CHEVROLET 432977 Engine 6.2L 8TH L86 12639087

( Manufacturer Part Number: 432977 ), ( Manufacturer Warranty: 3 Year ), ( Core Charge: 100.00 Which Is Included In The Total Price ), ( Genuine Oem: Yes ), ( Interchange Item Code: 300 ), ( Number Of Valves: 16 ), ( Engine Size: 6.2l ), ( Fuel Type: Gas ), ( Type: Engine Complete Assembly )

Review CHEVROLET Engine 6.2l Fits Vin 8th Digit Opt L86 fits TAHOE 1500 2018–2020

The Chevrolet 432977 engine, also known as the 6.2L Tahoe 2018-2020 8L80 L86 12639087, is a powerful and advanced powertrain option for select Chevrolet SUV models. This engine is part of General Motors' EcoTec3 series, which is designed to deliver impressive performance, efficiency, and reliability.

At its core, the 6.2L engine is a V8 powerhouse, boasting eight cylinders arranged in a V configuration. The engine displaces 6.2 liters (376 cubic inches) and is fed by a multi-point fuel injection system, ensuring precise fuel delivery for optimal combustion. It is designed to produce a robust 420 horsepower at 5,400 rpm and 460 lb-ft of torque at 4,100 rpm.

This engine is equipped with several advanced features that enhance its performance and efficiency. It incorporates variable valve timing, which allows the engine to adjust the timing of the intake and exhaust valves based on driving conditions to optimize power and fuel economy. It also features Active Fuel Management (AFM), which deactivates cylinders during light-load driving to save fuel.

The 6.2L engine is mated to the 8L80 eight-speed automatic transmission, which provides smooth, swift gear changes for a refined driving experience. This transmission has a wide ratio spread, which helps to reduce engine revs during cruising and highway driving, contributing to improved fuel economy.

This engine is designed to meet strict emission standards, making it an eco-friendly choice for those seeking powerful performance without compromising the environment. It is also built with durability in mind, featuring a compacted graphite iron engine block and aluminum cylinder heads, which help to reduce weight and improve strength.

Overall, the Chevrolet 432977 engine is a top-tier powertrain option for those seeking a powerful, efficient, and reliable engine for their SUV. With its impressive output, advanced features, and eco-friendly design, it is sure to provide a driving experience that is both thrilling and satisfying.

The Chevrolet 6.2L L86 engine, specifically the one with the part number 12639087, was used in certain 2018-2020 Tahoe models. This engine is known for its powerful performance and robust design. Here are some pros and cons to help you make an informed decision about purchasing this engine:

1. Power: The 6.2L L86 engine delivers impressive power with 420 horsepower and 460 lb-ft of torque. It's an excellent choice for those seeking a powerful and capable engine.

2. Durability: Chevrolet's L86 engine is built for durability with features like a forged crankshaft, forged connecting rods, and a high-strength aluminum block. It can handle heavy loads and high performance.

3. Fuel Economy: Although this engine is known for its power, it still offers decent fuel economy for its class, with an estimated 15 mpg in the city and 22 mpg on the highway.

1. Cost: The 6.2L L86 engine is more expensive compared to other engines in its class. The cost of the engine itself, as well as the potential costs for maintenance and repairs, should be considered.

2. Emissions: This engine does not meet the latest emissions standards and may require modifications to pass emissions tests or inspections.

3. Complexity: The L86 engine is a complex piece of machinery with many components. Installing, maintaining, and troubleshooting this engine may require specialized knowledge and tools.

The Chevrolet 6.2L L86 engine offers impressive power, durability, and decent fuel economy. However, its high cost, complexity, and emissions issues are significant drawbacks. If you're looking for a powerful and capable engine, this might be a suitable option. However, carefully consider the costs, availability of modifications, and your own technical abilities before making a decision.

If you're set on getting a powerful engine for your Tahoe and are comfortable with the potential costs and complexities, the 6.2L L86 engine could be a good choice. However, if you're looking for a more cost-effective and emissions-compliant option, you may want to consider other engines in the same class. Ultimately, the decision depends on your individual needs, preferences, and budget.

Details:

part #: 432977 prices

• $169.91-$229.99

specifications grokengines:

• for models: 1500, Tahoe
• for makes: Chevrolet
• for years: 2018-2020
• mpn: 432977
• manufacturer warranty: 3 Year
• core charge: 100.00 Which Is Included In The Total Price
• genuine oem: Yes
• interchange item code: 300
• number of valves: 16
• engine size: 6.2l
• fuel type: Gas
• type: Engine Complete Assembly

shipping grokengines:

• class: Freight
• transit: 12-17 Days
• type: Fixed
• service: Flat Rate Freight
• cost: $0.00

payments grokengines:

• other
• wallet: Apple-pay
• credit card: Discover

offer grokengines:

• quantity: 1
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: July 12, 2025

returns grokengines:

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

general grokengines:

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

seller grokengines:

• # reviews: 22
• city: Kansas City, Missouri
• rating: 95.8%

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