Front Left Lower Control Arm with Ball Joint for 2016-2020 Audi A4 & More - Delphi TC3831

Be the first to review this product
$198.99
WARNING:California Proposition 65▾
MPN: TC3831
UPC: 689604403396
Item Package Quantity: 1
Adding to cart… The item has been added

Have questions?

Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC3831
Delphi Suspension Control Arm and Ball Joint Assembly P/N:TC3831
$198.99

Delphi TC3831 front left lower control arm with ball joint for the 2016-2020 Audi A4 and other vehicles links the wheel to the body and pivots as the suspension moves. This control arm and ball joint assembly is made for the front left lower rearward position.

  • Each control arm gets 100% crack detection and ultrasonic flaw detection
  • Ball studs machined to micron tolerances for durable, smooth joint operation
  • Robot-welded control arm for consistent performance and quality
  • Anti-corrosion protection applied to each part

Quick facts

  • Part: Delphi TC3831 control arm with ball joint
  • Also called: control arm and ball joint assembly
  • Fits: 2016-2020 Audi A4 and other vehicles
  • Position: Front Left Lower Rearward

A clunk over bumps, uneven tire wear or a loose steering feel can mean the arm or its ball joint is worn. Sway bar links, tie rods, strut mounts and wheel bearings can be behind those signs too, so find the cause before buying.

Fits

It fits the 2016-2020 Audi A4, the 2018-2026 Audi A5 Quattro and the 2018-2025 Audi S4, along with many other Audi models. If your Audi is not named here, open the Buyer's Guide tab to look up your exact model and engine.

Specifications

Fit and size

  • Position: Front Left Lower Rearward
  • Quantity per vehicle: 1 for this position
  • Sold individually: one arm per listing

Build and materials

  • Type: control arm with ball joint
  • Ball studs: machined to micron tolerances
  • Construction: robot-welded
  • Finish: anti-corrosion protection on each part

In the box

One control arm with ball joint. Replacing the front pair together is the usual approach, but this listing is a single arm: the front left takes one, and the front right is ordered separately.

Interchange: 526-845
8W0 407 693 A · 8W0 407 693 B · KSC4273 · RK623724 · CMS701133 · X01CJ9993

This part cross-references / interchanges with the following part numbers:

8W0 407 693 A, 8W0 407 693 B, 526-845, KSC4273, RK623724, CMS701133, X01CJ9993

Frequently Asked Questions

Is the Delphi TC3831 an Audi S4 control arm for the 2018-2025 model years?

Yes. Delphi TC3831 fits the 2018-2025 Audi S4 at the front left lower rearward position.

Is this DELPHI control arm for the left or right side of a 2018-2026 Audi A5 Quattro?

This arm is the front left lower rearward position, and it fits the 2018-2026 Audi A5 Quattro. The front right side is a separate part.

How much temperature and salt spray testing do Delphi control arms get?

Delphi parts withstand temperatures below -40 degrees C and over 120 degrees C, and they are exposed to 720 hours of salt spray.

What are the signs of a worn lower control arm ball joint?

A clunk over bumps, uneven tire wear or a loose steering feel can come from a worn arm or ball joint. Have it inspected promptly, because it is a steering and suspension part.

Does Delphi TC3831 replace part number 8W0 407 693 A?

Yes. 8W0 407 693 A is one of the numbers Delphi TC3831 is listed as replacing; the others are on the Interchange line.