Crown Auto Throttle Boy Throttle Body

2008–2011 Jeep Wrangler JK 3.8L V6

Part #: 4593858AB

Overview

The Crown Auto Throttle Boy Throttle Body is a direct replacement part designed specifically for the 3.8L V6 engine found in Jeep Wrangler JK models from 2008 to 2011. Engineered to meet or exceed OEM specifications, this throttle body ensures reliable performance and smooth throttle response. It is an ideal upgrade or replacement for those seeking to maintain optimal engine efficiency and drivability without compromising factory standards.

Constructed with a combination of plastic and stainless steel components, this throttle body offers durability and corrosion resistance, making it well-suited for the rugged conditions often encountered by Jeep owners. Backed by a 12-month warranty, the Crown Auto Throttle Boy provides peace of mind and long-term value for your vehicle.

Key Features

This throttle body combines quality materials and precise engineering to deliver dependable operation and fitment. Key features include:

• Direct replacement for the standard bore throttle body on 3.8L Jeep Wrangler JK engines
• Constructed with durable plastic and stainless steel for corrosion resistance
• Exact fitment ensures seamless installation without modifications
• Maintains OEM throttle response and engine performance characteristics
• 12-month warranty for added confidence and reliability
• Compatible with factory sensors and connectors for plug-and-play replacement
• Precision manufacturing to meet strict quality control standards
• Designed to withstand harsh environmental conditions typical of off-road use

Construction & Design

The Crown Auto Throttle Boy Throttle Body features a robust design combining high-grade plastic and stainless steel components. The plastic housing reduces weight while providing resistance to heat and chemical exposure, and the stainless steel throttle plate ensures smooth, precise throttle operation. This blend of materials balances durability with performance, making it suitable for both daily driving and off-road adventures.

Manufactured to OEM specifications, the throttle body maintains the original bore size and mounting points, ensuring a perfect fit and reliable sealing. The design also supports factory-installed sensors, preserving the vehicle’s engine management system integrity.

Installation & Fitment

Installation of the Crown Auto Throttle Boy Throttle Body is straightforward and requires no special modifications. It is a direct bolt-on replacement for the 2008–2011 Jeep Wrangler JK models equipped with the 3.8L V6 engine. The unit is compatible with existing wiring harnesses and sensors, allowing for a plug-and-play setup that minimizes downtime.

Professional installation is recommended to ensure proper calibration and to verify throttle response after replacement. This throttle body is ideal for mechanics and Jeep enthusiasts looking to restore or maintain factory throttle performance.

What’s Included

• One Crown Auto Throttle Boy Throttle Body (standard bore)
• Installation hardware as required for direct replacement
• 12-month manufacturer warranty documentation

Ideal For

This throttle body is perfect for Jeep Wrangler JK owners who need a reliable replacement part that matches OEM quality. It is well-suited for those maintaining their vehicle’s original performance or restoring throttle response after wear or failure. Off-road enthusiasts and daily drivers alike will benefit from its durable construction and precise fitment.

With over 10,000 different part numbers in stock for Jeep® vehicles from 1942 on up, Crown has the largest stock of replacement parts for Jeep® vehicles, including factory-discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission and transfer case components. Crown Automotive also offers an exclusive line of component kits and accessory products.