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Suspension & Chassis Components

ACTIVATE MORE GRIP.

Leaf Springs for MAZDA BT-50 UR

IMPROVE GRIP, HANDLING & PERFORMANCE.

Whiteline UR BT-50 leaf spring parts are engineered to strengthen, stabilise and enhance the performance of vehicles equipped with UR BT-50 leaf spring suspension systems. Leaf springs are designed to support heavy loads and maintain ride height, but their associated components play a crucial role in alignment control, articulation and overall U... Read more

Whiteline UR BT-50 leaf spring parts are engineered to strengthen, stabilise and enhance the performance of vehicles equipped with UR BT-50 leaf spring suspension systems. Leaf springs are designed to support heavy loads and maintain ride height, but their associated components play a crucial role in alignment control, articulation and overall UR BT-50 suspension behaviour. Whiteline parts ensure that these systems operate smoothly, reliably and with maximum durability whether driving on road, off road or carrying extra weight.

These upgrades are ideal for drivers who expect more stability, better load handling and improved UR BT-50 suspension performance when towing, touring or navigating tough terrain. By reinforcing key mounting points and using high strength materials, Whiteline delivers components that help your UR BT-50 suspension stay aligned, articulate correctly and perform consistently in demanding conditions.

Why Upgrade UR BT-50 Suspension

UR BT-50 Leaf spring systems face significant stress from heavy loads, rough roads and constant movement. Factory components can wear, stretch or deform over time, leading to increased noise, reduced stability, poor alignment and compromised handling. Worn shackles, pins or U bolts also reduce UR BT-50 suspension articulation, causing harshness and uneven tyre contact across varying terrain.

Upgrading these UR BT-50 components provides stronger support, more consistent geometry and a more secure connection between the springs and the chassis. Improved rigidity and better materials result in smoother load transfer, increased control and enhanced long term reliability.

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3 Items

  1. Rear  Leaf Spring - Bushing and Greaseable Shackle/Pin Kit
    In Stock
    Ships within 24hrs.
    Ships within 24hrs.
    SKU: WEK114 Kit Contains:
    Greaseable Fixed Pins, Greaseable Shackles, W73392, W73395 and W73396 - essential to 'Activate More Grip'
    • Rear Spring - Greaseable Fixed Pin Kit
    • Rear Spring - Greaseable Shackle Kit
    • Rear Spring - Front Eye Bushing Kit
    • Rear Spring - Rear Eye Bushing Kit
    • Rear Spring - Shackle Bushing Kit
    The Shackles and Fixed Pins are often overlooked when upgrading the suspension of a 4WD.  By fitting the complete package of Greasable Shackles, Fixed Pins and Bushing kit the rear end of any 4WD will handle just about anything that is throw at it!Benefit Note: The Shackles and Fixed Pins are often overlooked when upgrading the suspension of a 4WD. Original shackles and fixed pins corrode and destroy the bushings and it is the leaf spring bushings that stabilise the movement of the rear axle. Worn or inferior bushes in this area will cause the solid rear axle to move and impart rear end passive steer to the vehicle leading to the vehicle 'wandering' all over the road and be unstable under heavy braking. This can be especially noticeable carrying a load or towing a boat or caravan. By fitting the complete package of Whiteline Greaseable Shackles, Fixed Pins and Bushing kit the rear end of any 4WD will handle just about anything that is throw at it!

    Rear Leaf Spring - Bushing and Greaseable Shackle/Pin Kit

    Let your vehicle handle anything you throw at it with a complete greaseable shackle and fixed pin upgrade to activate more grip. Includes: Rear Spring Greaseable Fixed Pin and Shackle Kits, Rear Spring Front Eye, Rear Eye and Shackle Bushing Kits.
    In Stock
    Ships within 24hrs.
    Ships within 24hrs.
    Qty Required 1
    Kit Contents 2 Shackles, 2 Pins, 12 Bushings, 4 Tubes
    $344.25
  2. Rear  Leaf Spring - Front Eye Bushing And Greaseable Pin Kit
    In Stock
    Ships within 24hrs.
    Ships within 24hrs.
    SKU: W73834 Benefit Note:
    The Shackles and Fixed Pins are often overlooked when upgrading the suspension of a 4WD. Original shackles and fixed pins corrode and destroy the bushings and it is the leaf spring bushings that stabilise the movement of the rear axle. Worn or inferior bushes in this area will cause the solid rear axle to move and impart rear end passive steer to the vehicle leading to the vehicle 'wandering' all over the road and be unstable under heavy braking. This can be especially noticeable carrying a load or towing a boat or caravan. By fitting the Whiteline Greaseable Fixed Pins and Bushing kit the rear end of any 4WD will handle just about anything that is throw at it!

    Rear Leaf Spring - Front Eye Bushing And Greaseable Pin Kit

    Balances comfort with performance while minimising noise and vibrations; the perfect, complete upgrade. Includes: 2 Pins, 4 Bushings & 2 Tubes
    In Stock
    Ships within 24hrs.
    Ships within 24hrs.
    Qty Required 1
    Kit Contents 2 Pins, 4 Bushings, 2 Tubes
    $154.00
  3. Rear  Leaf Spring U Bolt - Kit

    Rear Leaf Spring U Bolt - Kit

    Rear  Leaf Spring U Bolt - Kit
    Pre-Order
    Available for Preorder. Stock due on 26/4/2026.
    Available for Preorder. Stock due on 26/4/2026.
    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.

    Rear Leaf Spring U Bolt - Kit

    ℹ️ Suits UP models
    ID=85mm, L=270mm, Thread=M14 - round top
    Pre-Order
    Available for Preorder. Stock due on 26/4/2026.
    Available for Preorder. Stock due on 26/4/2026.
    Qty Required 2
    Kit Contents 2 Bolts, 4 Washers, 4 Nuts
    $59.33
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