GM 9773889 Nos Oil Pump Gaskets Apps

( Brand: Gm ), ( Part Type: Oil Gasket Pump ), ( Manufacturer Part Number: 9773889 ), ( Vintage Part: Yes )

Review GM Nos Pontiac Buick Oil Pump Gaskets Lot Of See Apps fits 350 400 455 1976–1979

Introducing the GM 9773889 oil pump gaskets, specifically designed for Pontiac and Buick vehicles manufactured between the years 1976 and 1979 with engines sized 350, 400, and 455 cubic inches. These gaskets are an essential component of your engine's oiling system, responsible for creating a seal between the oil pump and the engine block.

The GM 9773889 set includes two gaskets: the front and the rear oil pump gasket. Both gaskets are meticulously engineered from high-quality materials to ensure a perfect seal, preventing oil leaks and maintaining optimal engine performance. The gaskets feature a robust, flexible design that can withstand the extreme pressures and temperatures within the engine.

The front oil pump gasket in this set is designed to seal the interface between the oil pump and the engine block, allowing oil to flow smoothly from the oil pan to the pump. This gasket is vital for the proper functioning of the engine's oiling system.

The rear oil pump gasket, on the other hand, seals the connection between the oil pump and the crankshaft housing. This gasket ensures that no oil escapes and maintains the necessary oil pressure within the engine.

Installing these gaskets is a straightforward process, but it's essential to follow the correct installation procedure to ensure maximum performance and longevity. The gaskets come pre-faced with a high-temperature RTV (Room Temperature Vulcanizing) sealant, which simplifies the installation process and helps prevent leaks.

In conclusion, the GM 9773889 oil pump gaskets are an essential upgrade for Pontiac and Buick vehicles from the late 1970s. These gaskets provide a reliable seal, prevent oil leaks, and contribute to the overall performance and longevity of your engine. Replacing worn or damaged gaskets with new, high-quality ones from GM ensures that your engine continues to run efficiently and effectively.

Buying GM 9773889 Oil Pump Gaskets for 1976-1979 Pontiac and Buick 350, 400, 455 Engines: A Comprehensive Analysis

The GM 9773889 oil pump gasket is a critical component for Pontiac and Buick vehicles equipped with 350, 400, and 455 engines manufactured between 1976 and 1979. This gasket is responsible for sealing the oil pump to the engine block and preventing oil leaks. In this analysis, we will discuss the pros and cons of buying these oil pump gaskets to help you make an informed decision.

1. Leak prevention: Replacing a worn-out oil pump gasket with a new one can effectively prevent oil leaks, ensuring proper engine lubrication.

2. Improved engine performance: A leaking oil pump gasket can result in reduced engine performance due to insufficient oil supply. Replacing the gasket can help restore engine performance to its optimal level.

3. Long-term reliability: Using a high-quality oil pump gasket, such as the GM 9773889, can provide long-term reliability and prevent the need for frequent replacements.

4. Cost-effective: While the upfront cost of purchasing an oil pump gasket may seem high, the potential damage caused by a leaking gasket, such as engine damage or the need for more extensive repairs, can be much more costly in the long run.

1. Installation complexity: Installing an oil pump gasket can be a challenging process, especially for those without experience in engine repair. This may require the assistance of a professional mechanic, adding to the overall cost.

2. Availability: Depending on your location and the availability of the GM 9773889 oil pump gasket from local parts suppliers, you may need to order the part online, which could result in a longer wait time.

3. Cost: The price of the GM 9773889 oil pump gasket may be higher than some aftermarket alternatives. However, the benefits of using a high-quality, original equipment manufacturer (OEM) part may outweigh the additional cost.

When deciding to buy the GM 9773889 oil pump gasket for your 1976-1979 Pontiac or Buick 350, 400, or 455 engine, it is essential to weigh the pros and cons carefully. While there are some challenges associated with the purchase and installation, the benefits of preventing oil leaks, improving engine performance, and ensuring long-term reliability make this investment worthwhile. Ultimately, the decision comes down to your personal preferences, budget, and priorities. If you value the peace of mind that comes with using high-quality OEM parts and preventing potential engine damage, the GM 9773889 oil pump gasket is a worthwhile investment. On the other hand, if you are comfortable with aftermarket alternatives or prefer to minimize costs, you may consider exploring other options. Regardless of your choice, proper engine maintenance is crucial for the longevity and performance of your vehicle.

Details:

PLEASE L K at the pictures before buying. What you see in the pictures is exactly what are buying on and nothing else. You are buying on a lot of 6 new old stock 1976,1977,1978,1979 Pontiac and Buick oil pump gaskets GM part number 9773889 in the original paper wrapper. Box C 1 The GM parts book shows that the oil pump gaskets are correct for following applications all 1976 Pontiac model's with a 350,400,455 motor 1977 350P 1977-1979 400 and 1978 Buick.

part #: 9773889 prices

• $11.87-$24.99

specifications pumppruner:

• for models: 350, 400, 455
• for makes: Pontiac, Buick
• for years: 1976-1979
• brand: Gm
• part type: Oil Gasket Pump
• manufacturer part number: 9773889
• vintage part: Yes

shipping pumppruner:

• type: Fixed
• carrier: USPS
• class: Standard
• transit: 5-10 Days
• service: USPS Ground Advantage
• cost: $0.00

returns pumppruner:

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

general pumppruner:

• Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts
• condition: New

seller pumppruner:

• city: Pelham, New Hampshire
• # reviews: 8508
• rating: 100.0%

offer pumppruner:

• quantity: 1
• availability: In Stock
• started: November 19, 2025
• options: Ship-to-home
• sold: 0

payments pumppruner:

• credit card: Discover
• wallet: Paypal
• other

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