Description
MB6G –
Genuine USED Cummins 3679037 piston cooling nozzle banjo bolt for compatible Cummins ISX15 and QSX15 diesel engines.
This OEM banjo bolt secures the piston cooling nozzle oil connection to the engine, allowing engine oil to flow through the connection and into the piston cooling nozzle. Proper oil delivery to the piston cooling system is essential for controlling piston temperatures during engine operation.
Product Specifications:
- Manufacturer: Cummins
- Part Number: 3679037
- Part Type: Piston Cooling Nozzle Banjo Bolt
- Thread Size: M14
- Thread Pitch: 2.0 mm
- Thread Length: 37 mm (approximately 1.46″)
- Engine Applications: Cummins ISX15 and compatible QSX15 diesel engines
- Material: Steel
- Condition: New OEM (if applicable)
- Quantity: 1 bolt
This genuine Cummins replacement part is suitable for compatible engine rebuilds, piston cooling nozzle repairs, and lubrication system maintenance.
Verify compatibility using your engine serial number and original part number before ordering. Sealing washers and additional hardware are not included unless specifically shown in the product photos.


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