Stop Solenoid 1502-12A2U1B2 for Woodward 12V – Emergency Replacement

Single Piece Ready — 12V stop solenoid stock verified in Guangzhou warehouse for immediate dispatch when your machine is already down.

Technical Specifications

Application Suitability

When the Engine Won't Stop or Won't Start

The stop solenoid sits on the critical path between a dead machine and revenue-generating work.

A machine sitting silent on a job site because the fuel rack won't actuate represents more than just a failed electrical component. The delay typically starts with trying to confirm whether the part number on the old solenoid is still valid, since Woodward control systems have seen multiple supersessions over the years. Then comes the discovery that most suppliers want you to order in quantities that make no sense for a single emergency replacement [NEED_CITE: aftermarket stop solenoid supersession patterns in mobile diesel applications]. By the time the right Stop Solenoid 1502-12A2U1B2 gets identified and sourced through conventional channels, days have passed and the equipment remains non-operational while crews and other machinery wait.

Getting the Right Number Confirmed in Hours Not Days

The four identifiers associated with this solenoid — 1502-12A2U1B2, 150212A2U1B2, 1500-2114, and 15002114 — represent the same functional component across different Woodward documentation generations and catalog systems. I have spent years watching equipment owners get stuck between these numbers, unable to confirm which one actually applies to their installation until they physically pull the old unit and try to read a faded label. Our identification process accepts a clear photograph of the existing solenoid, the machine nameplate, or simply the equipment model number. This eliminates the back-and-forth that typically consumes the first forty-eight hours of any emergency parts search for a Stop Solenoid 1502-12A2U1B2 in stock.

What Happens Between Order Placement and Machine Restart

Once the correct 1500-2114 cross-reference is confirmed, the timeline depends entirely on dispatch speed and freight selection. Guangzhou warehouse stock means this stop solenoid can ship the same day the order is confirmed, rather than waiting for a supplier to source it from their own upstream channel. Express carriers handle single-piece shipments routinely, and air freight remains viable for slightly larger consolidated orders. The arrival window gets quoted at the point of order confirmation, not buried in a follow-up email days later [NEED_CITE: express freight transit times for single-piece industrial components from South China]. Every Stop Solenoid 1502-12A2U1B2 shipment includes voltage activation testing before it leaves the warehouse, so you are not discovering a dead-on-arrival unit when the machine is already behind schedule.

Reading the Specification Sheet Against the Operating Environment

The 12V rating defines the electrical system this solenoid is designed to operate within, and voltage tolerance determines whether it will function reliably when the charging system is under load or the battery is aging. Precision-wound copper coils deliver consistent electromagnetic force across the operating temperature range, which matters when this component sits near the engine block in a high-ambient-heat environment. Gold-plated electrical contacts resist the oxidation that causes intermittent engagement failures — a common root cause of erratic fuel rack behavior that mechanics often misdiagnose as a mechanical problem deeper in the injection system. The reinforced mounting bracket addresses the vibration environment specific to mobile construction equipment, where a solenoid subjected to continuous shock loading can work loose or crack its housing over time.

The Cost of Getting the Identification Wrong

Ordering a stop solenoid based on an assumed part number, only to discover upon arrival that the electrical connector or mounting pattern does not match, adds another complete cycle of waiting to the repair timeline. The machine stays down while the return ships back and the correct unit gets sourced. In some cases, a solenoid that physically bolts on but has the wrong actuation characteristics can cause the fuel rack to hang in an intermediate position, leading to rough running or incomplete shutdown [NEED_CITE: diesel engine fuel rack actuation failure modes]. This is why cross-reference verification of all four identifiers — not just the number visible on the old label — forms the basis of every order we process for this component.

Why This Supplier For Emergency Solenoid Sourcing

Guangzhou warehouse inventory means the Stop Solenoid 1502-12A2U1B2 ships from stock rather than against a lead time. Single-piece minimum order quantity removes the barrier that blocks most emergency purchases through conventional distribution channels. Part identification works from whatever information you have available — the part number, the machine model, a photograph of the nameplate, or an image of the old solenoid itself. Cross-reference verification covers all superseded and alternate numbers in the Woodward system to confirm the correct unit reaches your site. Pre-shipment testing covers coil resistance and voltage activation before the solenoid leaves the warehouse, and the warranty covers manufacturing defects for the stated period.

Documentation & Verification

• Commercial invoice and packing list with 1502-12A2U1B2 and all cross-reference numbers documented
• Compatibility sheet confirming Woodward system applicability (reference only)
• Voltage activation and coil resistance test record included with shipment
• Warranty terms covering manufacturing defects for 3-12 months
• Packing photographs taken before carton closure
• HS code and customs documentation support for international clearance

Stock, Shipping & Arrival

• Real-time stock confirmation for 1502-12A2U1B2 provided at inquiry stage before commitment
• Express, air freight, and sea freight options with arrival timing quoted upfront
• Single-piece packaging suitable for express courier handling without additional crating
• Tracking number provided on dispatch with delivery confirmation follow-up

Inquiries For Fast Identification

Provide the part number from the existing solenoid, a photograph of the unit or nameplate, or simply the machine model and approximate year. Stock availability and arrival timing for the Stop Solenoid 1502-12A2U1B2 will be confirmed in response, along with freight options appropriate to your location and urgency level.

Frequently Asked Questions

Q: Is this stop solenoid in stock and how quickly can it ship? A: The 1502-12A2U1B2 is held in Guangzhou warehouse stock for immediate dispatch. Once the correct identifier is confirmed from your four possible cross-references, same-day shipping is available via express carriers. Arrival timing depends on destination but gets quoted at the point of order confirmation, not after payment.

Q: Can I order just one piece for an emergency repair? A: Single-piece orders are accepted with no minimum quantity requirement. This stop solenoid frequently goes out as a one-unit emergency shipment to sites where a machine is already down and waiting on this specific component to resume operation.

Q: My nameplate is worn or painted over — can you identify the part from a photo? A: Send a clear photograph of the existing solenoid, including any visible markings, connector type, and mounting configuration. Combined with the machine model, this is usually sufficient to confirm whether 1502-12A2U1B2 or one of its cross-reference numbers applies to your installation.

Q: Which of the four part numbers applies to my machine? A: The identifiers 1502-12A2U1B2, 150212A2U1B2, 1500-2114, and 15002114 refer to the same functional stop solenoid across different Woodward catalog generations. Provide your machine model or a photo of the old unit, and we will confirm which number matches your specific application.

Q: What happens if the part arrives and does not fit? A: If the solenoid arrives and does not match your installation despite our pre-shipment cross-reference verification, contact us immediately with photographs showing the discrepancy. Resolution options include replacement with the correct variant or return processing under the stated warranty terms.