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KYB 5540020 Shock Absorber - Rear
Overview of KYB Gas-a-just Suspension Shock Absorber
The KYB Gas-a-just 5540020 suspension shock absorber is engineered for Dodge Ram 2500 and Ram 3500 models. Designed to restore your vehicle's original handling and ride quality, this shock absorber offers precise damping performance tailored to heavy-duty trucks.
- Compressed length: 14.37 inches
- Extended length: 23.22 inches
- Stroke length: 8.85 inches
- Lower mount type: E2 (14.6x42)
- Upper mount type: S1 (12mm)
- Includes dust cover for protection
- R-stop feature included for controlled rebound
About the KYB Gas-a-just Product Line
The Gas-a-just line by KYB focuses on gas-charged shock absorbers designed to provide consistent damping and improved ride control. This product line is engineered to meet or exceed original equipment specifications, making it suitable for Dodge Ram 2500 and Ram 3500 trucks that require reliable suspension components for heavy-duty use.
Detailed Product Description
The KYB Gas-a-just 5540020 shock absorber features a compressed length of 14.37 inches and an extended length of 23.22 inches, providing a stroke length of 8.85 inches. The lower mount uses an E2 style (14.6x42), while the upper mount is an S1 type with a 12mm diameter, ensuring proper fitment and secure installation on compatible Dodge Ram models. The inclusion of a dust cover helps protect the internal components from dirt and debris, extending the service life of the shock absorber. Additionally, the R-stop feature controls rebound travel, enhancing vehicle stability during operation.
Common Applications and Problem Solving
- Restores handling and ride comfort on Dodge Ram 2500 and Ram 3500 trucks
- Reduces excessive bouncing and body roll under load
- Improves control during braking and cornering maneuvers
- Addresses premature wear from rough terrain or heavy towing
- Prevents suspension bottoming out with controlled rebound
Installation Notes and Tips
When installing the KYB Gas-a-just 5540020 shock absorber, ensure the vehicle is securely lifted and supported. Verify the lower mount type E2 (14.6x42) and upper mount S1 (12mm) match your Dodge Ram 2500 or Ram 3500 specifications. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Inspect mounting hardware and bushings for wear and replace if necessary. The included dust cover should be positioned correctly to protect the shock shaft from contaminants.
Quality Assurance and Warranty
KYB manufactures the Gas-a-just 5540020 shock absorber to meet strict quality standards, ensuring durability and consistent performance. This part is backed by KYB's limited warranty against defects in materials and workmanship, providing confidence in its reliability for Dodge Ram 2500 and Ram 3500 applications.
| Brand | KYB |
|---|---|
| Part Number | 5540020 |
| Position | Gas-a-just, Rear |
| Compressed Length | 14.37 |
| Dust Cover Included | Y |
| Extended Length | 23.22 |
| Lower Mount Type | E2(14.6X42) |
| R-stop | Y |
| Stroke Length | 8.85 |
| Upper Mount Type | S1(12MM) |
This part fits 58 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | Ram | 2500 | 4WD | Rear | w/ Rear Air Spring Suspension; Gas-a-just | ||||
| 2024 | Ram | 2500 | 4WD | Rear | w/ Rear Air Spring Suspension; Gas-a-just | ||||
| 2023 | Ram | 2500 | 4WD | Rear | w/ Rear Air Spring Suspension; Gas-a-just | ||||
| 2022 | Ram | 2500 | 4WD | Rear | w/ Rear Air Spring Suspension; Gas-a-just | ||||
| 2021 | Ram | 2500 | 4WD | Rear | w/ Rear Air Spring Suspension; Gas-a-just | ||||
| 2020 | Ram | 2500 | 4WD | Rear | w/ Rear Air Spring Suspension; Gas-a-just | ||||
| 2019 | Ram | 2500 | Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2019 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2019 | Ram | 2500 | Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2019 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2018 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2017 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2016 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2015 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Extended Crew Cab Pickup | RWD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 5.7L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2014 | Ram | 2500 | Extended Crew Cab Pickup | 4WD | 6.4L | V8 | GAS | Rear | Monotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just |
| 2010 | Dodge | Ram 3500 | Cab & Chassis | RWD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 2010 | Dodge | Ram 3500 | Cab & Chassis | 4WD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 2009 | Dodge | Ram 3500 | Cab & Chassis | RWD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 2009 | Dodge | Ram 3500 | Cab & Chassis | 4WD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 2008 | Dodge | Ram 3500 | Cab & Chassis | RWD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 2008 | Dodge | Ram 3500 | Cab & Chassis | 4WD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 2007 | Dodge | Ram 3500 | Cab & Chassis | RWD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just | |||
| 2007 | Dodge | Ram 3500 | Cab & Chassis | 4WD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.