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  3. NATIONAL SX-FPH2

NATIONAL SX-FPH2 Transmission Shaft Seal

fits model: K25, K2500, Suburban. make: Gmc. year: 1967–1974.

Sx-fph2 National Transmission Shift Shaft Seal For 1967-1974 Gmc K25 K2500 Suburban Ph

( Brand: National ), ( Manufacturer Part Number: SX-FPH2 ), ( Type: Manual Transmission Shift Shaft Seal ), ( Ipn: C130 43-31 ), ( Item Length: 2.000 ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Transmission Gaskets Sealing Systems ), ( Compatible Model: K25/k2500 Suburban ), ( Compatible Year: 1974 1973 1972 1971 1970 1969 1968 1967 ), ( 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 Gmc Ph fits SUBURBAN K25 K2500 1967–1974

National SX-FPH2 Transmission Shaft Seal for 1967-1974 GMC Suburban (K25, K2500)

Description:

The National SX-FPH2 Transmission Shaft Seal is a high-performance replacement part designed specifically for the transmission shaft application in 1967-1974 GMC Suburban models with K25 and K2500 chassis. This seal is an essential component that keeps the transmission fluid contained within the system, preventing any potential leaks or damage.

This seal is manufactured using advanced materials and precise manufacturing processes to ensure a perfect fit and long-lasting performance. The SX-FPH2 seal features a durable, reinforced lip design that effectively seals against the transmission shaft, providing superior sealing capabilities compared to original equipment seals. This ensures the transmission fluid remains contained within the system, preventing potential leaks and the associated issues, such as loss of power, reduced fuel efficiency, and increased wear on other components.

Moreover, the SX-FPH2 transmission shaft seal is designed to withstand the harsh conditions of off-road environments and heavy-duty use. The materials used in its construction provide excellent resistance to wear, tear, and the extreme temperatures that can be encountered in such applications. This makes it an ideal choice for those who use their Suburban for towing, off-roading, or other demanding tasks.

Installation of the National SX-FPH2 Transmission Shaft Seal is a straightforward process, typically involving the removal of the old seal and the installation of the new one with appropriate sealing compound. Detailed instructions and diagrams are provided with the seal to ensure a hassle-free installation experience.

By choosing the National SX-FPH2 Transmission Shaft Seal for your 1967-1974 GMC Suburban, you can enjoy the peace of mind that comes with knowing your vehicle is equipped with a high-quality, reliable component, designed to provide superior sealing performance and long-lasting durability. This seal is an essential investment for those who rely on their Suburban for heavy-duty use, off-road adventures, or simply want to maintain the optimal performance and longevity of their vehicle.

National SX-FPH2 Transmission Shaft Seal for 1967-1974 GMC Suburban: A Detailed Analysis

The National SX-FPH2 transmission shaft seal is a critical component for the 1967-1974 GMC Suburban models with automatic transmissions. This seal helps prevent transmission fluid from leaking out, ensuring the smooth operation of the vehicle. In this analysis, we will discuss the advantages and disadvantages of purchasing this seal to help you make an informed decision.

Advantages:

1. OEM-equivalent: The National SX-FPH2 transmission shaft seal is designed to be an exact fit and function identical to the original equipment manufactured (OEM) seal.

2. Leak prevention: By replacing a worn-out or damaged seal, you can effectively prevent transmission fluid leaks and potentially expensive repairs.

3. Improved performance: A functional transmission shaft seal ensures the proper transmission fluid pressure and flow, which can lead to better overall performance and fuel efficiency.

4. Cost-effective: Compared to purchasing a rebuilt or remanufactured transmission, replacing the transmission shaft seal is a more cost-effective solution for addressing leaks.

Disadvantages:

1. Labor costs: Installing the seal requires professional expertise, and labor costs can add up, especially if you don't have the necessary skills or tools.

2. Availability: Depending on your location and the availability of parts, it might take some time to source and receive the seal.

3. Potential for additional issues: Replacing the shaft seal does not guarantee that other transmission issues will not arise. If you notice other symptoms, such as harsh shifting or grinding, it's essential to investigate further.

Conclusion:

The National SX-FPH2 transmission shaft seal is an essential component for the proper functioning of your 1967-1974 GMC Suburban's automatic transmission. While there are some disadvantages, such as labor costs and potential for additional issues, the advantages, such as OEM-equivalence, leak prevention, improved performance, and cost-effectiveness, make this a worthwhile investment for maintaining the longevity and reliability of your vehicle.

Recommendation:

If you suspect a transmission shaft seal leak or notice signs of a leak, such as fluid stains under the vehicle, it is recommended to replace the seal promptly. By doing so, you can prevent further damage, save on potential repair costs, and ensure the continued smooth operation of your GMC Suburban. Consider sourcing the seal from a reputable automotive parts supplier, and be prepared for the potential labor costs associated with the installation.

Details:

National Transmission Shift Shaft Seal for 1967-1974 GMC K25 K2500 Suburban ph: Status: In Stock.

part #: sxfph2 price

  • $11.97

specifications manutransmission:

  • for models: K25, K2500, Suburban
  • for makes: Gmc
  • for years: 1967-1974
  • brand: National
  • mpn: Sx-fph2
  • type: Manual Transmission Shift Shaft Seal
  • ipn: C130 43-31
  • item length: 2.000
  • manufacturer warranty: 1 Year
  • placement on vehicle: Transmission Gaskets Sealing Systems
  • compatible model: K25/k2500 Suburban
  • compatible year: 1974 1973 1972 1971 1970 1969 1968 1967
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine National Manual Transmission Shift Shaft Seal

payments manutransmission:

  • other
  • credit card: Discover
  • wallet: Google-pay

general manutransmission:

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

returns manutransmission:

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

shipping manutransmission:

  • cost: $0.00
  • class: Standard, Expedited
  • type: Fixed
  • transit: 3-7 Days
  • service: Standard, Expedited

offer manutransmission:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • quantity: 3
  • started: November 10, 2025

seller manutransmission:

  • # reviews: 591380
  • rating: 99.2%
  • city: Indianapolis, Indiana
for models: k25, k2500, suburban, for makes: gmc, for years: 1967-1974, type: manual transmission shift shaft seal, item length: 2.000, manufacturer warranty: 1 year, placement on vehicle: transmission gaskets sealing systems, compatible model: k25/k2500 suburban, compatible year: 1974 1973 1972 1971 1970 1969 1968 1967, 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: 9172138922257792,

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