Delphi TC9020 front left upper control arm with ball joint for the 2021-2025 BMW Alpina XB7 links the steering knuckle to the vehicle body. This Delphi control arm is also called a control arm and ball joint assembly.
- Withstands temperatures below -40 degrees C and over 120 degrees C, and 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 control arm for consistent performance and quality
- Anti-corrosion protection applied to each part
Quick facts
- Part: Delphi TC9020 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 2021-2025 BMW Alpina XB7
- Position: Front left upper
- Condition: New
A clunk over bumps, uneven tire wear or vague steering can mean a worn arm or ball joint. Worn tires or other suspension parts can show up this way too, so pin down the cause first. With the engine off, look for cracks, rust or a torn joint boot, and leave joint play measurements to a shop. Front control arms are normally replaced as a pair; this listing is one arm, for the front left.
Fits
This control arm is a direct-fit replacement for the 2021-2025 BMW Alpina XB7.
Specifications
Fit and size
- Position: Front left upper
- Quantity per vehicle: 1 for this side
Build and materials
- Type: control arm with ball joint
- Condition: New
In the box
One front left upper control arm with ball joint. The front left takes one; the front right is a separate part.
Interchange: 31 10 6 883 831 · CMS101582
This part cross-references / interchanges with the following part numbers:
31 10 6 883 831, CMS101582
Frequently Asked Questions
Is the Delphi TC9020 control arm made for the 2021-2025 BMW Alpina XB7?
Yes, Delphi TC9020 is the front left upper control arm with ball joint for the 2021-2025 BMW Alpina XB7; the front right side is a separate part.
Does the Delphi TC9020 come with the ball joint included?
Yes, the ball joint is part of this front left upper control arm, and the listing holds one arm for that side.
How are the ball studs made on the Delphi TC9020?
On the Delphi TC9020, the ball studs are machined to micron tolerances, which supports durability and smooth joint operation. Each control arm also gets 100% crack and ultrasonic flaw detection.
Could a clunk over bumps mean the ball joint on this control arm is worn?
Yes, it can: a clunk over bumps, uneven tire wear or vague steering can mean a worn joint, and a shop can measure joint play safely.
Is this control arm protected against corrosion?
Yes, anti-corrosion protection is applied to each part, and the arms are exposed to 720 hours of salt spray in testing.
