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Cummins 4B 3.9L Piston Kit - Naturally Aspirated - Emissions Certified

  • Availability:
  • OEM Number: 3804980
  • Brand: Reliance
    Brand Info x Close Reliance

    Every Reliance part is produced to exacting standards to ensure the same or better reliability as the original part. In fact, for older engines current technology is often so improved that the part we make available today may actually be better quality than the same part used to assemble the engine originally.

    New and remanufactured internal engine parts, complete cylinder heads and long block assemblies for agricultural and industrial applications supplied by RPP are warranted to be free from defects in material and workmanship under normal service and operating conditions for a period of one year from the date of installation without limitation on miles or hours of operation.

    Engine overhaul kits for heavy-duty on-highway applications supplied by RPP are warranted to be free from defects in material and workmanship under normal service and operating conditions for a period of two years from the date of installation without limitation on miles or hours of operation.

    Remanufactured clutch and non-engine parts are warranted to be free from defects in material and workmanship under normal service and operating conditions for a period of six months from the date of installation without limitation on miles or hours of operation.
This item ships for free (US only, excluding AK & HI)

Please choose your customizations:

Bore Size:
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This product qualifies for free ground shipping.

Free Shipping is only available in the United States (48 States).

Other shipping methods available at additional costs.

Additional fees apply to AK, HI and Canada.

$72.91
Price may change upon customization above.

WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov

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High Quality Parts
Our parts meet and exceed the OEM specifications.

Details:

Naturally Aspirated
Emissions Certified
239 Cubic inch

Piston Std (4.0165" Bore): 2514, 4975, 4976, 3581, 3582
Long Piston Pin: 3.255" OAL


Backhoes:  570LXT Series 2, 580L Series 2
Crawlers: 550G after ESN JJG0255793
Forklifts: 584E, 585E, 586E after ESN JJG251721, 585G, 586G, 588G
Skid Loaders: 1840, 1845C thru ESN 45636368 w/Bosch Pump, 85XT Case-IH w/Bosch Pump
Telescopic Handlers: 686G, 686GXR, 688G Series 2
Sky Trak: 5028
Windrowers: 8860, 8860HP


OEM Part Number Cross Reference(s): 3932514, 3804980