SX-W323 NATIONAL Rear Differential Pinion Bearing Qn Mazda

Review NATIONAL Rear Differential Pinion Bearing For Mazda Rx-8 Qn for MAZDA PILOT 2004–2011

The National SX-W323 Rear Differential Pinion Pilot Bearing is an essential component in the powertrain system of your Mazda RX-8 QN from the model years 2004 to 2011. This high-quality aftermarket bearing is designed to provide reliable and efficient power transmission between the pinion shaft and the differential housing.

The SX-W323 Rear Differential Pinion Pilot Bearing is engineered using premium materials that are engineered to withstand the rigors of daily driving while ensuring quiet operation and extended longevity. The bearing features a pre-lubricated design, which ensures smooth operation from the moment of installation.

This bearing is manufactured to exacting specifications, ensuring a perfect fit for your Mazda RX-8 QN's rear differential. The precision-machined bearing surface ensures even load distribution, minimizing wear and tear on other components, and reducing the risk of vibrations or noises.

The SX-W323 Rear Differential Pinion Pilot Bearing is also designed to be easy to install. Each bearing comes with a new seal, making installation a straightforward process. The included installation instructions provide clear and concise steps to help you complete the job quickly and confidently.

By upgrading your Mazda RX-8 QN's rear differential pinion pilot bearing with the National SX-W323 model, you can enjoy improved performance, better fuel efficiency, and enhanced durability. This bearing is an excellent investment for Mazda RX-8 QN owners looking to maintain the optimal performance of their vehicle while saving money compared to OEM replacement parts.

In summary, the National SX-W323 Rear Differential Pinion Pilot Bearing is a high-quality, pre-lubricated, easy-to-install bearing designed to provide reliable and efficient power transmission for your Mazda RX-8 QN from the model years 2004 to 2011. With its precise fit, durable materials, and quiet operation, this bearing is an excellent choice for Mazda RX-8 QN owners looking to improve their vehicle's performance and longevity.

Pros and Cons of Buying a National SX-W323 Rear Differential Pinion Pilot Bearing for a 2004-2011 Mazda RX-8

a. OEM Equivalent: This National bearing is an OEM (Original Equipment Manufacturer) equivalent, ensuring a perfect fit and function for your Mazda RX-8.

b. Quality: National is a reputable brand known for producing high-quality automotive parts.

c. Durability: The pinion pilot bearing is a critical component in the differential assembly, and a strong and durable bearing is crucial for long-term performance.

d. Availability: The National SX-W323 bearing is readily available from various automotive parts retailers, both online and in-store.

a. Cost: Replacing a rear differential pinion pilot bearing can be a costly repair, and the price of the National SX-W323 bearing may be higher than some aftermarket alternatives.

b. Labor: Installing the new bearing will require professional labor, adding to the overall cost of the repair.

c. Time: The repair process can take several hours, and you may need to leave your vehicle at the shop for the day.

The decision to buy a National SX-W323 rear differential pinion pilot bearing for your 2004-2011 Mazda RX-8 ultimately comes down to your priorities. If you value OEM quality, durability, and the peace of mind that comes with using a reputable brand, then the National bearing is an excellent choice. However, if cost is a significant concern, you may want to consider aftermarket alternatives. Keep in mind that the labor and time costs associated with the repair are separate from the cost of the bearing itself.

If you are confident in your mechanical abilities and have the necessary tools, you may be able to save some money by installing the bearing yourself. However, for most people, it's best to leave the repair to a professional mechanic. When choosing a shop, consider their experience with Mazda RX-8s and their reputation for quality work. Additionally, be sure to compare prices from multiple retailers to ensure you're getting the best deal on the National SX-W323 bearing.

Details:

National rear differential pinion Pilot bearing for 2004 - 2011 Mazda rx-8 qn: status: in stock.

specifications differentialsdepo:

• for models: Pilot
• for makes: Mazda
• for years: 2004–2011
• brand: National
• mpn: Sx-w323
• placement on vehicle: Driveline Axles Bearings
• type: Differential Pinion Pilot Bearing
• item length: 3.190
• manufacturer warranty: 1 Year
• ipn: C497 46-35
• compatible model: Rx-8
• compatible year: 2011 2010 2009 2008 2007 2006 2005 2004
• core charge: Free No Core Charge
• position: Rear
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Differential Pinion Pilot Bearing

seller differentialsdepo:

• # reviews: 582894
• rating: 99.0%
• city: indianapolis, indiana

shipping differentialsdepo:

• transit: 3-6 days
• type: fixed
• service: standard, expedited
• class: standard, expedited

offer differentialsdepo:

• prices: $48.85–$60.62
• item condition: New
• started: october 22, 2025
• in stock #: 2
• sold #: 13
• availability: in stock
• options: ship-to-home

returns differentialsdepo:

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

general differentialsdepo:

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

payments differentialsdepo:

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