Help restore the designed ride control and handling of your Super Duty with the KYB Excel-G Suspension Shock Absorber 3440111, a rear gas shock built for the 2017-2022 Ford F-350 Super Duty. Excel-G is KYB's OEA (Original Equipment for the Aftermarket) line, made on the same KYB OE assembly lines with the same OE-quality components and calibrated to restore original, designed performance rather than change it.
- Nitrogen gas-charged twin-tube design: includes every quality component found in KYB's global OEM products.
- Vehicle-specific, hand-assembled: damping valves are set to manage tire contact, steering response and body movement.
- Triple-lip fluid seal: reduces the chance of oil and gas leaking out.
- Supports electronic safety systems: helps keep them performing as designed by maintaining suspension control as the manufacturer intended.
KYB recommends this as an OEM replacement. Sold individually; the rear axle uses two shocks, so replacing both sides together as a matched pair is recommended for balanced control. Worn shocks may show up as excessive bouncing, nose dive, or reduced stability during lane changes and braking.
Interchange: HC3Z18125EA · HC3Z18125EF
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this KYB 3440111 shock fit?
It is a rear suspension shock absorber for the 2017-2022 Ford F-350 Super Duty. See the Buyer's Guide tab to confirm the fit for your specific truck.
Is this a front or rear shock?
This is a rear shock absorber. It is sold individually, so order two if you are replacing both rear corners.
What type of shock is the KYB Excel-G?
It is a nitrogen gas-charged, twin-tube design from KYB's Excel-G (OEA) line, made on KYB OE assembly lines with OE-quality components to restore original performance.
Should I replace shocks in pairs?
Replacing both rear shocks together as a matched pair is recommended for even, balanced control, though each unit is sold individually.
What numbers does this shock interchange with?
It cross-references HC3Z18125EA and HC3Z18125EF. Match the interchange number or the Buyer's Guide fitment to be sure it is correct for your vehicle.
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