A Component Comparison from the Previous Year
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Exhaust gas recirculation (EGR) system has been deleted on all applications.
- A spacer plate between the crankshaft and flywheel is required for applications using the 4L80-E transmission.
- All 2003 applications use a piston with a graphite coated skirt.
- The 6.0L LQ9 engine, VIN N, is available as an optional engine package.