SKU: YG C9.25B-390B | UPC: 883584246398
USA Standard Ring & Pinion Gear Set For 11+ Chrysler 9.25in in a 3.90 Ratio
Yukon Gear & Axle ring and pinion gear set fits 2011-2019 Ram 1500 models with 9.25-inch rear axle. This 3.90 ratio setup handles added horsepower and larger tires with smooth operation. Engineered for racing and high torque, it cuts friction and heat for reliable performance.
Key Features
- Advanced Design: State-of-the-art engineering and testing from two in-house labs ensure precise specifications.
- Surface Finish: Gear tooth finish lowers friction and heat in long races and high torque.
- Material Quality: High grade steel in ring and pinion for strength and durability.
- Fitment: Matches OEM specs for direct replacement in 9.25-inch Chrysler axles.
- Ratio Options: Wide selection available to match your build.
- Protection Plans: 1-year warranty plus optional Y.E.S. Plan for lifetime coverage.
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| Type | Ring & Pinion Gear Set |
| Compatibility | 2011-2019 Ram 1500 9.25" Rear Axle |
| Ratio | 3.90 |
| MPN | YG C9.25B-390B |
| Axle Size | 9.25 inches |
| Weight | 21.8 lbs |
| Shipping Dimensions | 20 x 20 x 6 inches |
| Country of Origin | USA |
| Warranty | 1 Year against manufacturing defects. Y.E.S. Plan available |
Whats Included
- Ring Gear
- Pinion Gear
Product Notes
- Special order item, ships within 1-2 business days
- Professional installation recommended
- Complete gear install kit sold separately
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2011-2019 | Ram | 1500 | Big Horn |
| 2012-2018 | Ram | 1500 | Express |
| 2013-2019 | Ram | 1500 | HFE |
| 2011-2019 | Ram | 1500 | Laramie |
| 2014-2015 | Ram | 1500 | Laramie Limited |
| 2011-2019 | Ram | 1500 | Laramie Longhorn |
| 2015-2019 | Ram | 1500 | Limited |
| 2014-2019 | Ram | 1500 | Lone Star |
| 2011-2016 | Ram | 1500 | Outdoorsman |
| 2013 | Ram | 1500 | R/T |
| 2015-2019 | Ram | 1500 | Rebel |
| 2011-2018 | Ram | 1500 | SLT |
| 2014-2018 | Ram | 1500 | Special Service |
| 2011-2018 | Ram | 1500 | Sport |
| 2011-2012 | Ram | 1500 | ST |
| 2011-2019 | Ram | 1500 | Tradesman |
| 2012 | Ram | 1500 | Tradesman HD |
Why Choose Yukon?
- Precise manufacturing meets exact specs for quiet operation
- Reduces gear whine and wear under heavy loads
- Supports big power upgrades and tire sizes
- Backed by extensive testing for real-world demands
Frequently Asked Questions
- Q: What vehicles does YG C9.25B-390B fit?
- A: 2011-2019 Ram 1500 with 9.25-inch rear axle across listed trims.
- Q: What gear ratio is this set?
- A: 3.90 ratio for improved acceleration with larger tires.
- Q: What warranty covers this gear set?
- A: 1 year against defects. upgrade to Y.E.S. Plan for lifetime protection.
Shipping & Handling
- Method: UPS Ground / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed with protective padding
Differentials & Components
Differentials and components at Black Ops Auto Works include diff braces, diff covers, rebuild and overhaul kits, differential bushings and mounts, limited-slip differentials, yokes, and final drive gears built for street, towing, off-road, and racing applications. Black Ops Auto Works carries 1,332 drivetrain SKUs from Yukon Gear and Axle, ARB, OS Giken, SuperPro, and Per4mance Development, spanning Hellcat and Trackhawk platforms, trucks, Jeep Wrangler, and sport compacts. What This Collection Covers This collection combines fifteen related differential and drivetrain categories, including diff braces, diff covers and gaskets, rebuild and overhaul kits, install kits, seal kits, bushings, mounts, housings, dropouts, spider gears, yokes, complete differentials, and final drive gears. Product Types in This Collection Shoppers will find billet differential braces for high-horsepower RWD platforms, nodular iron and aluminum diff covers, master overhaul kits, differential-to-cradle ...
View Differentials & Components Products
Drivetrain
Drivetrain parts for high-horsepower Mopar, truck, Jeep, and import platforms are stocked at Black Ops Auto Works. Shop differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, and driveline hardware for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and turbocharged import platforms. Every drivetrain part is filterable by vehicle platform, drivetrain layout, transmission type, and power level so the correct part ships the first time. Black Ops Auto Works carries 4,765 drivetrain SKUs across differentials, axles, clutches, and transmission hardware. What This Category Covers The drivetrain transfers power from the engine to the wheels and includes the transmission, clutch, driveshafts, axles, differentials, ring and pinion gears, wheel hubs, wheel bearings, U-joints, shifters, mounts, and bushings. Upgrading these components improves power delivery, durability, and reliability under incr...
View Drivetrain Products
Final Drive Gears
Final Drive Gears parts and accessories Final drive gears, ring and pinion sets, and differential ratio upgrades for Ford, GM, Jeep, Dodge, Ram, Toyota, truck, muscle car, off road, drag racing, and restoration applications are stocked at Black Ops Auto Works. Shop Ford 8.8 and 9 inch, GM 10 bolt and 14 bolt, Dana 44 and Dana 60, Chrysler, Toyota, and IFS gear sets in popular street, towing, off road, and racing ratios. Every product is filterable by the relevant shopping criteria so the correct item ships the first time. Black Ops Auto Works carries 223 Final Drive Gears SKUs across ring and pinion, axle family, gear ratio, spline, bearing, and installation component categories. What This Category Covers A final drive gear set changes the ratio between transmission output and wheel speed. It must match the exact differential or axle family, rotation direction, ring gear size, pinion spline, carrier break where applicable, and intended tire and transmission combination. Ring and...
View Final Drive Gears Products
Yukon Gear & Axle
Yukon Gear and Axle drivetrain parts are stocked at Black Ops Auto Works for GM, Ford, Chrysler, Ram, and Jeep platforms. Shop ring and pinion sets, positraction and locker units, axle overhaul kits, differential covers, driveshafts, and manual transmission rebuild components for Dana 60/61, GM 8.2/8.5/8.6/9.5, Ford 8.8/9/10.25/10.5, and Chrysler 8.25/9.25 inch axles. Yukon parts are proven in extreme-duty use, including King of the Hammers and Moab rock crawling events, and every part here is filterable by axle size, gear ratio, and spline count. Black Ops Auto Works carries 1122 Yukon Gear and Axle SKUs across ring and pinion, differential, and axle rebuild categories. What This Brand Covers Yukon Gear and Axle builds ring and pinion sets, differential carriers, positraction and locking differentials, axle shafts, bearing and seal kits, driveshafts, and manual transmission rebuild components for domestic trucks, SUVs, and Jeeps. The brand is best known for supporting extreme-d...
View Yukon Gear & Axle Products


