Refund policy

Product & Core Return / Cancellation Policy

A Return Merchandise Authorization (RMA) number is required for returns and must be written on the outer shipping carton. Contact Greenline Diesel & Auto Repair to obtain an RMA number and return shipping instructions.

Return Guidelines:
• Returns must be packaged securely in an outer carton.
• Do not write on product packaging; only write on the outer shipping carton.
• Returns must be received within 30 days of customer receipt (determined by UPS tracking).
• Products must be new and resellable, with all original boxes, packaging, parts, cables, manuals, etc.
• Upon receipt, all returns will be inspected. Credit may be refused, or a restocking fee of up to 40% may be applied at our discretion.
• Original shipping charges are non-refundable.
• Customers are responsible for return shipping costs.

Unauthorized Returns
• Items returned without a valid RMA number will not be processed.
• We are not responsible for unauthorized returns.

Non-Returnable Items:

Credit will not be issued for:
• Installed or used products.
• Products damaged due to improper installation or use.
• Products missing original packaging, manuals, or parts.
• Electrical parts with broken seals.
• Products with serial numbers that don’t match our records.
• Products deemed non-resellable due to customer actions.

Once inspected, a store credit or exchange will be issued.

Cancellations & Restocking Fees
• Orders for made-to-order parts may incur a restocking fee of up to 40%, depending on the product and production stage at the time of cancellation.
• Customers must contact us as soon as possible to request a cancellation. Orders already in production may not be eligible for a full refund.

Refused Shipments
• Shipments refused and returned to us will be subject to a 40% restocking fee, deducted from the refund.

Core Returns

Core returns are accepted within 30 days of purchase. After 30 days, core refunds are at our discretion. We recommend using a trackable shipping method to ensure safe and quick return. Shipping costs for core returns are non-refundable.
• The credit card used for purchase will be credited for the core’s original invoiced value after inspection.
• Cores that have been disassembled or have missing/damaged major components (even due to shipping damage) will not receive full credit.

Liability Disclaimer
• Our products are for RACE/COMPETITION USE ONLY. Use on any public or private road in the U.S. is STRICTLY PROHIBITED.
• Use of our products may:
• Damage or destroy vehicle components.
• Void the vehicle’s factory warranty.
• Require special driving skills for safe operation.
• The user assumes full responsibility for the safe, legal, and proper use of the vehicle.

By purchasing and installing our products, the customer releases, indemnifies, and holds harmless Greenline Diesel & Auto Repair from any claims, damages, injuries, or expenses related to the use of our products. We are not liable for any direct, indirect, incidental, or consequential damages resulting from their use.