General

Some vehicles have a story behind them. Others have several.

This Land Rover Defender 130 started life as a Royal shooting vehicle before eventually finding a new purpose as a capable overland build. Today, it belongs to our long-standing distributor, LR Centre, who approached us with an idea: document the installation of a complete Polybush suspension overhaul while showcasing one of the most interesting Defenders in their collection.

Working alongside Fraser from LR Centre’s marketing team, we put together a project that would not only improve the vehicle’s suspension performance but also provide a useful fitting guide for Land Rover enthusiasts looking to upgrade their own Defender.

A Defender 130 With History

The Defender 130 has always occupied a unique position within the Land Rover range. Offering increased load capacity and wheelbase length over the Defender 90 and 110, the 130 has become a favourite among expedition builders, commercial operators and enthusiasts looking for a practical long-distance touring vehicle.

This particular example has an even more unusual history.

Originally commissioned as a Royal shooting vehicle, it was built to support countryside estate duties before eventually transitioning into civilian ownership. Over time, it has been transformed into a well-equipped overland vehicle, ready for adventure while retaining the character and heritage that make older Defenders so appealing.

Like many classic Land Rovers, however, years of use inevitably take their toll on suspension components.

Why Replace Defender Suspension Bushes?

Suspension bushes are one of the most overlooked wear items on any Land Rover.

As original rubber bushes age, they begin to soften, crack and deteriorate. This can lead to vague steering, increased suspension movement, poor axle control and unwanted noise or vibration.

For a vehicle designed to travel long distances both on and off-road, maintaining proper suspension geometry and axle location is essential.

That’s where Polybush comes in.

The Complete Polybush Installation

For this project, we supplied a comprehensive range of suspension components covering virtually every major bush location on the vehicle.
The installation included:

Kit 1

• Front Radius Arm to Axle Bushes (1A)
• Rear Radius Arm to Axle Bushes (1C)
• Panhard Rod Bushes (1D)
• Rear Radius Arm to Chassis Bushes (1G)
• Front Radius Arm to Chassis Bushes (1H)

Swapped / Additional Components

• Bonded Rear Radius Arm to Chassis Bushes (1AV)
  https://www.polybush.co.uk/product/1av/
• Bonded Panhard Rod Bushes (1BA)
  https://www.polybush.co.uk/product/1ba/
• Exhaust Mount (1DK)
  https://www.polybush.co.uk/product/1dk-dynamic/

Of particular interest were the uprated bonded bushes fitted to both the panhard rod and rear radius arm locations, helping to maintain precise axle control while retaining the compliance required for comfortable road use – We developed these for the Military many years ago and thought, what a perfect vehicle to use them on, being that it’s top-heavy.

Why Choose Polybush for a Defender 130?

Land Rover owners often face a choice between standard replacement rubber bushes and polyurethane alternatives.
At Polybush, our products are engineered specifically to offer the benefits of polyurethane without the drawbacks often associated with traditional rubber bushes.

Longer Service Life

Unlike rubber, Polybush polyurethane bushes are highly resistant to oil contamination, road grime, UV exposure and age-related degradation.

Improved Steering Response

Reducing unwanted flex allows suspension components to work more effectively, helping maintain accurate steering and stable handling.

Comfort Remains a Priority

Our unique polyurethane formulation is designed to improve control without introducing excessive harshness into the ride.

No Grease Required

Unlike many polyurethane bushes on the market, Polybush products are designed to be fitted dry. There is no requirement for greasing and no risk of grease attracting dirt or causing future maintenance headaches.

Manufactured in the UK

Every Polybush component is manufactured in Britain using our proprietary polyurethane formulations and produced under ISO 9001-accredited quality systems.

Working with LR Centre

One of the most enjoyable aspects of this project was collaborating with the team at LR Centre.

As one of our trusted distributors and genuine Land Rover enthusiasts, they understand exactly what owners expect from their vehicles. Their Defender 130 provided the perfect platform to demonstrate both the installation process and the benefits of a complete suspension refresh.

Special thanks must also go to Fraser, whose enthusiasm for the project helped bring everything together. From planning the content through to documenting the vehicle’s history and overseeing production, his involvement ensured we could tell the story behind the Defender as well as the technical side of the upgrade.

The Result

Following the installation, the Defender retained everything that makes a classic Land Rover enjoyable while benefiting from improved suspension control, sharper steering feel and the confidence that comes from replacing decades-old suspension components.

For owners restoring a Defender, preparing an overland build or simply maintaining a cherished Land Rover, replacing worn suspension bushes remains one of the most effective upgrades available.

This project serves as a reminder that sometimes the best vehicles are those with a story to tell — and this ex-Royal Defender 130 certainly has plenty of stories left in it.
Watch the full installation video to see the complete Polybush upgrade and learn more about this remarkable Land Rover Defender 130 overlander.

If you’re searching for:

• Front suspension knocking noise
• VW Golf wishbone bush failure
• Audi A3 rear control arm bush symptoms
• Skoda Octavia knocking when braking
• Seat Leon vague steering
• 1K0407183P bush replacement
• 5Q0407183D wishbone bush
• Front lower arm rear bush failure

Then you’re looking at one of the most common suspension problems found across modern Volkswagen Group vehicles.

The front wishbone rear bush is a known wear item on many Audi, Volkswagen, Seat and Skoda models. As the original rubber bush ages and deteriorates, it can cause a surprising number of handling and suspension issues that many owners mistakenly diagnose as worn shock absorbers, track rod ends or wheel alignment problems.

The good news? It’s often a relatively straightforward repair that can completely transform the way the vehicle drives.

What Are the Symptoms of a Failed Front Wishbone Rear Bush?

Most drivers notice the problem gradually.

The car doesn’t suddenly break down. Instead, it starts to feel less precise and less stable than it did when it was new.

Common symptoms include:

Knocking From the Front Suspension

A dull knock or clunk when:

• Driving over potholes
• Crossing speed bumps
• Pulling onto a driveway
• Braking at low speed

Because the rear bush controls the movement of the wishbone, excessive play often creates noises that seem to come from multiple areas of the suspension.

Vague or Wandering Steering

Does your car feel like it needs constant correction on the motorway?

A worn rear wishbone bush allows the wheel alignment to change slightly under load, making the steering feel less direct and predictable.

Many owners describe it as:

• Floating steering
• Loose front end
• Wandering on uneven roads
• Reduced cornering confidence

  

Vehicle Pulling Under Braking

One of the clearest signs of rear wishbone bush wear is instability when braking.

As the bush softens or tears, the wheel can move rearwards under braking loads.

This can create:

• Steering wheel movement during braking
• Vehicle drift
• Reduced directional stability
• Uneven braking feel

Uneven Tyre Wear

When suspension geometry is no longer held accurately, tyres often begin wearing unevenly.

Replacing tyres without fixing the worn bush usually means the problem returns.

Why Does the Front Wishbone Rear Bush Fail?

The simple answer is that rubber wears out.

The original bush is designed to isolate vibration and provide comfort, but over time it is subjected to:

• Constant braking forces
• Cornering loads
• Road impacts
• Heat cycles
• Oil contamination
• Road salt and dirt

Eventually, the rubber begins to crack, soften or separate from its outer housing.

Once this happens, the wishbone can move more than it should.

That movement is what creates the knocking, instability and vague steering that many drivers experience.

The OEM Bushes Most Commonly Replaced

Owners often search for the following OEM part numbers when diagnosing suspension problems:

• 1K0 407 183 P
• 1K0 407 183 M
• 5C0 407 183 A
• 5Q0 407 183 D
• 5Q0 407 183 E
• 5Q0 407 183 J

These bushes are fitted across a huge range of Volkswagen Group vehicles and are one of the most frequently replaced suspension components as mileage increases.

Why Simply Replacing Rubber Isn’t Always the Best Solution

Many owners replace worn bushes with standard rubber replacements only to face the same failure again several years later.

The reality is that rubber remains vulnerable to:

• Age-related cracking
• Oil contamination
• UV exposure
• Repeated loading
• Environmental deterioration

For drivers intending to keep their vehicle long-term, a more durable material makes sense.

The Long-Term Solution: Polybush 44EX

Polybush 44EX has been developed as a direct replacement for the original front wishbone rear bush used across many Audi, Volkswagen, Seat and Skoda models.

Manufactured in the UK using Polybush’s proven polyurethane formulation, it is designed to provide long service life whilst maintaining everyday ride comfort.

Front Wishbone Rear Bush – Audi | Seat | Skoda | VW

Benefits of Polybush 44EX

– Direct replacement for OEM bushes

– Longer lasting than traditional rubber

– Improved steering response

– Reduced suspension deflection under braking

– Resistant to oil, chemicals and road contamination

– No grease required

– No squeaking

– Manufactured in the UK

– ISO 9001 quality assured

Unlike conventional rubber bushes, polyurethane does not suffer from the same rapid age-related deterioration, making it an ideal upgrade for daily drivers, performance vehicles and high-mileage cars alike.

Vehicles Covered by Polybush 44EX

This bush fits a wide range of popular Volkswagen Group models, including:

Audi

• Audi A3 8V
• Audi A3 8Y
• Audi Q2
• Audi Q3
• Audi Q3 Sportback

Volkswagen

• VW Golf Mk7
• VW Golf Mk8
• VW Passat B8
• VW Tiguan
• VW Tiguan Allspace
• VW Arteon
• VW Touran
• VW T-Roc
• VW Caddy 3.5
• VW Caddy 4

Seat

• Seat Leon Mk3
• Seat Leon Mk4
• Seat Ateca
• Seat Tarraco

Skoda

• Skoda Octavia Mk3
• Skoda Octavia Mk4
• Skoda Superb Mk2
• Skoda Superb Mk3
• Skoda Karoq
• Skoda Kodiaq
• Skoda Scala
• Skoda Yeti

Is Your Front Wishbone Rear Bush Starting to Fail?

If your vehicle has developed a front suspension knock, vague steering, instability under braking or uneven tyre wear, the front wishbone rear bush should be one of the first components inspected.

It’s one of the most common suspension failure points across the VW Golf, Audi A3, Skoda Octavia, Seat Leon, Tiguan and related models.

Replacing worn bushes with Polybush 44EX not only restores handling and stability but also helps prevent the same problem from returning in the future.

Polybush 44EX Front Wishbone Rear Bush

OEM References:
1K0407183P, 1K0407183M, 5C0407183A, 5Q0407183D, 5Q0407183E, 5Q0407183J

Kit Contents:
2 x Polyurethane Bushes

In Stock | Fast Dispatch | Manufactured in the UK

Upgrade one of the most common suspension failure points with a long-lasting Polybush solution.

If you’ve driven a Nissan Primastar, Renault Trafic, or Vauxhall Vivaro X83 for any length of time, you’ll know they’re solid, dependable vans… but they do start to feel tired at the rear axle once the original rubber bushes wear out. (we also make the front Subframe Bushes – Here)

It’s one of those jobs that creeps up gradually. A bit of rear-end movement here, a vague feeling on the motorway there, maybe even a knock over sharp bumps. Most owners don’t immediately suspect the rear axle bushes – but they’re often the culprit.

That’s exactly what the Polybush 47H rear axle bush kit is designed to address.

Why the rear axle bushes matter

The rear axle bushes sit between the axle beam and the vehicle chassis. Their job is simple in theory: control movement while isolating vibration.

Over time, the factory rubber bushes degrade due to:

• Road salt and grime
• Constant load stress (especially on vans)
• Oil contamination
• Age-related cracking and softening

Once that happens, the axle can shift more than it should. That leads to:

• Rear-end instability
• Wandering at speed
• Clunks or knocks under load changes
• Uneven or vague handling

On a fully loaded commercial van or camper conversion, the symptoms can feel even more pronounced.

Why upgrade to Polybush 47H?

The Polybush 47H bush set replaces the original rubber bushes with a precision-engineered polyurethane alternative designed specifically for this X83 platform.

Unlike standard rubber, polyurethane is far more resistant to deformation under load, which means the axle stays better controlled without introducing harshness.

Rear Axle Bush – Nissan | Opel | Renault | Vauxhall

Key benefits include:

• Reduced unwanted axle movement
• Sharper, more predictable handling
• Long-term durability compared to rubber
• Resistance to oil, road grime and weathering
• Maintains a compliant, road-friendly ride quality
• Dry-fit design – no grease, no squeaks, no mess

It’s a proper “fit and forget” upgrade, which is exactly what most van owners are after.

Fitment coverage

This set (Part Number 47H) fits:

• Nissan Primastar X83 (2002–2014)
• Opel Vivaro A Mk1 X83 (2001–2014)
• Vauxhall Vivaro A Mk1 X83 (2001–2014)
• Renault Trafic Mk2 X83/JL (2001–2014)

OEM cross references include:
91165701, 93856473, 4412907, 4417121, 8200431675, 8200039132, 55466-00QAA

What the fitting video shows

In the accompanying fitting video, we walk through the installation of the Polybush 47H rear axle bushes on the X83 platform.

The focus is on:

• Removing the worn factory rubber bushes
• Preparing the axle mounting points
• Installing the polyurethane replacement bushes
• Ensuring correct seating and alignment
• Highlighting how the new bushes change axle control

Even if you’re not doing the job yourself, the video is useful for understanding what’s involved and what a proper installation should look like.

Who this upgrade is ideal for

This isn’t a “performance mod” – it’s a practical upgrade for real-world vehicles.

It’s especially relevant for:

• High-mileage vans
• Fleet vehicles
• Camper conversions
• Towing and heavy-load use
• Drivers experiencing rear-end instability

If your van feels like it’s not quite as tight as it used to be, this is one of the first areas worth inspecting.

Final thoughts

Rear axle bushes are often overlooked, but they play a massive role in how stable and controlled a van feels on the road.

The Polybush 47H offers a long-term solution that restores control without sacrificing comfort – making it a smart upgrade for anyone running the X83 platform seriously, whether for work or travel.

If you want to improve handling, reduce rear-end movement, and avoid replacing worn rubber again in a few years, this is one of the most effective upgrades you can make.

Need Subframe Bushes?

Stop Front End Knocking On Vivaro & Trafic – Subframe Bush Failure

If you’re looking up how to fit rear axle bushes on a Ford Fiesta Mk7, the good news is — it’s a lot easier than most people expect.

With the right parts, this isn’t a drawn-out job:

• Old bushes come out easily (often with a single sharp hit)
• New bushes go in by hand
• A mechanic can comfortably do the job in under 30 minutes

Fiesta Mk7 Rear Axle Bush Fitting Video

Removing the Original Bushes

This is usually where people expect trouble — but on these cars, it’s often straightforward.

In many cases:

• The rubber has already deteriorated
• The bond to the outer sleeve is weak

One solid hit with a hammer and the bush comes free

No complicated tooling, no fighting seized components — just get the beam supported and knock them out cleanly.

Installing the New Bushes

This is where the job becomes simple.

Rear Axle (Beam) Bush – Ford | Mazda – Fiesta Mk7

Polybush 40BR Rear Axle Bush Set

• One-piece polyurethane design
• Push-fit installation
• No press required
• No grease required

You simply:

• Push the bushes into place by hand
• Tap home with a hammer
• Insert the stainless sleeve

That’s it. No pressing, no lubrication, no hassle.

Why Most People Fit Polybush 40BR

If you’re already doing the job, it makes sense to fit something that lasts.

Polybush 40BR has become the mechanics’ go-to choice because:

• Faster to fit than standard rubber bushes
• Longer lasting – won’t crack, split or degrade like rubber
• Improves rear-end stability without affecting comfort
• Dry-fit design – no grease, no squeaks

It’s a simple upgrade that saves you from doing the same job again; That’s what you want. A fit & forget solution.

Vehicle Fitment

Fits:

• Ford Fiesta Mk7 (2008–2019, including ST)
• Ford B-Max (2012–2017)
• Ford EcoSport (2014–2023)
• Mazda 2 (2007–2015)

Final Word

Replacing rear axle bushes on a Fiesta Mk7 doesn’t need to be a long, difficult job.

• Removal is quick
• Installation is straightforward
• And with Polybush 40BR, it’s a fit-and-forget solution

If you want to see exactly how it’s done, the video above walks through the process step by step.