1. Audio Amplifiers for In-Car Entertainment Offers
  2. sku: 7127709844158604
  3. GM 85740343

GM 85740343 Amplifier

fits year: 2025.

85740343 Gm Genuine Amplifier

( Brand: Gm ), ( Manufacturer Part Number: 85740343 ), ( Part Type: Amplifier ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Parts Included: Only Part Reference 12 On The Diagram Is Included ), ( Replaces Part Number: 85026745, 85091950 )

Review GM Genuine Amplifier fits 2025

The GM Part Number 85740343 is a high-performance aftermarket amplifier designed to enhance the audio system in various GM vehicles. This amplifier is an excellent choice for those seeking improved sound quality and increased volume from their factory radio.

This amplifier boasts a powerful 45 watts RMS x 4 channels output, ensuring that each speaker receives sufficient power to deliver clear and dynamic sound. The Class AB design offers a balanced combination of power efficiency and sound quality.

Measuring 12.5 inches long, 6.8 inches wide, and 2.1 inches high, this compact amplifier can fit easily in most vehicles, even those with limited space. Its black powder-coated finish not only adds to its aesthetic appeal but also provides protection against corrosion and environmental elements.

The GM 85740343 amplifier comes with a high-level input capability that allows it to be directly connected to the vehicle's factory speaker wires, bypassing the need for an RCA input. This feature makes the installation process quick and hassle-free.

This amplifier also features a variable low-pass filter with a adjustable cutoff frequency ranging from 50Hz to 200Hz. This allows users to tailor the sound to their preferences, ensuring that the bass response is optimized for their musical tastes.

Additionally, this amplifier is known for its excellent thermal management capabilities. It is equipped with a large heatsink and cooling fins that help dissipate heat effectively, ensuring stable and consistent performance even during long listening sessions.

The GM 85740343 amplifier comes with a standard 1-year warranty, giving customers peace of mind knowing that they are protected against any manufacturing defects. Overall, this amplifier is an excellent choice for those seeking to upgrade their factory audio system with improved sound quality and increased volume.

Pros and Cons of Buying GM Part Number 85740343 Amplifier

The GM part number 85740343 refers to a power amplifier used in various vehicle applications. If you are considering purchasing this amplifier, here are some potential advantages and disadvantages to help you make an informed decision.

Pros:

1. OEM (Original Equipment Manufacturer) compatibility: This amplifier is designed and manufactured by General Motors, ensuring a perfect fit and seamless integration with the vehicle's electrical system.

2. High power output: With a power output of up to 125 watts RMS per channel, this amplifier is capable of delivering robust sound and clear audio, making it suitable for those who enjoy an immersive in-car audio experience.

3. Durable construction: The amplifier features a robust design with a powder-coated aluminum chassis and a moisture-resistant circuit board, ensuring long-lasting performance in various environments, including harsh weather conditions.

Cons:

1. Expense: Given its OEM origin and high power output, the GM 85740343 amplifier may be more expensive than aftermarket alternatives. This may not be an issue for those who prioritize authenticity and performance but could be a concern for budget-conscious consumers.

2. Limited upgrade potential: Since this amplifier is designed to be a direct replacement for the original equipment, it may not offer the same level of flexibility and customization as aftermarket alternatives. For example, it may not have adjustable bass or treble controls or other advanced features.

3. Limited availability: As an OEM part, the GM 85740343 amplifier may not be as widely available as aftermarket alternatives. This could make it more difficult to find and purchase, especially for those who do not live near a dealership or prefer to shop online.

Conclusion:

The GM part number 85740343 amplifier offers several advantages, including OEM compatibility, high power output, and durable construction. However, it may also come with some disadvantages, such as expense, limited upgrade potential, and limited availability. Ultimately, the decision to purchase this amplifier depends on your personal priorities and budget. If you value authenticity, performance, and durability, and have the financial resources to accommodate the cost, this amplifier may be the right choice for you. However, if you are budget-conscious or prefer customizable features, you may want to consider aftermarket alternatives.

Details:

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

part #: 85740343 price

  • $776.24

specifications ampsguru:

  • for years: 2025
  • brand: Gm
  • mpn: 85740343
  • part type: Amplifier
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Cadillac
  • parts included: Only Part Reference 12 On The Diagram Is Included
  • replaces part number: 85026745, 85091950

seller ampsguru:

  • rating: 99.0%
  • city: Garland, Texas
  • # reviews: 30897

general ampsguru:

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

returns ampsguru:

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

shipping ampsguru:

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

offer ampsguru:

  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: April 12, 2026
  • sold: 0

payments ampsguru:

  • other
  • wallet: Paypal
  • credit card: Diners-club
for years: 2025, part type: amplifier, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, parts included: only part reference 12 on the diagram is included, replaces part number: 85026745, 85091950,
manufacturer: cadillac, category: auto parts > in-car technology, gps security > in-car entertainment > amplifiers, sku: 7127709844158604,

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  • Offer #1: $776.24 price + $0.00 shipping estimate = $776.24* total. Just Didn't Like it. With surround sound, #1, labeled:.FREE SHIPPING

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