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fits Cummins
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Cummins 4B, 6B Injector

Cummins 4B, 6B Injector 7MM tip / 12mm nut

SKU: 3802328-RE
$5500
Out of Stock
Currently unavailable
Condition: New Aftermarket
Cross-References:
The RF Engine Advantage
Family Operated Since 1975

Original Equipment Quality

Parts that meet or exceed OEM specifications. Guaranteed performance you can trust. Reliability built into every component.

100+ Years of Expertise

A century of collective diesel knowledge and 10+ acres of engines and engine parts, we are more than just an online reseller or call center. We know heavy-duty diesel.

Here for the Long Haul

Same location and same phone number for the last 50 years. Same commitment to getting you the right parts at the right price.

New, Reman, & Used

RF Engine offers an expansive offering of new aftermarket, remanufactured, and used engines and engine parts all under one roof.

Details

Injector “ Cummins 4B, 4-390, 4B3.9L, 6B, 6-590 Includes: Natural, 7MM Tip, 12MM Nut, 155° spray angle, 4 spray orifice, .29mm spray orifice size, 220 “ 228 Bar (3190 to 3307 PSI) Opening Pressure Fits: 5130, 5230, 5240, 5250 Cpl's: 721 591 Cross Reference: J919304, JR919304, 3907173, 3909532, 3802037, 3802178, 3802328, 3919304, 3802328RX, 0432131875 Applications Fits: 5130, 5230, 5240, 5250 All manufacturer™s names, numbers, and symbols are registered trademarks of these manufactures and are supplied for reference purposes only. R. F. Equipment, Inc. / R. F. Engine is in no way implying that any part listed is the product of these manufacturer™s or that we are affiliated with any of these manufacturer™s. Cost per 1 Injector Exchange Required Core can be sent in advance, or you can pay an additional refundable core charge. Delphi Core Requirements Units must be properly indentified with their part number All acceptable cores must be intact and not damaged Fire damaged injectors will not be accepted Unacceptable cores will be scrapped immediately Cores must be returned within 12 months from the date of purchase The core return policy for the Delphi Exchange Electronic Unit Injector program is as follow: All Volvo and John Deere Electronic Unit Injector (EUI) cores returned must be exact replacement for unit ordered. Cores will not be accepted if they do not match replacement unit. For Series 60 cores please reference below: Group classification of cores: Group 1 - EX634785, EX634795, EX634865, EX634870, EX634935, EX634940, EX634945, EX634970 Group 2 - EX635550, EX635575, EX635580, EX635600, EX635605, EX635695, EX635915 Group 3 - EX636977, EX636978, EX637045, EX637466, EX637635, EX637650 Cores will be accepted for any of the Exchange Injectors within the specfic group classification. Example; if you purchased EX634795 you can return any of the part numbers listed in group 1 ONLY. Units must be properly indentified with their part number All acceptable cores must be intact and not damaged Fire damaged injectors will not be accepted Unacceptable cores will be scrapped immediately Cores must be returned within 12 months from the date of purchase CM117-3802328-RE Updated 2017-04-19 To avoid delays we recommend checking stock and availability prior to hitting "Buy it now". We can be contacted through eBay, by email or by phone. Many of the products offered are drop-shipped from the manufacturer to keep prices as low as possible. Items over 100 lbs are recommended to be shipped "truck freight", call for truck freight quote. We do not use freightquote.com; however we can beat most freight quotes found on our truck freight listings. TRUCK, AIR AND INTERNATIONAL FREIGHT ARE NON-REFUNDABLE for any reason. All customs duties and fees are up to the buyer and not included in any shipping costs. THANK YOU R.F. Engine

Warranty Information

Reliance Power Parts Warranty Policy

The Reliance Power Parts (RPP) warranty policy covers parts and labor necessary to repair a warrantable failure to the functional condition of the application that existed immediately prior to the failure, as detailed below. This warranty applies to direct customers of RPP only and is non-transferable.


Coverage Periods

  • New Internal Engine Parts (Ag/Industrial): 1 year from invoice date, unlimited miles/hours
  • Engine Overhaul Kits (Heavy-Duty On-Highway): 2 years from invoice date, unlimited miles/hours
  • New Engine Accessories: 1 year from invoice date, parts replacement only
  • Remanufactured Engine Accessories: 6 months from invoice date, parts replacement only
  • Remanufactured Engine & Drivetrain Parts: 6 months from invoice date, parts replacement only
  • Drivetrain Parts: 1 year from invoice date, parts replacement only
  • Complete Engines & New Long Blocks (Reliance Manufactured): 6 months from invoice date, parts replacement only
  • Remanufactured Long/Short Blocks & New Short Blocks (Reliance Manufactured): 90 days from invoice date, parts replacement only

Engine accessories include turbochargers, fuel injectors, hydraulic pumps, engine oil pumps, oil coolers, water pumps, and electrical components.


Manufacturer's Warranty Items

To serve a wider application base, RPP offers lower volume, rare application, and remanufactured parts from a variety of manufacturers. These parts will be noted on your invoice as subject to a "Manufacturer's Warranty" policy and are not covered under this policy. Engines, long blocks, medium blocks, and short blocks produced by any company other than Reliance are solely covered by the manufacturer's warranty. Contact your Reliance representative for details.


Parts & Labor Coverage

  • Parts: Covered at current customer pricing using new or remanufactured RPP approved parts
  • OEM/Outside Parts: When RPP parts are available, OEM parts will be credited at RPP pricing. Parts not available from RPP will be covered at billed rate with invoice required
  • Labor: Offered at RPP's discretion, not to exceed published flat-rate times and maximum regional wholesale hourly labor rate
  • Holiday/Overtime Rates: Not covered

What's Not Covered

This warranty does not cover failures resulting from:

  • Owner or operator abuse or neglect
  • Operation without adequate coolant, fuel, or lubricants
  • Over-fueling or over-speeding
  • Lack of maintenance of lubricating, coolant, or air intake systems
  • Improper storage, starting, warm-up, run-in, or shut-down practices

Coverage does not include:

  • Troubleshooting or diagnostic time
  • Towing, transport, or down-time
  • Rental fees or incidentals
  • Delivery charges, travel, meals, or lodging
  • Business losses, docking, or harbor charges

Responsibilities

  • Installer: Ensure parts are correct for the application and install according to OEM procedures, specifications, and accepted industry standards
  • Owner: Operate and maintain equipment as specified in OEM operation and maintenance manuals

How to File a Claim

  • RPP must be notified prior to the end of the warranty period
  • All warranty repairs must be authorized by RPP technical staff
  • Request a Warranty Claim Form for the return of parts
  • Return all claimed parts to the indicated location within 30 days of receiving a Return Merchandise Authorization
  • Include failed parts, completed Warranty Claim Form, and copies of related work orders or invoices
  • Ship parts freight pre-paid in a condition that makes examination possible
  • Parts received without a Warranty Claim Form will be returned freight collect

Important Notes

  • Professional Installation Required: We strongly recommend installation by a qualified technician to ensure proper break-in and operation
  • Keep Your Records: Retain your invoice and service records for warranty claims
  • Questions?: If you're unsure about coverage or need assistance, please contact us

The warranties set forth herein are the sole warranties made by RPP regarding its parts. RPP makes no other warranties, expressed or implied, of merchantability or fitness for a particular purpose.

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All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.