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4899239 | Cummins Rocker Cover Isolator

Pricing: $2.46


When it comes to Rocker Cover Isolators, 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 Rocker Cover Isolators 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 Rocker Cover Isolator that will keep you running for another million miles.

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

  • Don't risk buying from the other guys. At HHP you'll get a rocker cover isolator built to OEM specifications, which gives you proper fit and functionality.
  • Do you want to save money without sacrificing quality? We got you covered. All HHP parts are equal or better quality compared to the OE at a much lower price  
  • To top it off, this rocker cover isolator is manufactured and assembled in an ISO 9001:2015 certified facility. This ensures you will get quality and consistency.  


  • (1) Rocker Cover Isolator


2-Year Parts and Labor Warranty
OEM Applications:
  • 4899239

Technical Data

Fits Applications:
4B Requires a Quantity of 4
6B Requires a Quantity of 6


  • P268376
  • P268376
  • HHP
  • New


Shipping Information

  • Item Requires Shipping
  • 0.0 lbs.
  • W5.0000” x H0.7500” x L3.0000”

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