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Silver cylindrical rear shock absorber with piston rod and mounting eyelets, new condition

Unity

Unity 251130 Rear Shock Absorber

SKU CH-B5CR-SMVDC

Twin-tube gas-charged rear shock absorber replaces OE units on 1997-2009 GM minivans

  • Designed for reliable suspension performance with twin-tube gas-charged construction
  • Direct OE replacement fits 1997–2009 GM minivans including Venture, Montana, Silhouette, Uplander, Terraza, Relay and Aztek
  • Backed by over 50 years of aftermarket manufacturing experience from Unity
  • Engineered for trouble-free installation and long-lasting durability on the road
  • Manufacturer-direct shipping available on qualifying orders over 75

Unity Rear Shock Absorber 251130

This Unity rear shock absorber is a direct replacement for original-equipment units on several GM minivans from 1997 through 2009. It is built for owners and shops restoring ride control on those specific platforms.

Twin-tube gas-charged design

The twin-tube gas-charged construction delivers consistent damping without the fade common in worn hydraulic units. Normal driving stays controlled and quiet because the pressurised gas suppresses aeration in the fluid.

Fits 1997-2009 GM minivan rear only

The catalogue lists Buick Terraza 2005-2007, Chevrolet Uplander 2005-2009, Chevrolet Venture 1997-2005, Oldsmobile Silhouette 1997-2004, Pontiac Aztek 2001-2005, Pontiac Montana 1999-2009, Pontiac Trans Sport 1997-1999 and Saturn Relay 2005-2007. Buyers needing front shocks or a different vehicle must look elsewhere.

Highlights

  • Designed for reliable suspension performance with twin-tube gas-charged construction
  • Direct OE replacement fits 1997–2009 GM minivans including Venture, Montana, Silhouette, Uplander, Terraza, Relay and Aztek
  • Backed by over 50 years of aftermarket manufacturing experience from Unity
  • Engineered for trouble-free installation and long-lasting durability on the road
  • Manufacturer-direct shipping available on qualifying orders over 75

Specifications

BrandUNITY

Questions about this item

How do I install the Unity 251130 rear shock absorber and what step is often missed?

Install it as a direct replacement for the original equipment shock on the listed vehicles; the step often missed is torquing the upper and lower mounting bolts to the vehicle manufacturer's specification after installation.

What maintenance or replacement will the Unity 251130 rear shock absorber need later?

As a sealed twin-tube gas-charged unit it requires no routine maintenance; replacement is needed only when damping performance degrades or fluid leakage appears.

What is the first limit that appears on the Unity 251130 rear shock absorber under sustained use?

The twin-tube gas-charged design will eventually lose damping consistency as the hydraulic fluid aerates during prolonged heavy suspension cycling.

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