Subaru OEM Transmission Harness 2015-2021 WRX / 2008-2021 STI Luxury

Description

Subaru OEM Transmission Harness 2015-2021 WRX / 2008-2021 STI | OEM Replacement | Drivetrain Maintenance

Overview

The Subaru OEM Transmission Harness for 2015-2021 WRX and 2008-2021 STI models is a critical component designed to ensure precise communication between your vehicle’s transmission sensors, solenoids, and ECU. This genuine Subaru part is ideal for enthusiasts and technicians seeking a reliable, direct replacement that maintains optimal drivetrain performance. Proper wiring and connections are essential for smooth shifting, consistent power delivery, and long-term drivetrain health, especially when performing repairs or restoring factory functionality.

Built with Subaru’s engineering standards in mind, this harness features durable connectors and a perfect fit to match your vehicle’s wiring harness layout. Using OEM parts guarantees compatibility, reduces the risk of electrical issues, and preserves the integrity of your vehicle’s electronic systems. Whether you’re maintaining a stock setup or preparing for future modifications, this harness supports your vehicle’s complex electronics for dependable operation. Subaru owners who prioritize longevity and reliability will appreciate the quality and precision of this OEM replacement, ensuring their WRX or STI continues to perform at its best.

Features & Specifications

This Subaru OEM Transmission Harness is engineered specifically for Subaru WRX and STI models from 2008 to 2021, featuring high-quality wiring and connectors designed for durability and precise signal transmission.

• Brand: Subaru OEM
• Product: Transmission Harness
• Part Number: Refer to Subaru OEM catalog for specific part numbers
• Fitment: 2015-2021 WRX, 2008-2021 STI
• Material: High-grade automotive wiring and connectors

Finish: Factory OEM finish with durable plastic connectors

• Construction: Precise molded wiring harness with OEM connectors
• Origin: Made in Japan

Key Benefits

• Reliable Communication: Ensures accurate data transfer between transmission sensors and ECU for smooth shifting and optimal performance.
• OEM Fitment: Perfectly designed to match Subaru’s factory wiring layout, simplifying installation and ensuring compatibility.
• Enhanced Durability: Built with high-quality materials to withstand heat, vibration, and age, providing long-lasting reliability.
• Prevent Electrical Issues: Replacing faulty wiring reduces the risk of transmission faults, misfires, or shifting problems.
• Maintains Vehicle Integrity: Using genuine Subaru parts preserves factory standards and supports vehicle longevity.

What’s Included

• 1× Subaru OEM Transmission Harness for 2015-2021 WRX / 2008-2021 STI
• Installation instructions (if provided)

Installation & Compatibility

This OEM transmission harness is a direct replacement designed for straightforward installation on compatible Subaru WRX and STI models from 2008 to 2021. While the installation process is manageable for those with basic automotive wiring experience, professional installation is recommended to ensure proper connection and function. No special tools are typically required beyond standard hand tools, but verifying compatibility with your specific vehicle year and trim is essential before installation. This harness is ideal for drivetrain repairs, maintenance, or restoring factory electronics after wiring issues or component replacements. Proper installation helps maintain your vehicle’s shifting performance and electronic reliability, ensuring your Subaru continues to deliver confident driving experience.