Delphi TC9021 front right upper control arm with ball joint for the 2021-2025 BMW Alpina XB7 links the front right wheel hub to the body and guides the wheel as the suspension moves. This Delphi control arm, also called a control arm and ball joint assembly, has the ball joint built in.
- Tested to withstand temperatures below -40 degrees C and over 120 degrees C and 720 hours of salt spray
- 100% crack detection and ultrasonic flaw detection on each control arm
- Ball studs machined to micron tolerances for durability and smooth joint operation
- Robot welding for consistent performance and quality
- Anti-corrosion protection applied to each part
Quick facts
- Part: Delphi TC9021 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 2021-2025 BMW Alpina XB7
- Position: Front Right Upper
- Condition: New
A clunk or knock from the front suspension over bumps, loose steering feel or uneven tire wear can point to a worn arm or ball joint, though other worn suspension parts can give similar symptoms. Before replacing it, look over the visible arm and boot with the engine off, and have a shop check the joint for play.
Fits
It fits the 2021-2025 BMW Alpina XB7, which takes one on the front right. Front arms are normally replaced as a pair, but this listing is a single arm; the front left is a separate part.
Specifications
Fit and size
- Position: Front right upper
- Quantity per vehicle: 1
- Sold individually: one arm per listing
Build and materials
- Type: control arm with ball joint
- Welding: robot welded
- Finish: anti-corrosion protection
- Condition: New
Interchange: 31 10 6 883 832 · CMS101583
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
31 10 6 883 832, CMS101583
Frequently Asked Questions
Does the Delphi TC9021 fit the 2021-2025 BMW Alpina XB7 on the front right?
Yes. Delphi TC9021 is the front right upper control arm with ball joint for the 2021-2025 BMW Alpina XB7, and that car takes one in this position.
How is the Delphi TC9021 tested for temperature and corrosion?
Its parts withstand temperatures below -40 degrees C and over 120 degrees C and are exposed to 720 hours of salt spray. Anti-corrosion protection is applied to each part.
How tightly are the ball studs on this upper control arm machined?
The ball studs are machined to micron tolerances for durability and smooth joint operation. The arm itself is robot welded for consistent quality.
Could a clunk over bumps come from the ball joint on this front right upper control arm?
Yes, a worn ball joint can be one source of a clunk or knock from the front suspension, along with loose steering feel or uneven tire wear. A shop can confirm the actual cause.
Is 31 10 6 883 832 a cross-reference for the Delphi TC9021?
Yes. 31 10 6 883 832 is listed as an interchange number for Delphi TC9021, along with CMS101583.
