OE Quality
60-Day Returns

FCS 347288 Suspension Shock Absorber - Rear
Overview of FCS Suspension Shock Absorber 347288
The FCS Suspension Shock Absorber part number 347288 is engineered for heavy-duty performance on Chevrolet and GMC trucks. Designed specifically for the Sierra 3500 HD and Silverado 3500 HD models, this shock absorber offers precise control over suspension movement to enhance ride stability and handling.
- Compressed length: 13.9 inches
- Extended length: 22.44 inches
- Stroke length: 8.54 inches
- Compatible with Chevrolet Sierra 3500 HD and GMC Sierra 3500 HD
- Part number: 347288
FCS Brand Line Suspension Components
The FCS brand line focuses on suspension parts designed to meet the demands of heavy-duty trucks. This shock absorber is part of the FCS lineup, which emphasizes durability and precise fitment for specific vehicle models. The FCS shocks are engineered to maintain factory ride quality while providing reliable damping performance under load.
Detailed Product Description
This suspension shock absorber features a compressed length of 13.9 inches and an extended length of 22.44 inches, resulting in a stroke length of 8.54 inches. These dimensions ensure optimal travel and damping characteristics tailored for the suspension geometry of Chevrolet Sierra 3500 HD and GMC Silverado 3500 HD trucks. The shock absorber helps control suspension movement, reducing body roll and improving vehicle stability during towing or heavy payload conditions.
Common Applications and Problem Solving
- Reduces excessive bouncing and improves ride comfort on rough terrain
- Minimizes body sway during cornering and heavy load hauling
- Restores suspension travel to factory specifications
- Addresses worn or leaking shocks causing poor handling
- Enhances control and safety for Chevrolet and GMC 3500 HD trucks
Installation Notes and Tips
Ensure the vehicle is securely lifted and supported before removing the old shock absorber. Verify the part number 347288 matches the existing component for proper fitment. The shock absorber should be installed with the correct orientation to maintain suspension geometry. Torque mounting hardware to manufacturer specifications to avoid premature wear or failure.
Quality Assurance and Warranty
The FCS Suspension Shock Absorber 347288 is manufactured to meet OEM standards for durability and performance. While specific warranty details are not provided, FCS products typically undergo rigorous quality control to ensure reliable operation in heavy-duty applications.
| Brand | FCS |
| Part Number | 347288 |
| Position | FCS, Rear |
| Compressed Length | 13.9 |
| Extended Length | 22.44 |
| Stroke Length | 8.54 |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2020 | Chevrolet | Silverado 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2020 | Chevrolet | Silverado 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2020 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2020 | GMC | Sierra 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2020 | GMC | Sierra 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2020 | GMC | Sierra 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2019 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2019 | GMC | Sierra 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2018 | Chevrolet | Silverado 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2018 | Chevrolet | Silverado 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2018 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2018 | GMC | Sierra 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2018 | GMC | Sierra 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2018 | GMC | Sierra 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2017 | Chevrolet | Silverado 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2017 | Chevrolet | Silverado 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2017 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2017 | GMC | Sierra 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2017 | GMC | Sierra 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2017 | GMC | Sierra 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2016 | Chevrolet | Silverado 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2016 | Chevrolet | Silverado 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2016 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2016 | GMC | Sierra 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2016 | GMC | Sierra 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2016 | GMC | Sierra 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2015 | Chevrolet | Silverado 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2015 | Chevrolet | Silverado 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2015 | Chevrolet | Silverado 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2015 | GMC | Sierra 3500 HD | Standard Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2015 | GMC | Sierra 3500 HD | Extended Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2015 | GMC | Sierra 3500 HD | Crew Cab Pickup | Rear | w/ Dual Rear Wheels; FCS |
| 2014 | Chevrolet | Silverado 3500 HD | Cab & Chassis | Rear | FCS |
| 2014 | GMC | Sierra 3500 HD | Cab & Chassis | Rear | FCS |
| 2013 | Chevrolet | Silverado 3500 HD | Cab & Chassis | Rear | FCS |
| 2013 | GMC | Sierra 3500 HD | Cab & Chassis | Rear | FCS |
| 2012 | Chevrolet | Silverado 3500 HD | Cab & Chassis | Rear | FCS |
| 2012 | GMC | Sierra 3500 HD | Cab & Chassis | Rear | FCS |
| 2011 | Chevrolet | Silverado 3500 HD | Cab & Chassis | Rear | FCS |
| 2011 | GMC | Sierra 3500 HD | Cab & Chassis | Rear | FCS |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.