Warranty Overview

We stand behind the quality of every used engine and transmission we sell. All parts come with a 6-month warranty covering manufacturing defects and internal component failures.

What's Covered

  • Internal engine components (block, heads, pistons, crankshaft, camshaft, valves)
  • Internal transmission components (case, valve body, torque converter, gears, clutches)
  • Manufacturing defects and material failures
  • Unlimited mileage coverage

What's NOT Covered

  • External accessories (sensors, hoses, brackets, alternators, starters)
  • Labor costs
  • Gaskets, seals, and fluids
  • Damage from improper installation
  • Overheating or low fluid damage
  • Racing or commercial use without approval

Warranty Requirements

  • Professional installation by ASE certified mechanic required
  • Must replace water pump (engines) or transmission filter (transmissions)
  • Install within 30 days of delivery
  • Keep installation invoice and checklist

How to File a Claim

1
Contact us

Contact us through email and provide us your order details

2
Share details

Share an email with a description of the issue with supporting photos/videos

3
Submit invoice

Share installation invoice from your certified mechanic

4
Claim review

We will file a warranty claim and update you within 24 to 48 hours

5
Replacement

Get you replacement engine/transmission delivered with no extra cost

Return Policy

24-hour cancellation: Full refund available
Damage returns: 14-day return window for damaged products
Core return: There is no additional charges for Core. You can keep your old engine/transmission
View Detailed Warranty Policy

Questions? Email us at support@usedenginesstore.com or call +1 (307) 218-7900

Pre-Installation Checklist

Before installing your engine or transmission, complete these essential steps to ensure optimal performance and maintain your warranty coverage.

  • Verify the engine/transmission matches your vehicle's year, make, and model
  • Inspect for any shipping damage and report within 24 hours
  • Check all fluid levels and top off as needed
  • Replace all gaskets, seals, and timing components with new parts
  • Ensure all sensors, wiring harnesses, and connections are compatible
  • Install new spark plugs, filters, and fluids (do not reuse old fluids)
  • Verify mounting points and hardware are clean and secure
  • Take photos of the odometer reading before installation
  • Review the warranty terms and activation requirements
  • Keep all documentation and receipts for warranty claims

Important:

Failure to follow these steps may void your warranty. If you have questions, contact our support team at support@usedenginesstore.com