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  3. NATIONAL SX-7E6C

NATIONAL SX-7E6C Transmission Shaft Seal Manual

fits make: Chevrolet. year: 1969–1970.

Sx-7e6c National Transmission Shift Shaft Seal For 1969-1970 Chevrolet Estate Manual Ln

( Brand: National ), ( Manufacturer Part Number: SX-7E6C ), ( Type: Manual Transmission Shift Shaft Seal ), ( Ipn: C387 21-64 ), ( Item Length: 2.000 ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Transmission Gaskets Sealing Systems ), ( Compatible Model: Estate ), ( Compatible Year: 1970 1969 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Manual Transmission Shift Shaft Seal )

Review NATIONAL Transmission Shift Shaft Seal For Chevrolet Estate Manual Ln fits 1969–1970

Introducing the National SX-7E6C Transmission Shaft Seal, specifically designed for Chevrolet Manual LN models produced between 1969 and 1970. This transmission shaft seal is an essential component for maintaining the functionality and longevity of your vehicle's powertrain.

The SX-7E6C seal is a high-quality replacement part engineered to fit perfectly into your Chevrolet LN's transmission system. Manufactured using advanced materials, this seal boasts excellent resistance to wear and tear, ensuring a reliable seal against transmission fluid leakage. The seal's precise dimensions and contours match the original part, ensuring a seamless installation process.

The outer diameter of the SX-7E6C seal measures approximately 1.2 inches, while its inner diameter is around 0.8 inches. The seal features a ribbed design to enhance its sealing capabilities and prevent potential leaks at the most critical points. Additionally, the seal is designed to accommodate the transmission shaft's splines, allowing for a secure and snug fit.

Installing the National SX-7E6C Transmission Shaft Seal is a straightforward process, requiring no specialized tools or extensive mechanical knowledge. Simply remove the old seal, clean the area, and apply a small amount of new transmission fluid before installing the new seal. Once in place, the seal will form a tight seal against the transmission housing, preventing any potential fluid leaks.

In summary, the National SX-7E6C Transmission Shaft Seal is a premium replacement part designed specifically for Chevrolet Manual LN models from 1969 to 1970. This seal offers excellent sealing capabilities, resistance to wear and tear, and a straightforward installation process, making it an ideal choice for those seeking to maintain the performance and reliability of their classic Chevrolet.

Pros and Cons of Buying a National SX-7E6C Transmission Shaft Seal for 1969-1970 Chevrolet Manual LNs

1. Pros:

a. OEM Quality: The National SX-7E6C transmission shaft seal is an Original Equipment Manufacturer (OEM) part. It is designed and manufactured to meet the same specifications as the seal originally installed in the vehicle. This ensures a proper fit and function.

b. Leak Prevention: A faulty transmission shaft seal can cause power loss and transmission fluid leaks. Replacing it with a new OEM seal can prevent these issues, helping to maintain optimal performance and extend the life of the transmission.

c. Reliable Source: National Sealing is a reputable and reliable source for automotive seals. Their parts are known for their high-quality and durability, offering peace of mind for customers.

2. Cons:

a. Cost: The National SX-7E6C transmission shaft seal may be more expensive than aftermarket alternatives. However, considering the OEM quality and reliable performance, this cost may be justified for those seeking a long-term solution.

b. Availability: Depending on the location, availability of OEM seals like the National SX-7E6C may be limited. Customers may need to order it online or visit a dealership to purchase it.

c. Installation: Installing the transmission shaft seal can be a complex process, especially for those without experience in automotive repair. It may require the use of specialized tools and the disassembly of various components to access the seal.

3. Conclusion:

The National SX-7E6C transmission shaft seal for 1969-1970 Chevrolet Manual LNs offers the advantage of OEM quality and reliability, ensuring a proper fit and function. However, it may come with a higher cost and limited availability compared to aftermarket alternatives. Additionally, its installation can be a challenging process for those without automotive repair experience. Ultimately, the decision to purchase this seal depends on the customer's priorities, budget, and expertise.

4. Recommendation:

If you prioritize OEM quality, reliable performance, and long-term durability, purchasing the National SX-7E6C transmission shaft seal for your 1969-1970 Chevrolet Manual LN is a recommended choice. However, if you're on a tight budget or have limited experience with automotive repair, considering an aftermarket alternative or seeking professional assistance may be a more practical option.

Details:

National Transmission Shift Shaft Seal for 1969-1970 Chevrolet Estate Manual ln: Status: In Stock.

part #: sx7e6c price

  • $11.97

specifications manutransmission:

  • for makes: Chevrolet
  • for years: 1969-1970
  • brand: National
  • mpn: Sx-7e6c
  • type: Manual Transmission Shift Shaft Seal
  • ipn: C387 21-64
  • item length: 2.000
  • manufacturer warranty: 1 Year
  • placement on vehicle: Transmission Gaskets Sealing Systems
  • compatible model: Estate
  • compatible year: 1970 1969
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine National Manual Transmission Shift Shaft Seal

offer manutransmission:

  • availability: In Stock
  • started: March 11, 2026
  • options: Ship-to-home
  • quantity: 3
  • sold: 0

returns manutransmission:

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

seller manutransmission:

  • rating: 99.5%
  • # reviews: 631570
  • city: Indianapolis, Indiana

payments manutransmission:

  • credit card: Visa
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  • wallet: Google-pay

general manutransmission:

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

shipping manutransmission:

  • type: Fixed
  • class: Standard, Expedited
  • cost: $0.00
  • transit: 2-6 Days
  • service: Standard, Expedited
for makes: chevrolet, for years: 1969-1970, type: manual transmission shift shaft seal, item length: 2.000, manufacturer warranty: 1 year, placement on vehicle: transmission gaskets sealing systems, compatible model: estate, compatible year: 1970 1969, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine national manual transmission shift shaft seal,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 11611332915618603,

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