OE Replacement Front Upper Ball Joint
The front upper ball joint is critical load-bearing component linking your vehicle's upper control arm to the steering knuckle. Serving as a primary pivot point, it allows your front wheels to articulate smoothly over changing terrain while maintaining precise steering angles.
Over time, heavy off-road use, larger tire setups, and everyday mileage wear down the internal joint clearances. A worn=out or loose upper ball joint can cause front-end alignment drift, uneven tire wear, clunking noises, and compromised vehicle handling, Replacing your worn joints with this premium OE-specification assembly restores factory steering crispness, tightens up your front suspension, and ensures long-lasting trail safety.
Features & Engineering
- Precision-Engineered Articulation: Designed to deliver smooth, low-friction rotational and pivoting motion to maximize handling efficiency and ride comfort.
- Severe-Duty Durability: Manufactured with high-strength housing material and a premium dust boot to lock out dirt, wear, and trail debris, extending grease and component life.
- Direct Factory Fitment: Engineered to seamlessly replace OEM Toyota Part number: 43310-39015 with zero modifications required.
Ordering & Fitment Notes
- Sold Individually: This component is sold as each (qty 1). If you are performing a complete front-end overhaul, please update your cart quantity to two (2) to service both the driver and passenger sides.
- Fitment Tip: While this is a highly versatile multi-application part, upper ball joint configurations can vary by exact year and drive type (2WD vs 4WD). We highly recommend verifying your vehicle's specific requirements or confirming with your VIN prior to purchasing.
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- 1995-2004 Tacoma
- 1995-2002 4Runner
- 2000-2006 Tundra
- 2001-2007 Sequoia