements are immediate: better stability, reduced noise and superior suspension control. Our U-bolts deliver the strength and reliability needed for serious touring, off road adventures and heavy duty work.
Our Leaf Spring U-Bolts Range
The leaf spring U-bolts range includes:
- Leaf Spring U-Bolts Heavy duty, corrosion resistant U-bolts designed to securely clamp leaf springs to the axle, ensuring reliable stability and correct suspension alignment.
How Our Products Improve Vehicle Dynamics
Our U-bolts enhance vehicle dynamics by ensuring the leaf springs remain securely and consistently mounted to the axle. With strong, reliable clamping force, your vehicle benefits from:
- Improved rear end stability
- Better traction during acceleration and off road use
- Reduced suspension movement and noise
- More predictable handling under load
- Increased safety and confidence during towing
These improvements lead to a smoother, stronger and more controlled driving experience.
Vehicle Compatibility
Our leaf spring U-bolts are suitable for:
- 4x4s and off road vehicles
- Utes and commercial transport vehicles
- Load carrying and towing platforms
- Touring and adventure builds
- Any leaf sprung suspension system requiring hardware replacement
Each U-bolt is engineered for platform specific fitment and long term durability.
Installation and Support
Our U-bolts can be installed by DIY users familiar with suspension hardware or by professional workshops. Correct torque is crucial for safe installation, and We provide clear instructions for best results. Once fitted, suspension stability and noise reduction are noticeable immediately.
Maintenance and Longevity
Our U-bolts are designed to resist stretching, corrosion and long term fatigue. Retorque checks after initial installation are recommended, but maintenance needs are minimal. Strong our warranty support ensures long term peace of mind.
Who Is This For?
Our leaf spring U-bolts are ideal for:
- 4x4 owners wanting stronger axle and suspension security
- Ute drivers towing or carrying heavy loads
- Off roaders replacing stretched, rusted or weakened U-bolts
- Anyone restoring or upgrading leaf spring suspension hardware
- Drivers wanting safer, more stable suspension performance
If you want reliable clamping strength, improved stability and long term durability, our U-bolts are the perfect upgrade.
Shop Now
Explore the leaf spring U-bolts range and secure your suspension with premium, heavy duty hardware engineered for serious performance. Upgrade today and enjoy stronger, safer and more stable driving on every terrain.
4 items
- SKU: KUB104 Benefit Note: Whiteline U bolts are the perfect solution for replacing old, rusted, damaged or broken U bolts on most leaf sprung trailers and vehicles.
Universal U Bolts - ID=75mm, L=270mm, Thread=M12 - round top
ℹ️ ID=75mm, L=270mm, Thread=M12 - round topID=75mm, L=270mm, Thread=M12 - round topIn StockShips within 24hrs.Ships within 24hrs.Qty Required 2Kit Contents 2 Bolts, 4 Washers, 4 Nuts$62.00Fully installed for $397.00within 2 weeksSelect Option To Show Price - SKU: KUB105 Benefit Note: Whiteline U bolts are the perfect solution for replacing old, rusted, damaged or broken U bolts on most leaf sprung trailers and vehicles.
Universal U Bolts - ID=75mm, L=270mm, Thread=M14 - round top
ℹ️ ID=75mm, L=270mm, Thread=M14 - round topID=75mm, L=270mm, Thread=M14 - round topIn StockShips within 24hrs.Ships within 24hrs.Qty Required 2Kit Contents 2 Bolts, 4 Washers, 4 Nuts$72.00Fully installed for $407.00within 2 weeksSelect Option To Show Price - SKU: KUB107 Benefit Note: Whiteline U bolts are the perfect solution for replacing old, rusted, damaged or broken U bolts on most leaf sprung trailers and vehicles.
Universal U Bolts - ID=85mm, L=270mm, Thread=M14 - round top
ℹ️ ID=85mm, L=270mm, Thread=M14 - round topID=85mm, L=270mm, Thread=M14 - round topIn StockShips within 24hrs.Ships within 24hrs.Qty Required 2Kit Contents 2 Bolts, 4 Washers, 4 Nuts$64.00Fully installed for $399.00within 2 weeksSelect Option To Show Price - SKU: KUB106 Benefit Note: Whiteline U bolts are the perfect solution for replacing old, rusted, damaged or broken U bolts on most leaf sprung trailers and vehicles.
Universal U Bolts - ID=85mm, L=270mm, Thread=M12 - round top
ℹ️ ID=85mm, L=270mm, Thread=M12 - round topID=85mm, L=270mm, Thread=M12 - round topIn StockShips within 24hrs.Ships within 24hrs.Qty Required 2Kit Contents 2 Bolts, 4 Washers, 4 Nuts$62.00Fully installed for $397.00within 2 weeksSelect Option To Show Price
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Clear all- Brakes 9
- ABS Components 2
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- Threaded Rod Sway Bar Links 5
- Universal Sway Bar Mounts & Brackets 23
- Universal U Bolts 4
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