Delphi Suspension Trailing Arm P/N:TC7173

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$114.99
MPN: TC7173
UPC: 689604349410
Item Package Quantity: 1
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Delphi Suspension Trailing Arm P/N:TC7173
Delphi Suspension Trailing Arm P/N:TC7173
$114.99

Keep the rear end of your Subaru planted with the Delphi Suspension Trailing Arm TC7173 — the Impreza trailing arm that drops in as a direct-fit rear replacement for the 1994-2007 Subaru Impreza, 1998-2008 Subaru Forester, and 1995-1999 Subaru Legacy (see the Buyer's Guide tab for engine specifics). As a rear suspension trailing arm, it locates the wheel and controls its fore-aft movement, helping keep the rear axle aligned and stable. If worn bushings or a failed original arm are behind rear-end looseness or clunking, this replaces the component.

  • Tested for OE performance: withstands temperatures below -40°C and over 120°C, plus 720 hours of salt spray.
  • 100% inspected: crack detection and ultrasonic flaw detection confirm materials match OE specifications.
  • Robot-welded: for consistent performance and quality.
  • Precision ball studs: machined to micron tolerances for durability and smooth joint operation, with anti-corrosion protection applied for corrosion prevention and enhanced aesthetics.

Interchange: 524-449 · 524-768 · 20270 AA001
524449 · 524768 · 20270AA001 · CA72575 · CA72575PR · K201705 · CMS801053 · 20250SA050 · 20270AA080 · 930030926

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

524-449, 524-768, CA72575, CA72575PR, K201705, CMS801053, 20250SA050, 20270 AA001, 20270AA080, 930030926

Frequently Asked Questions

What does this trailing arm do?

It's part of the rear suspension, locating the wheel and controlling its fore-aft movement to help keep the rear axle positioned and stable.

Which Subaru models does the TC7173 fit?

It's a direct-fit rear replacement for the 1994-2007 Subaru Impreza, 1998-2008 Subaru Forester, and 1995-1999 Subaru Legacy. See the Buyer's Guide tab for engine specifics.

Is this a front or rear trailing arm?

Rear. The TC7173 is cataloged as a rear suspension trailing arm.

Will this work as a Forester trailing arm?

Yes. It's designed as a direct-fit rear replacement for the 1998-2008 Subaru Forester among the listed applications.

What are the signs a Subaru Legacy trailing arm may need replacing?

Clunking over bumps, rear-end looseness, uneven tire wear, or cracked/worn bushings. Diagnose the cause first; if the original arm is at fault, this replaces it.