HomeEngine > RelaysStandard Ignition RY-401 Engine Control Module Relay
Part #: RY-401

Standard Ignition RY-401 Engine Control Module Relay

⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge and Mitsubishi, Stealth, Montero, Mighty Max, Diamante, Ram 50, Sigma, Raider, and Galant
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Reliable Engine Control Module Relay for Dodge and Mitsubishi Vehicles

The Standard Ignition RY-401 Engine Control Module (ECM) Relay is designed to provide dependable performance for select Dodge and Mitsubishi models. This relay ensures proper power delivery to the ECM, supporting optimal engine management and vehicle operation.

  • Compatible with Dodge Ram 50, Dakota, and Sigma models
  • Fits Mitsubishi Diamante, Galant, Mighty Max, Montero, Raider, and Stealth vehicles
  • Part number RY-401 for precise identification and fitment
  • Engine Control Module (ECM) relay type for critical engine system functions
  • Durable construction to withstand automotive operating conditions

Product Overview and Compatibility

The Standard Ignition RY-401 ECM relay is engineered to meet the electrical requirements of various Dodge and Mitsubishi vehicles. This relay plays a crucial role in controlling the power supply to the engine control module, which manages engine timing, fuel injection, and other vital functions. Compatible with models such as the Dodge Ram 50 and Mitsubishi Montero, this relay ensures consistent engine performance and reliability.

Common Applications and Problem Resolution

  • Restores proper ECM power supply in Dodge Ram 50 and Mitsubishi Raider vehicles
  • Resolves intermittent engine starting issues related to faulty ECM relay
  • Eliminates engine stalling caused by relay failure in Mitsubishi Galant and Stealth
  • Prevents electrical faults affecting engine control systems in Dodge Sigma
  • Supports stable engine operation by maintaining relay circuit integrity

Installation Notes and Tips

When installing the Standard Ignition RY-401 relay, ensure the vehicle's battery is disconnected to prevent electrical shorts. Locate the ECM relay in the fuse box or relay panel specific to your Dodge or Mitsubishi model. Verify the part number RY-401 matches the original relay before installation. Proper seating of the relay terminals is essential for reliable operation. Consult the vehicle’s service manual for detailed relay location and replacement procedures.

Quality Assurance and Warranty Information

Standard Ignition manufactures the RY-401 ECM relay to meet or exceed OEM specifications, ensuring compatibility and durability. Each relay undergoes rigorous testing to confirm electrical performance and longevity. This product is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberRY-401
Amperage Rating10
Connector GenderFemale
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 27 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1996DodgeStealthN/A
1995DodgeStealthN/A
1995MitsubishiMonteroN/A
1994DodgeStealthN/AOE No. E8T07871
1994MitsubishiMighty Max3.0LV6N/A
1994MitsubishiMonteroN/A
1993DodgeStealthN/A
1993MitsubishiDiamanteN/A
1993MitsubishiMighty Max3.0LV6N/A
1993MitsubishiMonteroN/A
1992DodgeStealthN/A
1992MitsubishiDiamanteN/A
1992MitsubishiMighty Max3.0LV6N/A
1992MitsubishiMonteroN/A
1991DodgeRam 503.0LV6N/A
1991DodgeStealthN/A
1991MitsubishiMighty Max3.0LV6N/A
1991MitsubishiMonteroN/A
1990DodgeRam 503.0LV6N/A
1990MitsubishiMighty Max3.0LV6N/A
1990MitsubishiMonteroN/A
1990MitsubishiSigmaN/A
1989DodgeRaiderN/A
1989MitsubishiMonteroN/A
1989MitsubishiSigmaN/A
1988MitsubishiGalantN/A
1988MitsubishiGalantSigmaN/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:

191133261R18182047025-022656-2152AR546B906016MB906016R4790RAA1565

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