What makes Whiteline different from OEM suspension components?

Whiteline suspension products are engineered for performance and durability well beyond OEM standards. While factory (OEM) components often use soft rubber bushings that degrade over time and under load, Whiteline uses advanced polyurethane and bushing technology that resists oil, heat, abrasion, and weathering. This results in sharper handling, more responsive steering, better load control, and significantly improved lifespan — without the harshness of traditional solid bushings.

Do I need a wheel alignment after installing Whiteline components?

It’s recommended to perform a wheel alignment after installation to ensure optimal performance and tire wear.

Are Whiteline Fixed Offset Upper Control Arms (UCAs) necessary for lifted vehicles?

They help maintain correct alignment and steering geometry after a vehicle is lifted.

Can I install Whiteline products myself?

Some products are DIY-friendly, but professional installation is recommended for suspension components.

Do Whiteline products come with a warranty?

Yes. Please refer to our warranty policy for details.

Steering Parts for ISUZU D-MAX

IMPROVE GRIP, HANDLING & PERFORMANCE.

Whiteline ISUZU D-MAX steering rack mount bushes are engineered to restore steering precision, reduce unwanted rack movement and deliver sharper, more confident control. The steering rack relies on stable, properly supported mounting points to translate driver input directly to the wheels. When factory rubber bushes wear out, the ISUZU D-MAX rack shifts under load, creating vague steering, reduced accuracy and increased vibration. Whiteline steering rack mount bushes replace these weak points with high performance polyurethane designed to keep the rack firmly in place for maximum steering response.

These upgrades are ideal for drivers wanting tighter steering feel, improved road feedback and better overall handling in both performance and daily driving situations.

Why Upgrade ISUZU D-MAX Suspension

Worn steering rack bushes introduce excessive flex into the ISUZU D-MAX steering system, affecting the ISUZU D-MAX’s ability to track straight and respond precisely. This leads to:

Vague or inconsistent steering

Increased steering play

Reduced grip during cornering

Excess vibration through the steering wheel

Poor alignment retention

Upgrading to Whiteline ISUZU D-MAX bushes eliminates this movement, ensuring your steering rack stays centred, stable and responsive.

Why Choose Whiteline

Whiteline ISUZU D-MAX steering rack mount bushes are crafted from advanced polyurethane that outperform rubber in strength, heat resistance and long term stability. Precision moulding ensures accurate fitment and consistent performance even under heavy steering loads. These ISUZU D-MAX bushes are designed to minimise deflection while maintaining suitable compliance for everyday comfort.

Drivers choose Whiteline because the improvements are immediate and noticeable. ISUZU D-MAX Steering feels sharper, more direct and more predictable, giving you better confidence whether cornering, cruising or manoeuvring at low speeds.

Whiteline ISUZU D-MAX Steering Rack Mount Bushes Range

The Whiteline steering rack mount bushes range includes:

ISUZU D-MAX Steering Rack Mount Bushes: High performance replacement bushes that stabilise the rack, sharpen steering response and reduce flex.

ISUZU D-MAX Steering Rack Mount Bush Kits: Complete kits containing all required bushes and components to fully refresh the steering rack mounts for maximum precision and support.

How Whiteline Improves ISUZU D-MAX Dynamics

Whiteline ISUZU D-MAX steering rack bushes improve vehicle dynamics by reducing deflection at the rack mounts. With firmer, more stable mounting points, the steering system delivers:

Faster, more accurate steering response

Improved mid corner stability

Better alignment consistency

Reduced vibration and steering noise

More predictable handling in all conditions

This creates a more connected and confidence inspiring driving experience.

Installation and Support

Whiteline ISUZU D-MAX steering rack mount bushes can be installed by skilled DIY users or professional workshops. Kits include detailed instructions, and additional support resources are available online. Once installed, the improvement in steering feel and precision is immediate.

Maintenance and Longevity

Whiteline ISUZU D-MAX bushes are crafted from high durability elastomers that resist wear, heat and long term compression. They require minimal maintenance and provide stable, long lasting performance. Strong warranty backing ensures confidence and reliability.

Who Whiteline Is For?

Whiteline ISUZU D-MAX steering rack mount bushes are ideal for:

Drivers wanting sharper, more accurate steering

Enthusiasts upgrading worn or vague factory bushes

Performance drivers needing reliable steering control

Anyone seeking a more connected, responsive driving experience

If steering precision and grip matter to you, Whiteline ISUZU D-MAX steering rack mount bushes are an essential upgrade.

Shop with Whiteline

Explore the Whiteline ISUZU D-MAX steering rack mount bushes range and maximise steering grip, accuracy and performance. Upgrade today and enjoy smoother, sharper and more reliable control on every drive.

Read less

Change Vehicle

SKU: KCA514
KCA514 Steering Knuckle Kit - Bump Steer Correction
Optimizing Steering Geometry for Better Handling and Safety
The KCA514 Steering Knuckle Kit is designed to improve steering geometry and reduce bump steer. It is completely legal and doesnâ€™t require engineering certification or modification plates. This product is VSB 14 approved and ADR compliant. It functions similarly to installing an upper control arm in your vehicle.
Our engineering team has rigorously tested the aftermarket front knuckle (KCA514) to VSB 14 load standards using FEA analysis, assessing it for a front axle rating of 1650kg. The tests confirm that the product exceeds strength requirements. It is compatible with any GVM upgrade.
VSB 14 Compliance & Legality
VSB 14 outlines legal requirements for aftermarket modifications. The KCA514 knuckle is classified as owner-certified, meaning no engineer or certification is needed once installed. This is similar to installing legal modifications such as upper control arms, shocks, or lift kits.
ADR Compliance & Legal Status
The Australian Design Rules (ADRs) set national safety, anti-theft, and emissions standards for vehicles. While there are no specific ADRs for steering knuckles (similar to control arms or shocks), the KCA514 steering knuckle meets OE (Original Equipment) design standards. As there are no ADRs governing the "robustness of a vehicle," VSB 14 is the primary standard for in-service modifications.
Comparison to Other In-Service Modifications
Other similar in-service bolt-on modifications that donâ€™t require engineering or mod plates include:

Leaf Spring Replacement â€“ Parabolic vs. original leaf springs.

Front Strut Swap â€“ OE strut to Formula 4x4 or equivalent.

Bull Bar Installation â€“ No issues with fitting a bull bar.

Control Arm Upgrade â€“ Replacing a steel control arm with an alloy one.
Whiteline products undergo extensive testing to ensure compliance with relevant engineering standards, offering peace of mind regarding quality.
Benefits

Enhanced Handling: Improved vehicle dynamics, providing better driving confidence and a smoother feel.

Better Stability: Improved stability for daily driving, off-roading, and touring.

Reduced Steering Correction: No more constant steering adjustments or fighting lane assist features.

Less Driver Fatigue: A more relaxed driving experience and reduced risk of accidents.

Reduced Tire Wear: Better tire contact with the road, increasing tire life.
Why the Isuzu D-Max, MU-X & Mazda BT-50 Need This Product
These vehicles experience chronic bump steer, which leads to significant tire wear. This issue is apparent in both standard-height and lifted versions, but becomes more severe with lift modifications.
The KCA514 steering knuckle provides a direct replacement, replicating all original features and mounting provisions. Made from hot-forged 4140 AISI steel, itâ€™s heat-treated and finished with black e-coat for optimal corrosion resistance.
Pairing KCA514 steering knuckles with upper control arms resolves premature tire wear, improves alignment, and restores proper handling.
Can Regular Wheel Alignments Fix the Issue?
No. While wheel alignments may temporarily reduce tire wear, they donâ€™t fix the underlying problem. Alignments are a band-aid solution, not a permanent fix.
Alternative Fixes to Steering Knuckle
After extensive testing, weâ€™ve learned that while an upper control arm may slightly improve bump steer, it doesnâ€™t provide a full solution. Adjusting the steering rack pickup point is necessary to properly address bump steer. Using an upper control arm to fix bump steer would cause other issues, such as tire clearance problems.
The Whiteline steering knuckle is engineered to correct bump steer without introducing new complications.
What is Bump Steer?
Bump steer refers to changes in the vehicleâ€™s toe as its ride height changes, especially when driving over bumps. This is particularly problematic when towing, carrying heavy loads, or using a suspension lift. Excessive bump steer causes premature tire wear, as demonstrated in real-world field tests and R&D.
How Does the Whiteline Steering Knuckle Help?
The Whiteline steering knuckle relocates the tie-rod pickup point to optimize the steering geometry and reduce bump steer across different ride heights. Testing shows a 75% reduction in bump steer when these knuckles are installed in lifted vehicles. When installed in standard-height vehicles, bump steer is reduced to nearly zero.
Combining the KCA514 knuckles with offset upper control arms can reduce bump steer by an additional 10-15%.
Front Steering Knuckle Kit to Suit Isuzu D-Max & MU-X & Mazda BT-50

Boosts handling and performance, while optimising suspension geometry; the perfect, complete upgrade. Includes: 2 Knuckles

In Stock
Ships within 24hrs.
Warranty
3 years warranty or up to 60,000km

Installation Time
4 Hours

Kits Required
1
$1799.60 $1439.68
SKU: W13388 Benefit Note:
Power steering, aggressive wheel alignment geometry, wider wheels and lower profile tyres have all put radically increased loading on the steering systems of modern cars. Add to that engine bay contaminants such as oil leaks that also help to degrade the performance of steering rack mount bushings. Whiteline steering rack mounts are engineered to outlast and enhance steering precision and feedback.
Front Steering Rack and Pinion - Mount Bushing Kit to Suit Holden Colorado, Rodeo and Isuzu D-Max

Built tough for better durability and long-lasting performance; the perfect, complete upgrade. Includes: 5 Bushings & 2 Tubes

In Stock
Ships within 24hrs.

Warranty
lifetime warranty

Installation Time
2 Hours

Kits Required
1
$69.06 $55.24
SKU: W21172 Benefit Note:
Worn or deteriorated link bushings although small can have considerable influence over sway bar performance and more notably vehicle handling behaviour. Whiteline bushings are engineered to last and deliver improved driving performance.
Shock Absorber - Bushing Kit to Suit Various Applications

Built tough for better durability and long-lasting performance; the perfect, complete upgrade. Includes: 4 Bushings

In Stock
Ships within 24hrs.

Warranty
lifetime warranty

Installation Time
1 Hour

Kits Required
1
$24.71 $19.77
SKU: W31062 Benefit Note:
Shock absorber advances and demands for improved travel and load bearing has placed extra importance and stress on shock absorber bushings. Whiteline's superior formulation shock bushings enhance the performance of new and used shock absorbers.
Shock Absorber - Bushing Kit to Suit Various Applications

Creates a consistent drive no matter the surface; the perfect, complete upgrade. Includes: 2 Bushings

In Stock
Ships within 24hrs.

Warranty
10 years warranty

Installation Time
1 Hour

Kits Required
1
$20.90 $16.72