GM 12679113 Engine

( Brand: Gm ), ( Manufacturer Part Number: 12679113 ), ( Part Type: Engine ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Year: 2016 2017 2018 2019 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Replaces Part Number: 12672763 )

Review GM Genuine Gasoline Engine fits 2016–2019

The GM 12679113 engine, also known as the 3.6L V6 LGX engine, is a powerful and efficient powertrain solution from General Motors. This engine is part of the third-generation family of V6 engines and is known for its advanced technology and impressive performance.

The LGX engine displaces 3.6 liters and features a double overhead camshaft (DOHC) design with continuously variable valve timing (CVT) technology. This advanced valve system optimizes engine performance across the entire RPM range, delivering both power and efficiency. The engine produces an impressive 305 horsepower at 6,950 RPM and 269 lb-ft of torque at 4,800 RPM.

The LGX engine is built with durability in mind, featuring a compacted graphite iron (CGI) block and aluminum cylinder head. This combination of materials provides excellent heat transfer and strength, while also reducing weight. The engine also features a forged steel crankshaft and connecting rods for added durability.

The LGX engine is equipped with several advanced technologies to improve fuel economy and reduce emissions. These include Active Fuel Management (AFM), which shuts off half of the engine's cylinders during light load conditions, and Direct Injection (DI) technology, which delivers fuel directly into the cylinders for optimal combustion.

The engine also features a variable intake system, which adjusts the length of the intake manifold runners based on engine load and RPM. This technology improves airflow and optimizes engine performance, resulting in improved power and efficiency.

The LGX engine is backed by GM's industry-leading 10-year/100,000-mile powertrain limited warranty, giving customers peace of mind and confidence in their investment. Overall, the GM 12679113 engine is a high-performing, efficient, and durable powertrain solution that delivers impressive power and advanced technology.

The GM 12679113 engine, also known as the 4.3 Liter V6 engine, is a popular choice for various GM vehicles. Here are some pros and cons that can help you make an informed decision about purchasing this engine:

1. Durability: This engine is known for its durability and longevity. With proper maintenance, it can last for over 200,000 miles.

2. Power: The 4.3 Liter V6 engine produces a decent amount of power, making it suitable for towing and hauling heavy loads.

3. Fuel Efficiency: Compared to other V8 engines, this V6 engine offers better fuel efficiency, saving you money on gas.

4. Availability: This engine is widely available in the aftermarket, making it easy to find and purchase for replacement or upgrade purposes.

1. Emissions: This engine does not meet the latest emissions standards, which can be a concern for those living in areas with strict regulations.

2. Maintenance: While the engine is durable, it requires regular maintenance to keep it running smoothly. This can include tasks such as oil changes, timing belt replacements, and fuel system cleaning.

3. Noise: The 4.3 Liter V6 engine can be louder than some other engines, especially when under heavy load.

4. Performance: While the engine offers decent power, it may not provide the same level of performance as more powerful engines.

The GM 12679113 engine, or 4.3 Liter V6 engine, offers a good balance of durability, power, and fuel efficiency. However, it may not meet the latest emissions standards, requires regular maintenance, and can be louder than some other engines. Ultimately, the decision to purchase this engine depends on your specific needs and preferences. If you prioritize durability, power, and fuel efficiency, and are willing to perform regular maintenance, then this engine may be a good choice for you. However, if you live in an area with strict emissions regulations or prioritize quiet operation and high performance, then you may want to consider other engine options.

Details:

Parts must be resalable and in the original packaging. Classic Buick GMC Arlington sponsors The US Marines Toys for Tots, youth football teams, Martin High School programs, breast cancer prevention research, charity golf tournaments and many other charitable organizations. Electrical parts are not returnable. Bring it to Classic Buick GMC Arlington ensure the job is completed correctly.

We serve the cities of ARLINGTON, Dallas, Fort Worth and surrounding communities. Your vehicles safety and performance are nothing to gamble on. Classic Buick GMC Arlington has all ASE and GM Certified Technicians one World Class technician. For extended work orders, rental cars are available.

Genuine GM Gasoline Engine 12679113:: CT6. Financing here is easy and convenient. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 12679113 prices

• $8296.49-$8473.90

specifications grokengines:

• for years: 2016-2019
• brand: Gm
• mpn: 12679113
• part type: Engine
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Cadillac
• year: 2016 2017 2018 2019
• parts included: Only Part Reference 0 On The Diagram Is Included
• replaces part number: 12672763

returns grokengines:

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

shipping grokengines:

• service: Flat Rate Freight
• class: Freight
• type: Fixed
• cost: $1295.52

payments grokengines:

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

seller grokengines:

• rating: 98.9%
• city: Arlington, Texas
• # reviews: 482

offer grokengines:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: May 4, 2026

general grokengines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: New

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