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Unity front and rear shock absorber, silver metal cylinder with mounting hardware

Unity

Unity Front and Rear Shock 4-22-115000-30-515000-R

SKU CH-PBJ4-J51J9

Front and rear shock conversion kit with coil springs and resistors fits 2002-2006 Cadillac Escalade, ESV, EXT, Chevrolet Avalanche 1500, Suburban 1500, Tahoe, GMC Yukon and Yukon XL 1500

  • Twin-tube gas-charged design replaces air suspension for reliable passive operation
  • Fits Cadillac Escalade, ESV and EXT models from 2002 to 2006
  • Covers Chevrolet Avalanche 1500, Suburban 1500 and Tahoe from 2000 to 2006
  • Compatible with GMC Yukon and Yukon XL 1500 from 2001 to 2006
  • Includes resistors for straightforward electronic integration

Front and Rear Shock Conversion Kit

This Unity front and rear shock kit converts the original air-ride suspension on listed Cadillac, Chevrolet and GMC trucks to a passive twin-tube gas-charged coil-spring setup. It is built for owners who want a more reliable suspension without the complexity of air bags and compressors. The kit includes resistors to prevent dashboard warning lights after the conversion.

Twin-Tube Gas-Charged Coil-Spring Design

The single specification that decides fitment is the twin-tube gas-charged shock with integrated coil spring, which replaces the factory air strut on each corner. This design eliminates the air compressor, lines and height sensors that commonly fail on these vehicles. Buyers who need to retain the original air-ride system cannot use this conversion kit.

Sustained Load Behaviour

Under continuous heavy loading the gas-charged twin-tube shocks maintain consistent damping force because the pressurised gas reduces fluid aeration during repeated compression cycles. The coil spring provides a fixed rate that does not change with vehicle load the way an air spring does. The result is predictable handling and ride height whether the truck is empty or fully loaded for extended periods.

How it compares

Measured against everything we stock in Brake Service Tools & Presses, at today’s prices. Recalculated every night.

Price $155.99
Pricier than about 72% of the 1,702 comparable items (median $86.99).

Specifications

Product
Brand nameUNITY

Questions about this item

How does the twin-tube gas-charged design with coil spring change the ride compared to the original air suspension?

The Elite Suspension Line replaces the factory air ride with a passive twin-tube gas-charged shock and coil spring, eliminating compressor failure and leak points while delivering consistent damping and load support for 1500-series trucks and SUVs.

What electrical interface do the included resistors address when converting from air to passive shocks?

The resistors plug into the vehicle's air-suspension control module to prevent dashboard warning lights and fault codes after the air bags and compressor are removed.

Which mounting points on a 2002-2006 Cadillac Escalade or Chevrolet Suburban 1500 do these front and rear units bolt to?

The kit is engineered as a direct retrofit for the original shock mounts on 2002-2006 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche 1500, Suburban 1500, Tahoe, GMC Yukon and Yukon XL 1500.

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