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  3. NATIONAL SX-7RN1

NATIONAL SX-7RN1 Steering Gear Pitman Shaft Seal Gaskets

fits make: Buick. year: 1950–1958.

Sx-7rn1 National Steering Gear Pitman Shaft Seal For 1950-1958 Buick Special Gaskets Rn

( Brand: National ), ( Manufacturer Part Number: SX-7RN1 ), ( Type: Steering Gear Pitman Shaft Seal ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C429 71-16 ), ( Item Length: 2.000 ), ( Placement On Vehicle: Steering Gaskets Sealing Systems ), ( Compatible Model: Special ), ( Compatible Year: 1958 1957 1956 1955 1954 1953 1952 1951 1950 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Steering Gear Pitman Shaft Seal )

Review NATIONAL Steering Gear Pitman Shaft Seal For Buick Special Gaskets Rn fits 1950–1958

Introducing the National SX-7RN1 Steering Gear Pitman Shaft Seal, specifically designed for Buick vehicles manufactured between 1950 and 1958. This premium seal is an essential component for maintaining the hydraulic steering system in optimal condition.

The SX-7RN1 is a precision-engineered part, crafted from high-quality materials for durability and longevity. It is designed as a direct replacement for the original equipment seal, ensuring a perfect fit and reliable performance. The seal features a flexible, yet robust design to effectively prevent leaks and keep power steering fluid contained within the system.

The exterior of the seal is engineered from a special elastomer material that offers exceptional resistance to wear and tear, even under the most demanding driving conditions. This material also ensures excellent sealing properties, preventing leaks and keeping power steering fluid where it belongs.

The interior of the seal is lined with a high-quality, synthetic rubber that provides an excellent seal against the pitman shaft. This material is specifically chosen for its ability to withstand the high pressures and temperatures encountered within the steering system.

Installation of the National SX-7RN1 Steering Gear Pitman Shaft Seal is a straightforward process. Simply remove the old seal and replace it with the new one. No special tools are required, making this an accessible repair for most DIY enthusiasts.

Investing in the National SX-7RN1 Steering Gear Pitman Shaft Seal is an investment in the longevity and performance of your Buick vehicle. By preventing leaks and maintaining proper power steering fluid levels, you can enjoy improved handling and a more enjoyable driving experience. This seal is an essential upgrade for any Buick owner seeking to keep their classic vehicle in top condition.

Buying a national SX-7RN1 steering gear pitman shaft seal for a 1950-1958 Buick can be a necessary repair for maintaining the proper function of the steering system. Let's examine the potential pros and cons of making this purchase.

Pros:

1. Improved Sealing: A new pitman shaft seal can help prevent power steering fluid leakage, ensuring that the power steering system remains effective and free from contamination.

2. Enhanced Steering Performance: A leak-free power steering system can lead to improved steering performance, allowing for smoother turns and easier maneuverability.

3. Longer Term Cost Savings: By addressing the issue with a new pitman shaft seal, you may be able to avoid more extensive and costly repairs down the line.

4. Peace of Mind: Knowing that the steering system is functioning properly can give you peace of mind and confidence on the road.

Cons:

1. Cost: The price of a new national SX-7RN1 pitman shaft seal can be a significant investment, especially if you are not experienced in performing the replacement yourself.

2. Installation Challenges: The replacement process can be complex, requiring the proper tools and knowledge to ensure a successful installation.

3. Potential for Additional Repairs: If the pitman shaft seal is failing, it may indicate that other components in the power steering system are also worn or failing, which could lead to additional repair costs.

Conclusion:

The decision to purchase a national SX-7RN1 steering gear pitman shaft seal for a 1950-1958 Buick depends on various factors, such as the current condition of your vehicle, your personal budget, and your level of mechanical expertise. If you are experiencing power steering fluid leaks or notice a decline in steering performance, addressing the issue with a new pitman shaft seal can lead to improved functionality and long-term cost savings. However, it is essential to consider the potential challenges and costs associated with the repair process.

Recommendation:

If you are confident in your mechanical skills or have access to a professional mechanic, and the cost of the repair is within your budget, replacing the pitman shaft seal with a new national SX-7RN1 seal can be a worthwhile investment for maintaining the overall health and performance of your 1950-1958 Buick's steering system. If you are unsure about your ability to perform the repair or the cost is a concern, it may be worth considering alternative solutions or seeking the advice of a trusted mechanic.

Details:

National Steering Gear Pitman Shaft Seal for 1950-1958 Buick Special Gaskets rn: Status: In Stock.

part #: sx7rn1 prices

  • $15.56-$27.74

specifications manutransmission:

  • for makes: Buick
  • for years: 1950-1958
  • brand: National
  • mpn: Sx-7rn1
  • type: Steering Gear Pitman Shaft Seal
  • manufacturer warranty: 1 Year
  • ipn: C429 71-16
  • item length: 2.000
  • placement on vehicle: Steering Gaskets Sealing Systems
  • compatible model: Special
  • compatible year: 1958 1957 1956 1955 1954 1953 1952 1951 1950
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine National Steering Gear Pitman Shaft Seal

seller manutransmission:

  • city: Indianapolis, Indiana
  • # reviews: 610827
  • rating: 99.4%

shipping manutransmission:

  • service: Standard, Expedited
  • class: Standard, Expedited
  • transit: 4-7 Days
  • cost: $0.00
  • type: Fixed

returns manutransmission:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

offer manutransmission:

  • started: January 10, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 9
  • options: Ship-to-home

general manutransmission:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

payments manutransmission:

  • other
  • credit card: Diners-club
  • wallet: Paypal
for makes: buick, for years: 1950-1958, type: steering gear pitman shaft seal, manufacturer warranty: 1 year, item length: 2.000, placement on vehicle: steering gaskets sealing systems, compatible model: special, compatible year: 1958 1957 1956 1955 1954 1953 1952 1951 1950, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine national steering gear pitman shaft seal,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 10354885531329792,

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