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 | 330, 320D, 930H, D5R, D6N, 416, 426, 950M, 962, 910K, 914K, 428, 420, 430, 432, 434, 444, D3K, D4K, D5K |
| Engine Number | C4.4, C6.6, C7.1 |
| Compatible Model Brand | For CAT |
| Compatible Engine Brand | For CAT |
| original | 278-5126, 2785126, CA2785126 |
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Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for 12 PCS Push Rod 278-5126 for Caterpillar CAT C4.4 C6.6 C7.1 Engine D3K D4K D5K D5R D6N 320D 330 416 420 426 428 430 432 434 444 914K 910K 930H 950M 962 (SKU: ESY29878).
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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.
