12V Aftermarket Woodward 1503ES-12S5SUC5S 1503ES12S5SUC5S Stop Solenoid

Product Specifications

Compatible Models

Tired of Unreliable Engine Shutdown? Get the Right 12V Woodward 1503ES-12S5SUC5S Stop Solenoid for Critical Safety Cuts

Every unscheduled engine shutdown failure costs operators downtime, safety risk, and repair labor—especially on remote mine sites or port cranes where a single faulty solenoid can halt loading operations for hours. OEM parts carry 40% price premiums and take 3 weeks to arrive; counterfeit stop solenoids often fail within 200 operating hours, triggering repeated restart attempts and damaging control modules.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 12V Woodward 1503ES-12S5SUC5S stop solenoid is manufactured in ISO 9001-certified facilities and undergoes full-cycle functional testing before shipment—including voltage drop verification, coil resistance measurement, and actuation timing under load. With 10 years’ experience supplying excavator and power-generation control components across 120+ countries, XUNPO delivers verified replacements that integrate seamlessly into existing Woodward 1503ES control systems during field repairs or scheduled maintenance.

Where This Part Works

This stop solenoid operates in high-reliability applications: diesel generator sets at construction power stations, marine auxiliary engines, quarry mobile crushers, and hydraulic excavators with Woodward-based governor systems. It must withstand vibration up to 15g, ambient temperatures from -25°C to +85°C, and frequent on/off cycling—making precise electromagnetic response and thermal stability non-negotiable for safe, repeatable engine cutoff.

Engineering Details That Matter

The solenoid’s copper-clad aluminum coil ensures stable 12V actuation without overheating under continuous duty cycles. Its stainless steel plunger rod resists galling and corrosion in humid or salt-laden environments—critical for port and offshore equipment. The sealed housing meets IP67 standards, preventing dust and water ingress that cause intermittent failures in dusty mining conditions. Dimensional tolerances are held to ±0.05 mm, guaranteeing direct interchangeability with original 1503ES-12S5SUC5S units without adapter kits or re-wiring.

The Real Cost of Wrong Parts

A $28 counterfeit solenoid may save $15 upfront—but risks $1,200 in unplanned downtime per hour, $350 in technician dispatch fees, and potential damage to the Woodward ECU due to back-EMF spikes from poor coil damping. Genuine-equivalent parts like this 12V Woodward 1503ES-12S5SUC5S solenoid meet ISO 8528-5 and SAE J1171 specifications for emergency shutdown devices, reducing total cost of ownership (TCO) by extending service life to 10,000+ cycles and eliminating repeat failures.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static bags with custom-molded EVA foam inside double-walled corrugated boxes
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight based on volume and urgency
• Real-time tracking number provided upon dispatch
• MOQ is 1 piece—designed for urgent field repairs and small-batch testing

Get Your 12V Woodward Stop Solenoid Now

Your excavator or generator isn’t generating revenue while it’s down. Send us your machine model, current solenoid part number, and required quantity—we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for functional validation before bulk ordering. All in-stock units ship from Guangzhou within 2 business days.

Frequently Asked Questions