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2001 Chevrolet Silverado 2500 HD, Fuel Supply Photo
Posted to the Waveform Library on 5/2/2007

This shows a view of one of the pistons in the high pressure pump. The smallest diameter in that hole is the piston. The outer section doesn't move.

 

car Vehicle Data

2001 Chevrolet Silverado 2500 HD 6.6L

VIN 1GCHK291X1
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
ComponentOther

car Vehicle Data

2001 Chevrolet Silverado 2500 HD 6.6L

VIN 1GCHK291X1
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
ComponentOther