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Guangzhou Fuheng Auto Parts Supply Chain Co., Ltd.
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Rear Upper Control Arm Bushing for Tesla Model S/X (2012-2023) | 1021420-00-ACT
The Silent Guardian of Your Ride’s Smoothness
Why This Bushing Matters for Your Model S/X
Beneath your Tesla Model S or X’s rear suspension lies a small but mighty component: the 1021420-00-ACT rear upper control arm bushing. It’s the unsung hero that connects the rear upper control arm to the chassis, absorbing road shocks, reducing vibrations, and keeping your suspension aligned—all while letting the control arm move freely as you steer, brake, or hit a pothole.
For 2012-2023 Model S and X owners, this bushing is critical. A worn-out one doesn’t just make rides bumpy—it throws off your suspension geometry, leading to sloppy handling, uneven tire wear, and even increased braking distance. Think of it as the “shock absorber” for your suspension’s moving parts: without it, every jolt from the road goes straight into your cabin and your vehicle’s frame.
What It Actually Does (No Tech Jargon)
Shock Absorption: Made from high-grade rubber, it cushions the metal-on-metal contact between the control arm and chassis. When you hit a curb or rough patch, it soaks up the impact so you don’t feel every bump.
Vibration Dampening: Blocks road noise and vibrations from reaching the cabin. A failing bushing lets these vibrations pass through, turning your quiet Tesla ride into a noisy, rattling experience.
Alignment Keeper: Holds the rear control arm in precise position, ensuring your wheels stay properly aligned. No more “drifting” on straight roads or uneven tire tread wear (which costs you in premature replacements).
Flex with Purpose: Flexes just enough to let the control arm move during turns or suspension compression, but stays rigid enough to maintain stability. It’s the balance between flexibility and control.
Signs Yours Needs Replacement
Don’t wait for a breakdown—watch for these red flags:
Clunking/creaking noises: A “knock” or “squeak” from the rear when turning, braking, or going over bumps. This is the sound of worn rubber letting metal parts grind together.
Loose handling: Your Model S/X feels “wobbly” on the highway, or takes longer to steady after a turn. The bushing can’t keep the control arm stable anymore.
Uneven tire wear: Bald spots on the inner or outer edges of your rear tires. Misalignment from a bad bushing forces tires to drag at an angle.
Vibration in the cabin: Rattling or buzzing felt through the seats or steering wheel, even on smooth roads. The bushing isn’t blocking road vibrations like it should.
Built to Outlast the Road
Feature
Specification
Part Number
1021420-00-ACT
Compatibility
2012-2023 Tesla Model S; 2015-2023 Tesla Model X (all trims)
Material
Reinforced ethylene propylene diene monomer (EPDM) rubber with steel core
Hardness Rating
70 Shore A (optimized for Tesla’s suspension load)
Temperature Resistance
-40°F to 248°F (-40°C to 120°C)
Wear Resistance
Tested to 100,000+ miles of simulated road use
Warranty
2-year limited warranty (covers cracks, tears, or premature wear)
Why It’s Better Than Aftermarket Junk
Cheap bushings use soft rubber that wears out in 20k miles—this one is built for Tesla’s weight and performance:
Tesla-Calibrated Rubber: The EPDM compound is engineered to handle the weight of Model S/X (up to 5,500 lbs). It won’t compress or crack under heavy loads, unlike generic bushings.
Steel Core Reinforcement: A rigid steel inner sleeve prevents the bushing from deforming under stress, keeping your control arm aligned for longer.
Weatherproof: Resists oil, road salt, and UV damage—critical for rear suspension parts exposed to slush, rain, and debris.
Drop-In Fit: Exact dimensions match your original bushing, so installation requires no trimming or modification.
Installation & What You Get
1x Rear Upper Control Arm Bushing (1021420-00-ACT)
Installation guide with torque specs (85 Nm for mounting bolts)
Pro tip: Most mechanics recommend replacing bushings in pairs (left and right) for balanced performance—add two to your cart!
Note: Professional installation recommended. Requires a press tool to remove the old bushing and seat the new one properly—critical for avoiding premature failure.
Don’t Let a Small Part Ruin Your Ride
A worn bushing turns your Tesla’s smooth ride into a chore. This one brings back that “like new” feel, with tight handling and quiet cabins.
Click “Add to Cart” to restore your suspension’s performance. Ships worldwide in 48 hours with tracked delivery.
Company Profile
Guangzhou Fuheng Auto Parts Supply Chain Co., Ltd., located in the Guangzhou auto parts business district, adheres to the business philosophy of "quality first, pragmatic innovation, service-oriented, and co creation and win-win", and has estab... Company Profile
Guangzhou Fuheng Auto Parts Supply Chain Co., Ltd., located in the Guangzhou auto parts business district, adheres to the business philosophy of "quality first, pragmatic innovation, service-oriented, and co creation and win-win", and has estab...
