Monroe Shocks & Struts 911228 rear shock absorber for the 2004-2012 Chevrolet Colorado and other vehicles damps rear suspension movement over bumps and dips.
- Monroe OESpectrum light truck shock absorber line
- Filters impact-related noise, vibration and harshness while giving handling precision and control
- All-weather fluid with additives for extreme temperatures that help reduce oil breakdown
- Nitrogen gas charge keeps tire-to-road contact by reducing aeration and shock fade
- Self-lubricating fluid seal holds the gas in and cuts friction against the piston rod
Quick facts
- Part: Monroe Shocks & Struts 911228 shock absorber
- Fits: 2004-2012 Chevrolet Colorado and other vehicles
- Position: Rear
- Condition: New
A worn shock can show up as fluid on the body, a bouncy ride, nose dive under braking or noise over bumps. Before you replace this shock, rule out worn rear bushings, springs or loose mounts, which can cause similar symptoms. This listing is one shock, and both rear sides are normally replaced together.
Fits
This rear shock absorber is listed for Chevrolet, GMC and Isuzu models, among them the 2004-2012 Chevrolet Colorado, the 2004-2012 GMC Canyon and the 2007-2008 Isuzu I-290. If your vehicle is another model, look up its year in the "Vehicles it fits" section on this page.
Specifications
Fit and size
- Position: rear
- Quantity per vehicle: 2
- Compressed length: 13.375 in (339.7 mm)
- Extended length: 21 in (533.4 mm)
- Travel length: 7.625 in
- Upper mount: cross pin, closed ended, 5/16 hole ID (both ends) X 2.7/8 pin length (hole center to center)
- Lower mount: loop (eyelet) bushing and sleeve, 9/16 sleeve ID X 1.5/8 sleeve OAL
Build and materials
- Type: gas charged, passive suspension, not adjustable
- Dust shield: metal, included
- Cylinder finish: painted black
- Condition: new
- Warranty: Monroe limited lifetime warranty
- Country of origin: Vietnam
In the box
One rear shock absorber with its metal dust shield; the vehicles take two. Mounting hardware is not included, so plan on new hardware rather than reusing the old.
Frequently Asked Questions
Does the Monroe 911228 rear shock fit the 2004-2012 GMC Canyon?
Yes. Monroe Shocks & Struts 911228 is listed for the 2004-2012 GMC Canyon, the 2004-2012 Chevrolet Colorado and the 2007-2008 Isuzu I-290. Other models are in the "Vehicles it fits" section.
Does the Monroe 911228 shock come with mounting hardware?
No. Mounting hardware is not included. The listing is one rear shock absorber with its metal dust shield, and the vehicle takes two.
What are the compressed and extended lengths of the Monroe 911228?
The Monroe Shocks & Struts 911228 measures 13.375 in (339.7 mm) compressed and 21 in (533.4 mm) extended, with 7.625 in of travel.
What are the signs that a gas-charged rear shock is worn?
Fluid on the shock body, a bouncy ride, nose dive under braking or noise over bumps can point to a worn shock. A shop can inspect the rear suspension to confirm.
Is the Monroe 911228 gas charged?
Yes. This rear shock has a nitrogen gas charge that reduces aeration and shock fade, and it carries Monroe's limited lifetime warranty.
