1. Lighting Auto Parts For Sale
  2. sku: 8664242013662673
  3. BUICK ENCLAVE

BUICK 663.GM4A20 Chassis Ecm

fits model: Enclave. make: Buick. year: 2020.

663.gm4a20 Buick Chassis Ecm 5509960

( Part Type: Ecm ), ( Conditions Options: Fuse Box Cabin ), ( Genuine Oem: Yes ), ( Ipn: 663.gm4a20 ), ( Warranty: 1 Year )

Review BUICK Chassis Ecm fits ENCLAVE 2020

Detailed Product Description for Buick 663.GM4A20 Chassis ECU (Engine Control Module)

The Buick 663.GM4A20 Chassis Engine Control Module (ECM) is a sophisticated electronic component designed to manage and optimize the performance of your vehicle's engine. This advanced ECU is a direct fit for various Buick models, ensuring a seamless integration with your vehicle's system.

Manufactured by General Motors, this ECM is a testament to the company's commitment to delivering high-quality, reliable, and efficient automotive solutions. The 663.GM4A20 ECU is equipped with state-of-the-art software that allows for precise control over engine functions, including fuel injection, ignition timing, and emission control.

The ECM's primary function is to receive input from various sensors within the engine and chassis, process this data, and then output commands to the appropriate systems to maintain optimal performance. This includes controlling the engine's speed (RPM), managing the fuel-air mixture for efficient combustion, and monitoring and adjusting the exhaust emissions to meet emissions standards.

This Buick 663.GM4A20 Chassis ECU is designed to work harmoniously with other vehicle systems, such as the transmission, ABS, and airbag systems. Its plug-and-play design ensures a hassle-free installation process, saving you valuable time and effort.

In addition to its core functionalities, the 663.GM4A20 ECU also offers diagnostic capabilities, allowing you to troubleshoot and rectify issues quickly and efficiently. This can help prevent minor problems from escalating into major ones, thus extending the lifespan of your vehicle and ensuring a smooth and enjoyable driving experience.

In conclusion, the Buick 663.GM4A20 Chassis Engine Control Module is an essential component for any Buick vehicle, offering superior performance, reliability, and diagnostic capabilities. By investing in this premium ECU, you are not only enhancing your vehicle's performance but also ensuring its longevity and overall safety.

The Buick 663.GM4A20 Chassis ECM (Engine Control Module) is a crucial component for the proper functioning of your vehicle's engine. Here are some pros and cons of buying this part:

Pros:

1. OEM Part: This ECM is an Original Equipment Manufacturer (OEM) part, meaning it is made by General Motors and is designed to fit and function perfectly with your vehicle.

2. Quality Assurance: OEM parts come with a warranty and are known for their reliability and durability.

3. Proper Functioning: A proper functioning ECM ensures the smooth operation of the engine, as it controls the ignition, fuel injection, and other critical systems.

Cons:

1. Cost: OEM parts are often more expensive than aftermarket parts due to their brand name and quality.

2. Availability: They may not always be readily available, especially for older models or hard-to-find parts.

3. Limited Customization: Since OEM parts are designed to work perfectly with the specific vehicle model, they may not offer the same level of customization as aftermarket parts.

Conclusion:

If you prioritize quality, reliability, and proper vehicle functionality, buying the Buick 663.GM4A20 Chassis ECM could be a good choice. However, if cost is a concern, you might want to consider aftermarket alternatives. It's also essential to ensure the authenticity of the part and to purchase it from a trusted dealer to avoid any potential issues.

Recommendation:

If budget allows, we recommend purchasing the Buick 663.GM4A20 Chassis ECM for its quality and assurance of proper vehicle operation. If cost is a concern, research reputable aftermarket brands that offer comparable quality and warranty. Always ensure the part is compatible with your vehicle and is purchased from a trusted dealer.

Details:

Please disregard other fitment charts they may not be correct. More Parts: 1 Year Warranty. Very happy customer, excellent value and service. Chassis ECM 5509960: FUSE BOX CABIN Included: Hassle-free 1 Year Warranty Our Part #: 5509960.

Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Easy to find parts that don't require a mechanics knowledge. Free shipping only applies to items you keep. If something is wrong with an order, we certainly do want to help you.

Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Model: ENCLAVE. Please compare part numbers BEFORE purchasing. Quality, Assured Parts All are Quality Tested Inspected.

Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date.

part #: enclave prices

  • $95.00-$423.67

specifications tusilap:

  • for models: Enclave
  • for makes: Buick
  • for years: 2020
  • part type: Ecm
  • conditions options: Fuse Box Cabin
  • genuine oem: Yes
  • ipn: 663.gm4a20
  • warranty: 1 Year

shipping tusilap:

  • type: Fixed
  • cost: $25.00
  • service: Flat Rate Freight
  • class: Freight

general tusilap:

  • Commercial Truck Parts > Lighting > Wiring Fuses
  • condition: Used

payments tusilap:

  • wallet: Google-pay
  • other
  • credit card: Diners-club

seller tusilap:

  • rating: 95.4%
  • # reviews: 21680
  • city: Rancho Cordova, California

returns tusilap:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 60 Days

offer tusilap:

  • best offers: True
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: May 21, 2025
for models: enclave, for makes: buick, for years: 2020, part type: ecm, conditions options: fuse box cabin, genuine oem: yes, warranty: 1 year,
manufacturer: buick, category: auto parts > commercial truck parts > lighting > wiring fuses, sku: 8664242013662673,
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4 offers $95.00–$423.67 USD
  • Used. Offer #1 priced at $423.67 + $30.00 shipping estimate = $453.67* total. +$30.00 shipping
  • Used. Offer #2 priced at $125.00 + $25.00 shipping estimate = $150.00* total. *OPEN FOR IMPORTANT FITMENT INFO*.+$25.00 shipping
  • Used. Offer #3 priced at $95.00 + $0.00 shipping estimate = $95.00* total. FREE SHIPPING
  • Used. Offer #4 priced at $125.00 + $25.00 shipping estimate = $150.00* total. +$25.00 shipping

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