FIRC3169600SS FIRCHASSIS Differential Cover Rear Girdle Ford

Review FIRCHASSIS For Ford 8.8 Differential Cover Rear And Girdle System for FORD MUSTANG 1979–2004

Firchassis FIRC3169600SS Rear Differential Cover for Ford Mustang (1979-2004) 8.8 Inch Differential

The Firchassis FIRC3169600SS Rear Differential Cover is a high-performance upgrade designed for the Ford Mustang (1979-2004) with an 8.8 inch differential. This cover is engineered to provide enhanced protection and durability for your vehicle's differential assembly.

Constructed from 6061-T6 billet aluminum, this cover boasts superior strength and rigidity compared to the factory cast-iron unit. It features a smooth, polished finish that not only looks great but also provides excellent corrosion resistance. The cover is designed to fit perfectly onto your Mustang's differential, ensuring a secure and leak-free installation.

One of the key benefits of this Firchassis cover is its thicker design, which offers increased protection against impacts and damage. It also features a large, CNC-machined oil drain plug, making oil changes easier and more convenient. Additionally, the cover includes a baffled design to help prevent oil sloshing and maintain proper lubrication under hard driving conditions.

This Firchassis rear differential cover is also designed with performance enthusiasts in mind. It is compatible with aftermarket differential coolers, allowing you to enhance the cooling capacity of your differential and maintain optimal operating temperatures. This is especially important for those who regularly push their Mustang to the limit on the track or during high-speed cruising.

Installation of the Firchassis FIRC3169600SS Rear Differential Cover is a straightforward process, requiring no major modifications to your Ford Mustang. It comes complete with all necessary hardware for installation, including new gaskets and seals. This ensures that your installation is not only easy but also leak-free.

In summary, the Firchassis FIRC3169600SS Rear Differential Cover is an excellent upgrade for any Ford Mustang (1979-2004) with an 8.8 inch differential. Its superior strength, rigidity, and corrosion resistance make it an ideal choice for daily drivers, while its thicker design and compatibility with aftermarket coolers make it a must-have for performance enthusiasts. Upgrade your Mustang's differential protection today with the Firchassis FIRC3169600SS Rear Differential Cover.

The Ford 8.8 differential is a popular choice for Ford Mustang models from 1979 to 2004. A differential cover rear girdle, such as the FIRCHASSIS FIRC3169600SS, can provide additional strength and protection to the differential. Here are some pros and cons of purchasing this particular differential cover rear girdle for a Ford Mustang:

1. Enhanced Strength: The FIRCHASSIS FIRC3169600SS differential cover rear girdle is designed to provide extra strength to the differential housing. This can help prevent damage from high torque and horsepower applications.

2. Improved Durability: The girdle is made from high-strength steel, which can help increase the lifespan of the differential.

3. Better Cooling: The girdle can help improve cooling by allowing more fluid to circulate around the differential.

4. Easy Installation: The girdle is designed to be a direct replacement for the factory differential cover, making installation relatively straightforward.

5. Enhanced Performance: The added strength and durability of the girdle can help improve the performance of the differential, allowing it to handle more power and torque.

1. Cost: The FIRCHASSIS FIRC3169600SS differential cover rear girdle can be more expensive than a factory differential cover.

2. Weight: The girdle is made from high-strength steel, which adds weight to the differential. This can have an impact on fuel economy and handling.

3. Limited Compatibility: The girdle is specifically designed for the Ford 8.8 differential and may not be compatible with other differential types.

In conclusion, the FIRCHASSIS FIRC3169600SS differential cover rear girdle can provide enhanced strength, improved durability, better cooling, and increased performance for a Ford Mustang with a 8.8 differential. However, it comes at a higher cost and adds weight to the vehicle. If you plan on running high horsepower or torque applications, or if you want to prevent differential damage, then the benefits of this girdle may outweigh the cons. Otherwise, it may be worth considering other options or waiting until a replacement is necessary.

Recommendation: If you are planning on upgrading the power and torque of your Ford Mustang with a 8.8 differential, or if you want to prevent damage to the differential, then the FIRCHASSIS FIRC3169600SS differential cover rear girdle is a worthy investment. However, if you are on a tight budget or do not plan on pushing the limits of your Mustang, then a factory differential cover may be sufficient. Ultimately, the decision depends on your specific needs and budget.

Details:

Placement on vehicle:rear. For Mustangs with 8.8 rear ends. OE part number: dr3z-4033-a. New list item.

1979-2004 will fit 2005 -current Mustang if you use a pan hard relocation bracket not included. Type:differential cover rear end. All original hardware must be included in the package. Manufacturer warranty: 3 year.

Condition: new.

specifications differentialsdepo:

• for models: Mustang
• for makes: Ford
• for years: 1979–2004
• brand: Firchassis
• mpn: Firc3169600ss
• placement on vehicle: Rear
• type: Differential Cover Rear End
• items included: Cover Rear End Girdle System
• fitment: For Ford For Mustang
• manufacturer warranty: 3 Years
• material: Metal
• vintage part: No

payments differentialsdepo:

• wallet: paypal
• credit card: diners-club
• other

shipping differentialsdepo:

• transit: 6-9 days
• service: standard
• type: fixed
• class: standard

returns differentialsdepo:

• policy: returns accepted
• paid by: seller
• time: 30 days

seller differentialsdepo:

• rating: 99.2%
• # reviews: 918
• city: chino, california

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

offer differentialsdepo:

• best offers: true
• availability: in stock
• price: $53.68
• item condition: New
• options: ship-to-home
• sold #: 18
• in stock #: 1
• started: november 26, 2025