Mopar 5101979AB Annulus Gear for 07-26 Jeep Wrangler JK, JL, & Gladiator JT

Mopar Annulus Gear (5101979AB) is a genuine OEM drivetrain component engineered to restore smooth, reliable power transfer in your Jeep's 4x4 system. Designed to meet Mopar's factory specifications, this annulus gear delivers precise tooth geometry and dependable fitment, helping ensure proper engagement and consistent performance under load.

Ideal for repairs where worn or damaged internal gearing can cause noise, vibration, or driveline issues, this Mopar replacement part supports long-term durability and helps maintain original vehicle operation. It is sold individually, making it easy to order exactly what you need for your service or rebuild.

This annulus gear is listed for Jeep Wrangler applications spanning model years 2012 through 2026 (fitment varies by trim, engine, and transmission), so confirm compatibility with your specific configuration before purchase. Choose Mopar OEM parts to keep your Jeep operating with factory-correct components and trusted quality.

Vehicle Fitment:

• 2026 Jeep Gladiator Mojave, Mojave X, Rubicon, Rubicon X, Sport, Sport S, Texas Trail, Willys 3.6L V6 - Gas
• 2026 Jeep Wrangler Rubicon, Rubicon X, Sahara, Sport, Sport S, Willys, Willys '41 2.0L L4 - Gas, 3.6L V6 - Gas
• 2025 Jeep Gladiator High Tide, Mojave, Mojave X, NightHawk, Rubicon, Rubicon X, Sport, Sport S, Texas Trail, Willys 3.6L V6 - Gas
• 2025 Jeep Wrangler High Altitude 4xe, Rubicon, Rubicon 4xe, Rubicon X, Rubicon X 4xe, Sahara, Sahara 4xe, Sport, Sport S, Sport S 4xe, Willys, Willys 4xe 2.0L L4 - Electric/Gas, 2.0L L4 - Gas, 3.6L V6 - Gas
• 2024 Jeep Gladiator Mojave, Mojave X, Rubicon, Rubicon X, Sport, Sport S, Willys 3.6L V6 - Gas
• 2024 Jeep Wrangler High Altitude 4xe, Rubicon, Rubicon 4xe, Rubicon X, Rubicon X 4xe, Sahara, Sahara 4xe, Sport, Sport S, Sport S 4xe, Willys, Willys 4xe 2.0L L4 - Electric/Gas, 2.0L L4 - Gas, 3.6L V6 - Gas
• 2023 Jeep Gladiator Freedom, High Altitude, Mojave, Overland, Rubicon, Sport, Sport S, Texas Trail, Willys, Willys Sport 3.0L V6 - Diesel, 3.6L V6 - Gas
• 2023 Jeep Wrangler Freedom, High Altitude, High Altitude 4xe, Rubicon, Rubicon 4xe, Sahara, Sahara 4xe, Sahara Altitude, Sport, Sport Altitude, Sport S, Willys, Willys 4xe, Willys Sport 2.0L L4 - Electric/Gas, 2.0L L4 - Gas, 3.0L V6 - Diesel, 3.6L V6 - Electric/Gas, 3.6L V6 - Gas
• 2022 Jeep Gladiator Altitude, High Altitude, Mojave, Overland, Rubicon, Sport, Sport S, Texas Trail, Willys, Willys Sport 3.0L V6 - Diesel, 3.6L V6 - Gas
• 2022 Jeep Wrangler Rubicon, Sport, Sport S, Unlimited High Altitude, Unlimited High Altitude 4xe, Unlimited Rubicon, Unlimited Rubicon 4xe, Unlimited Sahara, Unlimited Sahara 4xe, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport, Willys, Willys Sport 2.0L L4 - Electric/Gas, 2.0L L4 - Gas, 3.0L V6 - Diesel, 3.6L V6 - Electric/Gas, 3.6L V6 - Gas
• 2021 Jeep Gladiator 80th Anniversary, High Altitude, Mojave, Overland, Rubicon, Sport, Sport S, Texas Trail, Willys, Willys Sport 3.0L V6 - Diesel, 3.6L V6 - Gas
• 2021 Jeep Wrangler 80th Anniversary, Freedom, Islander, Rubicon, Sport, Sport S, Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited High Altitude 4xe, Unlimited Islander, Unlimited Rubicon, Unlimited Rubicon 4xe, Unlimited Sahara, Unlimited Sahara 4xe, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport, Willys, Willys Sport 2.0L L4 - Electric/Gas, 2.0L L4 - Gas, 3.0L V6 - Diesel, 3.6L V6 - Electric/Gas, 3.6L V6 - Gas
• 2020 Jeep Gladiator Altitude, Launch Edition, Mojave, Overland, Rubicon, Sport, Sport S 3.6L V6 - Gas
• 2020 Jeep Wrangler Rubicon, Sport, Sport S, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S 2.0L L4 - Electric/Gas, 2.0L L4 - Gas, 3.0L V6 - Diesel, 3.6L V6 - Electric/Gas, 3.6L V6 - Gas
• 2019 Jeep Wrangler Rubicon, Sport, Sport S, Unlimited Moab, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S 2.0L L4 - Electric/Gas, 3.6L V6 - Gas
• 2018 Jeep Wrangler Rubicon, Sport, Sport S, Unlimited Moab, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S 2.0L L4 - Electric/Gas, 3.6L V6 - Gas
• 2018 Jeep Wrangler JK Rubicon, Sahara, Sport, Sport S, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S 3.6L V6 - Gas
• 2017 Jeep Wrangler Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport 3.6L V6 - Gas
• 2016 Jeep Wrangler 75th Anniversary, Rubicon, Sahara, Sport, Sport S, Unlimited 75th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S 3.6L V6 - Gas
• 2015 Jeep Wrangler Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport 3.6L V6 - Gas
• 2014 Jeep Wrangler Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport 3.6L V6 - Gas
• 2013 Jeep Wrangler Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport 3.6L V6 - Gas
• 2012 Jeep Wrangler Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport 3.6L V6 - Gas

Installation Notes

Installation Difficulty:

Level 3Advanced

Installation Time: 3-4 hours

Parts Included

• Annulus Gear

Warranty

12-Month/12,000-Mile Warranty.