Stop Solenoid 1502-12A2U1B2 for Woodward 12V Engine Shutdown Control

Product Specifications

Compatible Models

Tired of Engine Shutdown Failures? Get the Reliable 1502-12A2U1B2 Stop Solenoid for Your Woodward System

Every unscheduled engine shutdown on a critical job site costs hundreds — sometimes thousands — of dollars per hour in downtime. Field technicians report repeated failures from counterfeit or low-tolerance stop solenoids: inconsistent engagement, delayed response, or complete failure during hot restarts. OEM replacements mean waiting 2–4 weeks while your equipment sits idle — and paying 30–50% more.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This stop solenoid is engineered to match Woodward’s original performance specs — tested at 12V ±10%, 100% functional verification before shipment. Built by ISO-certified factories with 10+ years of heavy-duty electrical component experience, it delivers consistent pull-in force and fast release timing for precise engine cutoff in excavators, generators, and industrial power units. We stock over 10,000 SKUs in Guangzhou, including this 1502-12A2U1B2 solenoid — ready for same-day dispatch on confirmed orders.

Where This Part Works

This 12V engine shutdown solenoid operates reliably across high-vibration, temperature-variable environments — from quarry excavators running 16 hours daily to marine auxiliary generators exposed to salt air. It’s used in emergency stop circuits where millisecond response time prevents overspeed damage, and in routine shutdown protocols where repeatable actuation ensures compliance with safety standards. Correct specification matters: undersized coils cause sluggish response; poor sealing invites moisture ingress and coil burnout — a key reason why genuine aftermarket stop solenoids like this Woodward 1502-12A2U1B2 replacement are essential for uptime-critical applications.

Engineering Details That Matter

The solenoid core uses high-permeability cold-rolled silicon steel, ensuring stable magnetic flux density across voltage fluctuations from 10.8V to 13.2V. The plunger is precision-ground stainless steel (HRC 58–62), resisting galling and wear under repeated impact loading. Sealing meets IP67 rating — critical for protection against dust and temporary immersion during washdown or rain exposure. Dimensional tolerances are held to ±0.05 mm on mounting holes and stroke length, guaranteeing drop-in compatibility with all standard Woodward 12V mounting brackets. Surface treatment includes nickel plating (≥15 µm thickness) for corrosion resistance in humid or coastal operating conditions.

The Real Cost of Wrong Parts

A $12 counterfeit solenoid may fail after 200 cycles — triggering an unplanned shutdown that halts a $12,000/hour mining shovel operation. Labor to diagnose and replace it adds 2–3 hours. A second failure within a week means re-inspection, recalibration, and potential fines for non-compliance with OEM maintenance logs. In contrast, this Woodward 1502-12A2U1B2 replacement is manufactured to ISO 9001:2015 standards and tested per SAE J1455 for vibration endurance (500 hrs at 10–2000 Hz). Its TCO is lower: one verified part, zero secondary labor, full warranty coverage, and documented traceability — not just a lower sticker price.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static bag with molded EPE foam insert inside reinforced corrugated box
• In-stock items ship 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, updated until delivery
• MOQ is 1 piece — designed for urgent field repairs and small-batch testing

Get Your Stop Solenoid Now

Your machine isn’t generating revenue while it’s down. Send us your part number (1502-12A2U1B2 or equivalent), machine model, and required quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for functional testing before placing bulk orders. All in-stock orders ship from Guangzhou with full documentation and warranty support.

Frequently Asked Questions