Mercedes Sprinter Front Ball Joint – Sidem | NCV3 | #9063330227 (2007–2018)

A worn front ball joint on a NCV3 Sprinter introduces looseness between the steering knuckle and lower control arm — producing a clunking knock over bumps, causing uneven tire wear from misaligned suspension geometry, and in advanced cases allowing the joint to separate and cause sudden and complete loss of front wheel control. This is the Sidem front ball joint for NCV3 Sprinters, a direct replacement that restores the precise pivot point between the steering knuckle and control arm.

What This Part Does

The front ball joint is a spherical bearing assembly that connects the front steering knuckle to the lower control arm, allowing the knuckle to pivot for steering while permitting the up-and-down suspension travel the front axle requires. The joint's hardened steel ball rotates within a lubricated socket, maintaining the precise geometric relationship between the knuckle and control arm that the front suspension geometry is designed around. When the joint's socket wears, its seal degrades and allows contamination to enter, or the grease is depleted, the ball develops play — first detectable as a clunk, then as visible looseness when the wheel is rocked in the vertical plane, and finally as a handling anomaly from changed suspension geometry.

Common Symptoms of a Failing Front Ball Joint

• Clunking or knocking from the front suspension when hitting bumps or turning at low speed
• Steering that wanders or requires constant correction on straight roads
• Uneven or accelerated front tire wear from changed suspension geometry
• Vertical play in the front wheel when rocked at 12 and 6 o'clock positions
• Squeaking from the front suspension during slow parking maneuvers

When to Replace

Replace when vertical play is confirmed in the ball joint, or when the above symptoms are traced to the ball joint location. Always replace ball joints in pairs — left and right — to maintain equal suspension geometry across the front axle. Always perform a wheel alignment after ball joint replacement.

NCV3 Specific — VIN Verification Required

This ball joint is for NCV3 Sprinters. Always verify by VIN before ordering. Contact us and we'll confirm fitment before you buy.

Fitment

• 2007–2018 Mercedes-Benz Sprinter 2500 / 3500 – Front (NCV3/W906)
• 2007–2009 Dodge Sprinter 2500 / 3500 – Front (NCV3)
• 2007–2018 Freightliner Sprinter 2500 / 3500 – Front (NCV3)

✔ Always replace in pairs — left and right front
✔ Always perform wheel alignment after ball joint replacement

Part Numbers

• Mercedes OEM: 9063330227 / A9063330227 / 906-333-02-27
• Manufacturer: Sidem — 50083SID
• SKU: 9063330227S