CHEVROLET 686472 Engine 3.5L 8TH 142K

( Manufacturer Part Number: 686472 ), ( Model: COLORADO ), ( Manufacturer Warranty: Unspecified Length ), ( Genuine Oem: Yes ), ( Seller Notes: 3.5l, 4at, No Start, Ptc ), ( Interchange Item Code: 300 ), ( Color: Blu ), ( Engine Size: 3.5l ), ( Fuel Type: Gas ), ( Type: Engine Complete Assembly )

Review CHEVROLET Colorado Engine Assembly 3.5l Vin 8th Digit 142k Miles fits 2006

Introducing the Chevrolet 3.5L Engine, specifically model 686472, which was manufactured for use in select 2006 Chevrolet vehicles. This engine is a part of the 8th generation and is known for its impressive capabilities and durability.

The 3.5L engine showcases a V6 configuration, delivering a balanced power output and improved fuel efficiency compared to larger V8 engines. The engine block is made of aluminum, contributing to its lightweight yet robust construction. The cylinder heads are also made of aluminum, aiding in the engine's thermal efficiency and reducing overall weight.

This engine boasts a displacement of 3,496 cc (3.5 liters) and features a SOHC (Single Overhead Camshaft) design. It employs 24 valves, with 4 valves per cylinder, allowing for efficient intake and exhaust gases exchange. The engine's compression ratio is 9.8:1, providing a good balance between power and fuel economy.

The 3.5L engine is mated to a refined multi-point fuel injection system. This system optimizes fuel delivery, ensuring a clean and efficient combustion process. The engine also includes an electronic throttle control system, allowing for smooth and responsive acceleration.

Additionally, this engine features a balancer shaft to minimize vibrations and improve overall engine stability. It also incorporates an integrated exhaust manifold, reducing the number of components and simplifying the exhaust system.

The 2006 Chevrolet 3.5L engine, model 686472, has undergone rigorous testing and development to ensure its reliability and longevity. It is capable of producing a horsepower output ranging from 215 to 224 hp, depending on the specific vehicle application. With a total engine weight of approximately 437 lbs (198.5 kg), it offers a power-to-weight ratio that is both impressive and practical for daily driving.

This engine is suitable for those seeking a dependable, powerful, and fuel-efficient powertrain for their 2006 Chevrolet vehicle. With its advanced design and robust construction, the 3.5L engine is an excellent choice for those who prioritize performance and efficiency.

Pros and Cons of Buying a 2006 Chevrolet 3.5L 8th Generation Engine (Model Number: 686472) - A Comprehensive Analysis

The 2006 Chevrolet 3.5L 8th generation engine, model number 686472, is a popular choice among vehicle enthusiasts due to its reliability and power. In this analysis, we will discuss the key pros and cons of buying this engine to help you make an informed decision.

1. Fuel Efficiency: The 3.5L V6 engine is known for its decent fuel economy, especially when compared to larger engines. It provides a balance between power and fuel efficiency, making it a practical choice for those looking to save on gas.

2. Durability: The design and construction of the 3.5L engine are robust, making it a reliable option for long-term use. Many owners report that these engines last for over 200,000 miles with proper maintenance.

3. Power and Torque: The engine offers a good balance of power and torque, providing smooth acceleration and responsive performance. This makes it an excellent choice for those seeking a powerful yet efficient engine.

4. Versatility: The 3.5L engine is used in various Chevrolet models, making it a versatile option for those looking to purchase a used vehicle or replace an engine in their existing one.

5. Availability and Affordability: Due to its widespread use in Chevrolet vehicles, replacement parts and labor costs for this engine are generally more affordable and widely available compared to less common engine models.

1. Potential for Oil Consumption: Some users have reported that this engine may consume oil more than expected, especially if it has not been serviced regularly. This can lead to additional maintenance costs.

2. Emissions System: The 3.5L engine uses an older emissions system, which may require more frequent maintenance and repairs compared to modern engines.

3. Performance Upgrades: While the engine offers decent power, those seeking extreme performance upgrades may find that the stock engine limits their options.

4. Age and Wear: As with any used engine, there is a risk of encountering wear and tear issues, especially if the engine has not been well-maintained. This can lead to unexpected repairs and maintenance costs.

The 2006 Chevrolet 3.5L 8th generation engine (model number: 686472) presents a compelling balance of power, torque, durability, and fuel efficiency. While there are some potential downsides, such as the risk of oil consumption and the need for more frequent emissions system maintenance, these issues are generally outweighed by the engine's strengths.

If you're in the market for a reliable, powerful, and efficient engine for your Chevrolet vehicle, the 2006 3.5L 8th generation engine is a solid choice. Just be sure to have the engine thoroughly inspected by a trusted mechanic and maintain it regularly to minimize any potential issues.

Details:

NOT included are any attached components such as fuel delivery, emission and performance sensors which may be left on the engine to ease installation process. Every part is cleaned, tested and inspected by experts. Inspect / test Engines are started and tested. All parts are covered by warranty.

Original parts mean a perfect fit. ENGINE: Engine is the engine block, cylinder heads and internal lubricated parts. NOT included are any other attached parts. Parts go back into cars rather than landfill.

They are sold as a long block which will fit the vehicle application. This part fits vehicles made in the following years 2006.

part #: 686472 prices

• $1599.00-$3034.90

specifications grokengines:

• for makes: Chevrolet
• for years: 2006
• mpn: 686472
• model: Colorado
• manufacturer warranty: Unspecified Length
• genuine oem: Yes
• seller notes: 3.5l, 4at, No Start, Ptc
• interchange item code: 300
• color: Blu
• engine size: 3.5l
• fuel type: Gas
• type: Engine Complete Assembly

offer grokengines:

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

returns grokengines:

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

general grokengines:

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

payments grokengines:

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

shipping grokengines:

• service: Flat Rate Freight
• type: Fixed
• class: Freight
• cost: $0.00
• transit: 11-16 Days

seller grokengines:

• # reviews: 502
• rating: 98.2%
• city: Riverdale, Illinois

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