Keep your truck planted and composed with the KYB Excel-G Gas Shock 344412, a nitrogen gas-charged front suspension shock absorber that installs as a direct-fit replacement on the 2003-2004 Ford F-250 Super Duty and 2003-2004 Ford F-350 Super Duty. Excel-G is KYB's OEA (Original Equipment for the Aftermarket) line, designed to restore the vehicle's original ride control, stability, and handling rather than change it.
- Nitrogen gas-charged, twin-tube design: built with the same OE-quality components KYB supplies to global vehicle manufacturers.
- Vehicle-specific damping valves: hand-assembled in-house to manage tire contact, steering response, and body movement.
- Triple-lip fluid seal: helps reduce the chance of oil and gas leaking out.
- Supports Electronic Safety Systems: helps keep them performing as the vehicle manufacturer intended by maintaining suspension behavior.
KYB recommends this as an OEM-replacement shock. Shocks wear as a pair, so replacing both sides on the axle together is best practice for balanced, even ride control; this listing is for one shock, sold individually.
Interchange: G63809 · 34686
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the KYB 344412 fit?
It's a front suspension shock absorber for the 2003-2004 Ford F-250 Super Duty and 2003-2004 Ford F-350 Super Duty. Check the Buyer's Guide tab to confirm your exact configuration.
Is this a gas or hydraulic shock?
It's a nitrogen gas-charged, twin-tube design from KYB's Excel-G line, built with OE-quality components.
How many shocks do I need?
This listing is for one shock, sold individually. Because shocks wear together, replacing both sides on the axle as a pair is recommended for balanced ride control.
What does the Excel-G line aim to do?
It's designed to restore the vehicle's original ride control, stability, and handling, not change it. KYB classifies it as OEA (Original Equipment for the Aftermarket).
What is the triple-lip seal for?
The triple-lip fluid seal helps reduce the chance of oil and gas leaking out of the shock, supporting consistent damping performance.
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