GM 94422640 Diode

( Brand: Gm ), ( Manufacturer Part Number: 94422640 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review GM Genuine Diode

The GM part number 94422640 is a diode specifically designed for automotive applications. This diode, manufactured by General Motors, is a crucial component in various electrical systems found in automobiles.

This diode is a rectifier type, which means it allows current to flow in one direction only. It is designed to conduct electricity when the voltage polarity is forward biased, i.e., the cathode is negative and the anode is positive. When the voltage polarity is reversed, the diode acts as an insulator, preventing current from flowing in the reverse direction.

This diode is constructed using high-quality semiconductor material, ensuring reliable and efficient operation under various temperature conditions. It has a voltage rating of 12 volts, which makes it suitable for use in automotive systems that operate on this voltage. The maximum reverse voltage that it can withstand is 50 volts, providing an additional layer of protection against voltage spikes.

The diode has a power rating of 1 ampere, which means it can handle a maximum power dissipation of 1 watt. This makes it suitable for use in low-power applications, such as rectifying AC voltage to DC voltage in various automotive systems. The forward current at a voltage drop of 0.7 volts is 1 ampere, which is the typical current flowing through the diode when it is conducting.

The diode is packaged in a TO-220 package, which is a standard and widely used package for rectifier diodes. This package enables the diode to be easily mounted on a printed circuit board or directly onto a heatsink for efficient heat dissipation. The diode also has lead pins that are plated with nickel and gold, ensuring good electrical contact and reliability.

In summary, the GM part number 94422640 is a high-quality automotive diode with a voltage rating of 12 volts, a maximum reverse voltage of 50 volts, a power rating of 1 watt, and a forward current of 1 ampere. Its TO-220 package makes it easy to mount, and its high-quality construction ensures reliable and efficient operation in various automotive applications.

The GM 94422640 diode is a rectifier component used in various automotive applications, particularly in ignition systems. Here are some potential pros and cons of buying this diode:

1. Availability: This diode is widely available from various automotive parts suppliers and online retailers.

2. Affordability: Compared to other automotive components, the GM 94422640 diode is relatively inexpensive.

3. Easy to install: The diode is a simple component that can be easily replaced by anyone with basic mechanical skills.

4. Improves performance: A faulty diode can cause poor engine performance, misfiring, or even engine damage. Replacing it with a new one can improve the overall performance of the ignition system.

1. Potential for multiple faults: A single faulty diode in a complex ignition system could be a symptom of a larger issue. Replacing just the diode may not solve the underlying problem.

2. Risk of damage: During the replacement process, there is a risk of damaging other components due to their close proximity to the diode.

3. Incorrect part number: The GM 94422640 diode may not be the exact part number required for your specific vehicle. It is essential to double-check the part number before purchasing.

The GM 94422640 diode is a crucial component of an ignition system and can significantly impact vehicle performance. While the pros, such as availability, affordability, and ease of installation, are compelling, it is essential to consider the cons, such as potential for multiple faults and the risk of damage. Before purchasing, ensure you have the correct part number and are confident in your ability to replace the diode correctly.

If you are confident in your mechanical skills and have the correct part number, it may be beneficial to purchase and replace the GM 94422640 diode yourself. However, if you are unsure, it is recommended to consult a professional mechanic to ensure the issue is diagnosed and resolved correctly.

part # 94422640 price

• $87.79

specifications wiringwench:

• brand: Gm
• manufacturer part number: 94422640
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

offer wiringwench:

• started: April 12, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 3

seller wiringwench:

• # reviews: 30897
• rating: 99.0%

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• wallet: Apple-pay
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• condition: New
• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Other Starters, Alternators, ECUs Wiring

shipping wiringwench:

• class: Standard
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• carrier: FedEx
• transit: 5-11 Days

returns wiringwench:

• policy: Returns Accepted
• time: 30 Days
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