2019-2026 Cummins/Duramax Ram Air Differential Cover
Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200 hp 60mph sustained tests.
Patented Forced-Air Cooling Design
Patented Forced-Air Cooling Design
- Ram-Air scoops force air through heat radiation fins
- FlowThru Fins® transfer heat through the cover to the exterior
- High velocity air overcomes "dear air zone" behind differential
Perfect Fluid Dynamics
- Reduces fluid aeration
- Ring gear raceway guides fluid to ring & pinion interface
- Fluid guided to axle tubes and bearings
Easier Maintenance
- View fluid level through sight glass
- Angled fill port
- Magnetic drain plug
- Retains stock fluid quantity
- Increased distance between service intervals
Thoughtfully Engineered
- Temp sensor port
- O-ring seal, no messy RTV
- Maintains stock ground clearance
- Ram-Air scoops break away if hit
Also fits OEM locker style differentials. Does not fit Ram trucks with airbag suspension alone.
Please note that actual products may differ from images shown on our website. While we strive for accuracy in product listings, manufacturers may make changes to design, contents, color, or packaging without notice. Product images are for illustrative purposes only and may not represent the exact item you receive.
By purchasing, you acknowledge and accept that variations may occur and release OCDiesel from any liability related to product appearance differences.
Order Processing Time:
Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
Shipping Methods:
Standard Shipping (3-7 business days - location dependent)
Express Shipping (1-2 business days- location dependent)
Packaging:
All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your OCDiesel account.
USA Shipping:
We ship to the USA! (Except California) Please note that USA shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
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Most items are eligible for return within 30 days of shipping, provided they are unused, in original manufacturer packaging, and in resalable condition.
All returns & cancellations are subject to restocking and cancellation fees.
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