1. Car & Truck Manual Transmission Parts Deals
  2. sku: 13243756045001008
  3. GM 591448

GM 591448 Rear Nos Trans Seal

fits make: Chevrolet, Pontiac. year: 1958–1960.

591448 Gm 1948-1967 Chevrolet Truck 1958-1960 Pontiac Nos Rear Trans Seal

( Brand: Gm ), ( Manufacturer Part Number: 591448 ), ( Part Type: Seal Tran ), ( Country Of Origin: United States ), ( Items Included: Seal ), ( Manufacturer Warranty: No ), ( Placement On Vehicle: Rear ), ( Vintage Part: Yes )

Review GM 1948-1967 Chevrolet Truck Pontiac Nos Rear Trans Seal fits 1958–1960

GM 591448 Rear Transmission Seal for 1948-1967 Chevrolet, 1958-1960 Pontiac

Description:

This GM 591448 rear transmission seal is a crucial component for the rear transmission system of 1948-1967 Chevrolet and 1958-1960 Pontiac vehicles. Designed with precision engineering, this seal ensures a perfect fit and function in your classic automobile.

Key Features:

1. High-quality materials: This rear transmission seal is manufactured using premium materials that offer excellent durability and reliability. The elastomeric material used in the seal construction provides the required flexibility and resistance to wear and tear, even under extreme operating conditions.

2. Leak-free performance: The GM 591448 rear transmission seal is engineered to provide a tight seal against transmission fluid leakage. By preventing fluid loss, this seal maintains the proper lubrication levels in your transmission system, ensuring optimal performance and longevity.

3. Easy installation: This transmission seal is designed for a hassle-free installation process. The included instructions make it simple for you or your mechanic to replace the old seal with the new one. Additionally, the seal comes pre-lubricated with a special transmission fluid, eliminating the need for additional steps during installation.

4. OEM (Original Equipment Manufacturer) quality: This GM 591448 rear transmission seal is an exact match for the original seal that came with your 1948-1967 Chevrolet or 1958-1960 Pontiac. By using an OEM replacement part, you can maintain the authenticity and integrity of your classic vehicle while ensuring its reliable operation.

5. Packaging and availability: The GM 591448 rear transmission seal comes securely packaged to protect it from damage during shipping. It is available for purchase from reputable automotive parts retailers, both online and in-store.

When it comes to maintaining the performance and longevity of your classic 1948-1967 Chevrolet or 1958-1960 Pontiac, a high-quality rear transmission seal like the GM 591448 is an essential investment. Trust this premium seal to keep your transmission system leak-free and functioning at its best.

Buying a GM 591448 rear trans seal for a 1948-1967 Chevrolet or 1958-1960 Pontiac comes with several pros and cons that you should consider before making a purchase.

Pros:

1. OEM (Original Equipment Manufacturer) Part: The GM 591448 rear trans seal is a factory-original part, which means it is specifically designed to fit and function optimally in your vehicle.

2. High-Quality Material: The O-Ring sealed design and the use of durable materials like rubber and metal ensure a reliable seal, preventing transmission fluid leakage.

3. Improved Performance: A new rear trans seal can help improve the overall performance of your vehicle by ensuring that transmission fluid stays where it belongs, reducing power loss and improving shift quality.

4. Peace of Mind: Installing a new rear trans seal can give you peace of mind knowing that you have addressed a potential issue that could lead to more significant problems and costly repairs in the future.

Cons:

1. Cost: Replacing the rear trans seal can be an expensive repair, especially for older vehicles. The cost of the part itself, as well as the labor costs for installation, can add up.

2. Time-Consuming: The process of removing the old rear trans seal and installing a new one can be time-consuming, requiring the transmission to be drained and the vehicle to be lifted.

3. Potential for Damage: During the removal and installation process, there is a risk of damaging other components in the transmission or causing leaks if not done correctly.

Conclusion:

In conclusion, while the GM 591448 rear trans seal is an essential part for maintaining the performance and reliability of your 1948-1967 Chevrolet or 1958-1960 Pontiac, the cost and time involved in the replacement process are significant drawbacks. However, the benefits of improved performance and peace of mind may outweigh the cons for some vehicle owners. Ultimately, the decision to purchase and install a new rear trans seal depends on the individual's priorities, budget, and willingness to invest time and money into their vehicle.

Recommendation:

Before making a purchase, it is recommended to research the cost of the part and labor, as well as the availability of the part from reputable sources. It is also advisable to consult a professional mechanic or transmission specialist to assess the condition of the current rear trans seal and determine if a replacement is necessary. Additionally, considering the potential for damage during the installation process, it may be wise to choose a reputable shop with experience in transmission repairs to ensure a successful installation.

Details:

1948-1967 Chevrolet truck 1958-1960 Pontiac NOS rear trans seal 591448: genuine GM transmission seal, part number. This part number was later superseded to 3769588. Brand new, still in original GM package. 1955 - 1965 Chevrolet 1/2 ton Pickup and Suburban, but only with HD 3spd trans.

Early editions had it in Group number 5.555, while later put into 4.318.This fits:1948 - 1955 Chevrolet Commercial and Utility with 4spd trans.

part #: 591448 price

  • $18.99

specifications manutransmission:

  • for makes: Chevrolet, Pontiac
  • for years: 1958-1960
  • brand: Gm
  • mpn: 591448
  • part type: Seal Tran
  • country of origin: United States
  • items included: Seal
  • manufacturer warranty: No
  • placement on vehicle: Rear
  • vintage part: Yes

payments manutransmission:

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

offer manutransmission:

  • options: Ship-to-home
  • started: May 31, 2026
  • availability: In Stock
  • quantity: 1
  • sold: 0

shipping manutransmission:

  • cost: $12.95
  • class: Standard
  • carrier: USPS
  • service: USPS First Class
  • transit: 8-13 Days
  • type: Calculated

general manutransmission:

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

returns manutransmission:

  • policy: No Returns

seller manutransmission:

  • city: Toledo, Ohio
  • # reviews: 19244
  • rating: 100.0%
for makes: chevrolet, pontiac, for years: 1958-1960, part type: seal tran, country of origin: united states, items included: seal, manufacturer warranty: no, placement on vehicle: rear, vintage part: yes,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 13243756045001008,

Gm 591448 Is Similar To:

manutransmission logo
1 offer $18.99 USD
  • Offer #1: $18.99 price + $12.95 shipping estimate = $31.94* total. Early editions had it in Group number 5.555, while later editions put it into 4.318. This part number was later superseded to part number 3769588.+$12.95 shipping

Copyright © manutransmission.com