Differential Cover

What differential covers do SPELAB have?

No.	Axle Type	Bolt Count	Fitment	Suitable Vehicles
1	Front Axle	12 Bolts	AAM 9.25" Front Axle	Suitable for vehicles with AAM 9.25" Front Axle
2	Rear Axle	14 Bolts	AAM 11.5"/11.8" Rear Axle	01-19 GM, 03-18 RAM
3	Rear Axle	12 Bolts	Chrysler 9.25" Rear Axle	Chrysler Vehicles with 9.25" Rear Axle
4	Front Axle	10 Bolts	Dana 30 Front Axle	Suitable for vehicles with Dana 30 Front Axle
5	Rear Axle	10 Bolts	Dana 35 Rear Axle	Suitable for vehicles with Dana 35 Rear Axle
6	Front Axle	10 Bolts	Dana 44 AdvanTEK M210 Front Axle	Suitable for Dana 44 AdvanTEK M210 Front Axle
7	Rear Axle	10 Bolts	Dana 44 AdvanTEK M220 Rear Axle	Suitable for Dana 44 AdvanTEK M220 Rear Axle
8	Rear Axle	10 Bolts	Dana 44 Rear Axle	Suitable for vehicles with Dana 44 Rear Axle
9	Front/Rear Axle	10 Bolts	Dana 50/60/70 Front/Rear Axle	Suitable for Dana 50/60/70 Front/Rear Axle
10	Rear Axle	14 Bolts	Dana M275 10.8" Rear Axle (Ford F250/F350 2017+)	2017+ Ford F250/F350 Super Duty (Dana M275)
11	Rear Axle	10 Bolts	Ford 8.8" Rear Axle	Ford vehicles with 8.8" Rear Axle
12	Rear Axle	12 Bolts	Ford 9.75" Rear Axle	1999-2023 Ford F150 (9.75" Rear Axle)
13	Rear Axle	12 Bolts	Ford 10.25"/10.5" Rear Axle	1986-2023 Ford F250/F350 (10.25"/10.5" Rear Axle)
14	Rear Axle	10 Bolts	GM 8.5"/8.6" Rear Axle	GM Vehicles with 8.5"/8.6" Rear Axle
15	Rear Axle	14 Bolts	GM 10.5" Rear Axle	GM Vehicles with 10.5" Rear Axle

Before purchasing a differential cover, because they have different front and rear axles and different numbers of bolt holes for a perfect fit.

SPELAB Differential Cover Innovative Features:

• Improved Cooling: Special external heat sink design enhances heat dissipation, keeping the differential cool.
• Efficient Lubrication: Internal diversion groove optimizes fluid flow for maximum lubrication.
• Durability & Cooling: Made from Billet Aluminum alloy for better cooling, outperforming iron. Billet Aluminum products are known for longevity.
• Clear Oil Monitoring: External mirror with floating ball for reliable oil level observation, resistant to blackening for better visibility.

Function of Aftermarket Differential Covers

A differential cover is essential for safeguarding your vehicle's differential gears and fluid from debris, ensuring smooth operation. Upgrades diff covers enhance durability and cooling. Regular maintenance is key.

Invest in quality differential covers for better performance and reliability, especially in tough conditions.

Upgrade with SPELAB for enhanced cooling, lubrication, and durability. Explore our range of differential covers, including front diff covers and rear differential covers, to suit your vehicle's needs.

How do I pick a differential cover?

1. Key factors in selecting differential covers

Compatibility

• Confirm the axle model: Choose a compatible differential cover according to the differential and axle type of your vehicle (such as Dana, AAM, Ford, GM, etc.). For example, axle models such as Dana 44, Ford 9.75" or GM 8.5".
• Front and rear axle differences: The front and rear axle differential covers are usually different, and need to be confirmed according to the specific axle.
• Number of bolts: Check the number of bolts on your differential cover (such as 10, 12 or 14 bolts) to ensure that it matches the selected cover.

2. Material

• Cast Aluminum
• Cast Iron
• Steel
• Composite Materials

3. Usage

• Daily driving: The original differential cover is usually sufficient, and you can choose an OEM or original differential cover.
  
• Off-road driving: You need to choose a reinforced differential cover, such as a thick cast iron or aluminum differential cover, to increase impact resistance.
  
• Towing and heavy loads: It is recommended to choose an aluminum differential cover with good heat dissipation and high strength to avoid differential damage caused by overheating.
  

4. Heat dissipation function

Some high-end differential covers are equipped with cooling fins to improve heat dissipation efficiency, suitable for heavy loads or long-term driving.

5. Oil capacity

• Increasing the capacity of the differential oil can help reduce oil temperature and reduce internal wear of the differential.
• Some differential cover designs can increase the oil capacity (Extended Capacity) for high-performance purposes.

6. Brand and quality

• Premium brands usually provide higher manufacturing precision and durability, such as SPELAB.
• Make sure the selected differential cover is quality tested and performance verified.

7. Additional features

• Magnetic drain bolt: Helps remove metal debris and protects the inside of the differential.
• Sight glass or dipstick: Convenient to check the oil level.
• Reinforced structure: Ribbed structures or thick-walled designs provide additional protection.

SPELAB Shopping Tips

Use Case	Recommended Material	Features	Applicable Vehicles
Daily Driving	Steel or Cast Iron	Durable, cost-effective	Passenger cars, standard SUVs, trucks
Off-Road Driving	Cast Iron or Cast Aluminum	Impact-resistant, leak-proof, reinforced design	Off-road vehicles, modified Jeeps, pickups
Towing/Heavy Loads	Cast Aluminum	Excellent heat dissipation, increased oil capacity, lightweight	Heavy-duty trucks, towing vehicles
High-Performance Racing/Off-Road	Cast Aluminum	Cooling fins, sight glass, magnetic drain plug	High-performance modified vehicles, racing cars

Services we provide

1. Return Policy

Hassle-Free Returns, Friendly Service: At SPELAB, we’re committed to providing you with a worry-free shopping experience. If you’re not satisfied with your product, our support team is here to assist you every step of the way, ensuring your needs are met. Your satisfaction is our top priority.

2. Frequently asked questions

Answers at your fingertips: Frequently asked questions are available on each individual product page. In addition SPELAB offers several articles for product introduction, installation, shopping guides, discount recommendations, etc...More about differential cover

3. Manuals & Video Tutorials

4. SPELAB Membership

Exclusive Perks for Members: Join the SPELAB membership program to enjoy special discounts, early access to new products, and more. We’re grateful for each customer, adding value to your modification journey.