Unity 13-515500 Air Suspension Shock - Rear

Brand Unity 13-515500
Position Rear
Fits Cadillac · 6 vehicles

OE standards. Built to meet or exceed OEM requirements.

Air shock absorber. Provides air-assisted suspension performance.

Aftermarket expertise. Backed by over 40 years in suspension parts.

$257.86Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Air Suspension Shocks are typically replaced in pairs, axle by axle.
Order total $257.86
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Unity 13-515500 Rear Air Shock Absorber

Unity 13-515500 is a rear air shock absorber for select Cadillac SRX models. It is a direct OE replacement for vehicles equipped with an active magneto-rheological air shock, with fitment covering 2004-2009 Cadillac SRX rear applications.

Key Features

  • Rear air shock absorber for the Cadillac SRX
  • Direct OE replacement for active magneto-rheological air shock applications
  • Built by Unity Automotive, a suspension-focused aftermarket manufacturer
  • Part number 13-515500 for accurate ordering and catalog lookup
  • Fits 2004-2009 Cadillac SRX, rear

Product Details

Unity Automotive has more than 40 years of aftermarket manufacturing experience and a broad suspension catalog with extensive OE-style coverage. The 13-515500 air shock absorber is made for rear suspension service on the Cadillac SRX and follows the original equipment application for vehicles using active magneto-rheological air shock technology. If you are replacing a worn rear air shock on a 2004-2009 Cadillac SRX, this part number provides a direct replacement path.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Uses

  • Rear suspension sag on a Cadillac SRX
  • Loss of ride control from a worn air shock absorber
  • Uneven rear stance caused by suspension wear
  • Noise or harshness from a failing rear shock assembly
  • OE replacement service for active magneto-rheological air shock systems

Installation Notes

Verify rear suspension configuration before ordering. This part is listed for 2004-2009 Cadillac SRX rear applications with active magneto-rheological air shock equipment. Confirm the part number 13-515500 against the original unit and vehicle build details before installation.

Quality Assurance

Unity Automotive states that its aftermarket suspension parts are manufactured to meet or exceed OEM standards. The brand also emphasizes broad suspension coverage and long-term industry experience in OE-style replacement parts.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009CadillacSRXRearActive Mageneto-Rheological Air Shock; Direct OE Replacement
2008CadillacSRXRearActive Mageneto-Rheological Air Shock; Direct OE Replacement
2007CadillacSRXRearActive Mageneto-Rheological Air Shock; Direct OE Replacement
2006CadillacSRXRearActive Mageneto-Rheological Air Shock; Direct OE Replacement
2005CadillacSRXRearActive Mageneto-Rheological Air Shock; Direct OE Replacement
2004CadillacSRXRearActive Mageneto-Rheological Air Shock; Direct OE Replacement