11 Ways To Completely Sabotage Your Buy Dodge Ram Engine

March 17, 2026

The Ultimate Guide to Buying a Dodge Ram Replacement Engine

The Dodge Ram, now professionally known merely as the RAM truck, has solidified its location as a foundation of American automobile engineering. Known for its rugged toughness and significant towing capacity, these trucks are frequently driven for hundreds of thousands of miles. However, even the most robust powertrains ultimately yield to wear and tear, high mileage, or mechanical failure. When a RAM owner faces a disastrous engine issue, the decision often comes down to 2 choices: buy a new vehicle or replace the engine.

Offered the increasing costs of modern-day pickup trucks, changing the engine is regularly the more financially sound choice. This guide supplies a thorough expedition of how to navigate the procedure of purchasing a Dodge Ram engine, covering the types of engines offered, sourcing options, and crucial technical factors to consider.

1. Comprehending the Popular Dodge Ram Engine Options

Before searching for a replacement, it is important to identify precisely which engine powers the lorry. Dodge has actually made use of a variety of powertrains over the decades, ranging from fuel-efficient V6s to durable Cummins diesels.

The 5.7 L HEMI V8

Maybe the most renowned engine in the RAM lineup is the 5.7 L HEMI. Famous for its hemispherical combustion chambers, this engine provides a blend of horse power and torque that interest both everyday drivers and those who use their trucks for light-to-medium towing. Purchasers should know particular iterations, such as those including Multi-Displacement Systems (MDS) or Variable Valve Timing (VVT).

The 6.7 L Cummins Turbo Diesel

For sturdy RAM 2500 and 3500 designs, the Cummins inline-six diesel motor is the gold requirement. Understood for severe longevity and huge torque output, replacing among these engines is a considerable financial investment but can include another years or more to the truck's operational life.

The 3.6 L Pentastar V6

Found in numerous late-model RAM 1500s, this engine is designed for fuel efficiency and reliability. While it lacks the raw power of the V8 or Diesel, it is a popular choice for fleet vehicles and commuters.

Technical Comparison Table

The following table highlights the specs of the most common engines discovered in the Dodge Ram lineup over the last decade.

Engine Type

Displacement

Configuration

Horse Power (Approx.)

Torque (lb-ft)

Fuel Type

Pentastar

3.6 L

305 hp

269 lb-ft

Gasoline

HEMI

5.7 L

395 hp

410 lb-ft

Gasoline

HEMI (Heavy Duty)

6.4 L

410 hp

429 lb-ft

Gasoline

Cummins

5.9 L (Older)

325 hp

610 lb-ft

Diesel

Cummins

6.7 L

370— 420 hp

850— 1,075 lb-ft

Diesel

2. Picking the Right Replacement Category

When wanting to buy a Dodge Ram engine, the buyer must select in between 3 main classifications: New (Crate), Remanufactured, or Used. Each has its own set of advantages and downsides.

New (Crate) Engines

A “cage engine” is a new engine made by Mopar (the parts division for RAM). This is the most pricey path however uses the highest level of security.

Pros: Zero miles, complete producer warranty, factory-fresh parts.
Cons: Extremely high price point, might surpass the value of an older truck.

Remanufactured Engines

Remanufactured engines are frequently thought about the “sweet area” for a lot of RAM owners. These engines are disrobed to the block, cleaned up, and rebuilt with brand-new or machined parts to meet or surpass original equipment maker (OEM) specs.

Pros: Corrects known factory problems (like the “HEMI tick”), consists of a guarantee (often 3 years/100,000 miles), and is substantially more affordable than a new engine.
Cons: Quality depends greatly on the credibility of the remanufacturer.

Utilized Engines

Sourced from salvage lawns or donor automobiles, used engines are the most affordable alternative.

Pros: Lowest expense, frequently includes accessories like the generator or consumption manifold.
Cons: High danger, minimal or no warranty, unknown maintenance history.
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3. Key Factors to Consider Before Purchase

Buying an engine is a complicated transaction. To guarantee compatibility and longevity, a number of elements need to be verified before any money changes hands.

The VIN Check

The Vehicle Identification Number (VIN) is the most dependable method to recognize the appropriate engine. The 8th digit of a RAM's VIN specifically denotes the engine code. When communicating with sellers, supplying the VIN ensures the engine's sensing units, electrical wiring harnesses, and mounting points will match the truck.

The “Core Charge”

Most trusted engine sellers need a “core charge.” This is a deposit paid at the time of purchase which is reimbursed as soon as the buyer sends their old, damaged engine back to the seller. This allows remanufacturers to recycle the engine blocks. For a heavy Cummins engine, shipping a core back can be pricey, so purchasers should ask if the seller covers return freight.

Service warranty Terms

Not all guarantees are developed equal. A buyer must search for:

Nationwide Coverage: Ensures the engine can be fixed at any shop if the truck breaks down while traveling.
Labor Claims: Does the guarantee pay the mechanic for the time spent changing a defective engine, or does it only offer the replacement part?
Transferability: If the truck is sold, does the warranty pass to the new owner?

4. Checklist for Buying a Dodge Ram Engine

To streamline the process, buyers need to make use of a checklist to vet possible suppliers and engines.

Verify the Engine Code: Match the 8th digit of the VIN.
Ask about Testing: For utilized engines, ask for compression test results or “run videos.” For remanufactured engines, inquire about “sim-testing.”
Examine the Seller: Check online evaluations and BBB rankings of the engine supplier.
Confirm Shipping Details: Does the cost consist of residential delivery or “liftgate” service?
Recognize Included Parts: Does the engine come “long block” (block and heads) or “short block” (just the block)?
Evaluation the Core Return Policy: Understand the timeline and shipping costs for returning the old engine.
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5. Potential Installation Extras

When replacing a Dodge Ram engine, it is seldom practically the engine itself. Typically, several auxiliary elements ought to be replaced at the same time to avoid old parts from damaging the brand-new financial investment.

Water Pump and Thermostat: These are reasonably affordable and much easier to install while the engine is out.
Stimulate Plugs and Ignition Coils: Ensuring a fresh ignition system assists the new engine run efficiently from the first day.
Gaskets and Seals: Specifically, the rear primary seal (if not already installed) and exhaust manifold gaskets.
Fluids and Filters: New oil, coolant, and transmission fluid are mandatory.
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6. Often Asked Questions (FAQ)

How much does it cost to change a Dodge Ram engine?

The cost differs considerably based upon the engine type. A secondhand 5.7 L HEMI may cost between ₤ 2,500 and ₤ 4,500, while a remanufactured variation averages ₤ 4,000 to ₤ 6,000. Cummins diesel motor are considerably more costly, frequently varying from ₤ 7,000 to ₤ 12,000. Labor expenses usually add another ₤ 1,500 to ₤ 3,000.

What is the “HEMI Tick,” and should I be worried?

The “HEMI tick” is a typical sound in 5.7 L and 6.4 L engines, frequently triggered by damaged manifold bolts or seized lifter rollers that harm the camshaft. If buying a remanufactured engine, numerous builders use updated materials and lifters to prevent this problem from repeating.

Is it better to reconstruct my current engine or purchase a replacement?

Rebuilding an engine in your area can be lengthy and often does not have the thorough service warranty of a large-scale remanufacturer. Buying a ready-to-install engine is typically faster and offers more foreseeable outcomes.

For how long does it require to swap a RAM engine?

For an expert store, a standard gas engine swap takes between 15 and 25 labor hours. Diesel motor may take longer due to their weight and the intricacy of the turbo and emissions systems.

Can I upgrade to a bigger engine (e.g., V6 to V8)?

While possible, it is not advised for a lot of buyers. Swapping from a V6 to a V8 involves altering the transmission, wiring harness, engine control module (ECM), and cooling system. It is generally more cost-efficient to purchase a truck that initially featured the larger engine.

7. Conclusion

Buying a replacement engine for a Dodge Ram is a substantial endeavor, however it is one that can revive a trusted lorry. By understanding the differences in between new, remanufactured, and used units, and by meticulously verifying compatibility through the VIN, truck owners can avoid typical risks. While the initial financial investment may appear high, the result is a reliable powerhouse capable of carrying out for many years to come. Whether the goal is to keep a workhorse on the job or a treasured HEMI on the roadway, comprehensive research and a concentrate on quality will constantly yield the very best roi.