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GM 12329240 Engine Manifold Gasket

fits make: Buick, Oldsmobile, Pontiac. year: 1988–1991.

12329240 Gm Genuine 1988-1991 Buick Oldsmobile Pontiac Engine Manifold Gasket

( Brand: Gm ), ( Manufacturer Part Number: 12329240 ), ( Type: Manifold Gasket ), ( Warranty: 1 Year ), ( Placement On Vehicle: Front ), ( Make: Buick ), ( Year: 1988 1989 1990 1991 ), ( Fitment Type: Direct Replacement ), ( Certification: Genuine Oem )

Review GM Genuine Buick Oldsmobile Pontiac Engine Manifold Gasket fits 1988–1991

The GM 12329240 engine manifold gasket is a critical component for the Buick, Oldsmobile, and Pontiac vehicles manufactured between 1988 and 1991. This gasket is specifically designed to seal the connection between the engine manifold and the cylinder head, ensuring a proper seal and optimal engine performance.

The gasket is made from high-quality, heat-resistant material, which enables it to withstand the extreme temperatures and pressures generated within the engine. Its design includes multiple layers, each with unique properties, to provide an effective seal against coolant and fuel leakage.

This particular gasket measures approximately 11.2 inches by 11.2 inches (28.5 cm x 28.5 cm) and features a multi-layered, composite construction. The outer layer is typically made from a phenolic material, while the inner layers consist of asbestos or a modern alternative, such as graphite or ceramic.

The GM 12329240 engine manifold gasket is designed to fit specific Buick, Oldsmobile, and Pontiac engines, including those found in models such as the Buick Regal, Oldsmobile Cutlass, and Pontiac Grand Prix. It is essential to ensure that the correct gasket is used for your specific vehicle application to maintain the engine's performance and prevent potential damage.

When installing the new gasket, it is crucial to follow the manufacturer's instructions carefully to ensure a proper fit and seal. Proper installation includes cleaning the mating surfaces, applying a suitable sealant, and carefully aligning and pressing the gasket into place.

In summary, the GM 12329240 engine manifold gasket is a vital component for the Buick, Oldsmobile, and Pontiac vehicles produced between 1988 and 1991. Its multi-layered, composite design provides an effective seal against coolant and fuel leakage, while its heat-resistant material ensures it can withstand the extreme temperatures and pressures generated within the engine. By using the correct gasket for your specific vehicle application and following the manufacturer's installation instructions, you can ensure optimal engine performance and longevity.

Buying a GM 12329240 engine manifold gasket for 1988-1991 Buick, Oldsmobile, and Pontiac vehicles can address the issue of a leaking manifold gasket, which can lead to loss of engine coolant, decreased engine performance, and potential engine damage. However, there are pros and cons to consider before making this purchase.

Pros:

1. Addresses a common problem: Leaking manifold gaskets are a common issue in older vehicles, and replacing the gasket is a relatively straightforward repair.

2. Improves engine performance: A leaking manifold gasket can cause a loss of engine power and efficiency. Replacing the gasket can restore lost performance.

3. Prevents further damage: A leaking manifold gasket can lead to more significant engine damage if left unaddressed. Replacing the gasket can prevent further damage and save money in the long run.

Cons:

1. Cost: The cost of the gasket itself is relatively low, but labor costs for installation can add up significantly, especially if you choose to have the work done at a professional shop.

2. Time: Replacing a manifold gasket can be a time-consuming process, especially if you choose to do the work yourself.

3. Requires other components: In some cases, replacing the manifold gasket may require the replacement of other components, such as the head gasket or intake manifold, which can add to the overall cost and time required for the repair.

In conclusion, buying a GM 12329240 engine manifold gasket for 1988-1991 Buick, Oldsmobile, and Pontiac vehicles can address a common problem and improve engine performance. However, the repair process can be time-consuming and costly, especially when factoring in labor costs. If you are experiencing issues with your engine manifold gasket, it is recommended to weigh the pros and cons and consider your budget and time constraints before making a decision.

Recommendation:

If you are comfortable with automotive repairs and have the necessary tools, replacing the manifold gasket yourself can save significant labor costs. However, if you are not confident in your abilities or do not have the time, it may be worth considering having the work done at a professional shop. Regardless of your decision, be sure to use a high-quality gasket to ensure a long-lasting repair.

part # 12329240 prices

  • $30.00-$55.99

specifications maniheader:

  • for makes: Buick, Oldsmobile, Pontiac
  • for years: 1988-1991
  • brand: Gm
  • manufacturer part number: 12329240
  • type: Manifold Gasket
  • warranty: 1 Year
  • placement on vehicle: Front
  • make: Buick
  • year: 1988 1989 1990 1991
  • fitment type: Direct Replacement
  • certification: Genuine Oem

shipping maniheader:

  • cost: $0.00
  • transit: 5-11 Days
  • class: Standard
  • type: Fixed
  • service: USPS Ground Advantage
  • carrier: USPS

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offer maniheader:

  • started: September 14, 2025
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • best offers: True

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  • policy: Returns Accepted
  • time: 30 Days
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  • rating: 98.9%
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general maniheader:

  • condition: New
  • Engines Engine Parts > Gaskets, Seals Hardware > Gasket Kits
for makes: buick, oldsmobile, pontiac, for years: 1988-1991, type: manifold gasket, warranty: 1 year, placement on vehicle: front, year: 1988 1989 1990 1991, fitment type: direct replacement, certification: genuine oem,
manufacturer: buick, category: auto parts > engines engine parts > gaskets, seals hardware > gasket kits, sku: 8040992099596791,

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