1503ES-12S5SUC5S Stop Solenoid, 12V — aftermarket replacement for Woodward engine control systems. Guangzhou warehouse stock enables same-day dispatch on this fast-failure item. Send a photo of your worn or painted-over nameplate and our team confirms compatibility within hours. One-piece minimum order with express, air, or sea freight options quoted upfront.
In-Stock Ready — 12V stop solenoid replacement for Woodward-compatible systems sits on our Guangzhou warehouse shelf, packed and labeled for same-day dispatch when orders clear before the daily cutoff.
| Parameter | Value |
|---|---|
| Part Number | 1503ES-12S5SUC5S |
| Product Type | Stop Solenoid |
| Voltage | 12V |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Cross-Reference | 1503ES12S5SUC5S, SA4562-T, SA4562T, SA-4920, SA4920, 1503ES-24S5SUC5S, 1503ES24S5SUC5S, SA-4850, SA4850 (reference only) |
| Machine Fitment | Engine control systems requiring 1503ES-12S5SUC5S replacement solenoid |
| Manufacturing Standard | ISO-certified facility |
| Failure Symptom | Replacement Urgency |
|---|---|
| Engine refuses to shut down via key or ECU command | Immediate — machine cannot operate safely without fuel cutoff control |
| Solenoid clicks but plunger does not travel fully | High — partial engagement risks fuel starvation or uncontrolled shutdown |
| Intermittent no-start with solenoid drawing current | High — electrical fault may cascade to ECU or wiring harness |
| Visible corrosion or burnt connector terminals | Medium — schedule replacement before next field deployment |
| Solenoid body cracked from vibration or heat exposure | Immediate — housing breach allows fuel or moisture ingress |
Every day a machine stays down, rental fees keep running, crew wages still post, and the project schedule slips further behind schedule. The frustration compounds when a single small component holds up an entire worksite. A stop solenoid in stock at the right voltage and stroke length is often the only thing between a dead machine and a productive shift. [NEED_CITE: construction equipment downtime cost impact on project schedules]
I have watched site supervisors cycle through local suppliers, each promising the part is "on the way," only to discover the warehouse was in another country all along. By the time the correct 1503ES-12S5SUC5S replacement finally arrives, three days of excavator time have evaporated. That pattern repeats across excavators, bulldozers, generators, and heavy-duty industrial engines working demanding environments from mining pits to urban construction zones.
Speed means nothing if the wrong part ships. This 12V stop solenoid sits in our Guangzhou warehouse alongside other fast-failure engine auxiliary components, ready for fast shipping replacement dispatch the moment an order confirms. When a nameplate is faded, painted over, or completely missing, send a clear photograph of the old solenoid body, the mounting bracket, or even the connector plug. Our technical team cross-references visual details against known variant differences to lock in the correct unit before it leaves the shelf. One piece is the minimum — no padded order quantities blocking a single-unit emergency purchase.
Once the 1503ES-12S5SUC5S replacement clears quality check, three freight paths open depending on urgency and destination. Express courier typically delivers within a few business days for regions with direct air links. Air cargo suits heavier consolidated shipments arriving within roughly one week. Sea freight handles bulk restocking orders on a longer timeline. Every quote includes an estimated arrival window matched to the chosen method, so buyers know the delivery date before committing. [NEED_CITE: international freight transit time variables for heavy machinery parts]
The 12V rating means this stop solenoid is engineered for machine electrical systems running standard low-voltage circuits common across excavators, generators, and industrial diesel platforms. Voltage tolerance directly affects coil heat buildup — an overvolted solenoid burns its insulation faster, while undervoltage leaves the plunger sluggish. The Woodward-compatible design matches the stroke length and pull force profile that engine control systems expect for reliable fuel rack actuation. ISO-certified manufacturing ensures coil winding consistency and terminal integrity, reducing the chance of a dead-on-arrival unit or early electrical failure.
Ordering by a number that looks right but belongs to a different voltage variant or stroke family means the solenoid physically bolts on but fails to pull the fuel rack far enough. The engine may start but will not shut down cleanly, or it may refuse to start at all. The machine sits dead a second time, the incorrect unit ships back, and another round of freight charges and lead times begins. On a mining site or a tight construction deadline, that repeated downtime carries penalties and reputation damage far beyond the component cost. [NEED_CITE: heavy equipment secondary downtime consequences on contractor penalty clauses]
Our Guangzhou warehouse stocks engine auxiliary components including stop solenoids for rapid dispatch, eliminating multi-week waits on common fast-failure items. One-piece minimum order supports emergency single-unit purchases without forcing unnecessary inventory. Part identification works from a part number, machine model, clear photograph, or worn nameplate image — whichever detail the buyer has on hand. Cross-reference verification covers superseded numbers and alternate references like SA4562-T and SA-4920, catching errors that copied tables often carry forward. Self-produced and qualified sourced lines carry identical QC and warranty terms under one account. Technical staff confirm voltage, stroke, and connector compatibility before dispatch. [NEED_CITE: aftermarket parts cross-reference verification standards]
Drop a message with the part number 1503ES-12S5SUC5S, a cross-reference like SA4562-T, a machine model, or a photo of the existing solenoid and its nameplate. We confirm stock status, verify voltage and stroke compatibility, and return an arrival timeline matched to your preferred freight method — all before you commit to the order.
Q: Is this 12V stop solenoid in stock and when can it ship? A: The 1503ES-12S5SUC5S replacement is stocked in our Guangzhou warehouse for fast shipping replacement dispatch. Orders confirmed before the daily cutoff typically ship the same business day. Send your part number or machine model so we can verify availability and lock in the dispatch window for your specific requirement.
Q: What is the minimum order quantity for an urgent single-piece need? A: One piece. There is no minimum order quantity blocking an emergency purchase. A single 12V stop solenoid ships on its own with full warranty coverage and documentation, so a workshop facing a machine-down situation can order exactly what is needed without carrying extra inventory.
Q: How long will delivery take to my region? A: Arrival timing depends on the freight method selected. Express courier suits urgent single-part orders with the shortest transit window. Air freight handles heavier shipments within a moderate timeframe. Sea freight serves bulk restocking. Every quote includes an estimated arrival range so you can plan the repair schedule before ordering.
Q: My nameplate is worn or painted over — how do I confirm the right part? A: Send a clear photograph of the solenoid body, mounting bracket, and connector. Our technical team matches visual details — terminal layout, housing shape, mounting hole spacing — against known variants in the Woodward-compatible range. Part number cross-references like SA-4920 and SA-4850 help confirm identity even when the original label is unreadable.
Q: What happens if the part arrives and does not fit? A: Contact us immediately with photographs showing the mismatch. We verify whether the issue stems from a variant difference or a superseded number not caught during the initial cross-reference check. A replacement ships as quickly as stock allows, and our technical team works through the identification gap to prevent the same error on future orders.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
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