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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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| Engine Number | 4B3.9, 6B5.9, 6C8.3, B4.5, B5.9 G, B5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, ISB (CHRYSLER), ISB CM2150, ISB CM550, ISB CM850, B3.3, B4.5 CM2350 B146C, B6.7 CM2350 B121B, G8.3, ISB CM2150 E, ISB/ISD4.5 CM2150 SN, B6.7 CM2450 B155B, B6.7N CM2380 B150B |
| Compatible Engine Brand | For CUMMINS |
| original | 3925852, 3918275, CU3925852, 392585200 |
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Official answers about compatibility, package contents, specifications, installation, shipping, and warranty for Alternator Pulley 3925852 3918275 for Cummins Engine 4B3.9 6B5.9 6C8.3 B6.7 QSB3.9 QSB6.7 QSL9 QSB4.5 ISL9 (SKU: ESY27900).
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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.
