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Parts for your 2008 Toyota Mark x-Suspension bushes
Nolathane Lower Control Arm Inner Rear Bushing Kit - 45853
Fitment Notes:
Nolathane Upper Control arm Inner Rear Bushing Kit - 45844
Fitment Notes:
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2008 Toyota Mark X suspension bushes: what they do and when to replace them
Based on Toyota’s GRX12# Chassis Repair Manual and the Toyota Electronic Parts Catalogue for the 2008 Toyota Mark X (GRX120/GRX121/GRX125), this model absolutely uses suspension bushes. The front double-wishbone and rear multi-link setups rely on a stack of rubber (and sometimes hydraulic) bushes in the control arms, subframe mounts, and stabiliser bar links to control movement and isolate noise and vibration.
On the 2008 Mark X, suspension bushes are the quiet achievers that keep the ride tidy and the steering feel sharp. They cushion metal-to-metal contact, keeping vibration, harshness and road noise out of the cabin while letting the arms and links pivot smoothly. Good bushes help the Mark X track straight, brake consistently, and put its rear-drive balance to work without squirming.
Over time, heat, age, UV, oil contamination and rough roads fatigue the rubber. The tell-tales are pretty familiar:
- Clunks over bumps, vague steering, or a twitchy rear end under throttle or braking
- Uneven tyre wear or wandering on the motorway
- Shudder on take-off or a knock entering driveways
For servicing in Australia or New Zealand conditions, it’s smart to inspect bushes at every regular service (10,000–15,000 kilometres), or any time tyres are replaced or a wheel alignment is performed. A torch and pry-bar check for cracks, splits, excessive compliance or leaking fluid (on fluid-filled/hydraulic types) goes a long way. If one side is worn, replace in pairs to keep handling balanced.
When replacement is due, there are two common pathways:
- Fit complete arms with pre-pressed bushes for a quick, tidy job and consistent factory geometry.
- Press in quality bushes (OE rubber for comfort, performance polyurethane for sharper response with a bit more road feel). A proper press, correct orientation, and torqueing the fasteners at normal ride height are critical to bush life.
After any control arm or subframe bush work, a four-wheel alignment is essential. Expect improved turn-in, straighter braking, and more even tyre wear. Using genuine Toyota or high-quality aftermarket parts that match the GRX12# specification helps maintain that planted Mark X feel. If the car sees harsher roads or spirited weekend drives, scheduling a bush check before long trips can save tyres and protect other suspension components from knock-on wear.
Popular questions about 2008 Toyota Mark X suspension bushes
How long do the Mark X’s suspension bushes typically last?
In normal Aussie and Kiwi driving, factory rubber bushes often last 100,000–180,000 kilometres, but city kerbs, heat, and gravel can shorten that. Go by symptoms and inspection rather than mileage alone, and check them at each service once past 100,000 km.
Do I need a wheel alignment after replacing any bushes?
Yes. Any time control arm or subframe bushes are replaced, a four-wheel alignment should follow. Fresh bushes reset geometry and compliance, so aligning right away protects tyres and restores the Mark X’s stable, direct feel.
Should I choose polyurethane or rubber bushes for a daily-driven Mark X?
For daily use, OE-style rubber keeps noise and vibration low. Polyurethane can sharpen response and last longer, but it may add some road feel and NVH. Many owners run rubber for comfort, with poly in sway bar mounts for a subtle handling lift.
