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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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| Engine Number | B5.9 GAS PLUS CM556, ISX, QSX, ISX15 CM2250, ISX CM570, QSX15 CM570, ISX15 CM2250 SN, ISX15 CM2350 X101, QSX15 CM2250 ECF, QSX11.9 CM2250 ECF, ISX CM870, ISX CM871, ISX CM871 E, QSX15 CM2250, QSX15 CM2350 X105 |
| Compatible Engine Brand | For CUMMINS |
| original | 4759107, 3441722, 0491272, 4299091, 3682946, 2871292, 89440, 180885, 883020C2, 38587, 36165, 38609, 49563, 910074, 369128 |
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Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Belt Tensioner Assembly 89440 4299091 3682946 2871292 for Cummins Engine ISX QSX ISX15 QSX11.9 QSX15 (SKU: ESY35746).
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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.
