KYB Suspension Strut Cartridge 363003
KYB Suspension Strut Cartridge 363003

KYB Suspension Strut Cartridge P/N:363003

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$73.99
MPN: 363003
UPC: 781552630036
Item Package Quantity: 1
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KYB Suspension Strut Cartridge P/N:363003
KYB Suspension Strut Cartridge P/N:363003
$73.99

Firm up a worn-out front corner with the KYB strut cartridge 363003, a nitrogen gas-charged Excel-G insert that drops into the front strut housing of the 1979-1980 Mazda RX-7 [All]. Built on KYB's OE assembly lines as an OEA (Original Equipment for the Aftermarket) unit, this gas cartridge is calibrated to bring damping back to the vehicle's designed performance rather than change it.

  • Twin-tube gas design: nitrogen gas-charged, twin-tube construction using the same OE-quality components found in KYB's global OEM products.
  • Vehicle-specific valving: hand-assembled damping valves manage tire contact, steering response, and body movement.
  • Triple-lip fluid seal: reduces the chance of oil and gas leaking out.
  • Internal rebound bumper: helps control rebound travel. No dust cover or bump stop is included.

Upper mount type is 14x1.50, with a stroke length of 14.84 in, compressed length of 15.67 in, and extended length of 22.72 in. If worn front dampers are behind your excessive bounce, nose-dive, or loss of ride control, this cartridge helps restore designed handling. Country of origin: Japan. Struts work as a matched pair — order 2 to service both front corners together.

Interchange: G44806

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

G44806

Frequently Asked Questions

Does this KYB strut cartridge fit my Mazda RX-7?

Yes, cartridge 363003 is listed for the 1979-1980 Mazda RX-7 [All]. Check the Buyer's Guide tab to confirm the application for your vehicle.

Is this a complete strut or just the cartridge?

It is a gas cartridge insert designed for the front strut housing. A dust cover and bump stop are not included.

How many do I need?

The listed application uses 2. Struts work as a matched pair, so order 2 to service both front corners together for balanced handling.

What kind of damper design is this?

It is a nitrogen gas-charged, twin-tube Excel-G design with hand-assembled, vehicle-specific damping valves and a triple-lip fluid seal.

What are signs my front cartridge may need replacing?

Excessive bounce, nose-dive under braking, reduced ride control, or oil seepage can indicate worn dampers. Diagnose the cause before replacing.

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