1. Car & Truck Engines Used/New Products
  2. sku: 4838972911598504
  3. MOPAR R8154343AA

MOPAR R8154343AA Block Engine

fits model: 2500. make: Mopar. year: 2012.

R8154343aa Mopar Genuine Long Block Engine Remanufactured

( Manufacturer Part Number: R8154343AA ), ( Part Type: Block Engine ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Ram ), ( Replaces Part Number: 68293551aa, 68293551ab )

Review MOPAR Genuine Long Block Engine Remanufactured fits 2500 2012

The Mopar R8154343AA Block Engine is a high-performance replacement engine specifically designed for Dodge and Plymouth B-Series engines. This engine block is meticulously engineered to deliver superior power and durability, making it an excellent choice for enthusiasts seeking to enhance the performance of their classic or muscle car.

The R8154343AA Block Engine is a cast iron unit, boasting a modern four-bolt main bearing design. This feature enhances the engine's rigidity and stability, reducing vibrations and improving overall performance. The block also includes a deep-sump oil pan, ensuring ample oil capacity and keeping the engine well lubricated even during high-RPM driving.

One of the most significant benefits of this engine block is its increased bore size. At 4.260 inches, it offers a larger displacement than the original, resulting in more power and torque. Additionally, the cylinder bores have been shot-peened and nitrided, a process that strengthens the metal and reduces the risk of cylinder wall failure.

The Mopar R8154343AA Block Engine also features a new oiling system, which includes an improved oil pump and passages. This system ensures that the engine receives a consistent oil supply, even under heavy load, reducing wear and extending the engine's lifespan. Furthermore, the engine block includes a new water pump housing, which simplifies the installation process and allows for easier access to the water pump.

The R8154343AA Block Engine is precision-machined and thoroughly inspected to ensure a perfect fit and optimal performance. It is designed to be a direct replacement for the original engine block, making installation straightforward and hassle-free. Additionally, it comes with a factory-new crankshaft and rods, ensuring a perfect balance and smooth operation.

In summary, the Mopar R8154343AA Block Engine is a high-performance replacement engine block designed for Dodge and Plymouth B-Series engines. It boasts a modern four-bolt main bearing design, increased bore size, improved oiling system, and a simplified installation process. This engine block delivers superior power and durability, making it an excellent choice for enthusiasts seeking to enhance the performance of their classic or muscle car.

Buying a Mopar R8154343AA block engine comes with several advantages and disadvantages that every potential buyer should consider before making a purchase. Here are some pros and cons to help you make an informed decision.

Pros:

1. OEM Quality: This engine block is an original equipment manufacturer (OEM) part produced by Mopar, which means it is built to the same specifications and quality standards as the engine blocks used in new Dodge, Chrysler, and Jeep vehicles.

2. Durability: Mopar engine blocks are known for their durability and strength, which is essential for high-performance applications.

3. Availability: Aftermarket engine blocks can sometimes be difficult to find, but Mopar parts are widely available through authorized dealers and online retailers.

4. Warranty: Buying a new Mopar engine block comes with a warranty, providing peace of mind and protection against any defects.

Cons:

1. Cost: Mopar parts can be more expensive than aftermarket alternatives. The cost of a new engine block can be a significant investment, especially for those on a tight budget.

2. Installation: Installing a new engine block requires specialized skills and tools, which can add to the overall cost of the project.

3. Complexity: Engine blocks are just one component of an engine system. Replacing an engine block may require additional repairs or upgrades to other engine components to ensure optimal performance.

Conclusion:

A Mopar R8154343AA engine block is a high-quality, durable component that offers several advantages for those seeking to upgrade or repair their engine. However, the cost and complexity of the installation process are important considerations. If you have the budget and the necessary skills, a new Mopar engine block can be an excellent investment for your vehicle. On the other hand, if cost is a significant factor, you may want to explore aftermarket alternatives or consider having the existing engine block repaired instead. Ultimately, the decision to buy a Mopar engine block depends on your specific needs, budget, and technical capabilities.

Details:

In stock orders ship within 48 hours. Electrical parts are not returnable. Genuine Mopar Long Block Engine, Remanufactured R8154343AA: Parts: 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.

part #: r8154343aa prices

  • $3220.00-$7931.41

specifications grokengines:

  • for models: 2500
  • for makes: Mopar
  • for years: 2012
  • mpn: R8154343aa
  • part type: Block Engine
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Ram
  • replaces part number: 68293551aa, 68293551ab

payments grokengines:

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

shipping grokengines:

  • type: Fixed
  • cost: $240.00
  • class: Freight
  • service: Flat Rate Freight

general grokengines:

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

seller grokengines:

  • rating: 88.1%
  • city: Norco, California
  • # reviews: 45

returns grokengines:

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

offer grokengines:

  • sold: 0
  • started: May 24, 2025
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
for models: 2500, for makes: mopar, for years: 2012, part type: block engine, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, replaces part number: 68293551aa, 68293551ab,
manufacturer: ram, category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 4838972911598504,

Mopar R8154343AA Is Similar To:

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  • Offer #2: $3220.00 price + $1159.20 shipping estimate = $4379.20* total. About the Part. Part Number:.+$1159.20 shipping

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