Warranty Information

Yonaka Motorsports brand products are covered by a limited warranty against defects in workmanship and materials for the original owner.

Warranties are non-transferable.

The Yonaka warranty covers the product only. Additional expenses including labor, fluids, and/or shipping costs are not covered.

Any modification to any part or section of our product immediately voids the warranty.

Should a problem occur due to defect, Yonaka Motorsports will, at the company's discretion, either repair or replace the product at no charge. Damage to the product resulting from an accident, neglect, or normal wear and tear will, at our discretion, be repaired or replaced for a modest fee.

Proof of professional installation may be required in order to qualify for warranty.

All Yonaka Motorsports coilovers carry a 1 year limited warranty for all coilover kits. Spring pre-load is set from the factory. Any evidence of adjusting height with the spring or over-compressing will automatically void your warranty. Please adjust height only by rotating the lower threaded mounts. Professional installation required in order to qualify for warranty. Parts with defect should be sent prepaid to Yonaka Motorsports for inspection and testing. If immediate parts are needed a deposit will be required which will be reimbursed (less shipping) after the parts have been confirmed as a defect.

KEEP YOUR FACTORY SUSPENSION. Yonaka Motorsports will not provide temporary components to replace parts sent to us for inspection. The retrofit of air suspension or similar devices will void warranty.

All Yonaka Motorsports exhaust components carry a 1 year limited warranty against factory defects. All exhaust components are recommended for off-road use only.

KEEP YOUR FACTORY EXHAUST. Yonaka Motorsports will not provide temporary components to replace parts sent to us for inspection.

All Yonaka Motorsports radiators cores and tanks carry a limited lifetime warranty against factory defects. This is a repair or replace warranty at our discretion. Radiator must be professionally installed and used in the vehicle it was designed for. This warranty applies to the aluminum rad core and tanks, does not cover road hazard such as a punture from a stone etc. Also, note that the fans and fan motors and rad caps are covered by a 1 year warranty.

KEEP YOUR FACTORY RADIATOR. Yonaka Motorsports will not provide temporary components to replace parts sent to us for inspection or pressure testing.

Axles and Halfshafts:
Due to the possibility of abuse Yonaka Motorsports axles and half shafts do not carry a warranty.

Ripped boots are also not covered under a warranty. This is considered damage from a road hazard and any damage caused by ripped boots will not be covered.


Original Proof of purchase is required for all warranty claims.

Our warranty does not apply to parts damaged due to or failures caused by improper use, misalignment, improper vehicle maintenance, abuse or neglect, vandalism, fire, collision or impact.

A copy of the receipt or invoice showing that the product was purchased new from Yonaka or an authorized Yonaka re-seller is required to process a warranty claim.

If a warranty claim is needed, purchaser should send product prepaid to Yonaka Motorsports.

Shipping costs are not covered under warranty - only parts.

Please note that all warranty claims must first be issued an RMA number (return merchandise authorization) BEFORE the item is returned to Yonaka Motorsports.

RMA numbers can be requested by completing THIS FORM

Please remember we do not accept shipments sent "collect".

Products returned to us with freight charges owing or without a valid RMA number will be refused and returned to sender.