Delphi TC1391 front right lower control arm with ball joint for the 2006-2010 BMW 550i and other vehicles links the steering knuckle to the car body through a built-in ball joint. This Delphi control arm and ball joint assembly is sold as one piece for the lower forward position.
- Withstands temperatures below -40 degrees C and over 120 degrees C, and is exposed to 720 hours of salt spray in testing
- 100% crack detection and ultrasonic flaw detection on every control arm
- Ball studs machined to micron tolerances for durability and smooth joint operation
- Robot-welded construction for consistent performance and quality
- Anti-corrosion protection applied to each part
Quick facts
- Part: Delphi TC1391 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 2006-2010 BMW 550i and other vehicles
- Position: Front right lower forward
- Condition: New
A clunk over bumps, vague steering or uneven front tire wear can come from a worn arm or ball joint, or from other suspension parts. With the engine off, look the arm and joint over for cracks, bends or heavy rust; a shop can test for play. This listing is one front right arm, and both sides are normally replaced together.
Fits
The 2006-2010 BMW 550i, the 2006-2010 BMW M5 and the 2008-2010 BMW 528i are among the cars this control arm fits, and it fits others as well. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Position: front right lower forward
- Quantity per vehicle: 1
- Sold individually
Build and materials
- Type: control arm with ball joint
- Construction: robot-welded
- Corrosion protection: anti-corrosion protection on each part
- Condition: New
In the box
One control arm with ball joint for the front right lower forward position. This side takes one; the left side is a separate part ordered on its own.
Interchange: 3110 4026 720 · 31 12 4 046 438 · 3112 6760 184 · 3112 6765 996 · 3112 6774 826 · 101-5958 · 102-5958 · 622.3406 · BW-H215 · 520-998 · 507-1370
31102348046 · CB14234 · CB14234PR · CK620126 · K620126 · RK620126 · FA4500 · CMS10113 · GS10113 · MS10113 · JTC1074
This part cross-references / interchanges with the following part numbers:
31102348046, 3110 4026 720, 31 12 4 046 438, 3112 6760 184, 3112 6765 996, 3112 6774 826, 101-5958, 102-5958, 622.3406, BW-H215, 520-998, CB14234, CB14234PR, CK620126, K620126, RK620126, FA4500, CMS10113, GS10113, MS10113, 507-1370, JTC1074
Frequently Asked Questions
Is this the right 2008-2010 BMW 528i control arm for the front right side?
Yes. Delphi TC1391 is listed for the 2008-2010 BMW 528i in the front right lower forward position. The left side is a separate part.
Does Delphi TC1391 include the ball joint, or is it bought separately?
Yes. Delphi TC1391 is a control arm with the ball joint built in, sold as one piece for the front right lower forward position.
How is this front lower control arm protected against rust?
Anti-corrosion protection is applied to each part, and the parts are exposed to 720 hours of salt spray in testing.
Could a knock over bumps or loose steering feel mean this control arm is worn?
It can, if a worn arm or ball joint is the cause. A shop can measure play in the joint and check the arm.
Does Delphi TC1391 replace the number 31102348046?
Yes. 31102348046 is one of the interchange numbers listed for this control arm, so it can be matched to TC1391.
