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G1,G2 Thermostat (92C) - 1.1 (FA,GG), 1.3 (GF)

This 92°C engine thermostat including sealing gasket is a direct-replacement part for a wide range of classic Volkswagen small-capacity petrol engines. It plays a critical role in regulating engine temperature by controlling coolant flow between the engine and radiator, helping the engine warm up quickly and then maintain a stable operating temperature during normal driving.

When the engine is cold, the thermostat remains closed, allowing coolant to circulate within the engine only. Once the coolant reaches 92°C, the thermostat opens and allows coolant to flow to the radiator, preventing overheating and ensuring efficient combustion, correct heater performance, and reduced engine wear. A sticking or failed thermostat can cause overheating, poor warm-up, high fuel consumption, or weak cabin heating — making replacement essential during cooling system servicing.

This unit is supplied complete with the correct gasket/seal, ensuring a proper seal against the thermostat housing and helping prevent coolant leaks after installation. It is designed to match original factory specifications for opening temperature and fitment, making it suitable for both daily-driven classics and restoration projects.

Supplied Contents

  • 1 × Thermostat (92°C opening temperature)

  • 1 × Thermostat sealing gasket

Technical Details

  • Opening temperature: 92°C

  • Engine types: 1.1 & 1.3 petrol

  • Supplied with gasket/seal

  • Direct replacement part

Engine Codes

  • GN, HK, GT, HW


Vehicle Fitment Summary

VW Derby

  • Derby (86): 1977–1981, 0.9–1.3 Petrol

  • Derby (86C): 1981–1984, 1.1–1.3 Petrol

VW Golf

  • Golf Mk1 Hatchback: 1974–1983, 1.1–1.3 Petrol

  • Golf Mk1 Cabriolet: 1983–1986, 1.3 Petrol

  • Golf Mk2 Hatchback: 1983–1987, 1.0–1.3 Petrol

VW Jetta

  • Jetta Mk1: 1979–1984, 1.1–1.3 Petrol

  • Jetta Mk2: 1984–1987, 1.3 Petrol

VW Passat

  • Passat B1: 1973–1980, 1.3 Petrol (Hatchback & Estate)

  • Passat B2: 1980–1986, 1.3 Petrol (Hatchback & Estate)

VW Polo

  • Polo Mk1 (86): 1975–1981, 0.8–1.3 Petrol

  • Polo Mk2 (86C): 1981–1989, 1.0–1.3 Petrol (Hatchback, Coupe & Saloon)

VW Scirocco

  • Scirocco Mk1 (53): 1974–1980, 1.1–1.3 Petrol

  • Scirocco Mk2 (53B): 1980–1983, 1.3 Petrol

VW Santana

  • Santana: 1981–1983, 1.3 Petrol


Recommended Related Parts

  • Thermostat housing seal (if not already included with housing)

  • Coolant temperature sender

  • Coolant hoses and hose clips

  • Fresh coolant/antifreeze

This Part Fits: Mk1 Golf, Mk2 Golf, Jetta, Mk1 Golf Cabriolet, Mk1 Polo, Mk2 Polo, Scirocco,

Availability: Special Order Item

Item Name: Thermostat with seal, 92°C

Description: Thermostat, coolant

Product Group: Cooling

Group: Cooling System

Unit of Measure: Each

Manufacturer: JOPEX

Dimensions:

Width: 80mm

Height: 80mm

Depth: 85mm

Volume: 544000mm3

Weight: 0.065kg

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