School Bus

School Bus – EPA 2021 and CARB 2022 Products

Available on B6.7 and L9 EPA 2021 and CARB 2022 engines in the United States and Canada.

Only EPA 2021 engines are eligible to purchase EPA 2021 Extended Coverage programs. 
Only CARB 2022 engines are eligible to purchase CARB 2022 Extended Coverage programs.

School Bus Coverage includes:

  • Registered parts and labor
  • Travel and/or towing are not covered
  • Complete engine coverage minus belts, hoses, starters, alternators, aftertreatment and non-Cummins accessories (EXC)
  • Engine coverage includes EGR components excluding all maintenance components and accessories which bear the name of another company (NEC)
    • Maintenance components excluded from coverage include, but are not limited to: fuel injectors, fuel pump, turbocharger, air compressor, fan clutch, water pump, fan hub, fan idler pulley assembly, vibration damper, belts, hoses, belt tensioner and thermostat.
  • Major components (SMC)
    • Engine cylinder block casting
    • Engine cylinder head castings and capscrews
    • Engine crankshaft forging
    • Engine camshaft forging
    • Engine connecting rods
    • Flywheel housing
    • Intake manifold castings
    • Valve covers
    • Oil cooler cover/filter heads
    • Oil pan
    • Gear cover and housing
    • Gear train gears
      • Crankshaft gear
      • Camshaft idler gear
      • Accessory drive gear
      • Fuel pump drive gear
  • All plans exclude aftertreatment component failures


School Bus Coverage & Pricing - 
EPA 2021 and CARB 2022 Products


B6.7 and L9  

EXC - Complete engine coverage minus belts, hoses, starters, alternators, aftertreatment and non-Cummins accessories.

NEC - Engine coverage includes EGR components excluding all maintenance components and accessories which bear the name of another company.

SMC - Major components

Coverage purchase must be documented on a Cummins Extended Coverage Certificate. The certificate must be signed and dated by the customer. For complete coverage details see legal description (Bulletin NEC- 3605912, SMC- 5410621, EXC-3385468)

Questions on coverage content or certificate registration contact: Local Factory Representative or Cummins Distributor