12589459 GM GENUINE PARTS Engine Cylinder Head Plate

Review GM GENUINE PARTS Engine Cylinder Head Opening Plate

The GM 12589459 engine cylinder head plate is a crucial component of an internal combustion engine. Designed specifically for select GM applications, this cylinder head plate is engineered to provide optimal sealing and cooling capabilities.

The plate is precision-machined from high-quality aluminum alloy, ensuring exceptional strength and durability. It features a flat, smooth surface that mates perfectly with the cylinder head, ensuring a proper seal and preventing coolant or combustion gases from leaking.

The cylinder head plate also includes integral coolant passages that allow coolant to flow evenly across the cylinder head, maintaining optimal operating temperatures. These passages are designed to minimize turbulence and maximize heat transfer, resulting in improved engine performance and efficiency.

Additionally, the plate features reinforced bosses that provide a secure attachment point for the engine hardware, such as head bolts and coolant passages. These bosses are designed to withstand the high torque loads generated during engine assembly and operation.

The GM 12589459 engine cylinder head plate is also designed with a fine finish, ensuring a smooth surface that is easy to work with during engine assembly. The plate is also tested to meet or exceed OEM specifications for fit, form, and function, ensuring reliable performance and long-lasting durability.

In summary, the GM 12589459 engine cylinder head plate is an essential engine component that provides optimal sealing and cooling capabilities. It is precision-machined from high-quality aluminum alloy, features integral coolant passages and reinforced bosses, and is designed with a fine finish for easy installation. This plate is a reliable and effective solution for maintaining the performance and longevity of your GM engine.

1. Improved Engine Performance: A new cylinder head plate can help improve engine performance by ensuring proper sealing of the cylinder head gasket. This can lead to better combustion, increased power, and improved fuel efficiency.

2. Longer Engine Life: A worn-out cylinder head plate can lead to engine leaks and other issues that can shorten the life of the engine. Replacing the part with a new one can help prevent these problems and extend the life of the engine.

3. Better Compatibility: Original equipment manufacturer (OEM) parts like the GM 12589459 engine cylinder head plate are designed to fit and function optimally with the specific engine they are intended for. Using an OEM part can help ensure proper fitment and compatibility.

1. Cost: Replacing a cylinder head plate can be an expensive repair. The cost of the part itself, as well as the labor costs to install it, can add up.

2. Time Consuming: Installing a new cylinder head plate is a complex repair that requires specialized tools and knowledge. It can be time-consuming and may require the engine to be removed from the vehicle.

3. Availability: Depending on the specific make and model of the vehicle, the GM 12589459 engine cylinder head plate may not be readily available at local auto parts stores. It may need to be ordered from the dealership or an online retailer, which can add to the wait time.

The decision to buy a GM 12589459 engine cylinder head plate depends on various factors such as the condition of the engine, the cost of the repair, and the availability of the part. If the engine is showing signs of leaks or poor performance, replacing the cylinder head plate may be a necessary repair to prevent further damage and extend the life of the engine. However, the cost and time involved in the repair should also be considered before making a decision.

Before buying a GM 12589459 engine cylinder head plate, it's recommended to have the engine inspected by a certified mechanic to determine the root cause of any performance issues. If the mechanic recommends replacing the cylinder head plate, it's best to shop around for the best price and availability of the part. Consider using an online retailer or the dealership for the most reliable and compatible option. Additionally, factor in the cost of labor and any additional repairs that may be necessary during the installation process.

Details:

Gm regularly updates production and service part designs to integrate new materials technologies. Gm engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. Gm genuine parts 12589459 engine cylinder head opening plate: some may have formerly appeared as AcDelco original equipment OE.

specifications compressorshow:

• brand: Gm Genuine Parts
• mpn: 12589459
• part type: Engine Cylinder Head Plate
• included components: Engine Cylinder Head Side Cover
• model name: Gm Original Equipment
• exterior finish: Machined
• upc: 195491175587
• package dimensions lxwxh: 4.37x3.5x0.94 Inches
• weight: 0.16 Pounds

seller compressorshow:

• rating: 97.8%
• city: phoenix, az
• # reviews: 260

general compressorshow:

• category: Business & Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Blowers > Air Compressors

returns compressorshow:

• paid by: seller
• time: 30 days
• method: money back
• policy: returns accepted

payments compressorshow:

• credit card: mastercard
• other
• wallet: paypal

offer compressorshow:

• prices: $35.17–$48.49
• item condition:
  • New other (see details)
  • New
• in stock #: 5
• sold #: 14
• options: ship-to-home
• started: october 21, 2025
• availability: in stock

shipping compressorshow:

• type: fixed
• class: standard
• service: standard
• transit: 2-4 days