Delphi TC6788 front right lower control arm with ball joint for the 2016-2020 BMW 740i and other vehicles links the wheel to the chassis and pivots on a ball joint as the suspension moves. This Delphi control arm is supplied as a control arm and ball joint assembly.
- Tested to withstand temperatures below -40 degrees C and over 120 degrees C, with 720 hours of salt spray exposure
- Each control arm undergoes 100% crack detection and ultrasonic flaw detection
- 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 TC6788 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: the 2016-2020 BMW 740i and other vehicles
- Position: Front right lower rearward
- Condition: New
A clunk over bumps, a loose steering feel or uneven tire wear can mean the ball joint or the arm is worn, though a worn stabilizer bar link or tie rod end can cause similar signs, so pin down which part is at fault first.
Fits
This is a direct-fit replacement for the 2016-2020 BMW 740i and the 2016-2019 BMW 750i.
Specifications
Fit and size
- Position: front right lower rearward
- Quantity per vehicle: 1 (this side)
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. This side takes one; the front left is a separate part ordered on its own, and the two sides are normally replaced together.
Interchange: 102-8310 · 527-090 · 102-8119
31 10 6 861 170 · KSC4433 · CMS101599
This part cross-references / interchanges with the following part numbers:
31 10 6 861 170, 102-8310, 527-090, KSC4433, 102-8119, CMS101599
Frequently Asked Questions
Is this the right control arm for the 2016-2020 BMW 740i?
Yes. Delphi TC6788 is the front right lower rearward control arm with ball joint for the 2016-2020 BMW 740i. The left side is a separate part.
Does Delphi TC6788 also fit the 2016-2019 BMW 750i?
Yes. Delphi TC6788 fits the 2016-2019 BMW 750i in the same front right lower rearward position.
Are the welds on this control arm done by hand?
No. Delphi robot-welds its control arms for consistent performance and quality, and each arm also gets 100% crack and ultrasonic flaw detection.
Can I keep driving with a worn ball joint on a lower control arm?
No. A worn ball joint is a steering and suspension problem, so have the car checked and the part replaced promptly instead of driving on it.
Is Delphi TC6788 a replacement for number 102-8310?
Yes. 102-8310 is on the interchange list for Delphi TC6788, so this control arm with ball joint replaces that number.
