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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.
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| Model Number | 7A, 7S, D7R, D8R, 583R, 587R, D8R II, D7R II, 572R II |
| Engine Number | 3306, 3176C, 3406, 3406C, 3406E |
| Compatible Model Brand | For CAT |
| Compatible Engine Brand | For CAT |
| original | CA1139539, 113-9539, 1139539 |
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Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Radiator Core 113-9539 for Caterpillar Engine 3176C 3306 3406 3406C 3406E CAT 583R 587R D7R D8R (SKU: ESY26297).
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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.
