SX-4959 FEL-PRO Rear Differential Cover Gasket Delta

Review FEL-PRO Rear Differential Cover Gasket For Oldsmobile Delta Ed for OLDSMOBILE 1977–1988

The Fel-Pro SX-4959 rear differential cover gasket is specifically designed for Oldsmobile Delta 88 and Cutlass models from the years 1977 to 1985. This gasket is an essential component of the vehicle's drivetrain system, sealing the connection between the differential cover and the differential housing.

The Fel-Pro SX-4959 gasket is engineered using high-quality materials to ensure a reliable and leak-free seal. It is manufactured with a multi-layered design that provides excellent resistance to both oil and coolant, ensuring that your differential stays properly lubricated and cooled.

The gasket features a precise fit that conforms to the contours of the differential housing and cover, eliminating the need for excessive force when installing. This not only makes the installation process easier but also reduces the risk of damage to the components.

The Fel-Pro SX-4959 rear differential cover gasket is also designed with a reinforced edge to prevent warping or distortion, which can lead to leaks. The gasket's rubber material is resilient and flexible, allowing it to withstand the extreme temperatures and pressures that the differential encounters during operation.

Installing the Fel-Pro SX-4959 gasket is a straightforward process. Simply remove the old gasket and any remaining sealant, clean the surfaces, and apply a new sealant before installing the new gasket. Be sure to follow the manufacturer's instructions carefully to ensure a proper installation and to maximize the gasket's lifespan.

In summary, the Fel-Pro SX-4959 rear differential cover gasket is an essential component for Oldsmobile Delta 88 and Cutlass models from 1977 to 1985. It is engineered using high-quality materials to ensure a reliable and leak-free seal, and it features a precise fit and reinforced edge for durability and ease of installation.

Pros and Cons of Buying a Fel-Pro SX-4959 Rear Differential Cover Gasket for 1977-1985 Oldsmobile Delta 88/Cutlass/Omega

a. Fel-Pro is a well-known and reputable brand in the automotive aftermarket, known for producing high-quality gaskets.

b. The SX-4959 is a heavy-duty gasket specifically designed for Oldsmobile Delta 88, Cutlass, and Omega models from 1977 to 1985.

c. It is a multi-layered gasket, which helps prevent leaks and ensures a proper seal between the differential cover and the engine block.

d. It is made from high-temperature materials, ensuring that it can withstand the extreme heat generated by the differential.

e. The gasket is easy to install, and it comes with detailed instructions to make the process as smooth as possible.

a. The Fel-Pro SX-4959 may be more expensive than some aftermarket gaskets from lesser-known brands.

b. Some customers have reported that the gasket did not fit perfectly or required some modification to fit their specific vehicle.

c. A few users have noted that the gasket did not prevent leaks entirely, requiring additional sealing measures.

The Fel-Pro SX-4959 rear differential cover gasket for 1977-1985 Oldsmobile Delta 88, Cutlass, and Omega models is a high-quality, heavy-duty gasket from a reputable brand. While it may be more expensive than some alternatives, its multi-layered design, high-temperature materials, and ease of installation make it a solid choice for those looking to prevent leaks and maintain the sealing integrity of their differential cover. However, as with any aftermarket part, it's essential to verify that the gasket fits your specific vehicle and to follow the installation instructions carefully to ensure a successful repair.

If you're in the market for a rear differential cover gasket for your 1977-1985 Oldsmobile Delta 88, Cutlass, or Omega, the Fel-Pro SX-4959 is a worthy consideration. Its reputation for quality, durability, and ease of installation make it a reliable choice for keeping your differential covered and sealed properly. Just be sure to double-check the fitment for your specific vehicle and follow the installation instructions carefully to ensure a successful repair.

Details:

Fel-pro rear differential cover gasket for 1977 1985 Oldsmobile delta 88 ed: status: in stock.

specifications differentialsdepo:

• for makes: Oldsmobile
• for years: 1977–1988
• brand: Fel-pro
• mpn: Sx-4959
• placement on vehicle: Driveline Axles Gaskets Sealing Systems
• type: Differential Cover Gasket
• item length: 12.750
• manufacturer warranty: 1 Year
• ipn: C217 65-11
• compatible model: Delta 88
• compatible year: 1985 1984 1983 1982 1981 1980 1979 1978 1977
• core charge: Free No Core Charge
• position: Rear
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Fel-pro Differential Cover Gasket

shipping differentialsdepo:

• class: standard, expedited
• type: fixed
• service: standard, expedited
• transit: 2-6 days

offer differentialsdepo:

• started: september 17, 2025
• sold #: 14
• in stock #: 5
• availability: in stock
• options: ship-to-home
• prices: $28.33–$149.13
• item condition: New

returns differentialsdepo:

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

general differentialsdepo:

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

payments differentialsdepo:

• other
• credit card: visa
• wallet: apple-pay

seller differentialsdepo:

• rating: 98.8%
• city: indianapolis, indiana
• # reviews: 570093