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It is described as a two-piece articulated piston, constructed with a forged steel crown and a cast aluminum skirt. It is installed inside the cylinder bore and connected to the connecting rod via the piston pin. The kit converts the pressure generated by combustion into reciprocating motion transmitted to the connecting rod and then to the crankshaft. The piston rings simultaneously ensure compression sealing, oil film control, and heat transfer from the piston to the cylinder bore. The kit consists of Engine Piston 1, Piston Ring Set 1, Top Keystone Piston Ring, Intermediate Piston Ring, Oil Control Piston Ring, and Piston Pin Retainers 2.
Equipped with Cummins ISL 850, ISL 8.9, ISL 8.9L, QSL 8.9, and QSL 8.9L engines.
To avoid installation errors, always verify at least one of the following: Engine Serial Number (ESN), CPL, Cummins QuickServe/OEM catalog, original piston number, crown number, CAPS injection system, or the piston’s physical dimensions.
It is described as a two-piece articulated piston, constructed with a forged steel crown and a cast aluminum skirt. It is installed inside the cylinder bore and connected to the connecting rod via the piston pin. The kit converts the pressure generated by combustion into reciprocating motion transmitted to the connecting rod and then to the crankshaft. The piston rings simultaneously ensure compression sealing, oil film control, and heat transfer from the piston to the cylinder bore. The kit consists of Engine Piston 1, Piston Ring Set 1, Top Keystone Piston Ring, Intermediate Piston Ring, Oil Control Piston Ring, and Piston Pin Retainers 2.
Equipped with Cummins ISL 850, ISL 8.9, ISL 8.9L, QSL 8.9, and QSL 8.9L engines.
To avoid installation errors, always verify at least one of the following: Engine Serial Number (ESN), CPL, Cummins QuickServe/OEM catalog, original piston number, crown number, CAPS injection system, or the piston’s physical dimensions.
Piston Body w/o Pin – STD Cummins Engine V6-378
Piston Body w/o Pin – STD Cummins Engine V6-378
Piston Body w/o Pin – STD Cummins Engine V8-504
Piston Body w/o Pin – STD Cummins Engine V8-504
Cylinder Liner Cummins Engine V6 378 & V8-504
O-Ring Seal Cylinder Liner Cummins Engine V6-378 & V8-504
Piston Retainer Ring Cummins Engine V6-378 & V8-504
Piston Body Cummins Engine V6-378 & V8-504
Piston Body w/o Pin – STD Cummins Engine V8-555
Piston Pin Cummins Engine V6-378 & V8-504
Piston Ring Set Cummins Engine V6 378 & V8-504
Square O-Ring Seal Cylinder Liner Cummins Engine V6-378 & V8-504
Piston Body w/o Pin – STD Cummins Engine V8-903
Piston Cooling Nozzle Cummins Engine 4B 3.9-Engine 4BT 3.9- Engine 4BTA 3.9
Piston Cooling Nozzle Cummins Engine 6B 5.9-Engine 6BT 5.9- Engine 6BTA 5.9
Piston Cooling Nozzle Cummins Engine 6CT 8.3
Piston Cooling Nozzle Cummins Engine ISB 4.5
Piston Cooling Nozzle Cummins Engine ISB 6.7
Piston Cooling Nozzle Cummins Engine ISC -Cummins Engine QSC
Piston Cooling Nozzle Cummins Engine ISL 10
Piston Cooling Nozzle Cummins Engine ISL 10
Piston Cooling Nozzle Cummins Engine ISL 10
This is a Cummins piston cooling nozzle, mounted internally in the engine block. Its function is to spray engine oil onto the underside of the piston to reduce its temperature and aid in lubrication. The part number is confirmed as an original Cummins replacement part.
Equipped with Cummins L10 / LTA10 engines; M11: 1855, 1856, 2037, 2370, 2371, 2607; ISM and QSM: 2350, 2728, 2729, 8556, 8557, 8558.
I recommend always verifying at least one of the following pieces of information: ESN (Engine Serial Number), CPL, the Cummins QuickServe catalog, the cylinder block number/casting number, the old number stamped on the component, the complete engine model, and the machine application.
This is particularly important if the customer specifies L10 or a specific industrial application, because not all variants use the same piston cooling nozzle.
Piston Cooling Nozzle Cummins Engine ISX-Cummins Engine QSX
Piston Cooling Nozzle Cummins Engine KTA19-Cummins Engine QSK19
Piston Cooling Nozzle Cummins Engine L10- Cummins Engine ISL-Cummins Engine QSL
Piston Cooling Nozzle Cummins Engine QSB 4.5-Engine QSB 5.9- Engine QSB 6.7
This is a Cummins piston cooling nozzle, mounted internally in the engine block. Its function is to spray engine oil onto the underside of the piston to reduce its temperature and aid in lubrication. The part number is confirmed as an original Cummins replacement part.
Equipped with Cummins L10 / LTA10 engines; M11: 1855, 1856, 2037, 2370, 2371, 2607; ISM and QSM: 2350, 2728, 2729, 8556, 8557, 8558.
I recommend always verifying at least one of the following pieces of information: ESN (Engine Serial Number), CPL, the Cummins QuickServe catalog, the cylinder block number/casting number, the old number stamped on the component, the complete engine model, and the machine application.
This is particularly important if the customer specifies L10 or a specific industrial application, because not all variants use the same piston cooling nozzle.
Piston Cooling Nozzle Cummins Engines NH 855 and NT 855
Piston Kit w/Pin & Retainers Cummins Engine N14
For engines CPL numbers: 1807, 1833, 2027, 2038, 2330, 2389, 2575, 2590.
Piston Kit w/Pin & Retainers Cummins Engine N14
For engines CPL numbers: 1809, 1844, 1852, 1896, 1921, 1924, 1987, 2003, 2025, 2033, 2143, 2228, 2261, 2287, 2306, 2388, 2390, 2391, 2403, 2453, 2492, 2529, 2591, 2592, 2659, 8023, 9921, 9925, 9951.
Piston KitPiston Kit w/Pin & Retainers – Cummins Engine ISM- M11 w/Pin &Piston Kit w/Pin & Retainers – Cummins Engine ISM- M11 & QSM Retainers – Cummins Engine ISM-Cummins Engine M11
Engines CPL numbers:
1841, 1855, 1856, 1857,1885, 1897, 1973, 1991, 1992, 1993, 2012, 2036, 2037, 2040, 2041, 2042, 2097, 2099, 2119, 2140, 2141, 2165, 2178, 2201, 2204, 2207, 2336, 2339, 2363, 2370, 2371, 2378, 2425, 2445, 2503, 2539, 2540, 2541, 2542, 2543, 2809, 2811,2812, 2916, 2917, 2918.
Included :
• Piston
• Piston pin
• Piston pin retainer
• Piston ring set
Piston Kit w/Pin & Retainers – Cummins Engine ISM-Cummins Engine M11
Engines CPL numbers: 8271, 8556, 8557.
Included :
• Piston
• Piston pin
• Piston pin retainer
• Piston ring set