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#2 Injector Line for Case Cummins 4B-390 with CAV/Lucas Pump

SKU:
J903523
FitsModel:
480E, 480F, 580E, 580 Super E, 580K, 580 Super K, 580L, 480E LL, 480F LL, 570LXT, 584E, 585E, 586E, 1840, 1845C, 85XT, 660, 760, 450C, 455C, 550, 550E, 550G, W11B
ListDescription:
#2 Injector Line
Part # J903523

Fits Models At A Glance:

  • Cummins B-Series 390 Engines (CAV/Lucas Pump):
    4B-390, 4BT-390, 4BTA-390

  • Case Backhoe Loaders:
    480E, 480F, 580E, 580 Super E, 580K, 580 Super K, 580L

  • Case Loader Landscaper Models:
    480E LL, 480F LL, 570LXT

  • Case Forklifts:
    584E, 585E, 586E

  • Case Skid Steers:
    1840, 1845C, 85XT

  • Case Trenchers:
    660, 760

  • Case Dozers:
    450C, 455C, 550, 550E, 550G

  • Case Wheel Loaders:
    W11B

Key Notes:

  • Function: Delivers high-pressure fuel from injection pump to #2 injector

  • Injector Position: Cylinder #2, 2nd one from the Fan

  • Pump Type: CAV/Lucas Pump

  • Pump Mounting: 3-bolt flange only

  • Engine Type: Cummins B-Series 4-cylinder diesel

  • Material: Precision-formed steel fuel line

  • Part Number: J903523, 3903523

  • Application: Case construction, industrial, and material handling equipment

  • Interchange: Direct replacement for original Case injector line

  • Notes: Will NOT fit a Bosch pump  

Why Choose Broken Tractor:

  • ✅ Correct Pump-Specific Fitment: Designed for CAV/Lucas Pump

  • ✅ Precision Fuel Delivery: Maintains proper injector timing and pressure

  • ✅ Fast U.S.-Based Shipping: Minimize downtime on working equipment

$40.00

Shipping charges are calculated at checkout.
Items are NOT guaranteed to be in stock at the time of order.
Refunds are offered if the item is on back-order.

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Our knowledgeable staff will be happy to help you with any of your tractor, backhoe, dozer, or engine parts needs.

1-800-909-7060 Parts Request Form

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Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.

Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.

Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.

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Product: Category: Brand: Head Title: #2 Injector Line for Case Cummins 4B-390 with CAV/Lucas Pump