3W1Z-19E561-AA Cross Reference for Global Wholesalers
Brand / Source | Reference Number | Identification Status |
Ford Original Equipment | 3W1Z-19E561-AA | Primary OE Number |
Ford Engineering | 3W1H-19E561-AA | Direct Interchange |
Motorcraft | YH-1710 | Service Part Number |
Four Seasons | 36674 | Aftermarket Benchmark |
Santech | MT0445 | Technical Standard |
Global Parts Dist | 1711283 | Distribution Reference |
UAC | SW 4073C | Popular Replacement |
Technical Specifications for 3W1Z-19E561-AA A/C Pressure Switch
Technical Parameter | Specification Detail |
Fitting Thread Type | M12-P1.25 Female |
Electrical Connector | 2-Blade Terminal Interface |
Low Pressure Cut-Off (OFF) | 1.3 kg/cm² (18.5 PSI) |
System Reset Point (ON) | 2.0 kg/cm² (28 PSI) |
Switch Function | Compressor Cycling / Anti-Icing |
Refrigerant Compatibility | R134a |
Quality Standard | IATF 16949 Certified |
3W1Z-19E561-AA A/C Pressure Switch Vehicle Application
Vehicle Make | Specific Model Range | Year Range |
Ford | Crown Victoria (Including Interceptor) | 2003 to 2011 |
Lincoln | Town Car (Executive / Signature) | 2003 to 2011 |
Mercury | Grand Marquis | 2003 to 2011 |
Mercury | Marauder | 2003 to 2004 |
Sourcing 3W1Z-19E561-AA A/C Pressure Switch FAQs
How does the 3W1Z-19E561-AA maintain HVAC stability in high-idle fleet environments?
Vehicles like the Lincoln Town Car and Crown Victoria are frequently used in limousine and police fleets where long idling periods are common. Our 3W1Z-19E561-AA is calibrated to handle the specific suction side pressures of these high-volume systems, ensuring the compressor cycles efficiently to maintain cabin cooling without putting undue stress on the electrical system during idle.
Why is the 1.3 kg/cm² cut-off threshold critical for luxury sedan platforms?
Luxury platforms require a fine balance between cooling performance and component longevity. The 1.3 kg/cm² cut-off ensures that the compressor stops before the evaporator freezes, preventing a loss of airflow. By sourcing our precision-calibrated units, your clients can restore the original "factory feel" of the climate control system, reducing consumer complaints.
How do you guarantee thread integrity for the M12-P1.5 female fitting?
Low pressure switches on these platforms are often replaced during routine maintenance. We use high-tensile alloy for the M12 housing to prevent thread stripping and ensure a perfect seal against the accumulator. Every unit is subjected to automated vacuum leak testing in our IATF 16949 facility to ensure it holds pressure for the life of the vehicle.
What customization services do you provide for Top 100 wholesale brands?
We offer a complete private label program for our high-volume importers. This includes high-definition laser marking of your brand logo and the 3W1Z-19E561-AA reference directly on the switch body. We also provide customized industrial packaging and can include batch-specific QR codes for your inventory tracking and quality assurance systems.
What is the standard lead time for bulk wholesale and container orders?
We maintain a fixed manufacturing lead time of 60 days. This period allows for meticulous assembly, precision pressure calibration, and a series of durability tests to ensure every batch meets international procurement standards. This consistent schedule helps our B2B partners maintain reliable stock levels for high-demand fleet seasons.
Are your electrical connectors compatible with the original Ford/Motorcraft harness?
Yes. Our 3W1Z-19E561-AA features a 2-blade electrical interface molded to exact OE dimensions. We use high-temperature resistant polymers to prevent connector degradation in the engine bay, ensuring a secure "click-lock" fit with the factory harness that prevents signal loss due to vibration.
