Standard Ignition FLS-72 Engine Coolant Level Sensor

Brand Standard Ignition FLS-72
Connector Gender Female
Connector Type Plug In
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Volkswagen · 56 vehicles

Plug-in connector. Simplifies installation with a direct electrical connection.

Blade terminals. Two-terminal design for a secure, reliable signal path.

Engine coolant level sensor for monitoring coolant level.

Cross-references Standard Ignition FLS-72, URO 251919372 and FLS606 for the same application. See all 5.

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Engine Coolant Level Sensor for Volkswagen Applications

Standard Ignition FLS-72 is an engine coolant level sensor built for direct replacement use in select Volkswagen cooling systems. It uses a female plug-in connector, 2 blade terminals, and 12-volt electrical specification to support accurate coolant level monitoring in compatible vehicles.

For Volkswagen Passat, Cabriolet, Golf, Jetta, Vanagon, Quantum, and Rabbit Pickup applications, this coolant level sensor helps restore proper low-coolant warning function when the original sensor is worn or no longer reading correctly. Standard Ignition FLS-72 is a practical choice for drivers searching for a Volkswagen coolant level sensor replacement or a FLS-72 engine coolant level sensor for older VW models.

Key Features

  • Engine coolant level sensor for cooling system monitoring
  • Female connector with plug-in style connection
  • 2 male blade terminals for electrical interface
  • 12-volt design
  • Direct-fit replacement for select Volkswagen vehicles
  • Cross-references URO 251919372 for the same application

Detailed Description

Standard Ignition FLS-72 is an engine coolant level sensor engineered for vehicles that rely on an electrical coolant level warning circuit. The connector and terminal configuration are specified for straightforward replacement in supported Volkswagen platforms, including 1980-1992 Volkswagen Jetta, 1985-1992 Volkswagen Golf, 1985-1992 Volkswagen Cabriolet, 1983-1991 Volkswagen Vanagon, 1982-1988 Volkswagen Quantum, 1983 Volkswagen Rabbit Pickup, and 1991-1993 Volkswagen Passat. If you are looking for a Volkswagen coolant level sensor for Jetta, Golf, or Vanagon models, this part number is a direct match for the listed applications.

The FLS-72 part number is also referenced by aftermarket numbers FLS606, S8102, and SU4661. Use this sensor when the vehicle’s coolant warning system needs a replacement component that matches the original electrical layout and 12-volt specification.

What It Helps Address

  • Inoperative or intermittent low-coolant warning light
  • Faulty coolant level signal from a worn sensor
  • Electrical connection issues at the coolant level sensor
  • Replacement needs on aging Volkswagen cooling systems
  • Restoration of coolant monitoring on compatible VW models

Installation Notes and Tips

Verify connector style, terminal layout, and vehicle application before installation. Inspect the coolant reservoir or sensor mounting area for contamination, corrosion, or damaged wiring that could affect signal quality. Confirm the cooling system is filled to the proper level and check for leaks after replacement. For best results, compare the original sensor to Standard Ignition FLS-72 before installation on Volkswagen Passat, Jetta, Golf, Cabriolet, Vanagon, Quantum, or Rabbit Pickup models.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. FLS-72 is built to match the listed fitment and electrical specifications for the confirmed Volkswagen applications.

This part fits 56 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1993VolkswagenPassat1.8LL4N/A
1992VolkswagenCabrioletN/A
1992VolkswagenGolfN/A
1992VolkswagenJettaN/A
1992VolkswagenPassat1.8LL4N/A
1991VolkswagenCabrioletN/A
1991VolkswagenGolfN/A
1991VolkswagenJettaN/A
1991VolkswagenPassat1.8LL4N/A
1991VolkswagenVanagonN/A
1990VolkswagenCabrioletN/A
1990VolkswagenGolfN/A
1990VolkswagenJettaN/A
1990VolkswagenVanagonN/A
1989VolkswagenCabrioletN/A
1989VolkswagenGolfN/A
1989VolkswagenJettaN/A
1989VolkswagenVanagonN/A
1988VolkswagenCabrioletN/A
1988VolkswagenGolfN/A
1988VolkswagenJettaN/A
1988VolkswagenQuantumN/A
1988VolkswagenVanagonN/A
1987VolkswagenCabrioletN/A
1987VolkswagenGolfN/A
1987VolkswagenJettaN/A
1987VolkswagenQuantumN/A
1987VolkswagenVanagonN/A
1986VolkswagenCabrioletN/A
1986VolkswagenGolfN/A
1986VolkswagenJettaN/A
1986VolkswagenQuantumN/A
1986VolkswagenVanagonN/A
1985VolkswagenCabrioletN/A
1985VolkswagenGolfN/A
1985VolkswagenJettaN/A
1985VolkswagenQuantum2.2LL5N/A
1985VolkswagenQuantum1.6LL4N/A
1985VolkswagenQuantum1.8LL4N/A
1985VolkswagenVanagonN/A
1984VolkswagenJettaN/A
1984VolkswagenQuantum1.6LL4N/A
1984VolkswagenQuantum1.8LL4N/A
1984VolkswagenQuantum2.2LL5N/A
1984VolkswagenVanagonN/A
1983VolkswagenJettaN/A
1983VolkswagenQuantum1.6LL4N/A
1983VolkswagenQuantum1.7LL4N/A
1983VolkswagenQuantum2.2LL5N/A
1983VolkswagenRabbit PickupDIESELN/A
1983VolkswagenVanagonN/A
1982VolkswagenJettaN/A
1982VolkswagenQuantum1.7LL4N/A
1982VolkswagenQuantum1.6LL4N/A
1981VolkswagenJettaN/A
1980VolkswagenJettaN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — FLS-72URO — 251919372FLS606S8102SU4661