352800 90468598 PSC04012M Ball Joint

Product Description

Ball Joint 352800

The ball joint is a vital pivot point in your vehicle's front suspension, connecting the control arm to the steering knuckle. It allows your wheels to move up and down while turning left and right. When the ball joint wears out, it creates play in the suspension, leading to clunking noises, poor handling, and uneven tire wear. Our replacement ball joint is manufactured from high-strength materials with precision-ground ball pins for smooth articulation and long service life.

Heavy-Duty Pneumatic Architecture: Designed for commercial chassis applications with a working pressure range of 5–12 bar, supporting axle loads up to 2,500 kg per spring.

Aramid-Reinforced Rubber Compound: The bellow incorporates aramid fiber plies-the same material used in bulletproof vests-providing exceptional burst resistance and dimensional stability under sustained high pressure.

Rolling Piston Geometry: Optimized rolling lobe contour reduces internal friction during compression and rebound, improving ride smoothness and reducing air consumption by up to 15% compared to conventional designs.

Stainless Steel End Fittings: Equipped with corrosion-resistant 304-grade stainless steel mounting plates and air inlet ports, eliminating electrolytic corrosion between dissimilar metals.

100% Leak-Tested: Each unit undergoes a helium leak detection test at 1.5× working pressure to guarantee a leak rate of less than 0.5 cc/min.

Rubber Bellows: A durable, multi-ply rubber bellows that contains the compressed air.

Piston Base: Die-cast aluminum with a polished rolling surface and integrated bump-stop for end-of-travel cushioning.

Top & Bottom Closure Plates: Stainless steel stampings with captive O-ring seals and threaded air ports (M8 or 1/8" NPT).

Protective Sleeve: Optional accordion-style polyurethane gaiter for severe-environment applications (check variant).

• Safety First: Always support the vehicle on jack stands and chock the rear wheels before starting work.
• Inspection: Before installation, inspect the ball joint mounting hole on the control arm or steering knuckle for damage or corrosion.
• Torque Specification: Tighten the retaining nut to the manufacturer's specified torque for your specific vehicle. Always verify torque values with a factory service manual.
• Critical Step: Ensure the ball joint stud is fully seated in the steering knuckle before tightening the nut.
• Post-Installation: A professional wheel alignment is MANDATORY after replacing any ball joint to ensure proper tire wear and straight-line tracking.
• Replace in Pairs: It is highly recommended to replace ball joints in pairs (both left and right sides) for balanced handling.

• Always depressurize the air system completely (0 bar gauge pressure) before disconnecting any lines-residual pressure can cause dangerous projectile ejection.
• Inspect the chassis mounting brackets for corrosion or pitting; damaged brackets can cause misalignment and premature bellow wear.
• When installing, ensure the air port orientation aligns with the vehicle's supply line without twisting the bellow-twisting reduces service life by up to 40%.
• After installation, perform a leak-down test: inflate to working pressure, wait 5 minutes, and observe pressure loss. A drop exceeding 0.2 bar indicates a leak requiring re-torquing of fittings.
• If the vehicle is equipped with a leveling valve, recalibrate the linkage to the new spring's installed height following the manufacturer's procedure.

Product Packaging

Each control arm is carefully packaged to ensure its arrival intact:

Protective Packaging: The control arm is first wrapped in a moisture-proof bag to prevent corrosion during storage and transportation. This protects the metal surface from moisture and humidity.

Foam Lining: This foam acts as a shock absorber, cushioning the control arm from impacts and vibrations during transportation.

Sturdy Carton: The control arm is placed in a high-quality corrugated carton, with foam padding filling the gaps to ensure a tight fit and prevent movement within the packaging.

Carton Labeling: Each carton is labeled with the product's original manufacturer's number, barcode, and basic product information for easy identification.

Shipping Information

International Shipping: We ship worldwide through experienced and reliable freight companies specializing in automotive parts. International shipping times vary depending on the destination and the chosen mode of transport.

Bulk Orders: For wholesale or bulk orders, we offer pallet shipping options. We can calculate the approximate number of control arms that a standard 20ft, 40ft container, or 40ft high cube (40HQ) container can accommodate, thus optimizing shipping costs.

Shipping Insurance: We recommend purchasing shipping insurance for all orders to protect goods from loss or damage during transit.

Receiving and Inspecting Goods: Please inspect the package immediately upon receipt. If there is any damage to the outer packaging, please take photos before opening and contact us immediately.

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