What The 10 Most Worst Buy Dodge Ram Truck Engine Failures Of All Time Could Have Been Prevented

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What The 10 Most Worst Buy Dodge Ram Truck Engine Failures Of All Time Could Have Been Prevented

The Comprehensive Guide to Buying a Dodge Ram Truck Engine

For years, the Dodge Ram (now just called RAM) has stood as a titan in the American pickup truck market. Known for its rugged building and enormous towing capacity, the heart of every Ram truck is its engine. However, even the most long lasting powerplants ultimately catch high mileage, mechanical failure, or the wear and tear of sturdy labor. When a Ram engine reaches completion of its life expectancy, owners deal with a vital choice: repair work, change, or ditch the vehicle.

For the majority of owners, replacing the engine is the most economical way to keep a trusted car on the road. This guide supplies an in-depth appearance at whatever one needs to know when buying a Dodge Ram truck engine, from identifying the right model to selecting in between brand-new, remanufactured, and used alternatives.


1. Understanding the Ram Engine Lineup

Before initiating a purchase, it is important to recognize which engine is currently in the lorry. Dodge and RAM have used several iconic engines throughout the years, each with specific efficiency qualities and compatibility requirements.

The 5.7 L HEMI ® V8

The 5.7 L HEMI is maybe the most well-known engine in the lineup. Understood for its hemispherical combustion chambers, it offers a balance of high horse power and significant torque. It is a staple in the Ram 1500 and 2500 series.

The 3.6 L Pentastar ™ V6

For those prioritizing fuel efficiency without sacrificing utility, the Pentastar V6 is the go-to. Often coupled with eTorque mild-hybrid innovation in later designs, this engine is typical in light-duty Ram 1500 trucks.

The 6.7 L Cummins ® Turbo Diesel

In the durable sector (Ram 2500 and 3500), the Cummins inline-six diesel motor rules supreme. It is valued for its durability and its capability to produce enormous quantities of low-end torque for towing.

The 4.7 L Magnum V8 and 3.7 L PowerTech V6

Found in older models (early 2000s to early 2010s), these engines were the workhorses of their era. While  Dodge Ram 1500 Engine Part USA  in production, they remain extensively available on the secondary market.


When shopping for a replacement, understanding the output and application of the engine is vital. The following table highlights the specs for the most typical modern Ram engines.

Engine TypeFuel TypeDisplacementHorse Power (Approx.)Torque (lb-ft)Common Applications
Pentastar V6Gas3.6 L305 hp269 lb-ftRam 1500 (2013-Present)
HEMI V8Gasoline5.7 L395 hp410 lb-ftRam 1500, 2500 (2003-Present)
HEMI V8Gas6.4 L410 hp429 lb-ftRam 2500, 3500 (2014-Present)
Cummins I6Diesel6.7 L370-- 420 hp850-- 1,075 lb-ftRam 2500, 3500 (2007-Present)
Magnum V8Gasoline4.7 L235-- 310 hp295-- 330 lb-ftRam 1500 (2002-2013)

3. Acknowledging the Signs for Engine Replacement

Acquiring a new engine is a considerable financial investment. It is essential to verify that the existing engine is really beyond repair. Common symptoms that suggest a replacement is required consist of:

  • Excessive Oil Consumption: If the truck requires frequent top-offs without noticeable external leakages, internal seals or piston rings may have failed.
  • Engine Knocking: A loud, metal "knocking" or "tapping" sound normally shows used rod bearings or major internal damage.
  • Blue or White Exhaust Smoke: Persistent blue smoke shows burning oil, while thick white smoke suggests a blown head gasket or broken block allowing coolant into the combustion chamber.
  • Loss of Compression: If the engine struggles to begin or does not have power, a compression test might reveal that the cylinders are no longer sealing properly.
  • Metal Shavings in Oil: Finding metal shine or fragments during an oil change is a conclusive indication of internal component disintegration.

4. Buying Options: New, Remanufactured, or Used?

Prospective buyers need to weigh the pros and cons of 3 primary sourcing approaches. The option frequently depends upon the truck's age, the owner's spending plan, and the intended usage of the lorry.

New "Crate" Engines

A crate engine is a new assembly from the manufacturer (Mopar).

  • Pros: Zero miles, maximum durability, and an extensive factory guarantee.
  • Cons: The most pricey option; might exceed the total worth of older trucks.

Remanufactured Engines

These are pre-owned engines that have been completely taken apart, cleaned up, and rebuilt to original equipment maker (OEM) specifications. Low-grade parts are changed with brand-new ones.

  • Pros: Generally includes a 1-to-3-year guarantee; significantly more affordable than brand-new; high reliability.
  • Cons: Quality depends greatly on the company doing the remanufacturing.

Utilized Engines (Salvage Yards)

These are engines pulled directly from damaged or scrapped vehicles.

  • Pros: The least pricey course; ideal for older trucks or budget-conscious repair work.
  • Cons: High threat; variable mileage; usually includes a really short "startup" warranty (30-- 90 days).

5. Cost Considerations

The cost of a Dodge Ram engine varies significantly based on the engine type and the condition. Diesel engines, particularly the Cummins, command a much higher price point due to their complexity and durability.

Engine CategoryApproximated Price (Used)Estimated Price (Remanufactured)
3.6 L Pentastar V6₤ 1,500-- ₤ 2,500₤ 3,500-- ₤ 4,500
5.7 L HEMI V8₤ 2,000-- ₤ 4,000₤ 4,500-- ₤ 6,500
6.7 L Cummins Diesel₤ 5,000-- ₤ 9,000₤ 9,000-- ₤ 14,000

Keep in mind: Prices are estimates for the long block (the engine block and heads) and do not include labor for setup.


6. What to Check Before You Buy

To guarantee a smooth transition and avoid the "wrong engine" headache, buyers must carry out the following checks:

  1. VIN Verification: Always provide the seller with the automobile's 17-digit VIN. This makes sure the engine's harness, sensors, and mounting points match the chassis.
  2. Core Charge Awareness: Many sellers of remanufactured engines require a "core charge." This indicates the buyer needs to send their old, broken engine back to the seller, or pay an additional charge (varying from ₤ 500 to ₤ 2,000+).
  3. Shipping Logistics: Engines are heavy and should be delivered by means of freight. Validate if the rate includes shipping to a domestic address or an industrial store with a forklift.
  4. Included Components: Determine if the purchase is a "long block" (block and heads) or a "complete" engine (consisting of intake manifold, fuel injectors, and water pump).

7. Finest Practices for Post-Installation

As soon as the new engine is installed, the work is not yet completed. Appropriate break-in and maintenance are important to safeguarding the investment.

  • Follow the Break-In Procedure: For new or remanufactured engines, prevent heavy towing or high-speed driving for the first 500 to 1,000 miles.
  • Early Oil Change: It is standard practice to change the oil and filter after the first 500 miles to remove any tiny metallic particles shed during the preliminary "wearing-in" of the elements.
  • Cooling System Refresh: When replacing an engine, it is highly advised to install a brand-new radiator and water pump. An old, stopped up radiator is a leading cause of premature failure in replacement engines.

FAQ: Frequently Asked Questions

How long does a Dodge Ram engine generally last?

Gas engines like the 5.7 L HEMI generally last in between 200,000 and 250,000 miles with proper upkeep. The 6.7 L Cummins diesel is understood to go beyond 350,000 to 500,000 miles.

Is it tough to switch a V6 Ram engine for a V8 HEMI?

While physically possible, it is incredibly challenging and costly. It needs a different transmission, engine circuitry harness, Engine Control Module (ECM), and cooling system components. It is almost constantly more cost-efficient to buy a V8 truck.

What is the "HEMI Tick," and does it mean I need a new engine?

The "HEMI Tick" is typically triggered by broken manifold bolts or worn lifters. If it is simply the manifold bolts, it is a basic fix. Nevertheless, if the lifter has actually failed and harmed the camshaft, a top-end rebuild or complete engine replacement might be necessary.

Will a newer model Ram engine fit in my older Ram?

Not necessarily. While the block may be the very same, modifications in sensor types (e.g., crank position sensing units), EGR systems, and computer protocols (CAN bus shifts) frequently make cross-generational swaps very complicated.

Does a replacement engine affect the truck's resale value?

If a top quality remanufactured engine with paperwork is used, it can in fact preserve or slightly increase the value of a high-mileage truck. Nevertheless, a "scrap yard" swap without any documents may prevent future buyers.


Buying a replacement Dodge Ram truck engine is a major undertaking that requires careful research and monetary planning. By comprehending the particular requirements of the lorry, comparing the costs of new versus remanufactured units, and guaranteeing an expert installation, owners can restore their truck to its previous glory. Whether it is the famous roar of a 5.7 L HEMI or the industrial power of a Cummins diesel, the right engine option ensures that the Ram remains on the roadway for a lot more miles of hard work.