aFe POWER Throttle Body

2018–2026 Jeep Wrangler / Gladiator / Ram 1500 3.6L V6

Part #: 46-39119

Overview

The aFe POWER 78mm Throttle Body is a high-performance upgrade designed to enhance the airflow into your engine, replacing the restrictive stock 74mm throttle body. Specifically engineered for the 3.6L V6 engines found in 2018–2026 Jeep Wrangler, 2020–2026 Jeep Gladiator, and 2019–2026 Ram 1500 models, this throttle body delivers improved throttle response and increased horsepower potential. It is ideal for enthusiasts looking to maximize engine efficiency and performance, especially when combined with other aftermarket modifications.

By increasing the throttle bore diameter, this aFe POWER throttle body allows your engine to breathe more freely, resulting in smoother acceleration and a more responsive driving experience. Its direct fitment ensures a seamless upgrade without the need for custom fabrication or additional modifications.

Key Features

Engineered for performance and reliability, the aFe POWER 78mm Throttle Body offers the following key features:

• Increased throttle bore size from 74mm to 78mm for enhanced airflow
• Improves horsepower and throttle response across the RPM range
• Direct bolt-on replacement using all factory mounting points for hassle-free installation
• Precision-machined for optimal fit and function
• Compatible with stock sensors and throttle cables for plug-and-play operation
• Durable construction designed to withstand daily driving and performance use
• Enhances performance gains when paired with additional engine upgrades

Construction & Design

The aFe POWER throttle body is crafted from high-quality materials to ensure long-lasting durability and consistent performance. Its precision-machined aluminum housing provides a lightweight yet robust structure that resists corrosion and wear. The design maintains all factory mounting locations and sensor interfaces, preserving the integrity of your vehicle’s original systems while delivering improved airflow dynamics.

Attention to detail in the engineering process ensures smooth throttle plate operation and reliable sensor integration, contributing to improved drivability and engine responsiveness.

Performance & Sound

By increasing the throttle body diameter, this upgrade allows your engine to draw in more air efficiently, which can translate to noticeable improvements in horsepower and throttle response. Drivers will experience quicker acceleration and a more immediate engine reaction to throttle inputs. While the throttle body itself does not significantly alter exhaust sound, the enhanced airflow can complement other performance modifications that affect engine tone and character.

Installation & Fitment

The aFe POWER 78mm Throttle Body is designed for a direct bolt-on installation, utilizing all factory mounting points to ensure a secure and stable fit. No modifications to the intake manifold or throttle linkage are required, making the upgrade straightforward for both professional installers and experienced DIY enthusiasts. The throttle body is compatible with the stock sensors and wiring harnesses, allowing for a seamless integration with your vehicle’s existing systems.

What's Included

• aFe POWER 78mm Throttle Body
• Installation hardware
• Detailed installation instructions

Ideal For

This throttle body upgrade is perfect for Jeep Wrangler, Gladiator, and Ram 1500 owners with the 3.6L V6 engine who are seeking to improve throttle response and overall engine performance. It is especially beneficial for those who have or plan to install additional performance parts such as cold air intakes, exhaust systems, or engine tuning. Whether you use your vehicle for daily driving, off-roading, or spirited street performance, this throttle body provides a reliable and effective enhancement.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.