GM Genuine Parts Premium Monotube Rear Shock Absorber with Upper Mount
OE
Pack of 1

GM Genuine Parts Premium Monotube Rear Shock Absorber with Upper Mount

GM Part #21992495

ACDelco Part #540-521

MSRP$659.14*

GM Genuine Parts Suspension Shock Absorbers are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Pack of 1

About this product

GM Genuine Parts Suspension Shock Absorbers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

Extended Length24.06 in / 611 mm
Lower Mount TypeClevis
Shock Absorber Rod End Measuring PointShoulder of Stud
Shock Absorber Body End Measuring PointCenter Clevis
Body Diameter2.48 in / 63 mm
ClassificationOE
Shock Stroke134.3mm
Travel Length7.65 in / 194.4 mm
Compressed Length16.4 in / 416.6 mm
Weight0.62lb
Boot IncludedYes
Upper Mount TypeStem
Adjustable ReboundNo
Gas ChargedYes
Mounting Hardware IncludedNo

Limited Lifetime Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

ModelBody StyleTrimYear(s)
SRX2004, 2005, 2006, 2007, 2008, 2009