Standard Ignition RCS105 Engine Intake Manifold Runner Solenoid

Engine Intake Manifold Runner Solenoid for Mazda

Standard Ignition RCS105 is an engine intake manifold runner solenoid for gas applications that uses a female 2-pin connector layout with rectangular and square connector shapes. It is built with a blade terminal design and a sensor-only configuration for direct replacement service on supported Mazda intake runner systems.

Compatible with Mazda 3, Mazda 6, Mazda 5, and Mazda CX-7 applications, this intake manifold runner solenoid supports proper intake runner control on vehicles that rely on electronic manifold switching. Standard Ignition RCS105 is a practical choice when diagnosing runner control faults on 2004-2014 Mazda models.

Key Features

• Engine intake manifold runner solenoid for gas systems
• Female connector gender with 2 connectors
• Rectangular and square connector shapes
• Blade terminal design with male terminals
• Sensor-only configuration
• Hose connector layout with 4 ports
• Direct-fit service part for supported Mazda intake runner applications

Detailed Description

The Standard Ignition RCS105 is an intake manifold runner solenoid used to control intake runner operation in vehicles equipped with electronic runner management. It is specified with a female connector, two connectors, and blade terminals, making it suitable for replacement of the original solenoid on supported Mazda intake systems. This part number, RCS105, is commonly searched for Mazda 3, Mazda 6, Mazda 5, and Mazda CX-7 intake runner repairs.

This part cross-references Dorman - OE Solutions 994-018 for the same application. It also aligns with other interchange references used in the aftermarket for this service position.

Common Problems It Can Help Solve

• Intake runner control fault codes
• Rough idle related to runner operation
• Loss of low-end torque from stuck runner control
• Check engine light triggered by runner solenoid failure
• Driveability issues tied to intake manifold switching

Installation Notes and Tips

• Verify connector shape, terminal style, and hose port layout before installation.
• Confirm the vehicle uses the correct gas-system intake runner setup.
• Match the replacement to the original sensor-only configuration.
• Review the vehicle’s intake manifold hardware and bracket arrangement, since listed fitments note w/o Bracket.
• Use the exact vehicle application to confirm fitment on Mazda 3, Mazda 6, Mazda 5, or CX-7 models.

Quality Assurance

Standard Ignition replacement parts are cataloged for OE-style service applications and are identified by precise connector and terminal specifications to support accurate fitment selection. Confirm the part number RCS105 against the original component before ordering.

Fits 2004-2013 Mazda 3, N/A; w/o Bracket; Set. Fits 2009-2013 Mazda 6, N/A; w/o Bracket; Set. Fits 2012-2014 Mazda 5, N/A; w/o Bracket; Set. Fits 2010-2012 Mazda CX-7, N/A; w/o Bracket; Set.