Crown Auto Lower Engine Gasket Set

2011–2018 Jeep Wrangler / Grand Cherokee 3.6L V6 Pentastar Engine

Part #: 68078554AD

Overview

The Crown Auto Lower Engine Gasket Set is a direct replacement gasket kit designed specifically for Jeep Wrangler and Grand Cherokee models equipped with the 3.6L Pentastar V6 engine, covering model years 2011 through 2018. This comprehensive gasket set addresses the lower engine sealing components, ensuring a reliable and leak-free engine operation. Ideal for mechanics, Jeep enthusiasts, and DIYers looking to maintain or restore engine integrity, this gasket set offers a cost-effective solution to prevent oil leaks and maintain optimal engine performance.

Manufactured to meet or exceed OEM specifications, the Crown Auto gasket set provides a dependable seal that withstands the rigors of daily driving and off-road conditions. Backed by a 12-month warranty, it offers peace of mind and long-lasting durability for your Jeep’s engine maintenance needs.

Key Features

This lower engine gasket set is engineered for precision fitment and durability. Key features include:

• Complete lower engine gasket set tailored for 3.6L Pentastar V6 engines
• Direct replacement for factory gaskets, ensuring OEM-level fit and function
• High-quality materials resistant to heat, oil, and chemical degradation
• Designed to prevent oil leaks and maintain engine sealing integrity
• Compatible with 2011–2015 Jeep Grand Cherokee and 2012–2018 Jeep Wrangler JK models
• Includes all necessary gaskets for lower engine assembly
• Manufactured under strict quality control standards for consistent performance
• 12-month warranty for added customer assurance

Construction & Design

The Crown Auto Lower Engine Gasket Set is crafted from premium gasket materials engineered to withstand the demanding environment of the engine’s lower section. These materials provide excellent resistance to high temperatures, oil exposure, and mechanical stress. Each gasket is precision-cut to match the exact contours of the engine components, ensuring a tight seal that prevents leaks and maintains optimal engine pressure.

The design focuses on durability and longevity, using advanced composites and elastomers that maintain flexibility and sealing properties over time. This ensures reliable performance even under the thermal cycling and vibration typical of Jeep’s rugged use cases.

Installation & Fitment

Installation of the Crown Auto Lower Engine Gasket Set is straightforward for experienced mechanics and knowledgeable DIY enthusiasts. The set is engineered as a direct replacement, requiring no modifications to the engine block or components. Proper cleaning of mating surfaces and adherence to torque specifications during installation are essential to achieve the best sealing results.

This gasket set fits the following Jeep models equipped with the 3.6L Pentastar V6 engine:

• 2018 Jeep Wrangler JK 3.6L V6
• 2012–2017 Jeep Wrangler 3.6L V6
• 2011–2015 Jeep Grand Cherokee 3.6L V6

What's Included

• Lower engine gasket set components tailored for 3.6L Pentastar engines
• All necessary seals and gaskets for lower engine assembly replacement
• Installation instructions (where applicable)

Ideal For

This gasket set is ideal for Jeep owners and automotive professionals performing engine maintenance or repairs on 3.6L Pentastar V6 engines. It is especially suited for those addressing oil leaks, gasket wear, or during engine rebuilds. Whether restoring a daily driver or preparing a Jeep for off-road adventures, this gasket set ensures reliable sealing and engine longevity.

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.