Yukon YGGM11.5-488 Ring & Pinion Gear Set for 11.5 Axle 4.88 Ratio | 2001-2015 GM Silverado/Sierra 2500HD/3500HD Duramax & 03-16 Dodge Ram 2500/3500

Features:

• Fits 2001–2015 GM 2500HD and 3500HD trucks
• Fits 2003–2016 Dodge RAM 2500 and 3500
• Designed for AAM 11.5-inch rear differentials
• 4.88 gear ratio boosts low-end torque
• Ideal for larger tires and off-road use
• 30-spline pinion shaft for added strength
• 12-bolt ring gear with 11.50-inch diameter
• Advanced heat treatment for long gear life
• Made to handle high horsepower applications
• Precision machined for smooth, quiet operation
• Great choice for towing or heavy hauling setups
• Covered by Yukon’s lifetime Y.E.S. warranty plan

Give Your Truck The Gearing It Deserves

If your truck has bigger tires, more power, or just needs stronger pulling ability, the Yukon YGGM11.5-488 Ring and Pinion Gear Set is exactly what you’re looking for. The 4.88 ratio delivers instant low-end torque, helping you get moving faster when towing heavy loads or climbing steep grades. You’ll notice quicker throttle response and smoother shifts, especially when running oversized wheels or towing trailers that push your drivetrain to its limits. Yukon gears are built for the long haul, using premium materials and precise machining to ensure strength and quiet operation. Whether you’re towing, hauling, or off-roading, this gear set brings your powerband back where it should be. It’s a must-have upgrade for diesel owners and anyone demanding more usable torque from their HD truck. With Yukon’s lifetime Y.E.S. Plan backing it, you can install with confidence knowing you’re covered for the long run.

Engineered For Strength Precision And Dependable Performance

The Yukon YGGM11.5-488 Ring and Pinion Gear Set is designed for 2001–2015 GM 2500HD/3500HD and 2003–2016 Dodge RAM 2500/3500 trucks equipped with the AAM 11.5 rear differential. With a 4.88 ratio, it’s built for serious power transfer, improving drivability and performance for trucks running larger tires or heavier loads. Each set features a 30-spline pinion shaft and a 12-bolt, 11.50-inch ring gear designed to withstand high torque output from modern diesel engines. Yukon’s advanced heat-treating process ensures exceptional surface hardness and structural integrity, resulting in reduced wear and quieter operation under load. The gears are precisely machined for proper fitment and optimal tooth contact, giving you long-lasting reliability on the road or trail. This ratio is ideal for trucks that need improved acceleration and pulling power without compromising durability. Backed by Yukon’s proven engineering and lifetime Y.E.S. Plan, this gear set is built to handle whatever you throw at it.

Fitment:

• Chevrolet Silverado 2500 HD (2001-2015)
• Chevrolet Silverado 3500 Classic (2007)
• Chevrolet Silverado 2500 (2001-2004)
• Chevrolet Silverado 3500 (2001-2006)
• Chevrolet Silverado 3500 HD (2007-2015)
• Dodge Ram 3500 (2003-2010)
• Dodge Ram 2500 Van (2003)
• Dodge Ram 2500 (2003-2010)
• GMC Sierra 3500 (2001-2006)
• GMC Sierra 2500 HD (2001-2015)
• GMC Sierra 3500 Classic (2007)
• GMC Sierra 3500 HD (2007-2015)
• GMC Sierra 2500 HD Classic (2007)
• GMC Sierra 2500 (2001-2004)
• Ram 3500 (2011-2016)
• Ram 2500 (2011-2014)

Notes:

• Fits 2001–2015 GM 2500HD/3500HD with 11.5" rear axle
• Fits 2003–2016 Dodge RAM 2500/3500 with 11.5" rear axle
• Designed for trucks running 4.88 gear ratios
• Ideal for oversized tires and heavy towing applications
• Compatible with 30-spline pinion shafts and 12-bolt ring gear
• Ring gear diameter measures 11.50 inches
• Precision machined for quiet and reliable operation
• Advanced heat-treated for increased strength and durability
• Recommended for high horsepower and torque builds
• Covered under Yukon’s lifetime Y.E.S. warranty plan