5663 NATIONAL Front Outer Pinion Seal 2500 Dodge Ram

Review NATIONAL Front Outer Pinion Seal For Dodge Vt288hp for DODGE RAM 2500 1994–2002

Introducing the National 5663 Front Outer Pinion Seal, an essential component for the drivetrain system of your 1994-2002 Dodge Ram 2500, 1995-1998 with the V8 288hp engine. This seal plays a critical role in preventing the transfer of power from the driveshaft to the pinion shaft, while also preventing the ingress of debris, moisture, and other contaminants.

The National 5663 Front Outer Pinion Seal is designed to provide superior sealing performance, ensuring optimal drivetrain efficiency and longevity. Manufactured using high-quality materials, this seal is engineered to withstand the rigors of heavy-duty use, making it an ideal choice for your Dodge Ram 2500.

Measuring approximately 1.6 inches in length and 0.8 inches in width, this seal features a flexible, yet robust design that can accommodate minor misalignments and wear in the drivetrain components. It is also designed to be easy to install, allowing you to replace it quickly and efficiently.

The National 5663 Front Outer Pinion Seal is specifically engineered to fit the 1994-2002 Dodge Ram 2500 models with the V8 288hp engine, as well as the 1995-1998 variants with the same powertrain configuration. This seal is an OEM replacement, meaning it is identical to the original equipment seal in terms of size, shape, and material specifications.

By choosing the National 5663 Front Outer Pinion Seal, you can ensure that your Dodge Ram 2500 continues to perform at its best, while also maintaining its drivetrain system in optimal condition. This seal is an essential investment for any Dodge Ram 2500 owner looking to keep their vehicle running strong and reliable, even under the most demanding conditions.

Buying a National 5663 Front Outer Pinion Seal for a 1994-2002 Dodge Ram 2500: Pros, Cons, and Conclusion

The National 5663 Front Outer Pinion Seal is an essential component for the drivetrain system of 1994-2002 Dodge Ram 2500 vehicles with the VT288HP engine. This seal prevents the transfer of power from the driveshaft to the differential from leaking out. In this article, we will discuss the pros and cons of buying this part and provide a conclusion with a recommendation.

1. Improved Performance: A worn-out or leaking pinion seal can cause a loss of power and decreased performance. Replacing the seal with a new one can help restore the vehicle's original power output.

2. Enhanced Durability: National seals are known for their high-quality materials and manufacturing processes. A new National 5663 Front Outer Pinion Seal can provide better durability and longer service life than an OEM or aftermarket seal.

3. Preventing Damage: A leaking pinion seal can lead to damage to other drivetrain components, such as the differential and transmission. Replacing the seal can help prevent costly repairs in the future.

1. Cost: The National 5663 Front Outer Pinion Seal is a premium part, and its price may be higher than an OEM or aftermarket seal. However, the potential benefits of improved performance, enhanced durability, and damage prevention may outweigh the cost.

2. Installation: Installing the new pinion seal can be a complex process that requires specialized tools and knowledge. It is recommended to have it installed by a professional mechanic to ensure proper installation and prevent any potential damage to the drivetrain system.

In conclusion, buying a National 5663 Front Outer Pinion Seal for a 1994-2002 Dodge Ram 2500 can provide several benefits, including improved performance, enhanced durability, and damage prevention. However, the cost and installation process may be considered drawbacks. Ultimately, the decision to buy this part depends on the vehicle's condition, the owner's budget, and their preference for using high-quality parts.

If the vehicle is experiencing power loss, differential leaks, or other drivetrain-related issues, it is recommended to replace the National 5663 Front Outer Pinion Seal with a new one to restore performance, prevent damage, and ensure the longevity of the drivetrain system. It is advised to have the part installed by a professional mechanic to ensure proper installation and avoid any potential damage.

Details:

Position: front outer brand: National pinion seal condition: neonates: differential seal Vito type; with 8.5 in ring gear; spicier 44-3f axle. Item brand: National. Item mpn: 5663.

specifications differentialsdepo:

• for models: 2500, Ram
• for makes: Dodge
• for years: 1994–2002
• brand: National
• mpn: 5663
• part type: Pinion Seal
• placement on vehicle: Front Outer
• item length: 9.000

general differentialsdepo:

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

offer differentialsdepo:

• prices: $22.42–$38.78
• item condition: New
• sold #: 4
• started: june 9, 2026
• options: ship-to-home
• in stock #: 2
• availability: in stock

returns differentialsdepo:

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

payments differentialsdepo:

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

seller differentialsdepo:

• # reviews: 363689
• rating: 99.8%
• city: cass city, michigan

shipping differentialsdepo:

• class: economy, expedited
• carrier: fedex, ups
• transit: 3-7 days
• service: fedex ground economy, ups 2nd day air
• type: fixed