OE Quality
60-Day Returns

Bilstein 24-239455 Suspension Shock Absorber - Rear
Overview of Bilstein B8 5100 Shock Absorber for Ram 2500
The Bilstein B8 5100 suspension shock absorber, part number 24-239455, is designed specifically for the Ram 2500. This monotube shock absorber features a smooth body design and is engineered to provide consistent performance without adjustable damping.
- Non-adjustable damping for reliable, maintenance-free operation
- Monotube internal design for improved heat dissipation and consistent performance
- 46mm smooth body diameter (non-coilover) for durability
- Black bellows boot included for protection against dirt and debris
- Zinc plated finish to resist corrosion
- Collapsed length: 16.75 inches (425.5 mm); Extended length: 24.96 inches (634.0 mm)
- Lower mount type: Eye 14.1mm; Upper mount type: Stem
About the Bilstein B8 5100 Product Line
The B8 5100 series by Bilstein is engineered for drivers who require enhanced suspension performance on trucks like the Ram 2500. This product line focuses on monotube shock absorbers with smooth body designs that provide improved handling and ride quality over stock components. The B8 5100 shocks are designed to work with factory suspension setups and are ideal for vehicles with slight to moderate lift kits.
Detailed Product Description
The Bilstein B8 5100 shock absorber (24-239455) features a monotube internal design that allows for better heat dissipation and consistent damping performance under various driving conditions. Its smooth body design, with a 46mm diameter, ensures durability and compatibility with the Ram 2500’s suspension system. The shock absorber includes a black bellows boot to protect the piston rod from dirt and debris, extending the service life of the component. The zinc plated finish provides corrosion resistance, making it suitable for use in different environments. With a collapsed length of 16.75 inches and an extended length of 24.96 inches, this shock absorber fits the Ram 2500 suspension geometry precisely. The lower mount features a 14.1mm eye, while the upper mount uses a stem design, ensuring secure and proper installation.
Common Applications and Issues Addressed
- Improves ride stability and control on Ram 2500 trucks
- Reduces excessive body roll and sway during cornering
- Restores suspension performance after wear or damage to original shocks
- Enhances handling for trucks with slight to moderate suspension lifts
- Protects suspension components by maintaining proper damping characteristics
Installation Notes and Tips
Installation of the Bilstein B8 5100 shock absorber (24-239455) requires compatibility with Ram 2500 models. Ensure the vehicle is safely supported before removing old shocks. The monotube design and mounting points (eye lower mount and stem upper mount) should align with factory suspension mounts. No adjustable damping settings are needed, simplifying installation. It is recommended to inspect related suspension components during installation for wear or damage.
Quality Assurance and Warranty
Bilstein manufactures the B8 5100 series with high-quality materials and precision engineering to meet OEM standards. The zinc plated finish and protective bellows boot contribute to the shock absorber’s durability. Warranty details should be confirmed with the manufacturer or authorized distributor, as they may vary by region and application.
| Brand | Bilstein |
| Part Number | 24-239455 |
| Position | B8 5100, Rear |
| Adjustable Damping | Non-adjustable |
| Body Design | Smooth body (non-coilover) |
| Body Diameter (ID) | 46mm |
| Boot Included | Black bellows |
| Collapsed Length (IN) | 16.75 |
| Collapsed Length (MM) | 425.5 |
| Extended Length (IN) | 24.96 |
| Extended Length (MM) | 634.0 |
| Finish | Zinc plated |
| Internal Design | Monotube |
| Lower Mount Type | Eye 14.1mm |
| Reservoir | No |
| Series | B8 5100 |
| Title | Bilstein shock absorbers |
| Upper Mount Type | Stem |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Ram | 2500 | Tradesman | 4WD | Rear | Without Air Leveling Suspension; B8 5100 |
| 2017 | Ram | 2500 | Tradesman | 4WD | Rear | Without Air Leveling Suspension; B8 5100 |
| 2016 | Ram | 2500 | Tradesman | 4WD | Rear | Without Air Leveling Suspension; B8 5100 |
| 2015 | Ram | 2500 | Tradesman | 4WD | Rear | Without Air Leveling Suspension; B8 5100 |
| 2014 | Ram | 2500 | Tradesman | 4WD | Rear | Without Air Leveling Suspension; B8 5100 |
* 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.