External transmission oil cooler

  • Standard on XFE and SLT models
  • Heavy-duty air-to-oil cooler

On Work Truck, requires available Trailering Package, Snow Plow Prep Package or Heavy Duty Cooling Package. On SL and SLE models, requires available Trailering Package, Snow Plow Prep Package or Vortec 6.2L V8 SFI engine.