KYB Suspension Shock Absorber P/N:3440021

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$81.99

MPN: 3440021

UPC: 781552751816

Item Package Quantity: 1

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KYB Suspension Shock Absorber P/N:3440021

$81.99

Description

Settle the ride and keep the rear suspension working as designed with the KYB Excel-G Suspension Shock Absorber, MPN 3440021. This nitrogen gas-charged shock installs as a direct-fit rear replacement for the 2006-2010 Kia Magentis, 2006-2010 Kia Optima, and 2007-2012 Kia Rondo — see the Buyer's Guide tab for engine-level fitment. KYB builds the Excel-G to restore a vehicle's original ride control, stability, and handling rather than change it.

Twin-tube, gas-charged design: A nitrogen gas-charged, twin-tube shock built on KYB's OE assembly lines using OE-quality components, earning the Excel-G its OEA (Original Equipment for the Aftermarket) classification.
Triple-lip fluid seal: Uses a triple-lip fluid seal to reduce the chance of oil and gas leaking out.
Vehicle-specific valving: Hand-assembled, vehicle-specific damping valves are calibrated to manage tire contact, steering response, and body movement.
Supports safety systems: Because electronic safety systems depend on suspension, brakes, and tires working as intended, the Excel-G helps keep them performing as designed.

Signs a rear shock may need replacing include excessive bounce, poor body control over bumps, or fluid leakage. Replace rear shocks as a matched pair for balanced ride control.

Interchange: 553111D010 · 553112G100 · 553112G300 · 553112G630 · 5615

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

This part cross-references / interchanges with the following part numbers:

553111D010, 553112G100, 553112G300, 553112G630, 5615

Frequently Asked Questions

What vehicles does this KYB shock fit?

It's a direct-fit rear shock for the 2006-2010 Kia Magentis, 2006-2010 Kia Optima, and 2007-2012 Kia Rondo. Check the Buyer's Guide tab to confirm engine-level fitment for your vehicle.

Is this a front or rear shock?

This is a rear-position suspension shock absorber for the listed applications.

What type of shock is the KYB Excel-G?

It's a nitrogen gas-charged, twin-tube shock built on KYB's OE assembly lines with OE-quality components, classified as OEA (Original Equipment for the Aftermarket).

Should I replace both rear shocks at once?

Replacing rear shocks as a matched pair is recommended for balanced, even ride control. This listing is for one shock, so order two for a complete rear pair.

What are signs a rear shock may need replacing?

Excessive bounce, poor body control over bumps, uneven tire wear, or visible fluid leakage can indicate a worn shock. Diagnose the cause before replacing.