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2003-2008 Isuzu Ascender Rear Air Suspension Conversion Kit (GB1R0)
2003-2008 Isuzu Ascender Rear Air Suspension Conversion Kit (GB1R0)
2003-2008 Isuzu Ascender Rear Air Suspension Conversion Kit (GB1R0)
2003-2008 Isuzu Ascender Rear Air Suspension Conversion Kit (GB1R0)

2003-2008 Isuzu Ascender Rear Air Suspension Conversion Kit (GB1R0)

The 2003-2008 Isuzu Ascender Rear Air Suspension Conversion Kit (GB1R0) is the perfect solution to your air suspension problems. Designed to be very affordable, you can convert your air suspension to use passive shocks and coil springs for less than the price of replacing one original equipment air spring.
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CODE: GB1R0.2

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Convert Your Air Suspension To A Passive Coil Spring Suspension. End Your Air Suspension Problems Forever...

Strutmasters 2003-2008 Isuzu Ascender Rear Air To Coil Spring Conversion Kit is the perfect solution to your air suspension problems. Designed to be very affordable, you can convert your air suspension to use passive steel coil springs for way less than the price of replacing Original Equipment air springs.

Conversion Kit Features

  • Saves Money
  • All New Components
  • Returns Vehicle To Factory Ride Height
  • More Reliable Than Air Suspensions
  • No Modifications Required To Install
  • Easy To Install
  • Premium Springs

Air Suspension Conversion Kit Includes

  • 2 Rear Springs
  • Detailed Instructions

This Conversion Kit Fits

2003 Isuzu Ascender, 2004 Isuzu Ascender, 2005 Isuzu Ascender, 2006 Isuzu Ascender, 2007 Isuzu Ascender, 2008 Isuzu Ascender

Product Notes

  • For High Mileage Vehicles And Improved Ride Quality, We Recommend Purchasing Kit WITH Rear Shock Absorbers Instead -- Item GB1RB
  • For Standard Models Only; 7-Passenger Models Require Item GB1R02.


Replaced Components
The 2003-2008 Isuzu Ascender is built with the following rear suspension components:

2003-2008 Isuzu Ascender Air Springs (x2) - commonly referred to as air bags, a plastic and rubber bag that uses pressurized air as a cushion to support the weight of the rear of the vehicle. These factory rubber air springs are the number one cause of all air suspension leaks. Since all air springs all go bad at about the same rate, if one is leaking, the others will not be far behind. For a proper repair, all of them need to be replaced at the same time.

2003-2008 Isuzu Ascender Shock Absorbers (x2) - has metal tubing filled with gas-charged hydraulic fluid that dampens vibration and bounciness caused by travel on a rough road surfaces.

2003-2008 Isuzu Ascender Height Sensors (x2) - a linkage located near each wheel of a vehicle with any electronic suspension that, either mechanically or electronically, constantly measures the height of the vehicle, and reports this information back to the control module so that the computer can identify if changes in height need to be adjusted accordingly. The ride height sensor is a moving part, and like all moving parts, they will eventually wear out.

2003-2008 Isuzu Ascender Air Lines- tubes that carry pressurized air from a compressor to the air bags in order to adjust the height of the vehicle, respectively.

2003-2008 Isuzu Ascender Solenoids (x2) - usually L-shaped, these plastic components work with the suspension control module on vehicles with active suspension. The solenoid regulates the air pressure for each air spring. Solenoids start to leak as they wear out causing the vehicle to sag or to lean. This will cause the ride height sensor to send a signal to activate the compressor in an attempt to inflate the air suspension and level out the vehicle. This excessive work load will eventually lead to total failure of the compressor.

2003-2008 Isuzu Ascender Compressor Assembly- creates/sends pressurized to active suspension components. When the air suspension starts leaking, the compressor/pump starts working harder to try to keep the system inflated. By the time air suspension leaks down completely, sitting the vehicle on its tires, the compressor will either have failed or be well on its way to full failure. Buying replacement air springs and taking the time to install them only to find out the compressor still needs to be replaced can be very frustrating, time-consuming, and expensive.

2003-2008 Isuzu Ascender Dryer- prevents moisture build-up inside of air suspension parts.

2003-2008 Isuzu Ascender Suspension Control Module- a computer which is responsible for the operations of the air suspension system and maintaining the vehicle's correct ride height.

2003-2008 Isuzu Ascender O-rings- Although they are the least expensive parts of the air suspension, they are responsible for maintaining the seal where all of the air lines connect. Be sure to replace the O-rings when repairing any air suspension system.



Suspension Failure Signs
Early diagnosis of a failed or leaking air suspension system is the key to avoiding suspension total failure in the 03-08 Isuzu Ascender. The most noticeable sign is a three to five inch drop in the rear of the vehicle. Some vehicles experience a lean from one side to the other. One red flag indicator of suspension failure is an illuminated suspension warning light on the instrument cluster. Listen to the air compressor- if it has stopped working, or is running too often, a replacement or repair is in order. As a general rule, if the Ascender isn’t reaching and maintaining its proper ride height the suspension should be fixed promptly before additional vehicle components wear out.

OEM Replacement Cost
'+ Air Springs ($200/air spring)
+ Compressor and Dryer Assembly ($500)
= Over $900 (but that doesn't include replacing electronic components that are known to fail such as the height sensors).

Aftermarket Replacement Cost
'+ Air Springs ($190/pair)
+ Compressor and Dryer Assembly ($500)
= Over $600 (but that doesn't include replacing electronic components that are known to fail such as the height sensors).
The original air suspension system on the 03-08 Isuzu Ascender is made up of assorted parts that must always function in sync. The entire suspension stops working properly when one part is defunct. Strutmasters unique air to non-air suspension system conversion kit is an affordable direct replacement alternative to dealership repair. This kit, manufactured in America, includes two high-quality cold-wound steel coil springs. These springs are more reliable than the original air suspension parts; we guarantee that with our Lifetime Limited Warranty. Car enthusiasts appreciate the ease with which the kit is installed; it only takes about one hour per wheel. The suspension warning message turns off after about thirty minutes, too. Detailed instructions, complete with pictures and support information, come with each kit. Installation videos, available to view online, help guide a smooth repair process. And Strutmasters ASE certified technicians are available to answer questions or concerns. Call, email, or chat with an expert today!
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