Tri Star Engines building

Warranty Overview

Warranties shown are an overview. For complete warranty details please contact us for a copy of the actual warranty. To qualify for labor reimbursement the unit must be installed by a licensed repair facility during regular business hours, or else warranty is for parts only.

Ask about our optional no fault warranty supplement available on O.E./Stock replacement units! Contact us

Standard O.E./Stock Replacement Engine Long Block & Automatic Transmission Warranty

  • 3 year, nationwide unlimited mileage warranty
  • Labor at posted rate up to $50/hr.*
  • Private use vehicles under 1 ton
  • Excludes diesel powered applications

High Performance Engines (Long Block and Complete builds)

  • 2 year, parts only warranty
  • 1 year, parts only for performance marine builds

O.E./Stock Replacement Marine Engines

  • 2 year warranty
  • Labor at posted rate up to $75/hr.*
  • 1 year, parts only for performance marine builds

Circle Track, Race, Off-road Use, or Supercharged or Modified Engines

  • No warranty expressed or implied

Short Blocks

  • 12 months or 12,000 miles (whatever comes first)
  • $500 total labor cap* (Does not apply to high performance builds)

Commercial Use Gas Engine Long Block, Transfer Cases, Manual Transmissions, Differentials & Automatic Transmission Warranty

  • For all commercial use vehicles, including vehicles one ton and over, farm, RV applications, and vehicles equipped with snow plows.
  • 18 month or 100,000 miles nationwide warranty
  • Labor at posted rate up to $50/hr.*

Industrial/Non-Automotive Use

  • 90 days parts only warranty

Diesel Engines

  • 1 or 2 year, nationwide warranty (depending on build level and application, call for details)

Commercial & Mid Range Transmissions

  • 18 month or 100,000 miles nationwide warranty

Transfer Cases, Manual Transmissions & Differentials

  • 3 year, nationwide unlimited mileage warranty
  • Labor at posted rate up to $50/hr.*

Cylinder Heads

  • 12 month or 12,000 mile warranty (whatever comes first)
  • $300 labor cap* (Does not apply to high performance builds)

*RESTRICTIONS APPLY, CALL OR SEE FULL WARRANTY FOR DETAILS.