Rein CTI0001 Engine Coolant Thermostat

Brand Rein CTI0001
Application Type ApplicationSpecific
Color Gold
Container Type BX
Country of Origin CN
Is the Installation Hardware Included No
Item Height 2.0000
Item Length 3.0000
Item Level GTIN 843266075869
Item Qty 1
Item UOM EA
Item Weight 0.2950
Item Weight Unit UOM LB
Item Width 3.0000
Link to Manufacturer Page www.reinautomotive.com
Product Desc Extended 240 Rein OE quality thermostat inserts are designed to be direct replacements for OE thermostat inserts. Rein thermostat inserts are manufactured with high-quality plastic or metal construction to ensure durability and long service life.
Product Desc Invoice 40 Rein Thermostat Insert
Product Desc Long 80 Rein OE Quality Thermostat Insert
Product Desc Short 20 Thermostat Insert
Warranty Distance 24000
Fits Volkswagen · 7 vehicles

OE direct replacement. Installs, fits, and performs like the original thermostat insert.

Temperature calibrated. Set to 87°C for consistent cooling-system response.

High-quality construction. Made with durable metals and components for long service life.

Cross-references 025121113F for the same application. See all 1.

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Free returns within 60 days if it doesn't fit when fitment is verified.

OE Thermostat Insert for Vanagon Cooling

Rein CTI0001 is an OE quality engine coolant thermostat insert built for precise temperature control and direct replacement service. It is calibrated to open at 87 degrees Celsius, helping maintain the operating temperature expected in the Volkswagen Vanagon cooling system.

Compatible With 1985-1991 Volkswagen Vanagon, N/A. This Rein thermostat insert is designed around original equipment design specifications for a straightforward repair on the Volkswagen Vanagon.

Key Features

  • Matches original equipment design specifications
  • Supplied with all gaskets or seals needed for installation
  • Built to strict engineering standards for materials and tolerances
  • Thermostat set to 87 degrees Celsius for stable engine temperature control
  • OE quality construction with durable metal and component materials
  • Rein CTI0001 direct replacement thermostat insert for cooling system service

Detailed Description

Rein CTI0001 is an OE quality thermostat insert for the Volkswagen Vanagon, engineered as a direct replacement for the original thermostat insert design. The insert uses high-quality materials and calibrated response characteristics to support consistent coolant flow control as engine temperature changes. For 1985-1991 Volkswagen Vanagon models, this part number provides a fitment-specific solution for cooling system maintenance and repair.

This part cross-references Volkswagen 025121113F for the same application.

Common Repair Symptoms

  • Engine running too cool or taking too long to reach operating temperature
  • Temperature fluctuations during normal driving
  • Cooling system service requiring replacement of the thermostat insert
  • Incorrect coolant regulation affecting heater performance
  • Need for an OE-style thermostat insert on a Volkswagen Vanagon

Installation Notes

Verify the thermostat housing and sealing surfaces are clean before installation. Use the supplied gaskets or seals during assembly and confirm the thermostat is seated correctly in the housing. This Rein CTI0001 thermostat insert is application specific for 1985-1991 Volkswagen Vanagon, N/A, so confirm vehicle details against the listed fitment before service.

Quality Assurance

Rein manufactures this thermostat insert to meet or exceed OE material expectations and engineering tolerances. The part is temperature calibrated for consistent response, and it carries a 24,000-mile warranty.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1991VolkswagenVanagon2.1LH4N/AEngine Coolant Thermostat 87c
1990VolkswagenVanagon2.1LH4N/AEngine Coolant Thermostat 87c
1989VolkswagenVanagon2.1LH4N/AEngine Coolant Thermostat 87c
1988VolkswagenVanagon2.1LH4N/AEngine Coolant Thermostat 87c
1987VolkswagenVanagon2.1LH4N/AEngine Coolant Thermostat 87c
1986VolkswagenVanagon2.1LH4N/AEngine Coolant Thermostat 87c
1985VolkswagenVanagon1.9LH4N/AEngine Coolant Thermostat 87c
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
025121113F