WHAT IT DOES
The cylinder block is the engine's main structure, carrying the cylinders, crankshaft bearings, oil galleries and coolant jackets. Replacement blocks are used for engine rebuilds after cracking or bore damage.

Cylinder Blocks · Cummins
OE 4376170
Aftermarket replacement for B2B importers, distributors, wholesalers and private-label programs.
Confirm final specification and application before ordering.
PRODUCT OVERVIEW
The TRUPA Cummins ISX / QSX15 Cylinder Block is an aftermarket replacement cylinder block referenced to OE number 4376170. It is listed for Cummins ISX QSX15 (ISX / QSX15). TRUPA supplies it to importers, distributors, wholesalers and private-label programs, with China export supply and partner-warehouse support in the USA and Brazil for eligible orders. Packed gross weight is approximately 430 kg, with a packing size of 1150 × 560 × 720 mm.
The cylinder block is the engine's main structure, carrying the cylinders, crankshaft bearings, oil galleries and coolant jackets. Replacement blocks are used for engine rebuilds after cracking or bore damage.
Listed for Cummins ISX QSX15. More parts for Cummins. Engine family: Cummins ISX / QSX15 / X15.
Blocks should be pressure-tested, with bore, deck and main-bearing alignment checked before supply. How TRUPA approaches quality control.

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