Keep the engine cooling fan switching on command with the Standard Ignition Engine Cooling Fan Module / Engine Cooling Fan Motor Relay (MPN RY-437). This electrical control switches power to the cooling fan motor so the fan can run when the engine control system calls for it, and it drops in as a direct-fit replacement for the 1995-2002 Volkswagen Cabrio (All, L4-2.0L); 1993-1998 Volkswagen Jetta (All, L4-1.8L in 1993-1995, L4-1.9L, L4-2.0L, and V6-2.8L in 1994-1998); and 1995-1997 Volkswagen Passat (All, L4-1.9L, L4-2.0L in 1995-1996, and V6-2.8L).
- Fan-circuit control: switches the electrical supply to the engine cooling fan motor when the control system energizes it.
- Direct-fit design: intended to replace the original module/relay on the listed Volkswagen applications.
- Cataloged under both names: listed as an Engine Cooling Fan Module and an Engine Cooling Fan Motor Relay.
Signs this part may need replacing include a cooling fan that never runs, a fan that runs constantly, or intermittent fan operation. If a failed fan module/relay is the cause, replacing it with RY-437 re-establishes the switched connection to the fan motor; diagnose the circuit first, since these symptoms can have other causes.
Manufacturer part number RY-437.
Frequently Asked Questions
What does the RY-437 do?
It is a cooling fan module/relay that switches electrical power to the engine cooling fan motor when the control system calls for the fan to run.
Will this fit my vehicle?
It is a direct-fit replacement for the 1995-2002 Volkswagen Cabrio, 1993-1998 Volkswagen Jetta, and 1995-1997 Volkswagen Passat. Check the Buyer's Guide tab for your exact year and engine.
Why is it listed under two names?
The catalog classifies it as both an Engine Cooling Fan Module and an Engine Cooling Fan Motor Relay, so it appears under both names for the same part.
What are signs this part may need replacing?
A fan that never runs, runs constantly, or works intermittently. These can have other causes, so diagnose the fan circuit before replacing this part.
Does it fit the V6 engines too?
Yes—among the listed applications it covers the V6-2.8L Jetta (1994-1998) and Passat (1995-1997), along with the four-cylinder engines shown in the Buyer's Guide.
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