Dorman 994-018 Engine Intake Manifold Runner Solenoid

Overview of Dorman Engine Intake Manifold Runner Solenoid 994-018

The Dorman Engine Intake Manifold Runner Solenoid 994-018 is designed for precise control of the intake manifold runner in select Mazda vehicles. This solenoid helps optimize engine performance and efficiency by regulating airflow within the intake manifold system.

• Compatible with Mazda 3, 3 Sport, 5, 6, and CX-7 models
• Durable metal and plastic housing for reliable operation
• Two rectangular female connectors with blade-type male terminals
• Connector hose inside diameters of 0.44 and 0.525 inches
• Length of 5.271 inches with five mounting holes for secure installation
• Includes one purge valve in the package contents
• Four ports with 0.17 inch outside diameter each, no vacuum ports

Detailed Product Description and Specifications

The Dorman 994-018 Engine Intake Manifold Runner Solenoid features a combination of metal and plastic housing materials that provide durability and resistance to engine bay conditions. It includes two rectangular female connectors with blade-type male terminals, ensuring a secure electrical connection. The solenoid has two connector hose inside diameters measuring 0.44 and 0.525 inches, accommodating specific hose sizes for proper fitment. Measuring 5.271 inches in length, it mounts securely using five mounting holes with diameters ranging from 0.21 to 0.275 inches. The solenoid has four ports, each with an outside diameter of 0.17 inches, and does not include vacuum ports or connectors.

Compatible Mazda Models and Applications

This solenoid is compatible with various Mazda vehicles, including the Mazda 3, Mazda 3 Sport, Mazda 5, Mazda 6, and Mazda CX-7. It is designed to replace the factory intake manifold runner solenoid, restoring proper airflow control and engine performance in these models. The part number 994-018 ensures correct identification and fitment for these specific Mazda vehicles.

Common Issues Addressed by the Intake Manifold Runner Solenoid

• Irregular engine idle or stalling due to faulty runner control
• Reduced engine power and acceleration performance
• Check engine light triggered by intake manifold runner faults
• Increased fuel consumption from improper airflow regulation
• Engine hesitation or rough running at low RPMs

Installation Notes and Tips

Installation of the Dorman 994-018 solenoid requires basic mechanical skills and tools. Ensure the engine is cool before beginning work. Disconnect the battery to prevent electrical shorts. Remove the old solenoid carefully, noting the position of connectors and mounting points. The solenoid mounts with five bolts (not included), so verify hardware compatibility or reuse existing bolts. Connect the two rectangular female connectors securely to the blade-type male terminals. Double-check hose connections to the specified inside diameters of 0.44 and 0.525 inches for a proper seal.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 994-018 Engine Intake Manifold Runner Solenoid undergoes quality control testing to ensure proper function. While mounting hardware is not included, the solenoid is designed for straightforward replacement. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.