HomeSuspension > Shocks and StrutsUnity 251600 Shock Absorber - Rear
Part #: 251600

Unity 251600 Shock Absorber - Rear

Gas Charged Shock Absorber, Rear
11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Gas Charged Shock Absorber, Rear
Fitment: Buick and Pontiac, Rendezvous and Aztek
Easy Returns — Return within 60 days for a full refund
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Overview of Unity Gas Charged Shock Absorber 251600

The Unity Gas Charged Shock Absorber part number 251600 is designed to restore suspension performance for select Buick and Pontiac vehicles. This economy-grade shock absorber is nitrogen gas charged to provide consistent control and improved response over traditional shocks.

  • Compatible with Buick Rendezvous (2001-2007) and Pontiac Aztek (2001-2007)
  • Compressed length: 11.02 inches
  • Travel length: 4.53 inches
  • Extended length: 15.55 inches
  • OEM collapsed and extended lengths maintained
  • Shock stroke matches OEM specifications
  • Economy product grade for cost-effective suspension repair
  • Nitrogen gas charged for superior damping response

Details on the Unity Gas Charged Shock Absorber Line

The Unity Gas Charged Shock Absorber line features shocks filled with nitrogen gas to reduce aeration and foaming inside the shock body. This technology helps maintain consistent damping performance and vehicle control under various driving conditions. The 251600 shock absorber is part of this line, offering a balance of performance and value for Buick Rendezvous and Pontiac Aztek models from 2001 through 2007.

Product Description and Specifications

This suspension shock absorber is engineered to match OEM specifications for compressed, extended, and travel lengths, ensuring proper fit and function. The compressed length measures 11.02 inches, with a travel length of 4.53 inches and an extended length of 15.55 inches. The shock stroke and collapsed length conform to OEM standards, providing reliable suspension movement and ride quality. The economy grade classification indicates a focus on affordability while maintaining essential performance characteristics.

Common Suspension Issues Addressed

  • Reduced vehicle stability and control due to worn shocks
  • Excessive bouncing or body roll during cornering
  • Uneven tire wear caused by poor shock absorption
  • Increased stopping distances from compromised suspension
  • Noise or vibration from deteriorated shock components

Installation Notes and Tips

  • Verify vehicle compatibility with Buick Rendezvous or Pontiac Aztek models from 2001 to 2007 before installation
  • Inspect mounting hardware and replace if worn or damaged
  • Use proper tools to avoid damage to shock absorber or suspension components
  • Follow manufacturer torque specifications for mounting bolts
  • Test drive vehicle after installation to confirm improved suspension performance

Quality Assurance and Warranty

The Unity Gas Charged Shock Absorber 251600 is manufactured to meet OEM fitment and performance standards. While specific warranty details are not provided, Unity products typically undergo quality control processes to ensure durability and consistent operation. Buyers should consult product documentation or the supplier for warranty information.

This part fits 11 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2007BuickRendezvousRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2006BuickRendezvousRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2005BuickRendezvousRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2005PontiacAztekAWDRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2004BuickRendezvousRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2004PontiacAztekAWDRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2003BuickRendezvousRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2003PontiacAztekAWDRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2002BuickRendezvousRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2002PontiacAztekAWDRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber
2001PontiacAztekAWDRearExcludes Rear Air Leveling System and Electronic Suspension; Gas Charged Shock Absorber

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.