Differential Cover For 2015-2026 F150 Ford 8.8″ 12 Bolts Rear Axle | SPELAB

Differential Cover For 2015-2026 F150 Ford 8.8″ 12 Bolts Rear Axle | SPELAB

Function

• Precision-engineered for Ford 8.8″ 12-bolt housing

• Durable construction for enhanced protection

• Improved sealing surface to help prevent leaks

• Designed to maintain proper clearance with factory components

• Ideal replacement or upgrade over factory differential cover

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.

This rear differential cover is STRICTLY designed for specific applications only.To avoid incorrect orders, please carefully review the fitment requirements below.

Compatible Vehicles

• 2015–2026 Ford F-150
• Rear axle only
• Ford 8.8″ rear axle housing
• 12-Bolt differential housing

❌ Not Compatible With

• Ford 8.8″ 10-Bolt rear axles
• Ford 9.75 / 10.25 / 10.5 rear axles
• Front differentials
• Non–F-150 vehicles
• Vehicles with aftermarket or swapped rear axles

⚠️ IMPORTANT Notes

• Some Ford F-150 trucks are equipped with 10-bolt 8.8″ housings
• You must physically count the bolts on your factory rear differential cover before ordering

👉 12 bolts = Compatible
👉 10 bolts = NOT compatible.Please click the link below to make a purchase:

https://www.spelabautoparts.com/products/spelab-reinforced-differential-cover-for-ford-8-8-10-bolt
If you are unsure about your axle configuration, contact SPELAB support with a photo of your rear differential before purchasing — we are happy to help confirm fitment.

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Q1: Will this differential cover fit my 2015–2026 Ford F-150?

This differential cover is designed for select 2015–2026 Ford F-150 models equipped with a Ford 8.8-inch, 12-bolt rear differential. However, model year alone does not guarantee fitment. Always verify your rear axle type and bolt count before ordering.

Q2: How do I know if my F-150 has an 8.8-inch or 9.75-inch rear differential?

Check your factory rear differential housing and count the cover mounting bolts. This cover is designed specifically for the Ford 8.8-inch, 12-bolt rear axle. The Ford 9.75-inch rear axle uses a different cover shape and is not compatible, even if it also has 12 bolts. Important: Bolt count alone is not enough. Confirm the axle size and housing shape before purchasing.

Q3: Will this cover fit a Ford 8.8-inch 10-bolt rear axle?

No. This product is designed for the Ford 8.8-inch, 12-bolt rear axle only. It will not fit an 8.8-inch 10-bolt housing. If you need a Ford 8.8-inch, 10-bolt rear axle, please click the link below to purchase it：

https://www.spelabautoparts.com/products/spelab-reinforced-differential-cover-for-ford-8-8-10-bolt

Q4: What are the benefits of upgrading to the SPELAB aluminum differential cover?

The SPELAB differential cover features an aluminum construction, external cooling fins, and an internal oil-flow design. These features are designed to improve heat dissipation and support differential lubrication while providing a durable protective enclosure for the rear differential.
It is a practical upgrade for F-150 owners looking for improved thermal management and a more robust alternative to the factory cover.

Q5: Does this differential cover help reduce rear differential temperatures?

The external cooling fins increase the surface area exposed to airflow, helping dissipate heat from the differential housing. Actual temperature reduction depends on driving conditions, vehicle load, ambient temperature, gear oil, and axle setup. Results may vary.

Q6: Does the SPELAB differential cover have a built-in oil level indicator?

Yes. The cover features an external sight-glass design with a floating indicator to help monitor differential oil level visually. Always follow the vehicle manufacturer's recommended procedure for verifying the correct gear oil level.

Q7: Do I need to replace the differential gear oil when installing this cover?

Yes, differential gear oil must be drained to remove the factory cover. Refill the differential with the lubricant specified for your vehicle and axle configuration. Follow the manufacturer's recommended filling procedure and oil level specifications.

Q8: Can I install this differential cover myself?

Installation may be suitable for experienced DIY enthusiasts with the proper tools and mechanical knowledge. The process generally involves draining the gear oil, removing the factory cover, cleaning the sealing surfaces, installing the replacement cover with the appropriate sealing material, and refilling the differential.

Q9: What should I check before placing my order?

Before purchasing, verify all of the following:
Vehicle: Ford F-150, 2015–2026 model years
Axle position: Rear differential only
Differential size: Ford 8.8-inch
Mounting pattern: 12-bolt housing
Housing shape and clearance: Must match the product design
Still unsure about your axle? Contact SPELAB support with a clear photo of your factory rear differential cover and mounting bolt pattern before ordering.