Crown Auto Front Pinion Flange

2007–2018 Jeep Wrangler JK All, 3.6L V6, 3.8L V6

Part #: 68004070AB

Overview

The Crown Auto Front Pinion Flange is a precision-engineered replacement part designed specifically for Jeep Wrangler JK models from 2007 through 2018 equipped with Dana 30 or Dana 44 front axles. This 24-spline flange serves as a critical connection point between the front driveshaft and the pinion gear, ensuring reliable power transfer and drivetrain integrity. Ideal for Jeep enthusiasts and off-roaders seeking a durable, OEM-quality component, this flange maintains factory fitment and performance standards.

Whether you are performing routine maintenance or repairing a damaged flange, the Crown Auto Front Pinion Flange offers a direct-fit solution that utilizes your existing pinion nut hardware, simplifying installation and reducing downtime. Backed by a 12-month warranty, it provides peace of mind and long-lasting durability for your Jeep’s front axle assembly.

Key Features

Engineered to meet or exceed OEM specifications, this front pinion flange delivers dependable performance and seamless compatibility. Key features include:

• Designed for 24-spline Dana 30 and Dana 44 front axles
• Direct replacement for Jeep Wrangler JK models from 2007 to 2018
• Compatible with 3.6L V6 and 3.8L V6 engine configurations
• Utilizes existing pinion nut hardware—no additional parts required
• Manufactured with high-strength materials for durability under off-road conditions
• Precision machining ensures proper fit and alignment
• Corrosion-resistant finish for extended service life
• 12-month warranty for quality assurance

Construction & Design

The Crown Auto Front Pinion Flange is crafted from premium-grade steel, selected for its strength and resistance to wear. Advanced machining processes guarantee exact spline dimensions and flange geometry, which are critical for maintaining drivetrain balance and minimizing vibration. The corrosion-resistant coating protects the flange from rust and environmental damage, making it well-suited for rugged off-road use and harsh weather conditions.

Its robust construction ensures that it can withstand the torque and stress generated by the Jeep Wrangler’s drivetrain, providing reliable service over extended periods without compromising performance.

Installation & Fitment

This front pinion flange is designed for straightforward installation on Jeep Wrangler JK models equipped with Dana 30 or Dana 44 front axles. It fits all 2007–2018 Jeep Wrangler JK variants, including those with 3.6L V6 and 3.8L V6 engines. Installation requires removal of the existing flange and reuse of the original pinion nut, simplifying the process and eliminating the need for additional hardware.

Professional installation is recommended to ensure proper torque specifications and alignment, but experienced DIY enthusiasts with basic mechanical skills can complete the replacement with standard tools.

What's Included

• One Crown Auto Front Pinion Flange (24-spline)
• 12-month manufacturer warranty documentation

Ideal For

This front pinion flange is ideal for Jeep Wrangler JK owners who require a reliable replacement part for their front axle assembly. It suits off-road enthusiasts, daily drivers, and anyone performing maintenance or repairs on Dana 30 or Dana 44 front axles. Its OEM-quality construction makes it a smart choice for restoring drivetrain integrity and ensuring consistent power delivery to the front wheels.

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.