Crown Auto Fuel Injector

2007–2011 Jeep Wrangler JK 3.8L V6

Part #: 4861667AA

Overview

The Crown Auto Fuel Injector is a direct replacement part engineered specifically for the 2007 to 2011 Jeep Wrangler JK equipped with the 3.8L V6 engine. Designed to restore optimal fuel delivery and engine performance, this fuel injector ensures your vehicle runs smoothly and efficiently. Whether you are repairing a faulty injector or upgrading your fuel system components, this injector offers reliable operation backed by a 12-month warranty for peace of mind.

Each injector is sold individually and includes all necessary seals to guarantee a proper fit and leak-free installation. Crown Auto’s commitment to quality and precision makes this injector an excellent choice for Jeep owners seeking dependable OEM-level performance without compromise.

Key Features

This fuel injector combines quality construction with precise engineering to meet or exceed factory specifications. Key features include:

• Direct replacement for the 3.8L V6 engine in Jeep Wrangler JK (2007–2011)
• Includes all required seals for a secure, leak-free installation
• Manufactured to strict quality standards for consistent fuel atomization
• Sold individually to allow replacement of only the faulty injector
• 12-month warranty for added confidence and reliability
• Compatible with original fuel system components for seamless integration
• Designed to maintain optimal fuel efficiency and engine performance
• Corrosion-resistant materials to withstand harsh engine conditions

Construction & Design

The Crown Auto Fuel Injector is crafted from high-grade materials engineered to endure the demanding environment of the engine bay. Precision machining ensures tight tolerances for accurate fuel delivery, while durable seals prevent leaks and maintain system integrity. The injector’s design promotes efficient fuel atomization, which is critical for smooth combustion and reduced emissions. This robust construction supports long service life and dependable operation under normal driving conditions.

Installation & Fitment

Installation is straightforward with this direct-fit injector designed specifically for the Jeep Wrangler JK 3.8L V6 from 2007 through 2011. The included seals simplify the replacement process by ensuring a proper seal without the need for additional parts. No modifications to the fuel system are necessary, making it an ideal choice for DIY mechanics and professional technicians alike. Proper installation will restore your vehicle’s fuel delivery system to factory performance standards.

What's Included

• One Crown Auto Fuel Injector
• Complete set of seals for installation

Ideal For

This fuel injector is ideal for Jeep Wrangler JK owners experiencing issues such as rough idling, misfires, poor fuel economy, or check engine lights related to fuel delivery. It is also suitable for those performing routine maintenance or restoring their vehicle’s fuel system to original condition. Enthusiasts and off-roaders who rely on dependable engine performance will appreciate the quality and reliability of this Crown Auto component.

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.