A-Premium A/C High Pressure Switch for Ford Mazda Mercury - Black 2-Pin OE Fit, Compressor Protection

This A-Premium high-pressure switch monitors the refrigerant pressure in the air conditioning system and signals the compressor to cycle when pressures exceed safe limits. It's an aftermarket replacement built to match the electrical and mechanical fit of original equipment on a wide range of trucks, vans and passenger cars from the mid-1990s through the late 2010s. The part cross-references multiple OEM numbers, uses a two-blade electrical connector, and arrives finished in durable black for long service life.

Which vehicles will this pressure switch fit?

The switch covers a broad list of Ford platforms including F-series trucks, Econoline vans and Super Duty models, plus many Lincoln variants, Mazda B-series pickups and select Mercury vehicles. Fitment spans model years commonly between the mid-1990s and the late 2000s—check the specific vehicle list and reference numbers to confirm compatibility with your VIN.

• Fits Ford: F-150, F-250, F-350, F-450, F-550, Excursion, Mustang, Ranger, Econoline and Super Duty families.
• Fits Mazda: B2300, B2500, B3000, B4000 pickups across overlapping years.
• Fits Mercury and Lincoln: Grand Marquis, Mountaineer, Topaz, Navigator, Town Car and Mark LT variants.
• Verify with reference numbers like SW10035C, 6L3Z19D594A, F5TZ19D594AA for a precise match.

How is this switch built and how does it connect?

The unit uses a two-pin male blade terminal designed to mate with the vehicle's female connector for a straightforward electrical connection. The housing is finished in black and sized to align with OE mounting points, making installation familiar to anyone who has done basic HVAC or sensor swaps.

• Terminal count: 2 male blade pins for direct OE-style electrical mating.
• Connector gender: female on the harness side; color/finish: black housing.
• Mechanical design matches common factory mounting for secure fitment.
• Comes with OE cross-reference numbers to confirm proper replacement.

What are the reference numbers and why do they matter?

OE reference numbers let you confirm this aftermarket switch is the correct replacement for your original part. Using the part cross-references prevents ordering the wrong sensor and saves time during installation and troubleshooting.

• Common references included: SW10035C, 1S4319, 6L3Z19D594A and F5TZ19D594AA.
• Match these numbers to your existing switch or factory parts list for accuracy.
• Reference numbers help ensure the electrical and pressure thresholds are compatible with your system.

Who is this for? This A-Premium high-pressure switch is aimed at DIY mechanics, independent shops and fleet maintenance teams that need a dependable, OE-referenced replacement for A/C systems on Ford, Mazda and Mercury vehicles. If you’re restoring proper HVAC function, replacing a faulty pressure sensor, or maintaining older trucks and vans, this switch provides a budget-friendly, drop-in option backed by a one-year unlimited-mileage guarantee from A-Premium.