CHEVROLET 5042-B Engine 4.2L 8TH 195K

( Vintage Part: No ), ( Fuel Type: Gasoline ), ( Type: Engine Long Block ), ( Ipn: 5042-b ), ( Engine Size: 4.2 L ), ( Block Type: Straight ), ( Condition And Options: 4.2l, Vin S, 8th Digit )

Review CHEVROLET 4.2l Gasoline Engine Vins 8th Digit 195k fits TRAILBLAZER 2003–2004

The Chevrolet Trailblazer, specifically the 4.2L engine model with the VIN range starting from 5042-B and produced between 2003 and 2004, is an impressive piece of automotive engineering. This particular engine is a part of the fourth generation of the Trailblazer series and is known for its power and durability.

The 4.2L engine, also referred to as the I6 engine, is a six-cylinder powerplant that boasts a displacement of 4.2 liters. It is a single overhead camshaft (SOHC) design with a cast iron block and aluminum cylinder head. The engine produces a robust 239 horsepower at 4800 rpm and a torque of 325 lb-ft at 2800 rpm. These power figures make the Trailblazer a capable vehicle, both on the highway and off-road.

The 8th digit in the VIN (5) indicates that this engine was manufactured in the Flint Engine Plant in Flint, Michigan. The engine has covered approximately 195,000 miles, which is a testament to its longevity and reliability. The Trailblazer with this engine configuration is equipped with a four-speed automatic transmission, providing smooth and effortless gear changes.

One of the standout features of the 4.2L engine in the Trailblazer is its multi-point fuel injection system. This system ensures efficient combustion, leading to improved fuel economy and reduced emissions. The engine also comes with a variable valve timing system, which optimizes valve timing based on engine load and speed, further enhancing performance and fuel efficiency.

The cooling system in the Trailblazer's 4.2L engine is designed to handle the rigors of off-road driving. It features a heavy-duty radiator and a large fan to ensure the engine stays cool even under the most demanding conditions. Additionally, the engine bay is generously sized, allowing for ample airflow to keep the engine running at optimal temperatures.

Maintenance for this engine is relatively straightforward. The oil change interval is approximately every 7,500 miles, and the engine uses standard filters and fluids. The Trailblazer's 4.2L engine is also compatible with aftermarket performance chips and modifications, allowing enthusiasts to extract even more power and torque from the already impressive powerplant.

In summary, the Chevrolet Trailblazer 4.2L engine with VINs starting from 5042-B, produced between 2003 and 2004, is a robust and powerful engine that is well-suited for both on-road and off-road driving. With approximately 195,000 miles on the clock, it has proven itself to be a reliable and durable powertrain. Its impressive power output, combined with its rugged design and ease of maintenance, make it a favorite among Trailblazer enthusiasts.

The Chevrolet Trailblazer 4.2L engine, specifically those with the 8th generation VINs produced between 2003 and 2004 and having approximately 195,000 miles on the odometer, can be an intriguing option for those seeking a used vehicle with decent power and off-road capabilities. Here are some pros and cons to help you make an informed decision:

1. Powerful Engine: The 4.2L inline-six engine produces 275 horsepower and 315 lb-ft of torque, providing sufficient power for towing and off-road adventures.

2. Capable Off-Road Performance: Trailblazers equipped with this engine and the optional Z85 Off-Road Suspension Package offer excellent off-road abilities, making them suitable for rough terrain and outdoor activities.

3. Reliability (when properly maintained): With regular maintenance, these engines have shown to be quite reliable, often lasting over 200,000 miles.

4. Affordable Price: Compared to newer models or other similarly-sized SUVs, used Trailblazers with the 4.2L engine and the desired specifications are often affordable, making them an attractive option for budget-conscious buyers.

1. Fuel Efficiency: The larger engine, combined with the Trailblazer's size and weight, results in relatively poor fuel economy, averaging around 15-17 mpg in city driving and 20-22 mpg on the highway.

2. Maintenance Costs: Due to the engine's size and power, maintenance costs can be higher than average. Regular oil changes, air filter replacements, and coolant flushes are essential to keep the engine running smoothly.

3. Emissions and Environmental Impact: The larger engine contributes to higher emissions, which may not be ideal for those concerned about the environment.

4. Age and Wear: With 195,000 miles on the odometer, these vehicles are showing their age. Potential buyers should be prepared for the possibility of various wear-and-tear issues, such as suspension components, brakes, and electrical systems.

In conclusion, the Chevrolet Trailblazer 4.2L engine with the desired specifications can be an excellent choice for those seeking a powerful, capable off-road vehicle at an affordable price. However, prospective buyers should be aware of the higher maintenance costs, potential age-related issues, and fuel efficiency concerns. Ultimately, a thorough inspection by a trusted mechanic and careful consideration of your personal needs and preferences will help you make the best decision.

If you're set on the Trailblazer 4.2L and are comfortable with the potential cons, I would recommend looking for a well-maintained vehicle with a clean title, no major accident history, and a comprehensive service history. A pre-purchase inspection by a trusted mechanic is also highly recommended to help identify any potential issues and give you peace of mind. Remember, a little extra due diligence can go a long way in ensuring a satisfying vehicle ownership experience.

Details:

Color: Unknown. James Auto Truck Parts Mission Statement: St. Always double check compatibility. Make / model: CHEVROLET TRAILBLAZER.

Odometer: 195170 Miles. Each Engine is quality checked by our experienced dismantle technicians and mechanics before they are priced listed. These parts are also not covered under the St. Every measure is taken to ensure the parts are of highest quality and in condition described or better upon receipt.

Part comments: 4.2L RUNS GOOD SEE VIDEO. Stock Number: AP3018. James Auto Truck Parts adheres to the strict Gold Seal Code of Ethics. If you encounter an issue, contact your Sales Representative BEFORE remove the part from vehicle.

Regarding engines, accessories such as alternators, starters, water pump, intake and exhaust manifolds, fuel injectors, carburetor, flywheel, brackets, oil pressure switches, thermostats, smog emission devices, turbos, high pumps, injector timing belts are complimentary do not necessarily come with the engine.

specifications grokengines:

• for models: Trailblazer
• for makes: Chevrolet
• for years: 2003-2004
• vintage part: No
• fuel type: Gasoline
• type: Engine Long Block
• ipn: 5042-b
• engine size: 4.2 L
• block type: Straight
• condition and options: 4.2l, Vin S, 8th Digit

general grokengines:

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

offer grokengines:

• availability: In Stock
• started: December 18, 2025
• quantity: 1
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• best offers: True

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• cost: $395.00
• class: Freight

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• time: 30 Days
• policy: Returns Accepted

seller grokengines:

• # reviews: 6314
• rating: 100.0%
• city: Moscow Mills, Missouri

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