HomeBelts and Cooling > SensorsStandard TX66T Engine Coolant Temperature Sensor
Part #: TX66T

Standard TX66T Engine Coolant Temperature Sensor

⚙️ 130 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, and Porsche, 88, 944, 98, Achieva, Bonneville, Camaro, Cavalier, Century, Corsica, Cutlass, Cutlass Ciera, Cutlass Supreme, Firebird, Grand Am, Grand Prix, Hombre, Intrigue, LeSabre, LSS, Lumina, Lumina APV, Lumina Van, Montana, Monte Carlo, Park Avenue, Regal, Regency, Riviera, S10, Silhouette, Skylark, Sonoma, Sunbird, and Trans Sport
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Reliable Engine Coolant Temperature Sensor for Select Vehicles

The Standard TX66T Engine Coolant Temperature Sensor is designed to provide accurate temperature readings for efficient engine management. Compatible with various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, and Porsche models, this sensor ensures proper engine performance and helps prevent overheating.

  • Connector Gender: Female for secure connection
  • Single Connector Quantity with Plug-in type for easy installation
  • Two Male Pin Terminals for reliable electrical contact
  • Compatible with multiple makes and models including Chevrolet Camaro, Buick LeSabre, and Pontiac Grand Prix
  • Standard part number TX66T for precise replacement

Detailed Product Description

The Standard TX66T Engine Coolant Temperature Sensor features a female connector designed to plug directly into the vehicle’s wiring harness, ensuring a stable and corrosion-resistant connection. It includes two male pin terminals that provide consistent electrical conductivity, critical for accurate temperature signal transmission to the engine control unit (ECU). This sensor is engineered to meet OEM specifications, making it suitable for a wide range of vehicles such as the Chevrolet Lumina, Pontiac Firebird, and GMC Sonoma. The plug-in connector type simplifies installation and replacement, reducing downtime during maintenance.

Common Applications and Problem Resolution

  • Helps prevent engine overheating by providing accurate coolant temperature data
  • Resolves erratic temperature gauge readings in Buick and Chevrolet vehicles
  • Addresses engine performance issues related to faulty temperature sensors in Pontiac and GMC models
  • Supports proper fuel mixture adjustments by the ECU in Isuzu and Oldsmobile vehicles
  • Eliminates check engine light triggers caused by sensor malfunctions in Porsche and other compatible models

Installation Notes and Tips

When installing the Standard TX66T sensor, ensure the female plug is securely connected to the vehicle’s wiring harness. Verify that the two male pin terminals are free of corrosion and properly seated to maintain electrical continuity. It is recommended to check the sensor’s fitment against your specific vehicle model and engine type before installation. Avoid over-tightening the sensor to prevent damage to the threads or housing.

Quality Assurance and Warranty

Standard parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TX66T Engine Coolant Temperature Sensor undergoes rigorous quality control testing to guarantee accurate temperature readings and long service life. Please refer to Standard’s warranty policy for coverage details on this sensor.

BrandStandard
Part NumberTX66T
Connector GenderFemale
Connector Quantity1
Connector TypePlug in
Terminal GenderMale
Terminal Quantity2
Terminal TypePin

This part fits 130 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003BuickCenturyN/A3 Blade Term.
2003PontiacGrand PrixN/A
2002BuickCenturyN/A3 Blade Term.
2002BuickRegalN/A
2002PontiacGrand PrixN/A
2001BuickCenturyN/A3 Blade Term.
2001BuickRegalN/A
2001ChevroletLuminaN/A
2001PontiacGrand PrixN/A
2000BuickCenturyN/A3 Blade Term.
2000BuickRegalN/A
2000ChevroletLuminaN/A
2000PontiacGrand PrixN/A
1999BuickCenturyN/A3 Blade Term.
1999BuickLeSabreN/A
1999BuickPark AvenueN/A3 Term.
1999BuickRegalN/A
1999BuickRivieraN/A
1999ChevroletCamaro3.8LV6N/A3 Term.
1999ChevroletLuminaN/A
1999ChevroletMonte CarloN/A
1999Oldsmobile88N/A
1999OldsmobileIntrigue3.8LV6N/A
1999OldsmobileLSSN/A
1999OldsmobileSilhouetteN/A
1999PontiacBonnevilleN/A
1999PontiacFirebird3.8LV6N/A
1999PontiacGrand PrixN/A
1999PontiacMontanaN/A
1999PontiacTrans SportN/A
1998BuickCenturyN/A3 Blade Term.
1998BuickLeSabreN/A
1998BuickPark AvenueN/A3 Term.
1998BuickRegalN/A
1998BuickRivieraN/A
1998ChevroletCamaro3.8LV6N/A3 Term.
1998ChevroletLuminaN/A
1998ChevroletMonte CarloN/A
1998ChevroletS102.2LL4N/A
1998GMCSonoma2.2LL4N/A
1998IsuzuHombre2.2LL4N/A
1998Oldsmobile88N/A
1998OldsmobileIntrigueN/A
1998OldsmobileLSSN/A
1998OldsmobileRegencyN/A
1998OldsmobileSilhouetteN/A
1998PontiacBonnevilleN/A
1998PontiacFirebird3.8LV6N/A
1998PontiacGrand PrixN/A
1998PontiacTrans SportN/A
1997BuickCenturyN/A3 Blade Term.
1997BuickLeSabreN/A
1997BuickPark AvenueN/A3 Term.
1997BuickRegalN/A
1997BuickRivieraN/A
1997ChevroletCamaro3.8LV6N/A
1997ChevroletLumina3.1LV6N/A
1997ChevroletMonte Carlo3.1LV6N/A
1997ChevroletS102.2LL4N/A
1997GMCSonoma2.2LL4N/A
1997IsuzuHombre2.2LL4N/A
1997Oldsmobile88N/A
1997OldsmobileLSSN/A
1997OldsmobileRegencyN/A
1997OldsmobileSilhouetteN/A
1997PontiacBonnevilleN/A
1997PontiacFirebird3.8LV6N/A
1997PontiacGrand PrixN/A
1997PontiacTrans SportN/A
1996BuickCenturyN/A3 Blade Term.
1996BuickLeSabreN/A
1996BuickPark AvenueN/A3 Term.
1996BuickRegalN/A
1996BuickRivieraN/A
1996BuickSkylark3.1LV6N/A3 Term.
1996ChevroletCamaro3.8LV6N/A
1996ChevroletCorsicaN/A
1996ChevroletLumina3.1LV6N/A
1996ChevroletLumina APVN/A
1996ChevroletLumina VanN/A
1996ChevroletMonte Carlo3.1LV6N/A
1996ChevroletS102.2LL4N/A
1996GMCSonoma2.2LL4N/A
1996IsuzuHombreN/A
1996Oldsmobile88N/A
1996Oldsmobile98N/A
1996OldsmobileAchieva3.1LV6N/A
1996OldsmobileCutlassN/A
1996OldsmobileCutlass CieraN/A
1996OldsmobileCutlass SupremeN/A3 Term.
1996OldsmobileLSSN/A
1996OldsmobileSilhouetteN/A
1996PontiacBonnevilleN/A
1996PontiacFirebird3.8LV6N/A
1996PontiacGrand Am3.1LV6N/A
1996PontiacGrand Prix3.1LV6N/A
1996PontiacTrans SportN/A
1995BuickPark AvenueN/A3 Term.
1995BuickRivieraN/A
1995ChevroletCamaro3.8LV6N/A
1995ChevroletCorsica2.2LL4N/A
1995ChevroletS102.2LL4N/A
1995GMCSonoma2.2LL4N/A
1995Oldsmobile88N/A
1995Oldsmobile98N/A
1995OldsmobileCutlassN/A3 Blade Term.
1995OldsmobileCutlass Ciera2.2LL4N/A
1995OldsmobileCutlass SupremeN/A3 Term.
1995PontiacBonnevilleN/A3 Blade Term.
1995PontiacFirebird3.4LV6N/A
1995PontiacFirebird3.8LV6N/A
1994ChevroletCavalier2.2LL4N/A3 Term.
1994ChevroletCorsica2.2LL4N/A
1994ChevroletS102.2LL4N/A
1994GMCSonoma2.2LL4N/A
1994OldsmobileCutlass Ciera2.2LL4N/A
1994OldsmobileCutlass SupremeN/A3 Term.
1994PontiacSunbird2.0LL4N/A
1993ChevroletCavalier2.2LL4N/A3 Term.
1993OldsmobileCutlass Ciera2.2LL4N/A
1993OldsmobileCutlass SupremeN/A3 Term.
1993PontiacSunbird2.0LL4N/A
1992ChevroletCavalier2.2LL4N/A3 Term.
1992PontiacSunbird2.0LL4N/A
1991ChevroletCavalier2.2LL4N/A3 Term.
1991Porsche944N/A3 Term.
1990Porsche944N/A3 Term.
1989Porsche944N/A3 Term.
1988Porsche944N/A3 Term.
1987Porsche944N/A3 Term.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1009618112062140-209158-07431T10432-9385211-10392CTS00023644571-2688740347418881009618108523593859J8CTSA135TS10032TS4020TS4020SBTU178VCTX66WT3024WTC1028

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.