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4937308 | Cummins B-Series Piston Cooling Nozzle

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Availability: In Stock & Ready to Ship!
Pricing: $6.49

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When it comes to Piston Cooling Nozzles, why risk your engine?

Don’t let a small part turn into a major repair. We wouldn't risk putting sub-par parts into our engines, so why should you?

HHP only sells Piston Cooling Nozzles that are manufactured in a state of the art facility using top of the line machining and measuring equipment to ensure each part is manufactured to OEM specifications. Combine this with up to 50% off OEM prices, an industry leading 2-Year Parts and Labor Warranty and technical expertise from HHP’s certified staff, and you’ve got a quality Piston Cooling Nozzle that will keep you running for another million miles.

Need a little extra proof? Let's talk shop.

  • You'll receive a brand new piston cooling nozzle that is manufactured and assembled in an ISO 9001:2008 certified facility. This ensures great quality and consistency of parts!
  • Want more cash on hand? HHP has your back! You'll get quality that meets or exceeds the OE's at a much lower price!
  • You can sleep soundly knowing that this piston cooling nozzle conforms to strict OEM specifications giving you proper fit and function!


  • (1) Piston Cooling Nozzle


2-Year Parts and Labor Warranty

OEM Applications

  • 3968877
  • 4892226
  • 4937308
  • 4890024

Technical Data

Fits Applications:
ISB/QSB 4-Valve
4B requires a quantity of 4
6B requires a quantity of 6

Shipping Information

  • Item Requires Shipping
  • 0.1 lbs.
  • W4.0000” x H1.0000” x L4.0000”

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