OMIX Differential Cover Fill Plug

1991–2009 Jeep Wrangler, Grand Cherokee, Liberty, and More

Part #: 16595.95

Overview

The OMIX Differential Cover Fill Plug is a high-quality replacement part designed specifically for Jeep vehicles equipped with Dana 30 front axles. This essential component ensures proper sealing and maintenance access for your front differential, helping to preserve the integrity and performance of your drivetrain. Whether you’re restoring a classic Jeep or maintaining a modern model, this fill plug offers a reliable solution to keep your differential fluid secure and contamination-free.

Built to meet or exceed original equipment specifications, this fill plug is ideal for Jeep enthusiasts who demand durability and precision fitment. It is compatible with a wide range of Jeep models from 1991 through 2009, including popular Wranglers, Grand Cherokees, and Liberty vehicles, making it a versatile choice for many Jeep owners.

Key Features

Designed with quality and longevity in mind, the OMIX Differential Cover Fill Plug offers the following key features:

• Direct replacement for OE part number 4004751, ensuring perfect fit and function
• Constructed from durable steel for long-lasting strength and resistance to wear
• Recessed 3/8-inch ratchet-drive head for easy installation and removal with common tools
• Precision-machined threads for a secure, leak-free seal
• Compatible with Dana 30 front axles found on numerous Jeep models from 1991 to 2009
• OE quality standards for dependable performance and reliability
• Corrosion-resistant finish to withstand harsh off-road and weather conditions

Construction & Design

The OMIX fill plug is crafted from high-grade steel, providing exceptional durability and resistance to the rigors of off-road driving and everyday use. Its recessed 3/8-inch ratchet-drive head design allows for straightforward installation and removal using standard hand tools, minimizing the risk of damage during maintenance. The plug’s threads are engineered to match original equipment specifications, ensuring a tight, leak-proof fit that protects your differential from contaminants and fluid loss.

Attention to detail in manufacturing guarantees that this fill plug maintains the integrity of your Jeep’s front differential cover, supporting optimal drivetrain performance and longevity.

Installation & Fitment

Installation of the OMIX Differential Cover Fill Plug is straightforward and requires no modifications. It is designed to directly replace the original fill plug on Dana 30 front differentials, making it compatible with the following Jeep models and engine configurations:

• 1991–1995 Jeep Wrangler 4.0L Inline 6
• 1993–1998 Jeep Grand Cherokee 4.0L Inline 6, 5.2L V8
• 2005–2009 Jeep Grand Cherokee 3.7L V6, 5.7L Hemi
• 2006–2009 Jeep Grand Cherokee 6.1L SRT8
• 2007–2009 Jeep Wrangler 3.8L V6

Simply remove the old fill plug using a 3/8-inch ratchet or socket, clean the fill hole, and install the OMIX replacement plug. Tighten securely to prevent leaks and ensure proper sealing.

What's Included

• One OMIX Differential Cover Fill Plug (Part #16595.95)

Ideal For

This fill plug is perfect for Jeep owners and off-road enthusiasts who require a dependable, OE-quality replacement part for their Dana 30 front differential. Whether you are performing routine maintenance, restoring a classic Jeep, or upgrading components for enhanced reliability, this fill plug provides peace of mind and long-term durability. It is especially suited for those who drive their Jeeps in demanding conditions and want to maintain optimal drivetrain performance.

OMIX specializes in replacement and restoration parts for Jeep and Willys platforms, covering everything from body and electrical components to suspension and drivetrain hardware. It’s a go-to source for keeping older Jeeps on the road (and on the trail), especially when you need dependable fitment for repairs, rebuilds, or refresh projects.