Improve the stability and control of your light truck or van with the ACDelco 525-66 Front Shock Absorber. Designed for commercial or severe applications, these heavy-duty shocks feature an oversized piston bore, bonded iron piston, and compression heads for exceptional durability. Fit and ride tested to ensure compatibility with various vehicles, including Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, and more.Fits what vehicles: 1999-2008 Chevrolet Silverado 2500, 1999-2004 GMC Sierra 2500, 2000-2011 Chevrolet Suburban 2500, 2000-2006 GMC Yukon XL 2500, 2001-2003 Chevrolet Silverado 1500 HD, 2001-2010 Chevrolet Silverado 2500 HD, 2001-2009 Chevrolet Silverado 3500, 2001-2003 GMC Sierra 1500 HD, 2001-2010 GMC Sierra 2500 HD, 2001-2006 GMC Sierra 3500, 2002-2006 Chevrolet Avalanche 2500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2007 Chevrolet Silverado 1500 HD Classic, 2007 Chevrolet Silverado 2500 HD Classic, 2007 Chevrolet Silverado 3500 Classic, 2007-2010 Chevrolet Silverado 3500 HD, 2007 GMC Sierra 1500 HD Classic, 2007 GMC Sierra 3500 Classic, 2007-2010 GMC Sierra 3500 HD
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
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Bonded iron piston and compression head provides exceptional durability
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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
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Specifications
Adjustable:
No
Body Diameter:
2.19
Body Diameter:
55.63
Boot Included:
No
Coil Over Springs Included:
No
Compressed Length:
10.96
Compressed Length:
278.384
Dust Shield:
Yes
Fully Open Length (in):
15.59in
Fully Open Length (mm):
395.986mm
Gas Charged:
No
Height (in):
3.3
Length (in):
20
Lower Mount Type:
Stud
Mounting Hardware Included:
Yes
Programming Required:
No
Shock Absorber Body End Measuring Point:
Center Eye
Shock Absorber Rod End Measuring Point:
Shoulder of Stem
Shock Stroke:
117.6
Travel Length:
117.6
Travel Length:
4.63
Upper Mount Type:
Stud
Weight (lb):
4.68
Width (in):
4.1
Fitment
1999-2008 Chevrolet Silverado 2500 | Position: Front
1999-2004 GMC Sierra 2500 | Position: Front
2000-2011 Chevrolet Suburban 2500 | Position: Front
2000-2006 GMC Yukon XL 2500 | Position: Front
2001-2003 Chevrolet Silverado 1500 HD | Position: Front
2001-2010 Chevrolet Silverado 2500 HD | Position: Front
2001-2009 Chevrolet Silverado 3500 | Position: Front
2001-2003 GMC Sierra 1500 HD | Position: Front
2001-2010 GMC Sierra 2500 HD | Position: Front
2001-2006 GMC Sierra 3500 | Position: Front
2002-2006 Chevrolet Avalanche 2500 | Position: Front
2005-2006 Chevrolet Silverado 1500 HD | Position: Front
2005-2006 GMC Sierra 1500 HD | Position: Front
2007 Chevrolet Silverado 1500 HD Classic | Position: Front
2007 Chevrolet Silverado 2500 HD Classic | Position: Front
2007 Chevrolet Silverado 3500 Classic | Position: Front
2007-2010 Chevrolet Silverado 3500 HD | Position: Front
Discover how to install shocks on most cars and trucks for a smoother, safer, and more enjoyable driving experience. Follow our step-by-step guide and gather the essential tools and materials you'll need.
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
Is It OK To Drive With Bad Struts?
Driving with bad struts is unsafe. Car bounces while driving. Replace them immediately. Shop struts on PartsHawk.com.
How Can I Tell If My Struts Need To Be Replaced?
If your car bounces excessively, experiences poor handling, or has uneven tire wear, you may have bad struts. Check for signs of bad struts like nose dive during braking. Shop for replacement shocks and struts on PartsHawk.com.
What Do Your Struts Do?
Car struts are essential for smooth driving. They support the weight of the vehicle, dampen shocks, and provide stability. Replace worn out struts on a car with quality products from PartsHawk.com.
What Do Your Shocks Do?
Car shocks absorb impact from bumps and uneven road surfaces, improving ride comfort and handling. It's recommended to replace shocks every 50,000 miles for optimal performance. Shop shocks for your car at PartsHawk.com.
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