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Shop / Transmission & Drivetrain / Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 1
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 2
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 3
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 4
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 5
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 6
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 7
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 8
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 9
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 10
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 11
Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB photo 12
SPELAB

Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle for 01-19 GM and 03-18 RAM | SPELAB

MPN: SPOS08833BK

---tab Description--- Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle | SPELAB Function: Protects the differential, seals the differential, stores differential fluid. Innovative points: 1. The external heat…

$199.99
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---tab Description--- Differential Cover For AAM 11.5"/11.8″ 14 Bolts Rear Axle | SPELAB Function: Protects the differential, seals the differential, stores differential fluid. 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. 5. The outside with black wrinkle paint providing rust resistance. Specifications: ---tab Fitment--- Note: The year and model may not guarantee compatibility. Please confirm whether the axle is AAM 11.5″/11.8″ 14 Bolts. The AAM 11.5" and 11.8" differential covers are interchangeable. Year Make Model   Engine 2001-2019 Chevrolet Silverado 2500HD 6.6L Duramax Diesel 2001-2019 Chevrolet Silverado 2500HD 6.0L V8 Gas 2001-2007 Chevrolet Silverado 2500HD 8.1L V8 Gas 2004 Chevrolet Silverado 2500HD 6.6L Duramax Diesel (LLY) 2001-2019 Chevrolet Silverado 3500HD 6.6L Duramax Diesel 2001-2019 Chevrolet Silverado 3500HD 6.0L V8 Gas 2001-2007 Chevrolet Silverado 3500HD 8.1L V8 Gas 2001-2019 GMC Sierra 2500HD 6.6L Duramax Diesel 2001-2019 GMC Sierra 2500HD 6.0L V8 Gas 2001-2007 GMC Sierra 2500HD 8.1L V8 Gas 2001-2019 GMC Sierra 3500HD 6.6L Duramax Diesel 2001-2019 GMC Sierra 3500HD 6.0L V8 Gas 2001-2007 GMC Sierra 3500HD 8.1L V8 Gas 2003-2009 Dodge Ram Pickup 2500 5.7L HEMI V8 2003-2009 Dodge Ram Pickup 2500 5.9L Cummins Diesel 2007-2009 Dodge Ram Pickup 2500 6.7L Cummins Diesel 2003 Dodge Ram Pickup 2500 8.0L V10 2003-2009 Dodge Ram Pickup 3500 5.7L HEMI V8 2004-2006 Dodge Ram Pickup 3500 5.9L Cummins Diesel 2007-2009 Dodge Ram Pickup 3500 6.7L Cummins Diesel 2010-2018 Ram 2500 5.7L HEMI V8 2010-2018 Ram 2500 6.7L Cummins Diesel 2010-2018 Ram 3500 5.7L HEMI V8 2010-2018 Ram 3500 6.7L Cummins Diesel ---tab FAQS--- Q1: What is a differential cover? A1: A differential cover is a protective cover for the differential housing, helping to shield the gears and differential fluid from debris and damage. Q2: Why should I upgrade my differential cover? A2: Upgrading to a high-performance differential cover can improve cooling, increase oil capacity, and enhance durability, leading to better overall performance and longevity of the differential. Q3: How does a finned differential cover improve cooling? A3: The fins increase the surface area, which helps dissipate heat more efficiently, reducing the operating temperature of the differential. Q4: Is a billet aluminum differential cover better than a cast aluminum one? A4: Yes, billet aluminum covers are typically stronger and more durable than cast aluminum covers due to their superior material properties and manufacturing process. Q5: How do I know if a differential cover will fit my vehicle? A5: Check the product specifications and fitment guide provided by the manufacturer to ensure compatibility with your vehicle's make, model, and year. Q6: What tools are needed to install a differential cover? A6: Common tools include a socket set, torque wrench, gasket scraper, and differential fluid. Some installations may require additional specific tools. Q7: How often should I change the differential fluid? A7: It's recommended to change the differential fluid every 30,000 to 60,000 miles, but always refer to your vehicle's owner manual for specific intervals. Q8: Can I install a differential cover myself, or do I need a professional? A8: Many differential covers can be installed by a knowledgeable DIYer with basic mechanical skills and tools. However, if you're unsure, it's best to seek professional help. Q9: Will an upgraded differential cover void my vehicle's warranty? A9: It depends on the manufacturer and the terms of your warranty. Check with your vehicle's manufacturer or dealer for specific warranty information. Q10: What are the benefits of increased oil capacity in a differential cover? A10: Increased oil capacity improves lubrication and cooling, which can enhance the differential's performance and longevity, especially under heavy use or high-stress conditions. ---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 ×

Product conditions

Professional installation is recommended.

Return eligibility
Returnable within 30 days of confirmed delivery, in original condition, with an approved RMA
Return window
30 days from confirmed delivery
Restocking fee
No restocking fee
Return shipping
Customer pays return shipping on voluntary returns
Made to order
No
Backorder status
Not backordered
Cancellation
Cancellation is only possible before the supplier order is submitted
Warranty provider
Warranty Information Pending
Warranty duration
Pending verification
Compatibility
Listed for specific vehicle configurations
Legal use
Street legal
Processing estimate
3–10 business days supplier processing
Shipping
Shipping calculated at checkout
Signature
No signature requirement
Supplier
SPELAB

Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.