3926631 Cummins Piston Kit For Cummins 4BT 6BT5.9 Engines
3926631 piston kit for Cummins 4BT engines.
SKU: 3926631
DescriptionAdditional information
3926631 is the piston kit fitted to Cummins 4BT engines. It is made from zL109 high silicon aluminum alloy. Published figures include bore diameter 102mm (4.02 inches) standard size, compression ratio 17.3:1, combustion chamber diameter 51.5mm.
Specifications
Part Number
3926631 C3926631
Engine Compatibility
Cummins 4BT 3.9L and 6BT 5.9L series mechanical injection engines
Material
Hypereutectic silicon-aluminum alloy casting
Bore Diameter
102mm (4.02 inches) standard size
Compression Ratio
17.3:1
Total Height
105.4mm
Compression Height
71.5mm
Combustion Chamber Diameter
51.5mm
Piston Pin Diameter
20mm (0.787 inches)
Piston Ring Grooves
3 compression rings + 1 oil ring (3.1+2.4+4mm)
Unit Weight
Approximately 650g (1.43 lbs)
Key Features
ZL109 high silicon aluminum alloy
Engine Compatibility: Cummins 4BT 3.9L and 6BT 5.9L series mechanical injection engines
