MOOG Chassis Products RK620668 rear left upper control arm with ball joint for the 2002-2005 Ford Explorer and other vehicles links the wheel to the chassis. The ball joint lets the wheel pivot as the suspension moves, and this control arm and ball joint assembly replaces the whole arm in one piece.
- Pre-installed ball joint with a sealed socket for maintenance-free operation
- Optimized rubber bushings for quiet operation and resistance to wear, salt, road grime and oils
- Heat treated for structural strength to inhibit premature failure
- Coated studs inhibit premature deterioration
- Ball stud shaped to ensure fatigue life
Quick facts
- Part: MOOG Chassis Products RK620668 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 2002-2005 Ford Explorer and other vehicles
- Position: Rear left upper
- Material: Forged aluminum
- Condition: New
A worn arm or ball joint can show up as a clunk over bumps, loose or wandering steering, or uneven tire wear. Before you replace this arm, rule out a worn shock or a tired spring, which can bring on a similar clunk or wander.
Fits
As an upper control arm for the 2002-2005 Ford Explorer, it also fits the 2003-2005 Lincoln Aviator and the 2002-2005 Mercury Mountaineer, and each takes one in this position. This listing is one arm for the rear left; the rear right upper arm is a separate part, and the other side of that axle is normally done at the same time.
Specifications
Fit and size
- Position: Rear left upper
- Quantity per vehicle: 1
- Maximum length: 14.84 in
- Ball joint mounting type: Press in
- Ball joint stud type: Threaded
Build and materials
- Type: Control arm with ball joint, not adjustable
- Control arm material: Forged aluminum
- Bushing material: Rubber
- Ball joint: Pre-greased, grease fitting not included
- Condition: New
- Country of origin: China
In the box
One control arm with its ball joint, bushings and mounting hardware. A grease fitting is not included.
Installation notes
- The ball joint arrives pre-greased.
- Precision tolerances are meant to make installation and steering alignment easier.
Interchange: 622.65078 · 521-381 · 502-1229
45D1221 · CB85507PR · CA12204 · 1L2Z5500AC · CB85507 · CMS40126 · MS40126 · 2606013 · 5CB40102 · JTC2597
This part cross-references / interchanges with the following part numbers:
45D1221, 622.65078, 521-381, CB85507PR, CA12204, 1L2Z5500AC, CB85507, CMS40126, MS40126, 2606013, 5CB40102, 502-1229, JTC2597
Frequently Asked Questions
Is the RK620668 a control arm for the 2002-2005 Ford Explorer?
Yes. MOOG Chassis Products RK620668 is a rear left upper control arm for the 2002-2005 Ford Explorer, and that position takes one.
Is this the 2002-2005 Explorer upper control arm for the rear left side?
Yes, it is the rear left upper position. The rear right upper arm is a separate part and is ordered on its own.
Do the bushings and ball joint come with the MOOG RK620668?
Yes. The MOOG RK620668 includes the bushings, the ball joint and mounting hardware. A grease fitting is not included.
What are the arm and bushings made of?
This rear left upper arm is forged aluminum and its bushings are rubber. The ball joint is a press-in type with a threaded stud.
Does the ball joint on this control arm need greasing?
No. The ball joint comes pre-greased with a sealed socket for maintenance-free operation, and no grease fitting is included.
