Billet Aluminum Differential Cover For AAM 11.5"/12" 14 Bolts Rear Axle for 2020-2025 GM and 2019-2024 RAM | SPELAB

---tab Fitment--- ✅ Compatible Axle Type AAM 11.5" AAM 12" 14-Bolt Rear Axle ONLY Bolt Pattern: 14 Bolts ✅ Compatible Vehicles GM Heavy Duty Trucks 2020–2025 Chevrolet Silverado 2500HD / 3500HD 2020–2025 GMC Sierra 2500HD / 3500HD RAM Heavy Duty Trucks 2019–2024 RAM 2500 / 3500 ⚠️ IMPORTANT FITMENT NOTE Only fits vehicles equipped with AAM 11.5" or 12" 14-bolt rear axle ❌ NOT compatible with: AAM 10.5" Dana rear axles Ford 10.25 / 10.5 / 8.8 GM 9.5" or 10-bolt axles Please verify axle type before purchase (check axle tag, build sheet, or OEM differential cover bolt count) ---tab Description--- Upgrade your rear differential protection with the SPELAB Heavy-Duty Differential Cover, engineered specifically for AAM 11.5"/12" 14-bolt rear axles found on GM and RAM heavy-duty trucks. Designed for towing, hauling, off-road, and daily heavy use, this cover offers superior durability, improved heat dissipation, and easier maintenance compared to the factory stamped steel cover. Key Features Heavy-Duty Construction Built from high-strength material to withstand impacts, debris, and harsh off-road conditions. Improved Heat Dissipation Reinforced design helps reduce differential oil temperature during towing and long-distance driving. Direct Bolt-On Design Precision-machined to match OEM 14-bolt pattern – no drilling or modification required. Leak-Free Sealing Machined sealing surface ensures a proper gasket fit and long-term oil retention. Innovative points: 1. The external heat sink design increases the contact area between the differential cover and the surrounding air, enhancing heat dissipation performance. 2. The internal diversion groove design aligns with the direction of liquid flow in the differential gear's rotation, ensuring maximum flow rate for better lubrication. 3. The use of aluminum alloy material significantly improves cooling performance compared to the commonly used iron material. When comparing billet to cast products, billet items are often considered more durable and built for long-lasting performance. 4. An external observation mirror with a floating ball is used to monitor the oil level. Traditional observation mirrors in the market may darken over time, reducing visibility. Therefore, the floating ball allows us to monitor the oil level even if the mirror darkens. ---tab Blog Video--- Video First Purchase: 6.0L Power Stroke with SPELAB Differential Cover: 800+ HP Performance Upgrade, Full-System Modification Tested! Performance Upgrade Installation Guide RAM Series SPELAB Differential Cover Installation Overview｜Installation Process + Real-World Feedback Failure Prevention Installation Guide SPELAB Differential Cover 6.0 POWERSTROKE Installation Process + Real-World Feedback Failure Prevention Installation Guide The Differential Cover Upgrade Every Truck Owner Needs Comparison Video Repair Guide SPELAB Differential Cover User Experience: High Strength + Easy Maintenance Comparison Video Repair Guide Dodge / RAM SPELAB Differential Cover—truck build just got a serious boost Comparison Video Repair Guide × ---tab Shipping--- Fast Shipping Policy: The order will be dispatched within 1-2 business day, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details. Easy Return Policy: Every order comes with a 14-day free return which means you don't have to pay for a return slip. Please click Return Policy for more details.