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Monroe 911331 Shock Absorber - Rear
| Brand | Monroe 911331 |
|---|---|
| Position | Rear |
| Compressed Bumper Stop | No |
| Compressed Length | 17.06 |
| Dust Shield | Yes |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 28.07 |
| Lower Mounting Code | LS27 |
| Lower Mounting Type | Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.9/16" Sleeve OAL |
| Parts Pack | None |
| Travel Length | 11.01 |
| Upper Mounting Code | LS27 |
| Upper Mounting Type | Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 39.69MM Sleeve OAL |
| Product line | Reflex Light Truck Shock Absorber |
| Fits | Ford · 6 vehicles |
ASD valving technology. Automatically adjusts to absorb impact and reduce roll and dive.
Dust shield included. Helps protect the shock absorber from road debris.
Loop bushing mounts. Upper and lower sleeve mounts simplify installation.
Cross-references PRT 173828, Rancho RS55286 and 30297 for the same application. See all 8.
Monroe Reflex Light Truck Shock Absorber
Monroe Reflex Light Truck Shock Absorber 911331 is built for rear suspension control on 2009-2014 Ford F-150 applications. It uses ASD valving technology that responds to changing road inputs to help manage body motion in trucks with a higher center of gravity.
Key Features
- ASD valving technology automatically adjusts damping response to road impact
- Rear shock absorber for 2009-2014 Ford F-150
- Dust shield included for added protection
- Extended bumper stop: Yes
- Compressed length: 17.06 in.; extended length: 28.07 in.; travel length: 11.01 in.
- Upper and lower mounting code: LS27
- Loop bushing and sleeve mount design with 12MM sleeve ID
Product Details
The Monroe Reflex Light Truck Shock Absorber line is engineered for light trucks and other vehicles with a higher center of gravity, where suspension control matters during braking, cornering, and uneven-road driving. Part number 911331 uses Monroe’s ASD valving approach to react to impact changes and help reduce roll and dive at the rear of the vehicle. This part cross-references Rancho RS55286 for the same application.
What It Helps Address
- Excessive rear-end bounce over rough pavement
- Body roll during lane changes and turns
- Nose dive and rear suspension instability during braking
- Loss of damping control as shocks wear with mileage
- Rear suspension harshness on daily-driven Ford F-150 trucks
Installation Notes
Compatible With 2009-2014 Ford F-150, rear. Verify mounting style, sleeve dimensions, and compressed/extended length before installation. The upper and lower mounts are loop bushing and sleeve style, so matching the OE mounting configuration is important for proper fitment. Monroe 911331 is a direct rear shock application for the listed Ford F-150 years.
Quality Assurance
Monroe backs this shock absorber with a limited lifetime warranty on the listed Ford F-150 application. The Reflex Light Truck Shock Absorber line is positioned for controlled damping in truck suspension service, and part number 911331 is built to meet the fitment and mounting requirements shown above.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2014 | Ford | F-150 | RWD | Rear | Limited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber |
| 2013 | Ford | F-150 | RWD | Rear | Limited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber |
| 2012 | Ford | F-150 | RWD | Rear | Limited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber |
| 2011 | Ford | F-150 | RWD | Rear | Limited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber |
| 2010 | Ford | F-150 | RWD | Rear | Limited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber |
| 2009 | Ford | F-150 | RWD | Rear | Limited lifetime warranty on this shock absorber.; Reflex Light Truck Shock Absorber |
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