Five People You Need To Know In The Buy Dodge Ram Engine Industry

March 19, 2026

The Ultimate Guide to Buying a Dodge Ram Replacement Engine

The Dodge Ram, now expertly understood simply as the RAM truck, has solidified its place as a foundation of American automobile engineering. Known for its rugged resilience and considerable towing capability, these trucks are typically driven for hundreds of thousands of miles. However, even the most robust powertrains eventually catch wear and tear, high mileage, or mechanical failure. When a RAM owner deals with a catastrophic engine concern, the decision typically boils down to 2 options: purchase a new car or replace the engine.

Provided the escalating costs of modern-day pickup, replacing the engine is frequently the more economically sound decision. This guide provides an extensive exploration of how to navigate the process of buying a Dodge Ram engine, covering the types of engines readily available, sourcing alternatives, and crucial technical considerations.

1. Comprehending the Popular Dodge Ram Engine Options

Before looking for a replacement, it is crucial to identify exactly which engine powers the automobile. Dodge has actually used a variety of powertrains over the years, ranging from fuel-efficient V6s to durable Cummins diesels.

The 5.7 L HEMI V8

Perhaps the most iconic engine in the RAM lineup is the 5.7 L HEMI. Famous for its hemispherical combustion chambers, this engine offers a mix of horsepower and torque that interest both daily motorists and those who utilize their trucks for light-to-medium towing. Buyers ought to know particular iterations, such as those including Multi-Displacement Systems (MDS) or Variable Valve Timing (VVT).

The 6.7 L Cummins Turbo Diesel

For durable RAM 2500 and 3500 models, the Cummins inline-six diesel motor is the gold standard. Known for severe durability and massive torque output, changing among these engines is a significant financial investment but can add another decade or more to the truck's operational life.

The 3.6 L Pentastar V6

Discovered in many late-model RAM 1500s, this engine is developed for fuel performance and reliability. While it does not have 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

Setup

Horsepower (Approx.)

Torque (lb-ft)

Fuel Type

Pentastar

3.6 L

305 hp

269 lb-ft

Gas

HEMI

5.7 L

395 hp

410 lb-ft

Gas

HEMI (Heavy Duty)

6.4 L

410 hp

429 lb-ft

Fuel

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 pick in between 3 main classifications: New (Crate), Remanufactured, or Used. Each has its own set of benefits and downsides.

New (Crate) Engines

A “crate engine” is a brand-new engine made by Mopar (the parts division for RAM). This is the most costly route but uses the highest level of security.

Pros: Zero miles, complete producer warranty, factory-fresh components.
Cons: Extremely high price point, may go beyond the worth of an older truck.

Remanufactured Engines

Remanufactured engines are frequently considered the “sweet area” for many RAM owners. These engines are stripped down to the block, cleaned up, and rebuilt with brand-new or machined parts to meet or surpass original equipment maker (OEM) requirements.

Pros: Corrects known factory flaws (like the “HEMI tick”), includes a warranty (often 3 years/100,000 miles), and is substantially less expensive than a new engine.
Cons: Quality depends heavily on the credibility of the remanufacturer.

Used Engines

Sourced from salvage backyards or donor cars, utilized engines are the most budget-friendly option.

Pros: Lowest expense, often includes accessories like the generator or intake manifold.
Cons: High threat, restricted or no guarantee, unidentified maintenance history.
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3. Secret Factors to Consider Before Purchase

Buying an engine is an intricate deal. To make sure compatibility and durability, several factors must be verified before any cash changes hands.

The VIN Check

The Vehicle Identification Number (VIN) is the most dependable method to determine the right engine. The 8th digit of a RAM's VIN specifically represents the engine code. When communicating with sellers, providing the VIN guarantees the engine's sensing units, wiring harnesses, and mounting points will match the truck.

The “Core Charge”

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

Service warranty Terms

Not all service warranties are developed equivalent. A purchaser needs to look for:

Nationwide Coverage: Ensures the engine can be repaired at any store if the truck breaks down while traveling.
Labor Claims: Does the guarantee pay the mechanic for the time spent replacing a malfunctioning engine, or does it only supply the replacement part?
Transferability: If the truck is sold, does the guarantee pass to the new owner?

4. List for Buying a Dodge Ram Engine

To simplify the process, buyers should utilize a list to vet potential providers and engines.

Validate the Engine Code: Match the 8th digit of the VIN.
Ask about Testing: For used engines, request for compression test results or “run videos.” For remanufactured engines, inquire about “sim-testing.”
Assess the Seller: Check online reviews and BBB rankings of the engine supplier.
Confirm Shipping Details: Does the rate include property delivery or “liftgate” service?
Identify Included Parts: Does the engine come “long block” (block and heads) or “short block” (simply the block)?
Evaluation the Core Return Policy: Understand the timeline and shipping costs for returning the old engine.
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5. Prospective Installation Extras

When changing a Dodge Ram engine, it is hardly ever almost the engine itself. Normally, a number of auxiliary components should be replaced simultaneously to avoid old parts from harming the brand-new financial investment.

Water Pump and Thermostat: These are relatively inexpensive and much easier to set up 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 set up) and exhaust manifold gaskets.
Fluids and Filters: New oil, coolant, and transmission fluid are compulsory.
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6. Often Asked Questions (FAQ)

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

The expense differs substantially based upon the engine type. A secondhand 5.7 L HEMI might cost between ₤ 2,500 and ₤ 4,500, while a remanufactured variation averages ₤ 4,000 to ₤ 6,000. Cummins diesel engines are substantially more expensive, frequently ranging from ₤ 7,000 to ₤ 12,000. Labor expenses normally include another ₤ 1,500 to ₤ 3,000.

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

The “HEMI tick” is a common sound in 5.7 L and 6.4 L engines, frequently triggered by damaged manifold bolts or took lifter rollers that harm the camshaft. If purchasing learn more remanufactured engine, numerous home builders utilize upgraded materials and lifters to prevent this concern from repeating.

Is it better to restore my existing engine or buy a replacement?

Reconstructing an engine locally can be time-consuming and often lacks the comprehensive guarantee of a massive remanufacturer. Purchasing a ready-to-install engine is usually faster and supplies more foreseeable results.

How long does it take to switch a RAM engine?

For a professional shop, a basic gasoline engine swap takes in between 15 and 25 labor hours. Diesel motor may take longer due to their weight and the complexity of the turbo and emissions systems.

Can I update to a larger engine (e.g., V6 to V8)?

While possible, it is not advised for many buyers. Swapping from a V6 to a V8 includes changing the transmission, wiring harness, engine control module (ECM), and cooling system. It is practically always more economical to buy a truck that originally came with the bigger engine.

7. Conclusion

Buying a replacement engine for a Dodge Ram is a considerable endeavor, but it is one that can revive a relied on car. By comprehending the differences between brand-new, remanufactured, and utilized units, and by diligently verifying compatibility through the VIN, truck owners can avoid typical pitfalls. While the preliminary financial investment may seem high, the result is a trusted powerhouse capable of performing for lots of years to come. Whether the objective is to keep a workhorse on the job or a prized HEMI on the road, extensive research study and a focus on quality will constantly yield the finest return on investment.