CHEVROLET 12690558 Engine 6.2L 8TH

( Manufacturer Part Number: 12690558 ), ( Manufacturer Warranty: 90 Day ), ( Genuine Oem: Yes ), ( Seller Notes: 6.2l, At, 4x2, High Country ), ( Interchange Item Code: 300 ), ( Color: Red ), ( Number Of Valves: 16 ), ( Engine Size: 6.2l ), ( Fuel Type: Gas ), ( Type: Engine Complete Assembly )

Review CHEVROLET Used Engine Complete Assembly Fits 6.2l Vin 8th fits SUBURBAN 1500 2021

Introducing the Chevrolet 6.2L V8 engine, part number 12690558, specifically designed for the 2021 Suburban 1500 models. This powerful engine is a force to be reckoned with, delivering impressive performance and efficiency for your daily driving needs.

The 6.2L V8 engine boasts an SFI design, which stands for Small-Block Fuel Injected. Its architecture is based on the iconic Chevrolet small-block engine, but with modern fuel injection technology and advanced features. This engine is capable of producing an estimated 420 horsepower at 5,600 rpm and 460 lb-ft of torque at 4,100 rpm, providing ample power for towing, hauling, and highway driving.

One of the most notable aspects of this engine is its Active Fuel Management (AFM) system. AFM is a cylinder deactivation technology that can shut off four cylinders under light load conditions to improve fuel economy. When more power is needed, the engine seamlessly switches back to eight cylinders for optimal performance.

Another advanced feature is the Direct Injection system. This technology delivers fuel directly into the cylinders, allowing for a more complete combustion process and improved efficiency. Additionally, the engine comes equipped with Variable Valve Timing, which adjusts the intake and exhaust valves based on driving conditions to optimize power and torque.

The 6.2L V8 engine is also designed with durability and reliability in mind. It features a cast iron block and aluminum cylinder heads, as well as forged crankshaft and connecting rods. The engine is cooled by a compact, efficient liquid cooling system, ensuring optimal operating temperatures in all driving conditions.

This engine is also compatible with several advanced features, such as automatic transmission and four-wheel drive systems. It is also designed to meet stringent emissions regulations, making it a smart choice for those who want power and performance without compromising on environmental sustainability.

In summary, the Chevrolet 6.2L V8 engine, part number 12690558, is a high-performance, efficient, and reliable powertrain solution for the 2021 Suburban 1500. Its advanced features, such as Active Fuel Management, Direct Injection, and Variable Valve Timing, make it a standout choice for those who demand power and capability from their vehicles.

The Chevrolet 12690558 engine, which is a 6.2L V8 unit, is an option for the 2021 Suburban 1500 model. This engine provides several advantages and disadvantages that potential buyers should consider before making a purchase.

1. Power and towing capacity: This engine delivers impressive power and torque, enabling the Suburban to tow significant loads. It generates 420 horsepower and 460 lb-ft of torque, making it ideal for those who require a vehicle capable of handling heavy workloads.

2. Smooth and responsive: The 6.2L V8 engine offers a smooth and responsive driving experience. Its strong torque delivery results in effortless acceleration, making merging onto highways and passing other vehicles on the road much easier.

3. Robust build: The engine's robust construction is designed to withstand the demands of frequent towing and heavy usage. It features a forged crankshaft and connecting rods, ensuring durability and reliability.

4. Advanced technology: The engine is equipped with several advanced features, such as direct fuel injection, Active Fuel Management (AFM), and continuously variable valve timing, which help optimize performance and efficiency.

1. Fuel efficiency: With its large displacement and high power output, the 6.2L V8 engine is not particularly fuel-efficient. It returns an EPA-estimated 15 mpg in the city and 20 mpg on the highway, which can lead to higher fuel costs for some buyers.

2. Emissions and environment: The engine's large size and high power output contribute to higher emissions, which may not be ideal for those concerned about the environment. Additionally, the increased fuel consumption contributes to a larger carbon footprint.

3. Maintenance and repair costs: Due to its size and power, the 6.2L V8 engine may require more frequent maintenance and repairs than smaller engines. This can result in higher overall costs of ownership.

The 6.2L V8 engine in the 2021 Suburban 1500 offers significant advantages, including impressive power, smooth driving experience, and robust construction, making it an attractive option for those who require a vehicle capable of handling heavy loads and towing. However, its disadvantages, such as lower fuel efficiency and higher maintenance costs, should be carefully considered before making a purchase. Ultimately, the decision to buy this engine depends on an individual's specific needs, budget, and priorities. If power and towing capacity are the top priorities, the 6.2L V8 engine may be an excellent choice. However, for those who prioritize fuel efficiency or lower maintenance costs, alternative engine options may be more suitable.

Details:

Unless specified as Universal this is a direct fit Engine Complete Assembly. Established since 1989.

part #: 12690558 prices

• $2952.10-$8999.95

specifications grokengines:

• for models: 1500, Suburban
• for makes: Chevrolet
• for years: 2021
• mpn: 12690558
• manufacturer warranty: 90 Day
• genuine oem: Yes
• seller notes: 6.2l, At, 4x2, High Country
• interchange item code: 300
• color: Red
• number of valves: 16
• engine size: 6.2l
• fuel type: Gas
• type: Engine Complete Assembly

seller grokengines:

• rating: 99.6%
• city: Houston, Texas
• # reviews: 3126

general grokengines:

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

offer grokengines:

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

returns grokengines:

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

shipping grokengines:

• cost: $0.00
• class: Freight
• service: Flat Rate Freight
• type: Fixed

payments grokengines:

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

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