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  See more parts for Chevrolet Silverado 1500
Select the year of your Chevrolet Silverado 1500:
AC Delco Heavy Duty Rear Shock Absorber - 525-21
ACDelco Specialty Heavy Duty Shocks are specifically designed for commercial or severe application use on light trucks and vans, to help handle heavy loads. Designed to handle the heavy-duty demands of fleet applications, ACDelco Specialty Heavy Duty Shocks respond with stability and control. These shocks feature an oversized (1-5/8 in) piston bore, bonded iron piston and compression heads, large piston and piston rod diameter, and heavy duty arc welded end mounts.

Features:
  • Larger body allows for increased fluid capacity and cooler running for superior performance
  • Bonded iron piston and compression head provides exceptional durability
  • Extra-large 1-5/8 inch piston bore and 9/16 inch piston rod diameter for excellent stability and strength
  • Heavy duty arc-welded end mounts for maximum strength and greater resistance to damage
  • The super finished, chromed, piston rod provides anti-corrosion support, a more consistent wear surface, proper seal lubrication, and longer product life
  • Fit and ride tested to ensure that the shocks will fit intended vehicles and applications
Specifications:
  • Upper Mount Type: Eyelet
  • Compressed Length: 16.05
  • Travel Length: 10.63
  • Width (in): 4.1
  • Weight (lb): 3.4
  • Height (in): 3.3
  • Body Diameter: 2.19
  • Programming Required: No
  • Compressed Length: 410.972
  • Length (in): 20
  • Shock Stroke: 270
  • Fully Open Length (in): 26.68 in
  • Travel Length: 270
  • Body Diameter: 55.63
  • Mounting Hardware Included: No
  • Shock Absorber Body End Measuring Point: Center Eye
  • Shock Absorber Rod End Measuring Point: Center Eye
  • Fully Open Length (mm): 677.672 mm
  • Adjustable: No
  • Lower Mount Type: Eyelet
  • Coil Over Springs Included: No
  • Boot Included: No
  • Dust Shield: Yes
  • Gas Charged: No
Fitment:
  • Chevrolet Silverado 1500 2000-2006
  • Chevrolet Silverado 2500 2000-2007
  • GMC Sierra 1500 2000-2006
  • GMC Sierra 2500 2000-2004
  • Chevrolet Silverado 1500 2001-2006
  • Chevrolet Silverado 1500 HD 2001-2006
  • Chevrolet Silverado 2500 2001-2007
  • Chevrolet Silverado 2500 HD 2001-2006
  • Chevrolet Silverado 3500 2001-2006
  • GMC Sierra 1500 2001-2006
  • GMC Sierra 1500 HD 2001-2006
  • GMC Sierra 2500 2001-2004
  • GMC Sierra 2500 HD 2001-2006
  • GMC Sierra 3500 2001-2006
  • GMC Sierra 2500 HD 2003-2006
  • GMC Sierra 3500 2003-2006
  • Chevrolet Silverado 1500 2004-2006
  • Chevrolet Silverado 2500 2004-2007
  • Chevrolet Silverado 2500 HD 2004-2006
  • Chevrolet Silverado 3500 2004-2006
  • Dodge Ram 1500 2004-2007
  • GMC Sierra 1500 2004-2006
  • GMC Sierra 2500 2004-2004
  • GMC Sierra 2500 HD 2004-2006
  • GMC Sierra 3500 2004-2006
  • Chevrolet Silverado 1500 2005-2006
  • Chevrolet Silverado 1500 HD 2005-2006
  • Chevrolet Silverado 2500 2005-2007
  • Chevrolet Silverado 2500 HD 2005-2006
  • Chevrolet Silverado 3500 2005-2006
  • Dodge Ram 1500 2005-2007
  • GMC Sierra 1500 2005-2006
  • GMC Sierra 1500 HD 2005-2006
  • GMC Sierra 2500 HD 2005-2006
  • GMC Sierra 3500 2005-2006
  • Chevrolet Silverado 1500 2006-2006
  • Chevrolet Silverado 1500 HD 2006-2006
  • Chevrolet Silverado 2500 2006-2007
  • Chevrolet Silverado 2500 HD 2006-2006
  • Chevrolet Silverado 3500 2006-2006
  • Dodge Ram 1500 2006-2007
  • GMC Sierra 1500 2006-2006
  • GMC Sierra 1500 HD 2006-2006
  • GMC Sierra 2500 HD 2006-2006
  • GMC Sierra 3500 2006-2006
  • Chevrolet Silverado 1500 Classic 2007-2007
  • Chevrolet Silverado 1500 HD Classic 2007-2007
  • Chevrolet Silverado 2500 2007-2007
  • Chevrolet Silverado 2500 HD Classic 2007-2007
  • Chevrolet Silverado 3500 Classic 2007-2007
  • Chevrolet Silverado 3500 HD 2007-2007
  • Dodge Ram 1500 2007-2007
  • GMC Sierra 1500 Classic 2007-2007
  • GMC Sierra 1500 HD Classic 2007-2007

Other Part Numbers:
AC Delco #88959128

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Chevrolet Silverado 1500 2000-2007 Base
Chevrolet Silverado 1500 2000-2007 LT
Chevrolet Silverado 1500 2000-2007 LS
Chevrolet Silverado 1500 2002 Custom
Chevrolet Silverado 1500 2002-2007 WT
Chevrolet Silverado 1500 2003-2006 SS
Chevrolet Silverado 1500 2004-2005 Z71 Off-Road
Chevrolet Silverado 1500 2004-2006 Hybrid
Chevrolet Silverado 1500 2007 LTZ
Chevrolet Silverado 1500 Classic 2007 LS
Chevrolet Silverado 1500 Classic 2007 LT
Chevrolet Silverado 1500 Classic 2007 WT
Chevrolet Silverado 1500 Classic 2007 Hybrid
Chevrolet Silverado 1500 Classic 2007 SS
Chevrolet Silverado 1500 HD 2001-2003, 2005 LS
Chevrolet Silverado 1500 HD 2001-2003, 2005-2006 LT
Chevrolet Silverado 1500 HD 2005 Base
Chevrolet Silverado 1500 HD Classic 2007 LT
Chevrolet Silverado 2500 2000-2007 Base
Chevrolet Silverado 2500 2000-2002 Custom
Chevrolet Silverado 2500 2000-2004 LS
Chevrolet Silverado 2500 2000-2004 LT
Chevrolet Silverado 2500 2000-2005 400 SS
Chevrolet Silverado 2500 2000-2002, 2007 Cheyenne
Chevrolet Silverado 2500 2004 WT
Chevrolet Silverado 2500 HD 2001-2006 LS
Chevrolet Silverado 2500 HD 2001-2005 Base
Chevrolet Silverado 2500 HD 2001-2007 LT
Chevrolet Silverado 2500 HD 2003-2007 WT
Chevrolet Silverado 2500 HD 2007 LTZ
Chevrolet Silverado 2500 HD Classic 2007 WT
Chevrolet Silverado 2500 HD Classic 2007 LT
Chevrolet Silverado 2500 HD Classic 2007 LS
Chevrolet Silverado 3500 2001-2004, 2006 HD
Chevrolet Silverado 3500 2001-2007 Base
Chevrolet Silverado 3500 2001-2006 LT
Chevrolet Silverado 3500 2001-2006 LS
Chevrolet Silverado 3500 2004, 2006 WT
Chevrolet Silverado 3500 Classic 2007 LS
Chevrolet Silverado 3500 Classic 2007 WT
Chevrolet Silverado 3500 Classic 2007 LT
Chevrolet Silverado 3500 HD 2007 WT
Chevrolet Silverado 3500 HD 2007 LTZ
Chevrolet Silverado 3500 HD 2007 LT
Dodge Ram 1500 2004-2006 SRT-10
Dodge Ram 1500 2004-2007 SLT
Dodge Ram 1500 2004-2007 Laramie
Dodge Ram 1500 2004-2007 ST
Dodge Ram 1500 2006-2007 TRX4
Dodge Ram 1500 2006-2007 Sport
GMC Sierra 2007 Base
GMC Sierra 1500 2000-2007 SLE
GMC Sierra 1500 2000-2003, 2006-2007 SL
GMC Sierra 1500 2000-2007 SLT
GMC Sierra 1500 2001 C3
GMC Sierra 1500 2002 HT
GMC Sierra 1500 2002-2005 Base
GMC Sierra 1500 2002-2007 WT
GMC Sierra 1500 2002-2007 Denali
GMC Sierra 1500 2005-2006 Hybrid
GMC Sierra 1500 Classic 2007 Hybrid
GMC Sierra 1500 Classic 2007 SL
GMC Sierra 1500 Classic 2007 WT
GMC Sierra 1500 Classic 2007 SLE
GMC Sierra 1500 Classic 2007 Denali
GMC Sierra 1500 Classic 2007 SLT
GMC Sierra 1500 HD 2001-2003, 2005-2006 SLE
GMC Sierra 1500 HD 2001-2003, 2005-2006 SLT
GMC Sierra 1500 HD Classic 2007 SLT
GMC Sierra 1500 HD Classic 2007 SLE
GMC Sierra 2500 2000-2004 SLE
GMC Sierra 2500 2000-2002 SL
GMC Sierra 2500 2000-2004 SLT
GMC Sierra 2500 2002-2004 Base
GMC Sierra 2500 2003-2004 WT
GMC Sierra 2500 HD 2001-2007 SLE
GMC Sierra 2500 HD 2001-2007 SLT
GMC Sierra 2500 HD 2001-2002, 2006 SL
GMC Sierra 2500 HD 2002-2005 Base
GMC Sierra 2500 HD 2003-2007 WT
GMC Sierra 2500 HD Classic 2007 SL
GMC Sierra 2500 HD Classic 2007 WT
GMC Sierra 2500 HD Classic 2007 SLE
GMC Sierra 2500 HD Classic 2007 SLT
GMC Sierra 3500 2001-2006 SLE
GMC Sierra 3500 2001-2006 SLT
GMC Sierra 3500 2001-2002, 2006 SL
GMC Sierra 3500 2002-2005 Base
GMC Sierra 3500 2004-2006 WT
GMC Sierra 3500 Classic 2007 WT
GMC Sierra 3500 Classic 2007 SLE
GMC Sierra 3500 Classic 2007 SLT
GMC Sierra 3500 Classic 2007 SL
GMC Sierra 3500 HD 2007 SLT
GMC Sierra 3500 HD 2007 SLE
GMC Sierra 3500 HD 2007 WT

AC Delco Banner

Who is AC Delco?

AC Delco is a world-renowned company and is considered a premier supplier of Original Equipment parts. The company’s roots can be traced back to more than 100 years. Today, AC Delco has established itself as the global leader when it comes to automotive replacement parts.

Wide Range of Products

AC Delco has one of the most comprehensive parts list available in the market. It has over 90,000 auto parts across 37 product lines and is distributed all over the globe. Over the years, they have built a reputation as the leading source of high-quality auto parts. They have grown into one of the biggest manufacturers and caters to different industries which include the marine and industrial equipment sector.

The company offers various parts such as spark plugs, batteries, oil filters, wiper blades, air filters, and brakes. They also have repair components for radiators, alternators, chassis and vehicle cooling systems.

The Best Only Trusts the Bests

AC Delco has a long-standing partnership with General Motors and has since provided them with top-quality and reliable parts.

Purchase AC Delco Products at Vivid Racing

AC Delco has always been a part of the automotive industry. They are considered as one of the pillars and have played a vital role in helping shape the way we know automobiles today. If you want parts that have passed the test of time, then this is the brand for you. They have been manufacturing parts way before most of us are even born and have always kept that tradition of creating products you can rely on. To know more about AC Delco, visit Vivid Racing and check out their list of products that would fit your needs.





A WHOLE LOT OF PART PROTECTION

Most GM OE and Gold (Professional) lines are covered under a 24-month/unlimited-mile limited warranty and our Silver (Advantage) line limited warranties are 12 months/unlimited miles. Click Here for full warranty details.

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