SX-YP49 NATIONAL Rear Outer Differential Pinion Race Aston Fo

Review NATIONAL Rear Outer Differential Pinion Race For Aston Martin V-8 Fo

National SX-YP49 Rear Outer Differential Pinion Race for 1972-1989 Aston Martin V8 Fuel Injection Cars

The National SX-YP49 Rear Outer Differential Pinion Race is an essential component for the smooth and efficient operation of the rear differential assembly in 1972-1989 Aston Martin V8 fuel injection cars. This high-quality race is manufactured to exacting standards to provide superior performance and durability compared to the original equipment part.

The race is precision-machined from heat-treated steel to ensure strength and rigidity, with a hardened and ground surface to provide a perfect mating surface for the differential pinion and ring gear. The race is also designed with a generous clearance to accommodate any potential differential wear, ensuring a long service life and minimal maintenance.

The National SX-YP49 Rear Outer Differential Pinion Race is also designed to be a direct replacement for the original part, making it an ideal choice for those seeking to restore or maintain their classic Aston Martin V8 fuel injection cars. The race comes complete with new seals and bearings, making it a complete kit for a hassle-free installation.

Installation of the new race is straightforward, with no special tools required. The differential must be removed from the car for the installation process, but the procedure is well documented in various online resources and workshop manuals. Properly installed, the new race will provide quiet and reliable operation, with no unwanted play or noise in the differential.

In summary, the National SX-YP49 Rear Outer Differential Pinion Race is an essential upgrade for any 1972-1989 Aston Martin V8 fuel injection car owner seeking to improve the performance, reliability, and longevity of their vehicle's differential assembly. With its superior materials, precise manufacturing, and easy installation, this race is an excellent investment for any enthusiast or collector.

Buying a national SX-YP49 rear outer differential pinion race for a 1972-1989 Aston Martin V8 is an investment in the durability and performance of your vehicle's drivetrain. Here are some potential pros and cons to consider before making a purchase:

1. Improved Gear Engagement: A race differential pinion is designed to provide better tooth engagement and reduce wear on the differential gears. This results in smoother operation and improved performance.

2. Enhanced Durability: The SX-YP49 race differential pinion is made of high-strength materials such as steel and hardened alloys. This makes it more resistant to wear and tear, allowing for longer service intervals and reduced maintenance costs.

3. Increased Power Transmission: A race differential pinion can help to maximize the power transmitted to the wheels, leading to improved acceleration and overall performance.

4. Suitability for High-Performance Applications: The SX-YP49 race differential pinion is ideal for high-performance applications where the differential is subjected to heavy loads and high speeds.

1. Cost: A race differential pinion is typically more expensive than a standard pinion. This may be a consideration for those on a tight budget.

2. Installation Complexity: Installing a race differential pinion can be a complex and time-consuming process. It may require specialized tools and expertise, and there is a risk of damaging other components during installation.

3. Noise: A race differential pinion can generate more noise than a standard pinion due to the increased tooth engagement. This may be a concern for those who value a quiet driving experience.

The decision to buy a national SX-YP49 rear outer differential pinion race for a 1972-1989 Aston Martin V8 depends on your specific needs and priorities. If you value improved performance, durability, and power transmission, then the investment in a race differential pinion may be worthwhile. However, if cost and installation complexity are concerns, then a standard pinion may be a more suitable option. Ultimately, it's important to weigh the pros and cons carefully and consult with a qualified mechanic or specialist to help make an informed decision.

If you decide to purchase a national SX-YP49 rear outer differential pinion race for your Aston Martin V8, it's recommended that you source it from a reputable supplier and have it installed by a qualified mechanic or specialist to ensure proper fitment and functionality. Additionally, it may be worth considering investing in other performance upgrades, such as a limited-slip differential or upgraded driveshaft, to further enhance the overall performance of your vehicle.

Details:

National rear outer differential pinion race for 1972 1989 aston martin v-8 fo: status: in stock.

specifications differentialsdepo:

• for years: 1972–1989
• brand: National
• mpn: Sx-yp49
• placement on vehicle: Driveline Axles Bearings
• type: Differential Pinion Race
• item length: 3.190
• manufacturer warranty: 1 Year
• ipn: C581 78-20
• compatible make: Aston Martin
• compatible model: V-8
• compatible year: 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977
• core charge: Free No Core Charge
• position: Rear Outer
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Differential Pinion Race

general differentialsdepo:

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

returns differentialsdepo:

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

offer differentialsdepo:

• sold #: 7
• in stock #: 1
• price: $15.68
• item condition: New
• started: april 27, 2026
• options: ship-to-home
• availability: in stock

seller differentialsdepo:

• rating: 99.6%
• city: indianapolis, indiana
• # reviews: 650132

payments differentialsdepo:

• wallet: apple-pay
• credit card: diners-club
• other

shipping differentialsdepo:

• transit: 3-7 days
• type: fixed
• service: standard, expedited
• class: standard, expedited