PRO Program members can receive tiered savings on this line—up to 20% more off for qualifying accounts.
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Built to support repair shops, fleets, and equipment owners with dependable parts sourcing and responsive service.
Qualifying new parts include 1-year coverage. Review the Warranty Policy section for coverage details, claim steps, and exclusions.
Eligible orders may qualify for returns within 90 days. See the Easy Return Policy section for conditions and next steps.
Send a question through Ask a Product Question or the contact form. Our team reviews requests on business days and follows up as quickly as possible.
| Model Number | MAXXUM 100, MAXXUM 110, MXU100, MXU110, MAGNUM 180, MAGNUM 190, MAGNUM 210, MAGNUM 225, MAXXUM 115, MAXXUM 120, MAXXUM 125, MAXXUM 130, MAXXUM 140, MXU115, MXU125, MXU130, MXU135, PUMA 130, PUMA 145, PUMA 155, PUMA 160, PUMA1654, PUMA1804 |
| Engine Number | PX140, PX170, F4CE0654B B601, F2CE9684U E026, F4GE9454K J604, PX85, PX70, F4DFE613B A004, F4DFE6132 B007, F4HFE413P A001, F4HFE613B B006, F4HFE613H B003, F4HFE613J B005, F4HFE613K B002, F2CFE613A B006, F2CFE613A B007, F2CFE613A B042, F3AE0684J B901, F4CE0 |
| Compatible Model Brand | For CASE |
| Compatible Engine Brand | For CASE |
| original | 504028028, 87803067, 2856945, 4892866, 504315781, 504315786, 534026610, 2855622, 2852161 |
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Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Belt Tensioner 504028028 2856945 504315786 for CASE Loader 440CT 445CT 580M 570MXT 580SN 590SM (SKU: ESY48272).
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Every new aftermarket part from us includes a 1-year warranty. Full terms, coverage, and how to make a claim: Warranty Assistance.
We ship to customers around the world. Orders are sent with our standard courier service—trackable, dependable, and easy to work with. On this product page, use Get Estimate under the price to see shipping cost and estimated delivery for your location. For destinations, rules, and full details, read our Shipping Policy Details.
We want you to be confident in your order. If you are not satisfied, you may qualify for a return or refund within 90 days, subject to conditions. See our Easy Return Policy for eligibility, steps, and exceptions.
