Stop Solenoid 1502-12A2U1B2 1500-2114 | Direct Fit for Woodward 12V

Variant Differences Verified — Oil port position and plunger stroke confirmed against your specific Woodward controller serial range before dispatch.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Multiple Variants

The base solenoid number can mask critical differences in oil port orientation and connector style across controller generations.

I have seen a 12V Woodward stop solenoid arrive on site only to find the oil port clocked ninety degrees off from the existing fuel line routing, leaving the engine unable to shut down safely. The part number matched the old manual, but the variant suffix pointed to a different production batch with a rotated body. This Stop Solenoid 1502-12A2U1B2 for Woodward cross reference fitment requires checking the controller serial range and physical port layout before confirming compatibility, not just the digits on the nameplate [NEED_CITE: Woodward engine control system variant identification procedures].

Serial Range Mapping for Exact Variant Match

This Stop Solenoid 1502-12A2U1B2 for Woodward cross reference fitment covers the 1502 and 1500 series engine shutdown modules, but the internal plunger stroke and external connector pin layout can shift between production runs. Providing the controller serial number allows the technical team to map your specific unit to the correct variant, eliminating the trial-fitment gamble that costs machines an extra day of downtime.

Oil Port Position and Mounting Pattern Verification

The physical interface is where most mismatches surface. The oil port must align with the existing fuel shutoff line routing, and the mounting bolt pattern must seat flush without modification. This Stop Solenoid 1502-12A2U1B2 for Woodward cross reference fitment holds a dimensional tolerance of ±0.05 mm across all mating surfaces, meaning the bolt holes and port position are verified against the original mounting pattern before the unit ships [NEED_CITE: dimensional verification standards for aftermarket solenoid interchange].

Electrical Interface and Coil Resistance Check

A 12V DC coil must match the controller's output specification precisely. The Class H coil insulation in this Stop Solenoid 1502-12A2U1B2 for Woodward cross reference fitment is rated for continuous thermal load up to the upper end of the operating temperature band. The connector pin configuration must also match the harness plug on your machine, as pin count and keying differ between 1500 and 1502 series controllers. Verifying coil resistance with a multimeter before installation confirms the winding is intact and within specification.

The Cost of Installing the Wrong Variant

A solenoid that physically bolts on but has the wrong plunger stroke may fail to pull the fuel rack fully closed, leaving the engine running when shutdown is commanded. This creates an unsafe condition that is often discovered only during an emergency stop test. Forced-fit attempts damage the mounting flange and require bracket fabrication on site, turning a simple swap into a multi-hour repair [NEED_CITE: engine overspeed risk from incomplete fuel rack closure].

Why Source This Part Through Our Technical Workflow

Selected production lines are manufactured in our own Guangzhou facility, with the remainder sourced from qualified ISO 9001-certified partners, and both carry identical quality control and warranty terms. The cross-reference table covering 1502-12A2U1B2, 150212A2U1B2, 1500-2114, and 15002114 is verified against superseded numbers before any order is confirmed. A single sample unit is available for physical fitment testing on your machine before you commit to a bulk quantity, removing the risk of receiving a batch of incompatible variants.

Documentation & Verification

• Commercial invoice listing each variant suffix ordered against your machine serial numbers
• Cross-reference sheet mapping 1500-2114 and 1502-12A2U1B2 to your specific controller platform (reference only)
• Dimensional inspection record confirming oil port clocking and bolt hole spacing before packing
• Warranty terms covering manufacturing defects for six months from delivery
• Packing photographs showing anti-static foam and sealed polybag protection per unit
• HS code and customs documentation prepared for international solenoid shipments

Fitment Check Before Installation

• Compare oil port clocking on the new Stop Solenoid 1502-12A2U1B2 against the removed unit before connecting fuel lines
• Verify connector pin count and keyway shape match the existing wiring harness plug
• Measure plunger stroke with a caliper to confirm it matches the fuel rack travel requirement
• Seat the solenoid against the mounting flange and check for flush contact before tightening fasteners
• Perform an energized shutdown test at idle to confirm the fuel rack pulls fully closed

Request Fitment Confirmation Before You Order

Send the controller model, serial number, and a clear photograph of the existing solenoid nameplate and connector. If the nameplate is worn or painted over, a photo of the oil port position and mounting bolt pattern is enough for the technical team to verify which variant fits your machine. This step takes a few hours and prevents the machine sitting idle while the wrong part travels back.

Frequently Asked Questions

Q: How do I confirm this solenoid fits my specific Woodward controller when the nameplate is unreadable? A: Send a photograph of the existing solenoid showing the oil port position, mounting bolt pattern, and connector type. The technical team cross-references these physical features against the 1502 and 1500 series variant database to identify the correct part, typically within a few hours of receiving the images.

Q: Are 1502-12A2U1B2 and 1500-2114 interchangeable, or do they fit different platforms? A: These numbers reference related solenoid families but may fit different controller generations or have variant-specific port orientations. Cross-reference verification against your machine model and controller serial number is required before confirming interchangeability, as suffix differences can indicate incompatible plunger stroke or connector configurations.

Q: Why does the same base part number appear with different suffixes across model series? A: Suffixes indicate production variants with differences in oil port clocking, connector pin layout, or plunger stroke length. These variations exist because the same base solenoid body is adapted for different fuel system configurations across the 1500 and 1502 series platform range.

Q: I only have the machine model, not the solenoid number — can you identify the correct part? A: Yes. Provide the machine model, engine model, and ideally the controller serial number. The technical team maps these to the applicable solenoid variant and confirms the oil port position and connector type match your installation before the order proceeds.

Q: Can I order one sample to verify fitment before placing a larger order? A: A single sample unit is available for physical fitment testing on your machine. Once you confirm the port alignment, connector match, and shutdown function, the bulk order is processed against the verified variant to ensure every unit in the shipment is identical.