Billetworkz Automatic Shift Knob Adapter

2019–2024 Toyota GR Corolla / Corolla Hatch and Sedan

Part #: BW-AA-TOYAU-BLU

Overview

The Billetworkz Automatic Shift Knob Adapter is a precision-engineered solution designed specifically for 2019 and newer Toyota GR Corolla, Corolla Hatch, and Sedan models equipped with automatic transmissions. This adapter enables you to upgrade your vehicle’s interior by installing any Billetworkz shift knob, replacing the factory knob’s integrated button with a safer and more refined lockout system. Ideal for enthusiasts seeking a more secure and rattle-free shifting experience, this adapter eliminates the common issues associated with pressing down on the shift knob itself.

By integrating a spring-loaded lockout collar, the adapter ensures intentional gear changes while preventing accidental shifts and unwanted knob movement. This upgrade not only enhances the tactile feel of your gear selector but also contributes to a quieter, more premium cabin environment.

Key Features

Designed with both functionality and style in mind, the Billetworkz Automatic Shift Knob Adapter offers the following key features:

• Compatible with 2019+ Toyota GR Corolla, Corolla Hatch, and Sedan automatic transmissions
• Fixed-position design for enhanced safety and stability during shifting
• Spring-loaded lockout collar replaces the factory integrated button, requiring a deliberate press to engage reverse or drive
• Eliminates the need to push down on the shift knob itself, reducing unwanted movement and improving driver confidence
• Prevents interior rattle by securely locking the shift knob in place
• CNC-machined from premium 6061 aluminum for durability and precision fitment
• Available with an anodized finish in Black, Red, or Blue to match your interior styling
• Standard 12x1.25mm thread ensures guaranteed compatibility with Billetworkz shift knobs

Construction & Design

The adapter is meticulously crafted from high-quality 6061 aluminum using CNC machining techniques, ensuring exceptional strength and a precise fit. The anodized finish not only provides corrosion resistance but also adds a sleek, durable surface that complements the interior aesthetics of your Toyota GR Corolla or Corolla Hatch and Sedan. The spring-loaded lockout collar is engineered to return smoothly to its default position after engagement, preventing accidental gear shifts and contributing to a refined shifting feel.

Installation & Fitment

Installation is straightforward and requires no permanent modifications to your vehicle. The adapter replaces the factory shift knob’s integrated button mechanism, allowing you to mount any Billetworkz automatic shift knob with a 12x1.25mm thread. The fixed-position design ensures a secure fit, eliminating the common issue of knob wobble or looseness. This product is specifically designed for 2019 and newer Toyota GR Corolla, Corolla Hatch, and Sedan automatic transmissions, guaranteeing a perfect fit and seamless integration.

What's Included

• Billetworkz Automatic Shift Knob Adapter (anodized in selected color)
• Spring-loaded lockout collar assembly
• Installation instructions

Ideal For

This adapter is perfect for Toyota GR Corolla and Corolla Hatch and Sedan owners who want to personalize their automatic transmission shifter with a premium Billetworkz shift knob. It is especially suited for enthusiasts seeking a safer, more intentional shifting experience without the drawbacks of the factory integrated button design. Additionally, those looking to reduce interior noise and eliminate unwanted knob movement will benefit from this upgrade.

Founded in 2014 by Austin Barnett, Billetworkz was born from a deep love for custom builds and the car community. With a Mechanical Engineering degree from Penn State, Austin brings a sharp eye for performance, precision, and personalization. His passion for cars started young—fueled by time spent with his father—and has only grown since. His iconic “Rexzilla” RB26 build is a true reflection of the craftsmanship and dedication behind everything we create at Billetworkz.