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ProDieselParts
Premium Parts
Ring Set, Single Cylinder – ST Cummins Engine 4B 3.9
$2,065.47
— OR —
Piston w/Retainer & Rings .50 Cummins Engine 4B 3.9 – 4BT 3.9 – 4BTA 3.9 – 2 Valves
Piston FP–3908815; C.R. 17.5:1
Main Bearing Set – STD Cummins Engine 4B3.9 – 2 Valves
180 Degree Thrust
Piston w/Retainer & Rings ST Cummins Engine 4B 3.9 – 4BT 3.9 – 4BTA 3.9 – 2 Valves
Piston FP–3919041
Piston w/Retainer & Rings ST Cummins Engine 4B3.9 – 2 Valves
Piston FP–3911400; C.R. 17.5:1
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