Standard Ignition AX288 HVAC Heater Core Temperature Sensor

Brand Standard Ignition AX288
Connector Gender Female
Connector Shape Rectangular
Connector Type Plug In
Contents Sensor
Terminal Gender Male
Terminal Type Blade
Fits Ford, Lincoln, and Mercury · 63 vehicles

Direct-fit replacement. Restores proper temperature signals for accurate heater and fan control.

High-temperature housing. Built to withstand harsh conditions for long service life.

Plug-in connector. Rectangular design with blade terminals for straightforward electrical connection.

Cross-references 5S7340, 72-4817 and 76562 for the same application. See all 8.

$39.84Free shipping
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HVAC Heater Core Temperature Sensor for Ford and Lincoln

Standard Ignition AX288 is a direct-fit HVAC heater core temperature sensor for vehicles that rely on accurate coolant temperature feedback to manage heater and fan operation. It restores the temperature signal from the heater core so the climate control system can read the correct data from the coolant circuit.

Compatible With select Ford F-150, Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Freestar, Ford Expedition, Ford Taurus, Mercury Sable, Lincoln Continental, and Lincoln Mark LT applications.

  • Direct-fit replacement for damaged OE heater core temperature sensors
  • Female connector with rectangular plug-in design
  • 2 blade terminals for electrical connection
  • High-temperature housing for harsh engine bay conditions
  • Built for stable electrical performance and accurate temperature readings
  • Supports climate control input alongside ambient air, sun load, and cabin temperature sensors

Fitment Details

  • Fits 2004-2008 Ford F-150, sensor only
  • Fits 2006-2008 Lincoln Mark LT
  • Fits 2005-2007 Ford F-250 Super Duty
  • Fits 2005-2007 Ford F-350 Super Duty
  • Fits 2004-2007 Ford Freestar
  • Fits 2003-2006 Ford Expedition
  • Fits 1988-2002 Lincoln Continental
  • Fits 2000-2001 Ford Taurus
  • Fits 1990-1995 Ford Taurus
  • Fits 2000-2001 Mercury Sable
  • Fits 1990-1995 Mercury Sable

What It Helps Address

  • Incorrect heater core temperature signal
  • Erratic heater or fan operation
  • Faulty climate control temperature input
  • Damage to the original sensor housing or connector
  • Service replacement for aging HVAC sensor components

Installation Notes

Verify connector shape, terminal style, and vehicle application before installation. Standard Ignition AX288 uses a female rectangular plug-in connector with male blade terminals, so matching the OE electrical interface is important for proper operation. This part cross-references 5S7340 and 72-4817 for the same application.

Quality Assurance

Standard Ignition builds this heater core temperature sensor with a high-temperature housing and durable materials to meet the demands of professional repair work. The design focuses on accurate signal output and long service life in demanding engine compartment conditions.

This part fits 63 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008FordF-150——N/ASensor Only
2008LincolnMark LT——N/A—
2007FordF-150——N/ASensor Only
2007FordF-250 Super Duty——N/A—
2007FordF-350 Super Duty6.8LV10N/A—
2007FordF-350 Super Duty5.4LV8N/A—
2007FordF-350 Super Duty6.0LV8N/A—
2007FordFreestar——N/A—
2007LincolnMark LT——N/A—
2006FordExpedition——N/A—
2006FordF-150——N/ASensor Only
2006FordF-250 Super Duty6.8LV10N/A—
2006FordF-250 Super Duty5.4LV8N/A—
2006FordF-250 Super Duty6.0LV8N/A—
2006FordF-350 Super Duty6.8LV10N/A—
2006FordF-350 Super Duty5.4LV8N/A—
2006FordF-350 Super Duty6.0LV8N/A—
2006FordFreestar——N/A—
2006LincolnMark LT——N/A—
2005FordExpedition——N/A—
2005FordF-150——N/ASensor Only
2005FordF-250 Super Duty6.8LV10N/A—
2005FordF-250 Super Duty5.4LV8N/A—
2005FordF-250 Super Duty6.0LV8N/A—
2005FordF-350 Super Duty6.8LV10N/A—
2005FordF-350 Super Duty5.4LV8N/A—
2005FordF-350 Super Duty6.0LV8N/A—
2005FordFreestar——N/A—
2004FordExpedition——N/A—
2004FordF-150——N/ASensor Only
2004FordFreestar——N/A—
2003FordExpedition——N/A—
2002LincolnContinental——N/A—
2001FordTaurus——N/A—
2001LincolnContinental——N/A—
2001MercurySable——N/A—
2000FordTaurus——N/A—
2000LincolnContinental——N/A—
2000MercurySable——N/A—
1999LincolnContinental——N/A—
1998LincolnContinental——N/A—
1997LincolnContinental——N/A—
1996LincolnContinental——N/A—
1995FordTaurus——N/A—
1995LincolnContinental——N/A—
1995MercurySable——N/A—
1994FordTaurus——N/A—
1994LincolnContinental——N/A—
1994MercurySable——N/A—
1993FordTaurus——N/A—
1993LincolnContinental——N/A—
1993MercurySable——N/A—
1992FordTaurus——N/A—
1992LincolnContinental——N/A—
1992MercurySable——N/A—
1991FordTaurus——N/A—
1991LincolnContinental——N/A—
1991MercurySable——N/A—
1990FordTaurus——N/A—
1990LincolnContinental——N/A—
1990MercurySable——N/A—
1989LincolnContinental——N/A—
1988LincolnContinental——N/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5S734072-481776562ATSA163E8OY19C734ATS57415WT5724YH479