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Unity 251400 rear shock absorber, silver metal cylinder with mounting hardware

Unity

Unity 251400 Rear Shock Absorber

SKU CH-HK70-H54V8

Twin-tube gas-charged rear shock absorber replaces OE units on 2002–2013 Cadillac Escalade, Chevrolet Avalanche, Suburban 1500, Tahoe and GMC Yukon models

  • 50 years manufacturing experience for proven durability
  • Twin-tube gas-charged design restores factory ride quality
  • Direct OE replacement ensures trouble-free installation
  • Fits Cadillac Escalade 2002-2013 and Chevrolet Tahoe 2000-2013
  • Fits GMC Yukon 2000-2013 and Chevrolet Suburban 1500 2000-2013

Direct Replacement Rear Shock

The Unity 251400 is a twin-tube gas-charged rear shock absorber designed as a direct OE replacement. It fits 2002-2013 Cadillac Escalade and 2000-2013 Chevrolet Suburban 1500, Tahoe, GMC Yukon and Yukon XL models. Builders restoring ride control on these full-size SUVs will find the correct valving and mounting points already matched to the original suspension geometry. This part is not for vehicles outside the listed fitment range or for front-axle applications.

Bolt-On Installation Fit

The shock uses the factory mounting locations so no fabrication or adapter brackets are required during installation. It frees the technician from sourcing separate bushings or hardware because the unit arrives ready to bolt into the existing control-arm and frame mounts. The gas-charged twin-tube construction is intended to work with the original springs and stabiliser links without re-tuning the rest of the suspension. Shops without specialised suspension tooling can still complete the job with standard hand tools.

Sustained Damping Consistency

Twin-tube gas charging reduces aeration during extended travel over rough pavement or when carrying heavy loads. The design maintains consistent damping force through repeated compression and rebound cycles rather than fading after a few hard hits. This behaviour supports stable handling during long highway trips with a fully loaded 1500-series SUV. The shock is not intended for lifted suspensions, off-road racing or applications that exceed the original equipment stroke limits.

Highlights

  • 50 years manufacturing experience for proven durability
  • Twin-tube gas-charged design restores factory ride quality
  • Direct OE replacement ensures trouble-free installation
  • Fits Cadillac Escalade 2002-2013 and Chevrolet Tahoe 2000-2013
  • Fits GMC Yukon 2000-2013 and Chevrolet Suburban 1500 2000-2013

Specifications

BrandUNITY

Questions about this item

How long does the twin-tube gas-charged design maintain damping control before fade sets in?

Unity's 50 years of aftermarket suspension experience back a twin-tube gas-charged shock built to resist fade and deliver consistent damping over the full service life.

Does the shock run hot or make noise during daily driving on a 1500-series SUV?

The gas-charged twin-tube construction is engineered to dissipate heat quietly, keeping operation smooth and silent on 1500-platform trucks and SUVs.

Which factory mounting points does the 251400 use on a 2002-2013 Escalade or 2000-2013 Suburban?

It installs directly onto the original equipment mounts for 2002-2013 Cadillac Escalade, 2000-2013 Chevrolet Suburban 1500, Tahoe, GMC Yukon and Yukon XL.

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