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Fuel Return Line for Case Cummins 4B Engines with Inline Bosch Pump

SKU:
J927633
FitsModel:
1840, 1845C, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT, 580L, 580 Super L, 590 Super L, 580M, 580 Super M, 590 Super M, 570LXT, 580MXT, 860, 960, 584E, 585E, 586E, 585G, 586G, 588G, 521D, 550G, 550H, 650G, 650H, 560K, 750H, 750K, 850K
ListDescription:
Fuel Return Line (Inline Bosch)
Part # J927633

Fits Models At A Glance:

  • Cummins B-Series Engines (Inline Bosch Pump Only):
    4-390, 4T-390

  • Case Skid Steers:
    1840, 1845C, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT

  • Case Backhoe Loaders:
    580L, 580 Super L, 590 Super L, 580M, 580 Super M, 590 Super M

  • Case Loader Landscaper Models:
    570LXT, 580MXT

  • Case Trenchers:
    860, 960

  • Case Forklifts:
    584E, 585E, 586E, 585G, 586G, 588G

  • Case Wheel Loaders:
    521D

  • Case Dozers:
    550G, 550H, 650G, 650H, 560K, 750H, 750K, 850K

Key Notes:

  • Function: Returns excess fuel from injectors back to fuel system

  • Fuel System Location: Injector return circuit

  • Pump Type: Bosch inline injection pump 

  • Pump Mounting: 4-bolt inline configuration only

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

  • Material: Formed steel fuel return line

  • Part Number: J927633, 3927633, 3966863

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

  • Interchange: Direct replacement for original Case fuel return line

  • Notes: Will NOT fit rotary 3-bolt Bosch or CAV/Lucas pump systems

Why Choose Broken Tractor:

  • ✅ Pump-Specific Accuracy: Built exclusively for inline Bosch fuel systems

  • ✅ Reliable Fuel Flow: Maintains proper return pressure and injector balance

  • ✅ Fast Shipping from a U.S. Warehouse: Reduce downtime on working machines

$85.00

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.

Can’t Find What You’re Looking For?

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

FEATURED PRODUCTS

See Details

Fuel Return Line for Cummins 4B390 Engines

Fits Model 480E, 480F, 580E, 580 SE, 580K, 580 SK, 590, 590 SL, 450C, 455C, 550, 550G, 550H, 650, 650G, 1840, 1845C, 40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT, 584E, 585E, 586E, W11B, 688, 888, 9010, 9010B, 9020, 9020B, 480E LL, 480F LL, 570LXT, 686G,
Description Fuel Return Line
Part # J909695
Price
$80.00
View Details

Shipping & Return Policy

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: Fuel Return Line for Case Cummins 4B Engines with Inline Bosch Pump