NATIONAL Transmission Shaft Seal Manual 44-66

( Brand: National ), ( Manufacturer Part Number: 1978 ), ( Type: Manual Transmission Shift Shaft Seal ), ( Ipn: C129 44-66 ), ( Item Length: 2.000 ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Transmission Gaskets Sealing Systems ), ( Compatible Model: C25 Suburban ), ( Compatible Year: 1978 1977 1976 1975 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Manual Transmission Shift Shaft Seal )

Review NATIONAL 44-66 Transmission Shift Shaft Seal For Gmc Manual Hr fits SUBURBAN C129 C25 1975–1978

Introducing the National C129 44-66 transmission shaft seal, specifically designed for the 1975-1978 GMC C25 Suburban manual transmission models. This essential component ensures the proper functioning and longevity of your vehicle's powertrain.

The National C129 transmission shaft seal is a precision-engineered part that seals the transmission input shaft where it connects to the engine crankshaft. It prevents the transmission fluid from leaking out, thus maintaining the necessary lubrication for the transmission and the engine.

This seal is manufactured using high-quality materials that provide excellent sealing properties and resistance to the harsh conditions inside the engine compartment. The elastomeric material in the seal ensures flexibility and durability, allowing it to conform to the contours of the shaft and the crankshaft flange.

The C129 seal comes in a standard size and shape that fits the 1975-1978 GMC C25 Suburban transmission system. It's a direct replacement for the original equipment seal and is an easy-to-install part.

Installation of the National C129 transmission shaft seal is straightforward. Simply remove the old seal, clean the area, and apply a suitable sealant. Install the new seal in the reverse order of removal, ensuring it's properly seated and in place.

When you choose the National C129 44-66 transmission shaft seal for your 1975-1978 GMC C25 Suburban, you're ensuring peace of mind and confidence in your vehicle's performance. This seal is a crucial component in maintaining the transmission system's integrity and the engine's overall efficiency. Investing in a high-quality replacement seal like this one can save you from costly repairs and potential engine damage.

Pros and Cons of Buying a National C129 44-66 Transmission Shaft Seal for a 1975-1978 GMC C25 Suburban Manual

a. OEM-equivalent: The National C129 44-66 transmission shaft seal is designed to be a direct replacement for the original seal on your 1975-1978 GMC C25 Suburban manual transmission.

b. Reliable: This seal is known for its durability and ability to effectively prevent transmission fluid leakage.

c. Availability: This part is widely available at auto parts stores and online marketplaces, making it an easily accessible option for Suburban owners.

d. Cost-effective: Compared to other aftermarket options, the National C129 44-66 seal is a cost-effective solution for addressing transmission shaft seal issues.

a. Installation: Installing the new seal can be a time-consuming process, requiring the removal of the transmission pan and the transmission shaft.

b. Labor costs: If you're not comfortable performing the installation yourself, you may need to pay for professional labor costs.

c. Potential for other issues: While the seal is the primary issue, other transmission components may also need attention or replacement.

When considering the purchase of a National C129 44-66 transmission shaft seal for your 1975-1978 GMC C25 Suburban manual, it's important to weigh the pros and cons. The primary advantages include the seal's OEM-equivalence, reliability, availability, and cost-effectiveness. However, the potential drawbacks include the installation process, labor costs, and the possibility of discovering other transmission issues during the repair.

If you're experiencing a transmission fluid leak and are confident in your mechanical abilities, purchasing and installing the National C129 44-66 transmission shaft seal can be a wise investment. However, if you're unsure about the installation process or suspect other transmission issues, it may be advisable to consult a professional mechanic for an assessment and potential repairs.

Details:

National Transmission Shift Shaft Seal for 1975-1978 GMC C25 Suburban Manual hr: Status: In Stock.

specifications manutransmission:

• for models: C129, C25, Suburban
• for makes: Gmc
• for years: 1975-1978
• brand: National
• mpn: 1978
• type: Manual Transmission Shift Shaft Seal
• ipn: C129 44-66
• item length: 2.000
• manufacturer warranty: 1 Year
• placement on vehicle: Transmission Gaskets Sealing Systems
• compatible model: C25 Suburban
• compatible year: 1978 1977 1976 1975
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Shift Shaft Seal

shipping manutransmission:

• class: Standard, Expedited
• cost: $0.00
• service: Standard, Expedited
• type: Fixed
• transit: 2-6 Days

returns manutransmission:

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

payments manutransmission:

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

seller manutransmission:

• # reviews: 631170
• city: Indianapolis, Indiana
• rating: 99.5%

general manutransmission:

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

offer manutransmission:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: March 10, 2026
• quantity: 3

National Is Similar To:

• National Seal bearing 1207-l Manual Transmission Drive Shaft Bearing-ball (50.3% similar) Manual transmission main shaft bearing. Part numbers. National seal/bearing. 102702, 1207L, 207-NR, P1207L. Ball bearing...(December 11th, 2024)
• National 4532n Oil Seals Man Trans Output Shaft Seal (40.8% similar) Note: photos do not always represent the actual product. For kits, photo might show entire kit and listing is only for one component. National oil seals 4532N man trans output shaft seal,:: oil seal...(December 17th, 2024)
• National 724956157204 5200 Oil Seal Kit (32.6% similar) Note: photos do not always represent the actual product. National 5200 oil seal kit,:: OE replacement; 1.502 inch inside diameter; 2.381 outside 0.940 width ; nitrite; single. For kits, photo might show entire kit and listing is only for one component...(December 19th, 2024)
• National Sx-05p2 Steering Gear Pitman Shaft Seal For 1958-1964 Chevrolet Impala Jl (48.8% similar) National steering gear Pittman shaft seal for 1958 -1964 Chevrolet impala Jul: status: in stock...(December 19th, 2024)
• Federal-mogul 471341 National Oil Seal (23.4% similar) Federal mogul National oil seal 471341 box: 548...(December 21st, 2024)
• National C313 86-46 Output Shaft Seal Kit For 1991-1995 Gmc Sonoma Manual Transmission Yq (31.3% similar) ...(December 23rd, 2024)
• National Sx-sr9k Rear Transfer Case Output Shaft Seal Kit For 1983-1994 Chevrolet Hh (51.7% similar) National rear transfer case output shaft seal kit for 1983 -1994 Chevrolet HHS: status: in stock...(December 24th, 2024)
• National Sx-c7kd Output Shaft Seal Kit For 1975-1978 Gmc C25 Manual Transmission Zp (61.3% similar) National output shaft seal kit for 1975 -1978 gmc C25 manual transmission zap: status: in stock...(December 25th, 2024)
• National Sx-153w Output Shaft Seal Kit For 1975-1978 Gmc P15 Manual Transmission Hx (59% similar) National output shaft seal kit for 1975 -1978 gmc P15 manual transmission HX: status: in stock...(December 26th, 2024)
• National Oil Seals 99146 Automatic Transmission Output Shaft Repair Sleeve (48.8% similar) Part #: National oil seals 99146 for sale...(December 27th, 2024)
• National Sx-jcb4 Front Transmission Countershaft Race For 1992-1993 Dodge D350 Lf (52.6% similar) National front transmission counter shaft race for 1992 -1993 dodge D350 FL: status: in stock...(December 31st, 2024)