Keep the rear of your Mazda CX-3 planted and composed with the KYB Excel-G Suspension Shock Absorber (MPN 3430037), a nitrogen gas-charged, twin-tube rear shock that helps restore the ride control, stability, and handling the vehicle was designed to deliver. It installs as a direct-fit replacement for the 2016-2021 Mazda CX-3 — see the Buyer's Guide tab for full engine details.
KYB is a world-leading supplier of shocks and struts to new-vehicle manufacturers, and the Excel-G is built on the same OE assembly lines using OE-quality components, earning it the OEA (Original Equipment for the Aftermarket) classification. It is calibrated to restore original designed performance, not change it.
- Twin-tube gas design: nitrogen gas-charged, twin-tube construction includes the quality components found in KYB's global OEM products.
- Triple-lip fluid seal: reduces the chance of oil and gas leaking out.
- Vehicle-specific damping valves: hand assembled in-house to help manage tire contact, steering response, and body movement.
- Supports electronic safety systems: helps keep the suspension performing as the manufacturer intended so systems that rely on it work as designed.
Interchange: DB4J28700E · DH1G28910B · DH1G28910C
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this KYB shock fit?
It is a direct-fit rear shock absorber for the 2016-2021 Mazda CX-3. Check the Buyer's Guide tab to confirm the application for your specific vehicle.
Is this a front or rear shock?
This is a rear-position shock absorber. It is designed to help restore the designed control and handling at the rear of your Mazda CX-3.
What type of shock is the Excel-G?
It is a nitrogen gas-charged, twin-tube design that includes the quality components used in KYB's global OEM products, classified as OEA (Original Equipment for the Aftermarket).
Should I replace both rear shocks at once?
Replacing shocks in axle pairs is recommended for even, balanced ride control. This listing is for one shock, so order two if you are servicing both sides together.
What interchange numbers does this replace?
It cross-references DB4J28700E, DH1G28910B, and DH1G28910C. Match your original part number to confirm the correct replacement.
Write a Review