HomeSuspension > Shocks and StrutsKYB 344382 Shock Absorber - Rear
Part #: 56643

KYB 344382 Shock Absorber - Rear

Excel-G
30 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Excel-G
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Overview of KYB Excel-G Suspension Shock Absorber 344382

The KYB Excel-G Suspension Shock Absorber 344382 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty trucks. Engineered to restore original ride quality, this shock absorber offers reliable performance and durability for heavy-duty applications.

  • Compressed length: 16.14 inches
  • Extended length: 27.56 inches
  • Stroke length: 11.42 inches
  • Lower mount type: E2(12x38)
  • Upper mount type: E1
  • Includes dust cover for added protection
  • No internal rebound spring
  • No B-stop or R-stop features

Detailed Product Features and Specifications

This KYB Excel-G shock absorber (part number 344382) is built to match the original equipment specifications for Ford F-250 Super Duty and F-350 Super Duty models. The compressed length of 16.14 inches and extended length of 27.56 inches provide a stroke length of 11.42 inches, ensuring proper suspension travel and vehicle stability. The lower mount uses an E2(12x38) style, while the upper mount is an E1 type, allowing for direct fitment without modification. A dust cover is included to protect the shock shaft from dirt and debris, extending the service life of the component. This model does not include an internal rebound spring or bump stops (B-stop and R-stop), which aligns with the original suspension design for these trucks.

About the KYB Excel-G Product Line

The Excel-G line from KYB focuses on restoring the original ride and handling characteristics of vehicles by using high-quality components and precise engineering. Designed as a direct replacement for factory shocks, Excel-G shocks like the 344382 provide consistent damping performance and durability. This product line is suitable for drivers who want to maintain the intended suspension feel of their Ford F-250 Super Duty or F-350 Super Duty without altering the vehicle’s handling dynamics.

Common Applications and Problem Solving

  • Restores factory ride quality and handling on Ford F-250 Super Duty and F-350 Super Duty trucks
  • Reduces excessive bouncing and body roll during driving
  • Improves vehicle stability under load or towing conditions
  • Eliminates noise and vibration caused by worn or damaged shocks
  • Protects suspension components by maintaining proper damping control

Installation Notes and Tips

Installation of the KYB Excel-G shock absorber 344382 requires matching the upper and lower mount types (E1 upper, E2(12x38) lower) to the vehicle’s suspension points. It is recommended to replace shocks in pairs (both front or both rear) to maintain balanced handling. Ensure the dust cover is properly seated to protect the shock shaft. Use appropriate tools and follow vehicle manufacturer torque specifications during installation.

Quality Assurance and Warranty

KYB manufactures the Excel-G shock absorbers to meet or exceed OEM standards, ensuring reliable performance and durability. The product includes a dust cover to enhance longevity. While specific warranty details are not provided here, KYB typically offers a limited warranty covering defects in materials and workmanship. Refer to KYB’s official documentation for complete warranty information.

BrandFour Seasons
Part Number56643
PositionExcel-G
Bracket?w/ Bracket
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeCaptured O-Ring
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line StyleP-Nut Fitting
Manifold?w/ Manifold
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24243] / Tear Drop Sealing Washer
O-Ring D Number/Desc[24353] / Sealing Washer
O.E. Replacement?Yes
Orifice Tube?w/ Orifice Tube
Refrigerant TypeR134-A
Service Port Qty1
Service Port TypeQDC
Service Port?w/ Service Port
StyleHose Assy /Suc, Liq w/ Orif
Suction End TypeP-Nut Fitting
Sve Port Low SideLow Side
System PressureHigh Pressure / Low Pressure
TypeSuction & Liquid Line

This part fits 30 vehicles. Search below:

YearMakeModelBody TypeDrive TypePositionNotes
2004FordF-250 Super DutyRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2004FordF-350 Super DutyCrew Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2004FordF-350 Super DutyExtended Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2004FordF-350 Super DutyStandard Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2004FordF-350 Super DutyCab & Chassis4WDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2003FordF-250 Super DutyRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2003FordF-350 Super DutyCrew Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2003FordF-350 Super DutyExtended Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2003FordF-350 Super DutyStandard Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2003FordF-350 Super DutyCab & Chassis4WDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2002FordF-250 Super DutyRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2002FordF-350 Super DutyCrew Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2002FordF-350 Super DutyExtended Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2002FordF-350 Super DutyStandard Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2002FordF-350 Super DutyCab & Chassis4WDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2001FordF-250 Super DutyRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2001FordF-350 Super DutyCrew Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2001FordF-350 Super DutyExtended Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2001FordF-350 Super DutyStandard Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2001FordF-350 Super DutyCab & Chassis4WDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2000FordF-250 Super DutyRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2000FordF-350 Super DutyCrew Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2000FordF-350 Super DutyExtended Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2000FordF-350 Super DutyStandard Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
2000FordF-350 Super DutyCab & Chassis4WDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
1999FordF-250 Super DutyRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
1999FordF-350 Super DutyCrew Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
1999FordF-350 Super DutyExtended Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
1999FordF-350 Super DutyStandard Cab PickupRWDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G
1999FordF-350 Super DutyCab & Chassis4WDRearReplace suspension strut and coil spring assembly according to manufacturer's instructions.; Excel-G

* 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:

201644304465304838346435348124375058152AB5058152AC5058152AD5058152AE5058152AF5058152AG56643795059A82134HA111432CT56643

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.