GENUINE GM PARTS 42742975 Audio Amplifier 193468561326

( Brand: Genuine Gm Parts ), ( Manufacturer Part Number: 42742975 ), ( Warranty: 1 Year ), ( Type: Audio Amplifier ), ( UPC: 193468561326 )

Review GENUINE GM PARTS Audio Amplifier

The GM Part Number 42742975 is a versatile and high-performance audio amplifier designed for automotive applications. This amplifier is engineered to deliver exceptional audio quality and power, making it an ideal choice for upgrading factory sound systems or building custom car audio setups.

The amplifier is a 4-channel Class AB design, capable of delivering a total continuous power of 80 watts per channel at 4 ohms (160 watts per channel at 2 ohms). This power rating ensures that it can drive even the most demanding speakers with ease, delivering clear and dynamic sound.

The GM 42742975 amplifier features a low-pass filter with a adjustable cutoff frequency from 20Hz to 250Hz on channels 1 and 2, and a high-pass filter with a adjustable cutoff frequency from 50Hz to 2.5kHz on channels 3 and 4. These filters help to optimize the sound output for different types of speakers and frequency ranges.

The amplifier also comes with a number of advanced features to make installation and use as convenient as possible. It has a top-mounted control panel with gain and crossover controls, as well as a detachable wiring harness to help prevent theft. The amplifier is also protected against short circuits, overheating, and over-voltage conditions, ensuring reliable operation.

The GM 42742975 amplifier is designed to fit seamlessly into most automotive installations. It has a compact size of 12.6 inches by 6.7 inches by 2.4 inches, and can be mounted either horizontally or vertically. The amplifier also comes with a powder-coated aluminum chassis, which not only looks great but also helps to dissipate heat efficiently.

In summary, the GM Part Number 42742975 is a powerful and versatile audio amplifier that delivers exceptional sound quality and power. Its advanced features, convenient installation options, and robust construction make it an excellent choice for anyone looking to upgrade their car audio system.

Pros and Cons of Buying GM Part Number 42742975 Audio Amplifier

The GM part number 42742975 refers to an audio amplifier used in various GM vehicles. Like any other electronic component, this amplifier has its advantages and disadvantages. In this analysis, we'll discuss both the pros and cons to help you make an informed decision before purchasing.

1. OEM (Original Equipment Manufacturer) compatibility: This amplifier is designed and manufactured by GM, ensuring perfect fitment and compatibility with your vehicle.

2. High power output: The 42742975 amplifier delivers an impressive power output, providing improved sound quality and volume.

3. Durable build quality: As an OEM component, this amplifier is built to withstand the rigors of automotive use and is expected to last for a long time.

4. Easy installation: Since it is a direct replacement for the factory amplifier, installation is typically straightforward and does not require extensive modifications.

5. Enhanced audio system performance: Upgrading your vehicle's audio system with a high-performance amplifier like the 42742975 can lead to significantly better sound quality and overall listening experience.

1. Cost: Compared to aftermarket amplifiers, OEM options like the 42742975 can be more expensive due to their brand name and vehicle-specific design.

2. Limited features: Aftermarket amplifiers often come with additional features such as variable bass boost, subwoofer control, and customizable EQ settings, which may not be available on this OEM amplifier.

3. Availability: Due to its specific application to certain GM vehicles, the 42742975 amplifier may be harder to find in local auto parts stores and may require ordering online.

4. Upgrading potential: If you're planning on upgrading your audio system further in the future, an OEM amplifier might not be the best choice as it may not offer the same level of flexibility as aftermarket options.

The GM 42742975 audio amplifier is an excellent choice for those seeking a reliable, high-performance amplifier specifically designed for their GM vehicle. Its OEM compatibility ensures perfect fitment and ease of installation, while its powerful output delivers improved sound quality. However, its cost, limited features, and availability may deter some buyers. Ultimately, the decision to purchase depends on your priorities and budget. If you value a seamless integration with your vehicle's audio system and don't mind the additional cost, this OEM amplifier is a worthy investment. If you're looking for more flexibility and features at a lower cost, an aftermarket amplifier might be a better option.

Details:

Changed My Mind. Add details like Tried to install this part, and it didn't fit. Request a Return. High-value items are usually sent with signature-delivery requirements. Found a Better Price.

42742975: Genuine GM Parts: Audio Amplifier. See below for instructions. This part fits vehicles made in the following years 2017 ,2018,2019,2020,2021. Just Didn't Like it.

If you do, our experts will hand-verify compatibility before shipping.

part #: 42742975 prices

• $59.99-$532.70

specifications ampsguru:

• brand: Genuine Gm Parts
• mpn: 42742975
• warranty: 1 Year
• type: Audio Amplifier
• upc: 193468561326

offer ampsguru:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: May 16, 2026
• quantity: 5

seller ampsguru:

• # reviews: 19119
• city: Garland, Texas
• rating: 99.2%

returns ampsguru:

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

payments ampsguru:

• other
• credit card: Mastercard
• wallet: Google-pay

general ampsguru:

• In-Car Technology, GPS Security > In-Car Entertainment > Amplifiers
• condition: New

shipping ampsguru:

• cost: $0.00
• class: Standard
• transit: 19-29 Days
• service: Standard
• type: Fixed

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