AMERICAN MOTORS 300-15353 Engine 5.3L 8TH LH8 1716814

( Brand: American Motors ), ( Part Type: Engine Motor ), ( Conditions Options: 5.3, A.t., 4wd ), ( Genuine Oem: Yes ), ( Ipn: 300-15353 ), ( Make: American ), ( Manufacturer Warranty: 90 Day )

Review AMERICAN MOTORS Engine 5.3l Vin 8th Digit Opt Lh8 Fits Hummer fits H3 2008–2009

The American 300-15353 engine, also known as the 3.0L 8th generation Opti-L HX3 engine, is a powerful and advanced powertrain option for select models of the Hummer H3 from the years 2008 and 2009. This engine is a brilliant example of GM's engineering prowess, incorporating a cast iron block with an aluminum alloy cylinder head, allowing for excellent durability and improved thermal efficiency.

Under the hood of the Hummer H3 equipped with this engine, a displacement of 3.0 liters translates to 185 horsepower and 325 lb-ft of torque. This translates into impressive performance, particularly for an SUV of the H3's size. The Opti-L designation represents GM's use of an Overhead Valve, L-head configuration, indicating a lightweight engine design with excellent breathing capabilities.

This engine boasts several enhancements that set it apart from its predecessors. Most notably, it features GM's patented LA3 Active Fuel Management (AFM). This system allows the engine to run on just four cylinders under low load conditions to save fuel, improving overall efficiency without compromising performance.

The 300-15353 engine also utilizes a fuel system with multi-port electronic fuel injection which ensures a precise delivery of fuel to each cylinder, ensuring excellent combustion and thus optimizing performance and fuel efficiency. With these advancements, the H3 was able to offer impressive fuel economy alongside its substantial power output.

Additional noteworthy features of the engine include a durable forged steel only crankshaft, Aluminum forged pistons, and a twin spark ignition system for improved combustion efficiency. All in all, the American 300-15353 engine is a remarkable powertrain choice for the Hummer H3, delivering power, efficiency, and durability - the ultimate combination for any adventuring SUV.

The American-made 3.0L 8th generation LH8 Opti-V simply referred to as the Hummer H3 engine, was manufactured by General Motors (GM) for specific Hummer H3 models produced between 2008 and 2009. Here's a balanced assessment of this engine, presenting pros and cons to help you make a well-informed decision before purchasing.

1. Powerful: With an output of 239 horsepower at 5,400 rpm and 295 lb-ft (400 Nm) of torque at 3,400 rpm, this engine offers impressive power for its size, making the Hummer H3 a capable off-road vehicle.

2. Towing Capability: The engine's torque and power contribute to the H3's significant towing capacity of up to 5,000 lbs (2,268 kg), making it an ideal choice for those who need to tow trailers, boats, or other heavy equipment.

3. Durability: Being an advanced gasoline engine, the 3.0L LH8 Opti-V has excellent durability. Its aluminum block and iron bore liners provide a good balance between weight and strength.

4. Fuel Efficiency (for its class): The engine is relatively fuel-efficient compared to other V8 engines of the same power range, averaging about 15-18 miles per gallon combined.

5. Smooth operation: Execution of the VVT (Variable Valve Timing) technology reduces emissions and provides smoother engine performance.

1. Lack of fuel efficiency: Compared to smaller, more modern engines or even smaller V6 equivalents, the 3.0L V8 engine's overall fuel consumption is high, which translates to increased operating costs over time.

2. Complex design: Due to its multiple complexity in design, this engine can have istituzionalizzami more repair and maintenance requirements and costs.

3. Emission standards: With stringent emission requirements constantly changing, the cost of meeting these regulations has been a challenge for this engine. Updating these components can be rather expensive.

4. Limited availability: With production ceased, the supply of these engines has become increasingly limited, making sourcing parts a potential challenge for H3 owners.

5. Size: As a V8 engine, the 3.0L LH8 Opti-V requires more space, adding to the vehicle's overall size and weight.

The American-made 3.0L 8th generation LH8 Opti-V engine in Hummer H3 vehicles offers a unique combination of power, durability, and capability that makes it an excellent off-roading engine. However, these advantages come with some caveats such as fuel inefficiency and the costs associated with its complex design, fuel emissions, and occasional availability of replacement parts. The model is best suited for those who require heavy-duty performance capabilities and don't mind the added costs. Ultimately, the decision to purchase a Hummer H3 with the 3.0L LH8 Opti-V engine will depend on one's primary usage needs, budget, and personal preferences.

Details:

part #: 300-15353 prices

• $48.00-$78.00

specifications grokengines:

• for models: H3
• for makes: Hummer
• for years: 2008-2009
• brand: American Motors
• part type: Engine Motor
• conditions options: 5.3, A.t., 4wd
• genuine oem: Yes
• ipn: 300-15353
• make: American
• manufacturer warranty: 90 Day

payments grokengines:

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

offer grokengines:

• started: December 5, 2024
• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True

shipping grokengines:

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

seller grokengines:

• city: Petal, Mississippi
• rating: 95.2%
• # reviews: 136

general grokengines:

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

returns grokengines:

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

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