Whiteline Performance Rear Axle Control Arm Upper - Inner Bushing Kit W62989 - 350Z
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$180.00
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Whiteline Performance Rear Axle Control Arm Upper - Inner Bushing Kit - 350Z
W62989
The rear upper control arm inner bushings govern rear camber under load, when they wear, camber shifts unpredictably through corners and under braking, taking tyre wear and rear stability with it. The Whiteline W62989 replaces all four bushings with advanced synthetic elastomer that locks geometry back in and keeps it there.
The rear upper arm carries significant camber load every time the suspension moves. Worn inner bushings let the arm flex where it shouldn't, and no alignment can compensate for bushings that move under load.
Engineered specifically for the rear axle upper control arm inner positions across the 350Z, 370Z, and the full Z/Skyline/Stagea family, this kit replaces all four inner bushings, both arms, both sides, in one go. Whiteline's synthetic elastomer compound delivers the compliance of rubber at low loads with genuine rigidity under cornering, braking, and acceleration. Backed by a lifetime warranty.
Bush specifications
Outer diameter
35 mm
Shell OD (A)
Inner diameter
19 mm
ID (B)
Length
51 mm
Body length (C)
Tube size: 19 x 12.2 x 49.5mm · Position: rear axle, upper control arm, inner (both sides — 4 bushings total)
Kit contents
Shell bushings
4x · Type 16 synthetic elastomer
Tubes
4x · 19 x 12.2 x 49.5mm
LM grease
Molybdenum disulphide — included
Installation guide
Included
What it does for your car
- Restores rear camber control, eliminates geometry shift that builds up as OEM rubber degrades
- More consistent, predictable rear-end feel through corners and under load
- Improved braking stability, rear arm stays where it's supposed to under hard stops
- Reduced uneven rear tyre wear caused by camber drift under cornering and braking
- Synthetic elastomer is compliant at low loads, firms up under cornering and braking pressure
- Superior resistance to oil, grease, ozone, and weathering vs OEM rubber
- Internal grease reservoirs for continual self-lubrication, quiet and maintenance-free
- Specially bonded shell design for high load-bearing strength and long service life
Installation
Estimated time
~3 hours
Difficulty
DIY — specialist tools needed
Wheel alignment
Required after fitment
Press tool required. Bushing installation requires a press. Whiteline recommends using the WTK001 Press In/Out Kit with the specified sleeves and plates for correct fitment (M12 threaded rod). Professional installation recommended if you don't have access to a press.
Fitment
• Nissan 350Z Z33 · 2003–2009 (all variants)
• Nissan 370Z Z34 · 2009–2020 (all variants)
• Nissan Z RZ34 · 2022+
• Infiniti G35 · 2002–2007
• Infiniti G37 · 2008–2013
• Nissan Skyline V35 · 2001–2007
• Nissan Skyline V36 · 2006–2015
One of the most impactful rear bushing replacements on the Z and Skyline platform — four bushings, both upper arms, done in one kit. Pair with W62999 (rear lower front outer), W62535 (rear lower rear outer), and W63625 / W63626 (lower inner positions) for a complete rear suspension bushing overhaul.
