Product Specifications
| Parameter | Details |
| Part Name | Stop Solenoid for Engine Shutdown |
| Part Number (OEM Reference) | 1503ES-12S5SUC5S, SA4562-T, SA-4920, 1503ES-24S5SUC5S, SA-4850, 1503ES12S5SUC5S, SA4562T, SA4920, 1503ES24S5SUC5S, SA4850 |
| Brand Compatibility | Woodward |
| Electrical Rating | 12V DC |
| Condition | New Aftermarket |
| Warranty | 6 months against manufacturing defects |
| Packaging | Original retail box with anti-static foam and sealed polybag |
Compatible Models
| Brand | Applicable Models |
| Woodward | 1503ES series electronic engine control systems |
Tired of Unreliable Engine Shutdown? Get the Right 12V Woodward 1503ES-12S5SUC5S Stop Solenoid for Critical Safety Cycles
Every unscheduled engine shutdown failure costs mining fleets $2,800/day in idle time. Counterfeit solenoids fail mid-cycle—causing uncontrolled engine run-on or delayed cutoff during emergency stops. OEM parts take 3+ weeks to arrive, halting maintenance windows on CAT 320D or Komatsu PC360 excavators. You need guaranteed compatibility, not guesswork.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This 12V Woodward stop solenoid is manufactured in ISO 9001-certified facilities, rigorously tested for pull-in voltage, hold current, and cycle life before shipment. Built for real-world use in hydraulic pump calibration, engine ECU integration, and generator set safety interlocks, it delivers consistent 12V solenoid response across temperature ranges from -25°C to +85°C—just like original Woodward 1503ES-12S5SUC5S units.
Where This Part Works
This stop solenoid operates under high-vibration, high-dust conditions on construction sites, open-pit mines, port cranes, and demolition equipment. It directly controls fuel shutoff in diesel engines governed by Woodward 1503ES controllers—where a 50ms delay or incomplete valve closure risks runaway RPM or post-shutdown fuel leakage. Reliability here isn’t optional: it’s mandated by ISO 45001 safety protocols.
Engineering Details That Matter
The armature core uses precision-ground low-carbon steel (AISI 1018) with controlled magnetic permeability—ensuring stable 12V solenoid engagement without chatter or residual magnetism. Sealing meets IP67 standards using nitrile rubber O-rings resistant to diesel, biodiesel blends, and hydraulic oil contamination. Dimensional tolerance is held to ±0.05 mm on mounting flange and plunger stroke—guaranteeing drop-in replacement for SA4562-T and 1503ES-12S5SUC5S installations. Surface finish includes zinc-nickel electroplating (25 µm), verified per ASTM B633 SC4 for salt-spray resistance >500 hours.
The Real Cost of Wrong Parts
A $12 counterfeit solenoid may save upfront—but causes 3–5x more field failures than ISO-compliant units, triggering repeat service calls, unplanned engine overhauls, and safety audit non-conformities. In marine or quarry applications, a single failed shutdown can violate Class Society (DNV/LR) requirements, leading to operational suspension. Total cost of ownership (TCO) favors certified aftermarket: our 12V Woodward stop solenoid delivers OEM-equivalent lifecycle (≥500,000 cycles) at 38% lower acquisition cost—verified by third-party bench testing per SAE J1127.
Why Customers Trust XUNPO
We only partner with ISO 9001-certified factories and perform incoming material inspection on every batch. Each 12V Woodward stop solenoid undergoes 100% functional test—including voltage sweep, dwell time verification, and thermal cycling—before shipping. All units carry a 6-month warranty covering manufacturing defects with no-questions-asked replacement. With 10 years exporting to 120+ countries, we’ve supplied this exact solenoid type to fleet operators in Australia, Saudi Arabia, and Colombia. Our 20+ technical team verifies part fitment within 2 hours using OEM service manuals and cross-reference databases. Over 10,000 SKUs—including 1503ES-12S5SUC5S—are held in stock at our Guangzhou warehouse for same-day dispatch.
Packaging & Shipping
- Individually sealed in anti-static polybag, mounted on molded EPE foam inside rigid corrugated box
- In-stock items shipped within 2–5 working days after payment confirmation
- Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), sea freight (25–40 days)
- Real-time tracking number provided upon dispatch
- MOQ: 1 piece — designed for urgent repair needs
Get Your 12V Woodward Stop Solenoid Now
Your excavator or generator set shouldn’t sit idle waiting for a critical safety component. Send us your machine model, quantity, and destination—we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Every hour saved on procurement is an hour restored to revenue-generating operation.
Frequently Asked Questions
Q: Is this an original Woodward part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket stop solenoid, produced in ISO 9001-certified factories to match Woodward 1503ES-12S5SUC5S dimensional, electrical, and performance specifications.
Q: How do I confirm if this solenoid fits my engine controller?
A: Provide your machine model and existing solenoid part number (e.g., SA4562-T or 1503ES-12S5SUC5S); our technical team confirms compatibility using official Woodward service documentation within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery, covering manufacturing defects. Replacement or refund issued promptly upon verification.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. Ideal for emergency repairs and small workshops.
Q: How fast can I receive the part?
A: In-stock items ship within 2–5 working days. Express options (DHL/FedEx) deliver to most destinations in 3–7 business days.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for physical testing and fitment validation prior to full order.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com