Engine Auxiliary Components
System-Matched Stop Solenoid 1502-12A2U1B2 for Woodward 12V
<p>Functional test records covering coil resistance and stroke included with every shipment.</p>
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<p>Stop engine shutdowns before they cost you downtime — this <strong>12V stop solenoid for Cummins 4BT 6BT</strong> delivers instant, OEM-matched response and holds position under high-vibration conditions where cheaper units fail. Built to match the exact coil resistance (≈12Ω cold) and plunger stroke of genuine Cummins units, it eliminates false shut-offs caused by voltage drop or thermal drift — a common headache when sourcing across fragmented suppliers.</p> <ul> <li><strong>Direct-fit replacement</strong> for 3930658, 3932529, SA-4756-12, and SA-4891-12 — no adapters or wiring mods needed</li> <li>ISO-certified factory build with 100% functional testing at 9–16V DC — works flawlessly even on aging alternators</li> <li>Ships same day from Guangzhou warehouse — no waiting weeks for OEM backorders</li> <li>Backed by 6-month warranty and real-time technical support from Cummins engine specialists</li> </ul>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
| Parameter | Details |
|---|---|
| Part Name | 12V Stop Solenoid |
| Part Number (OEM Reference) | 3930658, 3932529, SA-4756-12, SA475612, 3939700, SA-4891-12, SA489112 |
| Brand Compatibility | Cummins |
| Machine Model Fitment | Cummins 4BT, 6BT engines |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original retail box with anti-static foam and sealed polybag |
| Brand | Applicable Models |
|---|---|
| Cummins | 4BT, 6BT diesel engines |
Every unscheduled engine shutdown on a construction site costs thousands in downtime — especially when caused by a failing stop solenoid. Operators report repeated failures from counterfeit units that don’t hold voltage or respond inconsistently under load. OEM replacements mean waiting 2–4 weeks while your equipment sits idle. And sourcing correct parts across multiple Cummins models often leads to mismatched orders and costly rework.
This 12V stop solenoid is engineered to match Cummins OEM performance specs — built in ISO-certified factories, tested for pull-in voltage, holding current, and cycle life before shipment. With 10 years’ experience supplying electrical components for heavy equipment, XUNPO ensures every unit meets the same functional requirements as original Cummins 3930658 and 3932529 solenoids. It’s installed during routine engine maintenance, emergency repairs on excavators and loaders powered by 4BT/6BT engines, and fleet overhauls where reliability is non-negotiable.
This solenoid operates in high-vibration, temperature-variable environments — from mining haul trucks and port-side container handlers to municipal backhoes and agricultural tractors using Cummins 4BT/6BT powerplants. It directly controls fuel shutoff during engine stop commands, requiring precise electromagnetic response even after 5,000+ cycles. In dusty, humid, or salt-laden conditions — common at quarries, coastal ports, and demolition sites — consistent actuation prevents unintended run-on or failure-to-stop scenarios. replacement stop solenoid for Cummins 6BT must deliver stable performance across all these conditions.
The solenoid coil uses Class H insulation rated to 180°C, ensuring uninterrupted operation during prolonged high-load engine duty cycles. Its precision-machined plunger is hardened to 58–62 HRC and coated with zinc-nickel alloy for corrosion resistance in marine and tropical environments. The sealing interface features nitrile rubber (NBR) O-rings compliant with SAE J2044, preventing oil ingress into the electromagnetic chamber. Dimensional tolerances are held within ±0.05 mm to guarantee direct interchangeability with OEM mounting and linkage geometry — no adapter plates or field modifications required.
A substandard 12V stop solenoid may cost 20% less upfront but fails within 3–6 months — triggering repeat service calls, unplanned engine disassembly, and extended machine outages. Industry data shows incorrect solenoid selection contributes to 12% of avoidable hydraulic and engine control faults in mid-life Cummins-powered equipment. Using a part that doesn’t meet ISO 6798 (electromagnetic actuator standards) or Cummins’ own torque and response time specs increases risk of incomplete fuel cutoff — leading to runaway engine events or post-shutdown crankshaft wear. Total cost of ownership drops significantly when you choose verified, test-validated replacements like this 12V stop solenoid for Cummins 4BT.
We work exclusively with ISO 9001-certified component manufacturers and perform incoming material inspection on every batch. Each solenoid undergoes 100% functional testing: pull-in voltage verification at 9 VDC, holding current validation at 12 VDC, and mechanical stroke consistency check. All units carry a 3–12 month warranty covering manufacturing defects — no questions asked. Our team has supported 120+ countries since 2016, with 20+ engineers specializing in engine electrical systems. You’ll get part compatibility confirmation within 2 hours of submitting your model and serial number. And because we stock over 10,000 SKUs in our Guangzhou warehouse, your order ships in 2–5 working days — no factory lead time delays.
Your excavator or loader isn’t generating revenue while it’s down — every hour counts. Send us your part number (e.g., 3930658), engine model (4BT or 6BT), and required quantity, and we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for bench testing before placing bulk orders. With Guangzhou warehouse stock and global shipping options, you’ll have the right 12V stop solenoid for Cummins 4BT in hand faster than waiting for OEM delivery.
Q: Is this an original Cummins part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, manufactured in ISO 9001-certified facilities to match Cummins 3930658 and 3932529 specifications — not sourced from Cummins.
Q: How do I confirm this solenoid fits my specific 4BT or 6BT engine?
A: Provide your engine serial number or machine model — our technical team verifies compatibility and responds within 2 hours.
Q: What is the warranty period?
A: 3–12 months against manufacturing defects. If failure occurs due to material or workmanship, we replace free of charge.
Q: What is the minimum order quantity?
A: 1 piece. We support urgent repairs and small-scale maintenance needs without volume pressure.
Q: How soon will my order ship?
A: In-stock items ship within 2–5 working days. Express, air, and sea freight options available based on your destination.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one sample for functional testing 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
<p>Functional test records covering coil resistance and stroke included with every shipment.</p>
View Details<p>Stop your Woodward engine reliably—every time—with the <strong>stop solenoid 1502-12A2U1B2</strong>, engineered for instant, fail-safe 12V shutdown control. No more guessing whether the solenoid will engage under load or after hours of operation.</p> <ul> <li>Direct replacement for Woodward part numbers <strong>1502-12A2U1B2</strong>, 150212A2U1B2, 1500-2114, and 15002114—no adapters or wiring mods needed</li> <li>Built to Woodward’s original coil resistance spec (≈1.8–2.2 Ω @ 20°C), ensuring clean de-energization without residual hold-in current</li> <li>Prevents costly unplanned downtime caused by inconsistent OEM lead times or counterfeit solenoids with drifted pull-in voltage thresholds</li> <li>Ready to ship today from our Guangzhou warehouse—no waiting weeks for factory backorders</li> </ul>
View Details<p><strong>Vacuum Pump 904-862 for Isuzu NPR, Cast Iron Housing with Integrated Pulley</strong> — engineered for the engine auxiliary system to deliver consistent vacuum pressure across diesel, gas, CNG, and bi-fuel powertrains. Heat-resistant seals maintain integrity under sustained thermal loads typical of medium-duty truck operation. Inspect check valves and brake booster circuits before installation to address root-cause faults rather than symptoms. Overhaul kit contents verified and matched for system-level reliability.</p>
View Details<p><strong>12V Starter Motor 25-098-11</strong>, 0.8 kW, 10-tooth CCW pinion — replacement for Kohler CH and CV series engines. This unit belongs to the engine starting system, where matched ring gear mesh, battery circuit integrity, and solenoid wiring must all be verified to address root-cause faults rather than symptoms alone. Class H insulation rated to 180°C supports extended cranking in cold-climate or high-altitude starts. Mounting flange held to ±0.05 mm for drop-in fitment across the full CH/CV range.</p> <ul> <li>Cross-reference numbers 25-098-11-S, 128000-7480 verified against engine service manuals</li> <li>Bench test covering torque output, engagement timing, and voltage-drop included</li> <li>Overhaul shops and rebuild centres confirm grade and serial variant before dispatch</li> </ul>
View DetailsSend us your inquiry and our technical team will verify the part and provide a competitive quote within 24 hours. MOQ starts from 1 piece.
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