L9N and B6.7N Major Components

Extended Coverage:  CWI L9N and B6.7N Major Components

Use the 6-year/300,000 mile (482,804 km) Major Components Plan to ensure against major repair costs on your 2018 Cummins Westport L9N and B6.7N engines, no matter where your business takes you.

Available on the L9N and B6.7N engine in the United States and Canada.
Major components coverage (CWG): 

  • 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 gear 
    • Accessory drive gear


Major Components -  Truck

YearsMilesKilometersL9N MatrixB6.7N Matrix
6300,000482,80421838952183896
Program ID: CWG

Major Components -  Transit/Shuttle Bus

YearsMilesKilometersL9N MatrixB6.7N Matrix
6300,000482,80421739952173996
Program ID: CWG

Coverage purchase must be documented on a Cummins Customized Assurance Plan Certificate.  The certificate must be signed and dated by the customer. 

For complete coverage details see legal description (Bulletin 3381346

Questions on Coverage Pricing/Content or Certificate Registration contact: Regional Factory Truck Representative or a Local Cummins Distributor

Questions on Filing Claims contact: Cummins Worldwide Claims Management