null
CALL or TEXT (800) 909-7060

Engine Oil Cooler for Case Equipment with Cummins 6B/6BT590 Engine, J921558

SKU:
J921558
FitsModel:
680K, 680L, 780C, 780D, 850D/E/G, 850K Series 1, 1150E/G/H, 855D/E, 1155E, W14B/C, 621, 621B/C/D, 1088, 9030, 9030B, CX290
ListDescription:
Engine Oil Cooler (5.9)
Case Cummins Engine Oil Cooler J921557 | Broken Tractor
Part # J921558

Fits Models At A Glance

  • Case Backhoes: 680K, 680L, 780C, 780D
  • Case Dozers: 850D, 850E, 850G, 850K Series 1, 1150E, 1150G, 1150H
  • Case Crawler Loaders: 855D, 855E, 1155E
  • Case Wheel Loaders: W14B, W14C, 621, 621B, 621C, 621D
  • Case Excavators: 1088, 9030, 9030B, CX290

Key Notes

  • Part Number(s): J921558
  • Interchange Numbers: 3921558, 87416028, J918293, J911940
  • Weight: 5 lbs
  • Engine Fitment: Fits Cummins 6B590 and 6BT590 engines
  • Application: Cools engine oil to improve engine performance and longevity on Case backhoes, dozers, crawler loaders, wheel loaders, and excavators
  • Condition: Aftermarket replacement part
  • Construction: Quality construction for optimal durability in extreme working conditions

Why Choose Broken Tractor

  • OEM-Quality Parts Built for Long-Lasting Performance - Replacement components engineered to meet or exceed original specifications
  • Knowledgeable Support for Correct Fitment Every Time - Our team helps match the right part to your Case equipment
  • Fast Shipping from a U.S.-Based Team - Minimize downtime and keep your machine working
$85.00

Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.

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

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.

Privacy Policy | Terms & Conditions

Building Quality Since 2006  |  Copyright © 2026 Broken Tractor LLC - All Rights Reserved


Product: Category: Brand: Head Title: Engine Oil Cooler | Broken Tractor | J921558