3954AA MOPAR Pinion Flange Seal Nut Rear Diesel 3500 Ram

Review MOPAR New Oem Parts Pinion Flange Seal Nut For Rear Diesel for RAM 3500 2018

Introducing the Mopar 3954AA pinion flange seal nut, an essential component for maintaining the drivetrain system in your 2018 Ram 3500 2500 3500 4500 5500 diesel vehicle. This seal nut plays a critical role in preventing oil leakage from the pinion flange, ensuring the smooth and efficient operation of your diesel engine.

Manufactured by Mopar, the leading aftermarket parts brand from FCA US LLC, this seal nut is a direct-fit replacement for your OEM part. Its high-quality steel construction guarantees exceptional strength and durability, capable of withstanding the heavy loads and severe conditions that commercial-grade vehicles encounter daily.

The Mopar 3954AA seal nut is specifically designed for the rear driveshaft of your Ram 3500 2018 diesel model. It features a thread size of 1.25 x 16 UNF, allowing it to securely fasten the pinion flange to the transmission housing. The precise dimensions and fitment ensure a seamless installation process, requiring no modifications to your vehicle.

Moreover, this seal nut comes with an integrated seal, which provides an additional layer of protection against oil leakage. The seal is made of a high-performance elastomer material, engineered to endure the extreme pressures and temperatures encountered in heavy-duty applications.

Investing in the Mopar 3954AA pinion flange seal nut is a smart decision for any Ram 3500 2018 diesel owner who values reliability, performance, and peace of mind. By keeping your drivetrain system in optimal condition, you can minimize downtime, save on costly repairs, and enjoy a superior driving experience.

In summary, the Mopar 3954AA pinion flange seal nut is a top-tier replacement part for your Ram 3500 2018 diesel's rear driveshaft. Its robust construction, precise fitment, and integrated seal make it an indispensable component for securing the pinion flange and preventing oil leakage. Trust Mopar to deliver the superior quality and dependability that your heavy-duty vehicle deserves.

The Mopar 3954AA pinion flange seal nut is a critical component in the rear differential assembly of a 2018 Ram 3500 diesel vehicle. This part ensures a proper seal between the pinion flange and the differential housing to prevent oil leaks. Let's discuss some pros and cons of purchasing this part.

1. OEM part: The Mopar 3954AA is a factory original equipment (OEM) part, which is designed to fit and function optimally in your vehicle.

2. Quality assurance: Buying an OEM part from a reputable supplier like Mopar ensures that you receive a genuine, high-quality product.

3. Leak prevention: Replacing a worn-out or damaged seal nut with a new one can prevent costly oil leaks and potential damage to other components.

4. Peace of mind: By using a genuine OEM part, you can have confidence that your vehicle's differential assembly will perform reliably and efficiently.

1. Cost: OEM parts can be more expensive compared to aftermarket alternatives.

2. Availability: Depending on your location and supplier, the part may not be readily available, requiring you to wait for it to be shipped.

3. Installation: Installing the seal nut may require specialized tools and skills, potentially adding to the overall cost and time investment.

Weighing the pros and cons, purchasing the Mopar 3954AA pinion flange seal nut for your 2018 Ram 3500 diesel is generally recommended for those who prioritize the reliability, performance, and peace of mind that comes with using an original equipment part. However, if cost is a significant concern, you may consider exploring aftermarket alternatives. Ultimately, the decision depends on your priorities and budget.

If you decide to proceed with purchasing the Mopar 3954AA pinion flange seal nut, make sure to order it from a reputable and trusted supplier to ensure authenticity and quality. Additionally, consider the installation process and any additional tools or services you may need to complete the job effectively.

Details:

Free shipping. Please see pics. Oem Mopar parts, pinion flange, seal, nut for rear Ram 35 2018, diesel. New in open box, package.

specifications differentialsdepo:

• for models: 3500, Ram
• for years: 2018
• brand: Mopar
• mpn: 3954aa
• type: Pinion
• items included: Pinion, Pinion, Seal, Nut, Seal
• placement on vehicle: Rear

general differentialsdepo:

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

payments differentialsdepo:

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

seller differentialsdepo:

• city: marlow, oklahoma
• # reviews: 713
• rating: 100.0%

shipping differentialsdepo:

• class: standard
• carrier: usps
• type: calculated
• service: usps ground advantage
• transit: 6-12 days

offer differentialsdepo:

• availability: in stock
• sold #: 17
• options: ship-to-home
• quantity: 1
• started: june 14, 2025

returns differentialsdepo:

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