MOPAR R8312664AA Block Engine

( Manufacturer Part Number: R8312664AA ), ( Part Type: Block Engine ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 2 On The Diagram Is Included )

Review MOPAR Genuine Long Block Engine Remanufactured

The Mopar R8312664AA Block Engine is a high-performance replacement engine designed for select Chrysler, Dodge, and Jeep vehicles. This engine block is manufactured with exceptional precision and attention to detail, ensuring a perfect fit and optimal engine performance.

The Mopar R8312664AA Block Engine features a cast iron construction that provides superior strength and durability. Its design includes a deep skirt for increased rigidity and enhanced power handling capabilities. The engine block also includes a three-bolt main bearing cap design that distributes load evenly and reduces stress on the crankshaft, leading to improved engine life and reliability.

The Mopar R8312664AA Block Engine has been engineered with advanced technologies, including a press-in cylinder liner design that ensures a perfect seal and eliminates the need for costly and time-consuming honing. The engine block also includes a quad-cam design, which allows for improved valve control and better engine breathing, leading to increased horsepower and torque.

The Mopar R8312664AA Block Engine is designed to meet or exceed OEM specifications for performance and durability. It is also backed by Mopar's industry-leading warranty, providing peace of mind and protection against any defects in material or workmanship.

In summary, the Mopar R8312664AA Block Engine is a high-performance replacement engine block that offers superior strength, durability, and advanced technologies. Its precise fit, deep skirt design, three-bolt main bearing cap, press-in cylinder liner, and quad-cam design make it an excellent choice for those seeking to improve the performance and reliability of their Chrysler, Dodge, or Jeep vehicle.

Buying a Mopar R8312664AA block engine comes with several pros and cons that are essential to consider before making a purchase. Here's a detailed analysis of each:

1. High-Quality: Mopar is a renowned brand in the automotive industry, and this engine block is no exception. It is made using high-quality materials and manufacturing processes, ensuring durability and reliability.

2. Compatibility: This engine block is specifically designed for Chrysler 3.6L Pentastar engines. It is a direct fit, eliminating the need for modifications or custom fabrication.

3. Performance: The Mopar R8312664AA block engine is known for its superior performance. It offers increased horsepower and torque, resulting in better acceleration and overall performance.

4. Durability: The engine block is designed to withstand the rigors of high-performance applications. It has reinforced areas and is made using stronger materials, ensuring that it can handle more power and stress.

5. Warranty: Mopar offers a limited warranty on this engine block, providing peace of mind to buyers.

1. Cost: The Mopar R8312664AA block engine is more expensive than some aftermarket alternatives. The cost difference may be a significant factor for some buyers.

2. Availability: Due to its high demand and popularity, this engine block may be difficult to find in some areas. Buyers may need to search extensively or order it online.

3. Complex Installation: Installing a new engine block is a complex process that requires specialized tools and knowledge. It may be necessary to hire a professional mechanic to install the engine block, adding to the overall cost.

The Mopar R8312664AA block engine offers several advantages, including high-quality, compatibility, performance, durability, and a warranty. However, it also comes with some disadvantages, such as cost, availability, and complex installation.

If you're looking for a high-performance engine block for your Chrysler 3.6L Pentastar engine and are willing to pay a premium price, the Mopar R8312664AA block engine is an excellent choice. However, if cost is a significant factor, you may want to consider alternative options from aftermarket manufacturers. Regardless of your decision, make sure to do thorough research and consult with a professional mechanic before making a purchase.

Details:

Parts must be resalable and in the original packaging. SERVICE WARNING: If The Original Engine Has Experienced A Catastrophic Failure - Including Piston, Cylinder Bore, Valve, or Valve Seat Intake Manifold Must Be Replaced With New. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. 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.

Select your vehicle to ensure guaranteed fit. Electrical parts are not returnable.

part #: r8312664aa prices

• $2295.00-$3044.96

specifications grokengines:

• for makes: Mopar
• mpn: R8312664aa
• part type: Block Engine
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 2 On The Diagram Is Included

payments grokengines:

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

offer grokengines:

• quantity: 1
• options: Ship-to-home
• started: February 1, 2026
• availability: In Stock
• sold: 0

shipping grokengines:

• service: Flat Rate Freight
• class: Freight
• cost: $4882.50
• type: Fixed

general grokengines:

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

returns grokengines:

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

seller grokengines:

• # reviews: 19122
• rating: 98.4%
• city: Garland, Texas

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