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Warranty and Sales Policy

MD JDM MOTORS

WARRANTY TERMS & CONDITIONS


IMPORTANT NOTICE

Shipping costs and labor charges are not covered under warranty. No exceptions apply.


WARRANTY COVERAGE PERIODS

Standard Replacement Engines: 90 days from delivery date (unless otherwise specified on sales receipt)

Performance Engines (including turbo, VTEC, i-VTEC, VVT, VVTi, GTE): 30 days from delivery date (unless otherwise specified on sales receipt)

Rotary Engines (Mazda RX-7, RX-8, 13B, 13BT/13BTT/20B): No warranty coverage (unless otherwise specified on product listing)

Performance Transmissions: 30 days from delivery date

Standard Replacement Transmissions: 90 days from delivery date (unless otherwise specified on product listing)

Warranty Start Date: All warranty periods begin when the customer takes possession of the item, either by signing proof of delivery for shipped items or at the time of in-store pickup.

Parts: Sold as-is with no warranty coverage


DEPOSIT TERMS & CONDITIONS

  • Deposits hold items for 30 days maximum

  • Full balance must be paid within 30 days of deposit date

  • After 30 days without payment, MD JDM Motors may release items from hold

  • No refunds issued after the 30-day period

  • Items must be picked up or shipped within 25 days of full payment


WARRANTY COVERAGE

What Is Covered

The following internal engine components are covered under our limited warranty:

  • Pistons, piston rings, and piston pins

  • Crankshaft and main bearings

  • Connecting rods and rod bearings

  • Camshaft and camshaft bearings

  • Timing chain and timing gears

  • Intake and exhaust valves

  • Valve springs, seals, and guides

  • Oil pump, push rods, rocker arms, and shafts

  • Engine block and cylinder walls (free from cracks or distortions that prevent normal operation)

  • Cylinder head (free from cracks or distortions that prevent normal operation)

What Is NOT Covered

The following external components and circumstances are excluded from warranty coverage:

External Components:

  • Intake and exhaust manifolds

  • Carburetors and distributors

  • Starters and emission control devices

  • Flywheels, clutches, and pressure plates

  • Water pumps, thermostats, belts, and hoses

  • Oil pans and valve covers

  • Sensors and electronic components (distributors, wires, computers, injectors, etc.)

  • Drive shafts, engine mounts, and half shafts

  • Turbochargers

Exclusions:

  • Damage due to customer or mechanic negligence

  • Engines that seize, lose compression, or suffer catastrophic failure due to improper installation or maintenance

  • Installations not performed by certified mechanics (warranty may be voided at MD JDM Motors' discretion)


WARRANTY CLAIM PROCEDURE

Requirements for All Claims

  1. Professional Installation Required: We strongly recommend professional installation by a certified mechanic

  2. Monitoring Period: Engines should be closely monitored during the first 50-100 miles after installation

  3. Mechanic's Report: Valid mechanic's report required for all warranty claims

  4. Certified Mechanic Only: Claims must include documentation from a certified mechanic

Defective Product Claims

To file a warranty claim, email the following to [email protected]:

  1. Detailed written description of the defect with supporting photos and videos

  2. Certification documentation from the inspecting mechanic

  3. Mechanic's contact information for verification purposes

Note: The certifying mechanic may be different from the original purchaser.

Claim Resolution

Upon receiving complete documentation, MD JDM Motors will:

  • Review all submitted materials

  • Contact the certifying mechanic for verification

  • Determine whether to provide a refund for defective parts or request return for replacement

  • Require complete return of defective engines/transmissions (no missing parts)

  • Deduct any missing parts from replacement units


COMPANY RIGHTS & MODIFICATIONS

MD JDM Motors reserves the right to:

  • Perform maintenance, servicing, and repairs on products before sale

  • Use rebuilt or serviceable used parts in products

  • Exchange engines at company discretion when deemed necessary

  • Refuse warranty claims due to customer or mechanic negligence

  • Modify these warranty terms at any time without prior notice


CONTACT INFORMATION

Email: [email protected]
Phone: (301) 869-2400

For questions regarding warranty coverage or any other inquiries, please contact us using the information above.


This warranty supersedes all previous warranty terms and conditions. MD JDM Motors reserves the right to make changes to these terms without prior notification.