HomeSuspension > Shocks and StrutsMonroe 911229 Shock Absorber - Front
Part #: 911229

Monroe 911229 Shock Absorber - Front

Reflex Light Truck Shock Absorber, Front
21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$57.02Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Reflex Light Truck Shock Absorber, Front
Fitment: Chevrolet, GMC, and Isuzu, Colorado, Canyon, i-370, and i-350
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Monroe Reflex Light Truck Shock Absorber Overview

The Monroe Reflex Light Truck Shock Absorber 911229 is engineered for reliable suspension performance on Chevrolet, GMC, and Isuzu light trucks. Designed specifically for models like the Chevrolet Colorado, GMC Canyon, and Isuzu i-350 and i-370, this shock absorber helps maintain vehicle stability and control under various driving conditions.

  • Compressed length: 10 inches
  • Extended length: 14.5 inches
  • Travel length: 4.5 inches
  • Metal dust shield included for enhanced durability
  • Lower mounting type: Loop bushing & sleeve mount (12mm sleeve ID x 1" sleeve OAL)
  • Upper mounting type: Stem mount with 2.3/8" stem length and 3/8"-16 thread pitch
  • Includes dust shield made of metal for protection against debris

About the Reflex Light Truck Shock Absorber Line

The Monroe Reflex Light Truck Shock Absorber line is designed to provide consistent damping performance for light trucks and SUVs. This product line focuses on durability and ride control, incorporating features such as metal dust shields to protect internal components from dirt and debris. The 911229 part number is part of this line, offering a balance of comfort and control tailored for light truck applications.

Detailed Product Description

The Monroe 911229 shock absorber features a compressed length of 10 inches and an extended length of 14.5 inches, providing a travel length of 4.5 inches to accommodate suspension movement. It includes a metal dust shield that helps prevent contamination and extends the service life of the shock. The lower mounting uses a loop bushing and sleeve mount with a 12mm sleeve inner diameter and a 1-inch outer sleeve length, while the upper mounting is a stem mount with a 2.3/8 inch stem length and a 3/8-16 thread pitch, ensuring secure and precise installation.

Common Applications and Problem Solving

  • Reduces excessive bouncing and improves ride comfort on Chevrolet Colorado and GMC Canyon trucks
  • Restores vehicle stability and handling for Isuzu i-350 and i-370 models
  • Minimizes suspension noise and vibration caused by worn shocks
  • Protects suspension components from dust and debris with a metal dust shield
  • Helps maintain proper tire contact with the road for safer driving

Installation Notes and Tips

  • Verify compatibility with Chevrolet, GMC, and Isuzu light truck models before installation
  • Ensure the upper stem mount and lower loop bushing align correctly with vehicle mounting points
  • Inspect mounting hardware and replace if worn or damaged during installation
  • Use proper torque specifications for mounting bolts to avoid premature wear
  • Check suspension travel clearance to confirm shock absorber fitment

Quality Assurance and Warranty

Monroe shock absorbers are manufactured to meet or exceed OEM standards for durability and performance. The Reflex Light Truck Shock Absorber 911229 undergoes rigorous quality control to ensure consistent damping and long service life. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandMonroe
Part Number911229
PositionReflex Light Truck Shock Absorber, Front
S4
Compressed Bumper StopNo
Compressed Length10
Dust ShieldYes
Dust Shield MaterialMetal
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Extended Length14.5
Lower Mounting CodeLS21
Lower Mounting TypeLoop Bushing & Sleeve Mount - 12MM Sleeve ID X 1" Sleeve OAL
Parts PackP01134
Travel Length4.5
Upper Mounting TypeStem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2012ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2012GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2011ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2011GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2010ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2010GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2009ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2009GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2008ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2008GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2008Isuzui-370FrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2007ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2007GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2007Isuzui-370FrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2006ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2006GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2006Isuzui-350FrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2005ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2005GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2004ChevroletColoradoFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber
2004GMCCanyonFrontLimited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12140205191803381918168819206741192108141921081520931002341593344465560277G63884KG5781RS5300RS55300

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.