OEM-Style Gray 2-Pin VTEC Solenoid Plug for K-Series & R-Series Engines

The Honda Gray 2-Pin VTEC Solenoid Connector is an OEM-style replacement plug used on K-Series, R-Series, and select late-model D-Series engines. This connector interfaces directly with the VTEC oil control solenoid and is critical for proper cam profile engagement and ECU-controlled valve timing.

This is the gray VTEC solenoid connector, not the orange VTEC pressure switch (VTS) plug. Proper identification is important when repairing or building custom engine harnesses.

Designed for professional harness repair and motorsport fabrication, this connector provides secure terminal retention, proper sealing, and long-term durability.

Common Applications

This 2-pin gray connector is commonly used on:

• Honda K20 engines

• Honda K24 engines

• Honda R18A engines

• Honda R20A engines

• Honda D17 engines

• Select late-model D-Series applications

Frequently found in:

• K-swap builds

• 8th Gen Civic Si

• RSX Type-S

• TSX K24A2

• R18 Civic builds

• Custom standalone ECU installations

If your engine uses the gray 2-pin VTEC oil control solenoid connector, this is the correct replacement or harness-build plug.

Ideal for K-Swap & Custom Harness Builds

This connector is commonly required when:

• Rebuilding a K-Series engine harness

• Performing a K-swap

• Repairing damaged VTEC wiring

• Converting to standalone ECU management

• Building a mil-spec or tucked engine harness

Proper VTEC solenoid wiring is critical for accurate cam engagement and engine performance.

Built for Professional Harness Fabrication

• Accepts 22–20 AWG terminals

• Includes properly sized wire seals

• OEM-style housing for secure locking engagement

• Designed for engine bay heat and vibration environments

Suitable for street, track, and motorsport builds.

What’s Included

• 1× Gray 2-Pin VTEC Solenoid Connector Housing

• 2× Terminals (22–20 AWG compatible)

• 2× Wire Seals

Installation Notes

Proper open-barrel crimping tools are required for correct terminal installation. Professional wiring knowledge is recommended to ensure correct polarity and reliable VTEC engagement.

Incorrect wiring may result in VTEC malfunction or ECU fault codes.