HomeBelts and Cooling > RelaysStandard Ignition RY1838 Engine Cooling Fan Motor Relay
Part #: RY1838

Standard Ignition RY1838 Engine Cooling Fan Motor Relay

⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, CX-3, MX-5 Miata, and 6
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Reliable Engine Cooling Fan Motor Relay for Mazda Vehicles

The Standard Ignition RY1838 Engine Cooling Fan Motor Relay is designed to provide dependable operation for your Mazda 6, CX-3, and MX-5 Miata. This relay ensures proper control of the engine cooling fan, helping maintain optimal engine temperature under various driving conditions.

  • Compatible with Mazda 6, CX-3, and MX-5 Miata models
  • Rectangular connector shape for secure electrical connection
  • Four male blade terminals for reliable contact
  • Engine cooling fan motor relay designed for precise fan control
  • Mounting bracket not included, allowing flexible installation options

Product Features and Specifications

The RY1838 relay features a rectangular connector shape that fits securely with the vehicle’s wiring harness. It includes four male blade terminals, which provide stable electrical connections essential for consistent fan motor operation. This relay is not rated for continuous duty, meaning it is designed to operate intermittently as required by the engine cooling system. The absence of a mounting bracket allows for direct replacement in vehicles where the bracket is integrated or not necessary.

Purpose and Application

This engine cooling fan motor relay is critical for controlling the electric fan that cools the radiator and engine. It helps prevent overheating by activating the fan when engine temperature rises. The RY1838 relay is compatible with specific Mazda models, including the Mazda 6, CX-3, and MX-5 Miata, ensuring proper fit and function.

  • Prevents engine overheating by controlling fan activation
  • Resolves intermittent or non-functioning cooling fan issues
  • Eliminates electrical faults related to fan motor relay failure
  • Supports stable engine temperature regulation during idle and driving

Installation Notes and Tips

When installing the Standard Ignition RY1838 relay, verify the connector shape and terminal configuration match your vehicle’s existing relay. Since the mounting bracket is not included, ensure your vehicle’s mounting hardware is intact or compatible. Disconnect the battery before installation to avoid electrical shorts. Properly seat the relay to maintain secure electrical contact and prevent vibration-related issues.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RY1838 relay undergoes rigorous testing to ensure reliable performance in engine cooling applications. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in your replacement part.

BrandStandard Ignition
Part NumberRY1838
Connector ShapeRectangular
Continuous DutyNo
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019MazdaCX-3N/A
2019MazdaMX-5 MiataN/A
2018MazdaCX-3N/A
2018MazdaMX-5 MiataN/A
2017MazdaMX-5 MiataN/A
2016Mazda62.5LL4N/A
2016MazdaMX-5 MiataN/A

* 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:

164201R3594AR7342D10A67730R7341RAA2979

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