Delphi Suspension Stabilizer Bar Link P/N:TC3888

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$39.99
MPN: TC3888
UPC: 689604327425
Item Package Quantity: 1
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Delphi Suspension Stabilizer Bar Link P/N:TC3888
Delphi Suspension Stabilizer Bar Link P/N:TC3888
$39.99

Keep body roll in check and quiet the rattles from a worn rear suspension with the Delphi Rear Suspension Stabilizer Bar Link TC3888. This rear sway bar link ties the stabilizer bar to the suspension so the bar can resist sway through corners, and it drops in as a direct-fit replacement for the 2016-2020 BMW M2, 2015-2018 BMW M3, and 2015-2020 BMW M4.

Delphi applies its OE engineering to its aftermarket steering portfolio, using dimensional and material analysis to match the aftermarket part to the OE. Each link is validated to the extreme — cold below -40°C, heat above 120°C, and 720 hours of salt-spray exposure.

  • Ultrasonic molding: helps prevent future weld breakage.
  • Fatigue tested: designed to avoid failure.
  • Micron-tolerance machining: for durability and smooth joint operation.
  • Anti-corrosion protection: applied to each part for corrosion prevention and enhanced aesthetics.

Worn links often announce themselves with clunking or rattling over bumps and a knocking noise when cornering. If a failed link is behind those noises, replacing it restores a solid connection between the bar and the suspension. The links work as a left/right pair, so replacing both sides together is good practice for balanced handling and even wear.

Interchange: 33 50 2 284 618 · 101-8073
33502284618 · 1018073 · SL14795 · SL14795PR · MS108233

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

33 50 2 284 618, 101-8073, SL14795, SL14795PR, MS108233

Frequently Asked Questions

Does this Delphi TC3888 fit my BMW?

It's a direct-fit rear sway bar link for the 2016-2020 BMW M2, 2015-2018 BMW M3, and 2015-2020 BMW M4. Check the Buyer's Guide tab to confirm your exact model and year.

What does a rear stabilizer bar link do?

It connects the rear stabilizer (sway) bar to the suspension so the bar can resist body roll through corners, helping keep the vehicle flatter and more stable.

What are the signs a sway bar link needs replacing?

Clunking or rattling over bumps and knocking when cornering are common signs. Diagnose the cause first, since other worn suspension parts can make similar noises.

Should I replace both rear links at the same time?

The links work as a left/right pair, so replacing both sides together is good practice for balanced handling and even wear, even if only one is worn.

How is this Delphi link built for durability?

It uses ultrasonic molding to help prevent weld breakage, is fatigue tested, machined to micron tolerances, and coated for corrosion protection, then validated from below -40°C to above 120°C.