1. Audio Amplifiers for In-Car Entertainment Offers
  2. sku: 5147133946000604
  3. GM 85108158

GM GENUINE PARTS 85108158 Radio Speaker Amplifier

fits year: 2021–2022.

85108158 Gm Genuine Parts Radio Speaker Amplifier

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 85108158 ), ( Part Type: Radio Speaker Amplifier ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Year: 2021 2022 ), ( Parts Included: Only Part Reference 10 On The Diagram Is Included ), ( Replaces Part Number: 84873333, 84949390, 85165211 )

Review GM GENUINE PARTS Radio Speaker Amplifier fits 2021–2022

The GM Part Number 85108158 is a radio speaker amplifier designed specifically for select GM vehicles. This amplifier is an essential component for enhancing the sound quality of your vehicle's audio system.

This amplifier is a Class D design, which means it offers high efficiency, low distortion, and excellent power output. It is rated at 45 watts per channel RMS (Root Mean Square) at 4 ohms, providing sufficient power to drive your vehicle's factory speakers to deliver clearer, more dynamic sound.

The amplifier features a compact size, measuring approximately 12.8 inches by 6.7 inches by 2.2 inches (32.5 cm x 17 cm x 5.6 cm), allowing for easy installation in most vehicles. Its MOSFET power supply ensures fast response times and improved power delivery, resulting in better sound quality.

The amplifier comes with several protective features, including overcurrent, overvoltage, and thermal protection, ensuring the safety of your audio system and the longevity of the amplifier. It also has a variable low-pass filter with a selectable cutoff frequency, allowing you to adjust the bass response to your preference.

Installation of the amplifier is relatively straightforward, as it comes with a wiring harness that simplifies the connection process. It is also compatible with most factory speaker systems, making it a versatile option for upgrading your vehicle's audio system.

In summary, the GM Part Number 85108158 is a powerful and efficient radio speaker amplifier designed specifically for select GM vehicles. Its compact size, high power output, and protective features make it an excellent choice for enhancing your vehicle's sound quality while ensuring safety and reliability.

The GM 85108158 radio speaker amplifier is a popular aftermarket option for those looking to upgrade the sound system in their GM vehicles. Here are some pros and cons that may help you make an informed decision:

Pros:

1. Improved Sound Quality: This amplifier can deliver more power to your speakers, resulting in clearer, louder, and more dynamic sound.

2. Easy Installation: The amplifier is designed to fit easily into most GM vehicles, and it comes with a wiring harness to simplify the installation process.

3. Versatile: This amplifier can be used with a wide range of speakers and is compatible with most GM vehicles.

4. Durable: The amplifier is built to last, with a robust design and high-quality components.

Cons:

1. Cost: The amplifier can be more expensive than some other aftermarket options.

2. Power Consumption: This amplifier consumes more power than the stock radio, which may drain the battery if not wired correctly.

3. Size: The amplifier is larger than some other options, which may require additional space in the vehicle.

In conclusion, the GM 85108158 radio speaker amplifier offers improved sound quality, easy installation, versatility, and durability. However, it can be more expensive, consume more power, and require additional space.

If you are looking for a significant improvement in your vehicle's sound system and are willing to pay a little more for better performance, this amplifier is a good choice. However, if you are on a tight budget or have limited space in your vehicle, you may want to consider other options. Ultimately, the decision depends on your personal preferences and requirements.

Details:

Found a Better Price. Changed My Mind. Just Didn't Like it.

part #: 85108158 price

  • $520.77

specifications ampsguru:

  • for years: 2021-2022
  • brand: Gm Genuine Parts
  • mpn: 85108158
  • part type: Radio Speaker Amplifier
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Cadillac
  • year: 2021 2022
  • parts included: Only Part Reference 10 On The Diagram Is Included
  • replaces part number: 84873333, 84949390, 85165211

seller ampsguru:

  • rating: 96.1%
  • city: Garland, Texas
  • # reviews: 19368

offer ampsguru:

  • sold: 0
  • started: June 26, 2025
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home

general ampsguru:

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

returns ampsguru:

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

shipping ampsguru:

  • transit: 11-16 Days
  • class: Standard
  • carrier: FedEx
  • service: FedEx Ground or FedEx Home Delivery
  • cost: $0.00
  • type: Fixed

payments ampsguru:

  • wallet: Google-pay
  • other
  • credit card: Mastercard
for years: 2021-2022, part type: radio speaker amplifier, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, year: 2021 2022, parts included: only part reference 10 on the diagram is included, replaces part number: 84873333, 84949390, 85165211,
manufacturer: cadillac, category: auto parts > in-car technology, gps security > in-car entertainment > amplifiers, sku: 5147133946000604,

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