Fuel Shutdown Solenoid 307-1101 SA-1637-24 for Onan MEP002A and MEP003A generator sets

307-1101 Configuration-Specific Diesel Shutdown Solenoid

307-1101 is a coded shutdown solenoid for Onan MEP002A and MEP003A generator sets. The full number is functional data: voltage, mounting, plunger, grounding, terminals, boot and spring can change with individual suffix characters. Keep the complete code intact on the RFQ, purchase order and carton label.

307-1101 Product Information

Complete-Code Approval for 307-1101

Match the complete stamped reference because voltage, winding, mounting, terminals, output geometry and duty can differ within the same family.

Electrical and Mechanical Checks for 307-1101

Check the electrical command, component response and final mechanical movement as separate observations. This prevents a wiring, control-module or linkage fault from being mistaken for a failed replacement part.

307-1101 Replacement Approval Checklist

Release the order only after electrical, mechanical and application evidence agrees with the removed assembly.

307-1101 Technical FAQ

How should the voltage versions of 307-1101 be separated?

Keep the complete voltage-specific reference and old-unit marking on every order line. Similar housings do not make different coils interchangeable. Measure system voltage at the original connector during operation, then label inventory by both OE and voltage so mixed fleets cannot receive the wrong electrical version.

What should be checked on Onan MEP002A and MEP003A generator sets before ordering 307-1101?

Use 307-1101 / SA-1637-24 as the first control, then compare the old label, voltage, connector face, mounting-hole centers, output end and operating direction. Record the engine or machine model and serial number, but do not use the model name alone because production changes can introduce another shutdown arrangement.

Why must the complete 307-1101 suffix be retained?

The suffix can encode mounting, plunger thread, grounding, terminals, boot and spring family. Shortening the code can merge non-interchangeable parts in purchasing records. Photograph every readable character and retain the full string on the RFQ, order and carton label.

Can another solenoid with the same voltage replace 307-1101?

Voltage is only one control point. Mounting style, plunger thread, energized direction, terminal arrangement, grounding, boot clearance and required force must also agree. Compare the complete code and removed-part dimensions instead of selecting by coil voltage alone.

What causes a start-then-stop fault on this coded solenoid?

The pull circuit may move the plunger during cranking while the hold circuit fails after the start signal is released. Measure hold-terminal voltage under load, inspect relay logic and connector resistance, and confirm the plunger reaches full travel.

What should be compared with the removed 307-1101 assembly?

Compare the full label, voltage, connector face, terminal count, mounting-hole centers, body orientation, output end, resting length and working travel. Include one wider installed photo showing pump, lever or surrounding clearance because close product images can hide the geometry that decides fitment.

How can repeat electrical or coil damage be prevented?

Correct the original failure cause before installation. Check supply voltage, pull/hold timing, linkage resistance, mechanical stops, terminal tightness, heat and moisture exposure. A new unit can fail quickly when the high-current stage remains energized or the output cannot complete its designed stroke.

Request a Quote for 307-1101

Send the complete reference group, confirmed voltage, Onan MEP002A and MEP003A generator sets, removed-part photos, measurements and order quantity for a fitment-focused B2B quotation.