OMIX Piston Ring Set

2007–2018 Jeep Wrangler / 2005–2010 Jeep Grand Cherokee 3.8L Standard Bore

Part #: 17430.56

Overview

The OMIX Piston Ring Set is engineered specifically for Jeep 3.8L engines with a standard bore, covering the 2007 to 2018 Jeep Wrangler and 2005 to 2010 Jeep Grand Cherokee models. This high-quality piston ring set is designed to restore your engine’s compression and reduce oil consumption, making it an essential component for rebuilding or repairing worn engines. Whether you’re performing routine maintenance or addressing performance issues, this piston ring set ensures a precise fit and reliable sealing to help your Jeep run smoothly and efficiently.

Built to meet or exceed OEM specifications, the OMIX piston rings provide a direct replacement solution that simplifies installation and guarantees long-lasting durability. Backed by a limited 5-year warranty, this set offers peace of mind and helps maintain your engine’s power and efficiency over time.

Key Features

Designed with quality and performance in mind, the OMIX Piston Ring Set offers the following key features:

• Precision-engineered for 3.8L standard bore engines in Jeep Wrangler (2007–2018) and Grand Cherokee (2005–2010)
• Restores optimal compression for improved engine power and efficiency
• Reduces oil consumption by providing a tight, reliable seal
• Manufactured to meet or exceed original equipment specifications
• Direct OE replacement fitment ensures hassle-free installation
• Durable materials designed to withstand high temperatures and engine stress
• Helps extend engine life by preventing blow-by and oil leakage
• Backed by a limited 5-year warranty for added confidence

Construction & Design

The OMIX piston rings are crafted from premium-grade materials selected for their strength, wear resistance, and heat tolerance. Each ring is precision machined to exact tolerances, ensuring a perfect fit within the cylinder bore. This meticulous engineering minimizes friction and wear, contributing to improved engine efficiency and longevity.

The set typically includes compression rings and oil control rings designed to work in harmony, sealing combustion gases while regulating oil film on the cylinder walls. This balanced design reduces oil consumption and prevents harmful blow-by gases from entering the crankcase, maintaining cleaner engine internals and better overall performance.

Installation & Fitment

The OMIX Piston Ring Set is a direct replacement for the factory piston rings on compatible 3.8L Jeep engines, requiring no modifications for installation. It is ideal for engine rebuilds or repairs where piston rings have worn or failed. Proper installation involves removing the cylinder head and pistons, then carefully fitting the new rings onto the pistons before reassembly. For best results, professional installation or adherence to detailed service manuals is recommended to ensure correct ring gap and orientation.

This set fits the following vehicles:

• Jeep Wrangler 2007–2018 with 3.8L engine (standard bore)
• Jeep Grand Cherokee 2005–2010 with 3.8L engine (standard bore)

What's Included

• Complete piston ring set for 3.8L standard bore engine
• Compression rings
• Oil control rings
• Installation instructions (where applicable)

Ideal For

This piston ring set is ideal for Jeep owners and mechanics performing engine rebuilds or repairs on 3.8L engines in the specified Wrangler and Grand Cherokee models. It is especially suited for vehicles experiencing reduced compression, increased oil consumption, or signs of piston ring wear. Whether restoring a high-mileage engine or upgrading worn components, this set provides a reliable and durable solution to maintain engine performance and longevity.

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.