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.
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| Model Number | D7G, D7H, D8N, D6H, D6H II, 815B, 627E, 627F, 627G, 16H, 621E, 621F, 621G, 623E, 623G, 814B, 816B, 966D, 793C, 572G, 16G, 578, 16H NA, 623F |
| Engine Number | 3306, 3196, 3406, 3406B, 3408, 3406C, 3406E, 3516, 3516B |
| Compatible Model Brand | For CAT |
| Compatible Engine Brand | For CAT |
| original | CA2W5540, 2W-5540, 2W5540 |
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Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Radiator Core 2W-5540 for Caterpillar Engine 3196 3306 3406 3406B 3406C 3406E 3408 3516 3516B CAT 793C 814B 966D 623E 623F 627E 621E 623E 627E (SKU: ESY26293).
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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.
