MOPAR R8154340AA Block Engine

( Manufacturer Part Number: R8154340AA ), ( Part Type: Block Engine ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chrysler ), ( Year: 2009 2010 2011 2012 ), ( Parts Included: Only Part Reference 2 On The Diagram Is Included ), ( Replaces Part Number: 68259163aa, 68259163ab, R8225254aa )

Review MOPAR Genuine Long Block Engine Remanufactured fits 2009–2012

Introducing the Mopar R8154340AA Block Engine, a high-performance replacement engine specifically designed for select Dodge and Chrysler vehicles. Engineered to deliver superior power and durability, this engine is an excellent choice for automotive enthusiasts seeking upgraded performance or restoring their classic muscle cars.

The Mopar R8154340AA Block Engine is a Gen III small-block engine, featuring a cast iron block and aluminum heads. It boasts a displacement of 5.7 liters (345 cubic inches) and is equipped with a high-performance camshaft, roller rockers, and hydraulic lifters. These components allow for efficient combustion and enhanced power output.

This engine includes a state-of-the-art Multi-Displacement System (MDS), which can deactivate four cylinders under light load conditions to improve fuel economy and reduce emissions. When more power is needed, the engine seamlessly switches back to eight cylinders for optimal performance.

The Mopar R8154340AA Block Engine is also outfitted with a modern electronic fuel injection system, including a power distributor and engine control module. This system ensures precise fuel delivery and optimizes engine performance under various driving conditions.

Additionally, this engine features a high-performance intake manifold and air induction system, which provides increased airflow and power. The exhaust system includes high-flow catalytic converters to reduce emissions and maintain optimal engine performance.

The engine comes complete with all necessary accessories, including a water pump, power steering pump, alternator, and air conditioning compressor. It also includes an engine wiring harness, making it easy to install in your vehicle.

The Mopar R8154340AA Block Engine is backed by Mopar's commitment to quality and reliability. It undergoes rigorous testing to ensure it meets or exceeds OEM specifications. This engine is designed to provide you with dependable performance, whether you're cruising down the highway or pushing your vehicle to the limit on the track.

In summary, the Mopar R8154340AA Block Engine is a high-performance, durable replacement engine that delivers superior power and improved fuel economy. It is an excellent choice for automotive enthusiasts looking to upgrade their vehicle or restore a classic muscle car. With its state-of-the-art features and OEM quality, you can trust that this engine will provide you with years of reliable performance.

The Mopar R8154340AA block engine is a popular aftermarket option for those looking to rebuild or upgrade their Chrysler, Dodge, or Plymouth engines. Here are some pros and cons to consider before making a purchase:

1. High Quality: Mopar is a well-known brand and the R8154340AA block engine is known for its high-quality cast iron construction and durable design.

2. Wide Compatibility: This engine block is compatible with various Chrysler, Dodge, and Plymouth engines, making it a versatile option for many vehicle models.

3. Improved Performance: Upgrading to a newer or more powerful engine block can lead to improved engine performance, increased horsepower, and better fuel efficiency.

4. Affordable: Compared to other aftermarket engine block options, the Mopar R8154340AA block engine is relatively affordable, making it a cost-effective solution for engine rebuilds or upgrades.

1. Limited Availability: Due to its popularity, the Mopar R8154340AA block engine can be difficult to find in stock at local auto parts stores or online marketplaces.

2. Requires Additional Parts: A new engine block is only the foundation of a rebuilt engine. Additional parts such as pistons, cylinder heads, and crankshafts may also need to be replaced, adding to the overall cost.

3. Installation Complexity: Installing a new engine block requires a significant amount of mechanical knowledge and experience, making it a challenging DIY project for some.

4. Potential for Compatibility Issues: Although the Mopar R8154340AA block engine is widely compatible, there is always a risk of compatibility issues with specific vehicle models or engine configurations.

The Mopar R8154340AA block engine offers several advantages such as high-quality construction, wide compatibility, improved performance, and affordability. However, it also comes with some disadvantages such as limited availability, the need for additional parts, installation complexity, and potential compatibility issues. If you are confident in your mechanical skills and have the necessary resources, the Mopar R8154340AA block engine can be a cost-effective and rewarding solution for engine rebuilds or upgrades. Alternatively, you may consider purchasing a complete remanufactured engine or seeking professional engine repair services to ensure a reliable and hassle-free solution. Ultimately, the decision to purchase the Mopar R8154340AA block engine depends on your specific needs, budget, and mechanical expertise.

Details:

Electrical parts are not returnable. SERVICE WARNING: If The Original Engine Has Experienced A Catastrophic Failure - Including Piston, Cylinder Bore, Valve, or Valve Seat The Intake Manifold Must Be Replaced With New. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

For Vehicles Originally Equipped With A Plastic Oil Pan It Is MANDATORY The Replaced Due To Contamination. IMPORTANT PARTS PERSONAL: Your Technician/Customer MUST READ The Enclosed Instruction Sheet K6855858 Included With This Long Block Engine.

part #: r8154340aa prices

• $2344.64-$9023.69

specifications grokengines:

• for makes: Mopar
• for years: 2009-2012
• mpn: R8154340aa
• part type: Block Engine
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Chrysler
• year: 2009 2010 2011 2012
• parts included: Only Part Reference 2 On The Diagram Is Included
• replaces part number: 68259163aa, 68259163ab, R8225254aa

payments grokengines:

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

shipping grokengines:

• cost: $236.00
• class: Freight
• service: Flat Rate Freight
• type: Fixed

general grokengines:

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

returns grokengines:

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

offer grokengines:

• availability: In Stock
• quantity: 1
• started: October 18, 2025
• sold: 0
• options: Ship-to-home

seller grokengines:

• city: Levelland, Texas
• # reviews: 32
• rating: 100.0%

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