Engine Auxiliary Components
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

12V Woodward 1503ES-12S5SUC5S stop solenoid for reliable engine shutdown

<p>Stop engines decisively and avoid dangerous shutdown failures — especially under load or high-temperature operation. This <strong>Woodward stop solenoid</strong> delivers OEM-matched response time and holding force, so your engine cuts off cleanly every time, eliminating costly restart attempts and unplanned downtime.</p> <ul> <li>Direct-fit replacement for 1503ES-12S5SUC5S, SA4562-T, and 9+ legacy Woodward part numbers — no wiring mods or bracket fabrication needed</li> <li>Features the critical 12V dual-coil latching design (S5SUC5S suffix) that maintains position even during voltage dips — a must for generator and marine applications</li> <li>Built to ISO 9001 specs with copper-clad steel armature and high-temp epoxy sealing for 50,000+ reliable actuation cycles</li> <li>Ships from Guangzhou warehouse in 2–5 working days — <strong>MOQ just 1 piece</strong>, ideal when you need it yesterday</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameStop Solenoid for Engine Shutdown
Part Number (OEM Reference)1503ES-12S5SUC5S, SA4562-T, SA-4920, 1503ES-24S5SUC5S, SA-4850, 1503ES12S5SUC5S, SA4562T, SA4920, 1503ES24S5SUC5S, SA4850
Brand CompatibilityWoodward
Electrical Rating12V DC
ConditionNew Aftermarket
Warranty6 months against manufacturing defects
PackagingOriginal retail box with anti-static foam and sealed polybag

Compatible Models

BrandApplicable Models
Woodward1503ES 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

Part Type Engine Auxiliary Components
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • ✓ In-stock items dispatched in 2-5 business days
  • ✓ Multiple freight options: Express, Air, Sea
  • ✓ Real-time tracking provided
  • ✓ Ships to 120+ countries worldwide
  • ✓ Export-standard packaging for all items

Warranty & Quality

  • ✓ 3-12 month warranty on all parts
  • ✓ ISO-certified factory partners
  • ✓ Strict QC inspection before dispatch
  • ✓ Zero counterfeit policy -- guaranteed
  • ✓ Optional sample testing for new buyers
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