Standard Ignition Power Steering Pressure Switch P/N:PSS4

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$51.99
MPN: PSS4
Item Package Quantity: 1
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Standard Ignition Power Steering Pressure Switch P/N:PSS4
Standard Ignition Power Steering Pressure Switch P/N:PSS4
$51.99

Keep your engine's idle control informed of steering load with the Standard Ignition Power Steering Pressure Switch (PSS4). This switch senses high-pressure conditions in the power steering system — such as low-speed parking maneuvers — and signals the engine management system so it can adjust idle and compensate for the added pump load. It's a direct-fit replacement across a wide range of Ford, Lincoln, Mazda and Mercury applications, including the Ford Explorer, F-150, Ranger, Mustang, Taurus and E-Series vans, the Lincoln Town Car and LS, the Mazda B2300, and the Mercury Sable and Mountaineer. See the Buyer's Guide tab for the full year-by-year list.

  • 100% pressure tested: every switch is pressure tested before it ships.
  • End-of-line testing: each unit is checked to meet the linearity specifications the engine management system expects.
  • Crafted connector: the connector is built for proper fitment and a reliable connection to the engine management system.
  • Specialized seals: made with specialized seals to extend the part's longevity under harsh engine conditions.

Interchange: PS104 · PSS1 · PS472 · PS304 · E57A3N824AA · E5TZ3N824A · F37A3N824AA · F3TZ3N824A · PS304SB · PSS4T

This part cross-references / interchanges with the following part numbers:

PS104, PSS1, PS472, PS304, E57A3N824AA, E5TZ3N824A, F37A3N824AA, F3TZ3N824A, PS304SB, PSS4T

Frequently Asked Questions

What does this power steering pressure switch do?

It senses high-pressure conditions in the power steering system, like parking maneuvers, and signals the engine management system so it can adjust idle to compensate for the added pump load.

Will this fit my vehicle?

It's a direct-fit replacement for many Ford, Lincoln, Mazda and Mercury applications. Check the Buyer's Guide tab to confirm the exact year, make and model for your vehicle.

What are signs this switch may need replacing?

Signs can include an unstable or dropping idle when turning the wheel at low speed. Have the cause diagnosed, since these symptoms can also come from other components.

Is this switch tested before shipping?

Yes. Each switch is 100% pressure tested and undergoes end-of-line testing to meet the linearity specifications the engine management system expects.

What interchange numbers does this part replace?

It cross-references PS104, PSS1, PS472, PS304, E57A3N824AA, E5TZ3N824A, F37A3N824AA, F3TZ3N824A, PS304SB and PSS4T.