NEW FUEL SHUT OFF SOLENOID WITH 3" FLANGE WIDTH FOR MOTORHOME 5.9L OR 8.3L CUMMINS / FORD FREIGHLINER 3935649
Ensure reliable engine shutdown and fuel control with this brand-new fuel shut off solenoid designed for Cummins 5.9L and 8.3L diesel engines. This solenoid features a 3-inch flange width, making it a direct-fit solution for various RV, motorhome, and commercial truck platforms including Ford and Freightliner chassis equipped with Cummins ISC and ISB engines.
Whether you're replacing a worn-out solenoid or resolving hard start/engine run-on issues, this unit offers consistent actuation and long-lasting durability. Engineered to OEM specifications, it delivers smooth, responsive shutoff control under varying load and heat conditions.
What’s Included in the Kit:
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(1) New Fuel Shut Off Solenoid with 3" Flange Width
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Pre-installed electrical connector and harness pigtail
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Mounting hardware not included (reuse factory bolts where applicable)
Features and Benefits:
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Direct Replacement for OEM Part Number 3935649
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3” Flange Mounting Width: Fits a wide range of Cummins ISC/ISB platforms
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Restores Proper Engine Shutdown: Solves issues with delayed or failed shutoff
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Durable Coil Windings: Resists vibration, heat, and fuel contaminants
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Designed for Motorhomes & Commercial Use: Compatible with RVs, buses, and medium-duty trucks
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Plug-and-Play Fitment: No splicing or modifications needed
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Heavy-Duty Construction: Steel plunger and reinforced internal seals
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Cost-Effective Alternative to OEM Solenoids
Compatibility / Truck Applications:
Engine Platforms:
- 5.9L Cummins ISB Diesel
- 8.3L Cummins ISC Diesel
Vehicle Applications:
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Freightliner Custom Chassis (RVs, buses, medium-duty trucks)
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Ford F-Series Super Duty (medium-duty trucks equipped with Cummins)
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Various motorhomes and RVs powered by Cummins ISB/ISC engines with Bosch P7100 pump
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Confirm 3” flange width and mounting configuration prior to purchase
Replaces OEM Part Numbers:
- 3935649, 0503-1848, SA-4756-12, SA-4756-24 (varies by voltage application)
Designed specifically for high-demand diesel applications like motorhomes, buses, and vocational trucks, this solenoid delivers dependable engine fuel control in every environment. From cold starts to long-haul journeys, count on it to respond quickly and shut down cleanly when needed.
Shipping Disclaimer:
✔️ We ship via USPS, UPS, and FedEx.
✔️ Carrier selection is based on package size, weight, and destination.
✔️ Expedited shipping options available, call to check freight options
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ Orders placed on weekends or holidays will be processed on the next business day.
✔️ Tracking information will be provided once the item ships.
✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.
California Proposition 65 Warning:
This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Cummins Part #
- 3931570, 3935649, 4089574 (Cummins 6CT Ford)
- VW No: 2U0130764
- Ford Part No: BG2X9N392AA
- Woodward No.: SA-4765-12
- Voltage: 12V
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