HomeSuspension > Shocks and StrutsKYB 5540020 Shock Absorber - Rear
Part #: 5540020

KYB 5540020 Shock Absorber - Rear

Gas-a-just, Rear
58 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Gas-a-just, Rear
Fitment: Ram and Dodge, 2500 and Ram 3500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandKYB
Part Number5540020
PositionGas-a-just, Rear
Compressed Length14.37
Dust Cover IncludedY
Extended Length23.22
Lower Mount TypeE2(14.6X42)
R-stopY
Stroke Length8.85
Upper Mount TypeS1(12MM)

This part fits 58 vehicles. Search below:

YearMakeModelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
2025Ram25004WDRearw/ Rear Air Spring Suspension; Gas-a-just
2024Ram25004WDRearw/ Rear Air Spring Suspension; Gas-a-just
2023Ram25004WDRearw/ Rear Air Spring Suspension; Gas-a-just
2022Ram25004WDRearw/ Rear Air Spring Suspension; Gas-a-just
2021Ram25004WDRearw/ Rear Air Spring Suspension; Gas-a-just
2020Ram25004WDRearw/ Rear Air Spring Suspension; Gas-a-just
2019Ram2500Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2019Ram2500Extended Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2019Ram2500Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2019Ram2500Extended Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Extended Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Extended Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Extended Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2018Ram2500Extended Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Extended Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Extended Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Extended Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2017Ram2500Extended Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Extended Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Extended Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Extended Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2016Ram2500Extended Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Extended Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Extended Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Extended Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2015Ram2500Extended Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Extended Crew Cab PickupRWD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Extended Crew Cab PickupRWD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Extended Crew Cab Pickup4WD5.7LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2014Ram2500Extended Crew Cab Pickup4WD6.4LV8GASRearMonotube Performance Upgrade; w/ Rear Air Spring; Gas-a-just
2010DodgeRam 3500Cab & ChassisRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2010DodgeRam 3500Cab & Chassis4WDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2009DodgeRam 3500Cab & ChassisRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2009DodgeRam 3500Cab & Chassis4WDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2008DodgeRam 3500Cab & ChassisRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2008DodgeRam 3500Cab & Chassis4WDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2007DodgeRam 3500Cab & ChassisRWDRearInstall a monotube shock absorber to enhance performance.; Gas-a-just
2007DodgeRam 3500Cab & Chassis4WDRearInstall 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.