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Injector Line Set for Cummins 4B-390 Engines with Lucas / CAV Pump

SKU:
J903522K
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:
Injector Line Set (Rotary Lucas / CAV)
Cummins 4B-390 injector line set Lucas CAV pump
Part # J903522K

Fits Models At A Glance:

  • Cummins B-Series 390 Engines (Lucas / CAV Pump ONLY):

    • 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-Steer Loaders:

    • 1840, 1845C, 85XT

  • Case Trenchers:

    • 660, 760

  • Case Dozers:

    • 450C, 455C

    • 550, 550E, 550G

  • Case Wheel Loaders:

    • W11B

Key Notes:

  • Application:

    • Complete set of high-pressure fuel lines from injection pump to injectors

  • Injector Coverage:

    • Cylinders #1 through #4

  • Engine Type:

    • Cummins B-Series 4-cylinder diesel engines

  • Pump Type:

    • Lucas / CAV rotary injection pump ONLY

  • Pump Mounting:

    • 3-bolt flange configuration

  • Material:

    • Precision-formed steel fuel lines

  • Function:

    • Delivers metered high-pressure fuel for proper injection timing and combustion

  • Kit Part Number:

    • J903522K

  • Interchange:

    • Direct replacement for original Case injector line set

  • Notes:

    • Will NOT fit Bosch inline pumps

    • Will NOT fit Bosch rotary pump systems

Kit Includes:

  • #1 Injector Line – J903522

  • #2 Injector Line – J903523

  • #3 Injector Line – J903524

  • #4 Injector Line – J903525

Why Choose Broken Tractor:

  • ✅ Lucas / CAV Pump Specific:

    • Built exclusively for Cummins engines equipped with Lucas / CAV rotary pumps

  • ✅ Complete Matched Set:

    • All four injector lines formed for correct routing and equal fuel delivery

  • ✅ Fast Shipping from a U.S.-Based Team:

    • Reduce downtime with quick, reliable fulfillment

$165.00

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.

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Product: Category: Brand: Head Title: J903522K, Cummins 4B injector line set, Lucas CAV injector lines, Case Cummins fuel injector kit, Cummins 4B-390 injector lines