The Most Pervasive Problems With Buy Dodge Ram Truck Engine

The Most Pervasive Problems With Buy Dodge Ram Truck Engine

The Ultimate Guide to Buying a Dodge Ram Truck Engine: Everything You Need to Know

For decades, the Ram truck-- previously the Dodge Ram-- has stood as a titan of American engineering. Understood for its rugged ability, hauling power, and distinct styling, a Ram truck is often a lifelong companion for its owner. Nevertheless, even the most durable machines reach a point where the heart of the car-- the engine-- begins to fail. Whether it is due to high mileage, catastrophic mechanical failure, or a desire for a performance upgrade, buying a replacement engine is a significant financial investment.

This guide provides a thorough introduction for those looking to buy a Dodge Ram truck engine, covering the types of engines available, the differences between reaching for brand-new versus utilized, and the technical requirements required to make a notified decision.


Understanding the Ram Engine Lineup

Before proceeding with a purchase, it is important to understand which engine belongs in which generation of the Ram truck. For many years, Chrysler (and consequently Stellantis) has actually refined its lineup to include high-displacement V8s, fuel-efficient V6s, and world-renowned diesel powerhouses.

1. The Legendary 5.7 L HEMI ® V8

The HEMI is maybe the most renowned engine associated with the Ram 1500. Given that its reintroduction in 2003, it has actually become synonymous with "Mopar" power. It features a hemispherical combustion chamber that permits much better airflow and higher pressure, resulting in excellent horse power and torque.

2. The 6.7 L Cummins ® Turbo Diesel

For those who own a Ram 2500 or 3500 Heavy Duty, the Cummins engine is the gold requirement. Understood for its severe longevity and massive torque output, it is the favored option for heavy towing and industrial work.

3. The 3.6 L Pentastar ™ V6

Introduced as a more fuel-efficient option for the light-duty Ram 1500, the Pentastar V6 utilizes variable valve timing (VVT) to balance power and economy. It is an exceptional choice for drivers who utilize their trucks as day-to-day commuters instead of durable workhorses.

4. The 4.7 L Magnum V8

Found regularly in older 2000s designs, the 4.7 L Magnum was a precursor to the widespread usage of the 5.7 L HEMI. While less effective, numerous of these trucks remain on the road, creating a stable demand for replacement Magnum engines.


Technical Specifications Comparison

When purchasing a replacement engine, matching the specs to your truck's requirements is non-negotiable. Below is a contrast of the most common engines discovered in Ram trucks over the last 20 years.

Engine TypeDisplacementFuel TypeTypical HorsepowerTypical TorqueFinest Use Case
Pentastar V63.6 LGasoline305 hp269 lb-ftLight task, fuel economy
Magnum V84.7 LFuel235 - 310 hp295 - 330 lb-ftMid-range older models
HEMI V85.7 LGas345 - 395 hp375 - 410 lb-ftGeneral towing, efficiency
HEMI V86.4 LGas410 hp429 lb-ftSturdy work (Gas)
Cummins I66.7 LDiesel370 - 420 hp850 - 1,075 lb-ftSevere towing, durability

New, Remanufactured, or Used: Which is Right for You?

One of the most vital choices in the purchasing process is the "condition" classification of the engine. Each includes its own set of advantages and disadvantages relating to cost and reliability.

New Engines (Crate Engines)

Buying a new "dog crate" engine straight from Mopar or authorized dealerships guarantees that every element is fresh from the factory.

  • Pros: Maximum lifespan, zero miles, extensive factory guarantee.
  • Cons: The most expensive choice; may go beyond the total market value of an older truck.

Remanufactured Engines

A remanufactured engine is a used engine that has been totally disassembled, cleaned up, and inspected. Any worn parts are replaced with brand-new elements, and the engine is machined to fulfill original equipment producer (OEM) requirements.

  • Pros: Often indistinguishable from new performance-wise, normally consists of a multi-year service warranty, more inexpensive than brand-new.
  • Cons: Quality depends heavily on the business doing the remanufacturing.

Used Engines (Recycled)

These are pulled directly from donor vehicles-- usually trucks that were included in mishaps however had operating engines.

  • Pros: The least costly method to get a truck back on the roadway.
  • Cons: Unknown history, limited warranty (frequently 30-- 90 days), danger of undiagnosed internal wear.

Vital Checklist Before You Buy

To make sure a smooth deal and prevent the purchase of an incompatible motor, follow this necessary checklist.

  1. Verify the VIN (Vehicle Identification Number): The 8th digit of your VIN is the engine code. Constantly supply  Dodge Ram 1500 Engine Part  to the seller to ensure the displacement and configuration match your truck's computer system.
  2. Inspect for "Long Block" vs. "Short Block":
  • A Short Block includes the block, crankshaft, pistons, and linking rods.
  • A Long Block consists of everything in the short block plus the cylinder heads, camshaft, and valvetrain. The majority of purchasers choose a Long Block for a simpler setup.
  1. Verify the "Core Charge": Most sellers need you to return your old, damaged engine (the "core"). If you do not, you will likely be charged a core charge varying from ₤ 500 to ₤ 2,000.
  2. Examine the Warranty Terms: Does the guarantee cover labor costs if the replacement engine stops working, or simply the parts? This is an important difference for those paying a mechanic for installation.
  3. Review Maintenance Records: If purchasing a used engine, ask for the CARFAX of the donor automobile or evidence of oil changes.

Caution Signs That You Need a New Engine

Before devoting to a multi-thousand-dollar purchase, ensure your existing engine can not be conserved by easier repairs. Common signs that a Ram engine is beyond repair work include:

  • The "HEMI Tick": While sometimes just a manifold bolt problem, a loud, constant metallic ticking can signify lifter failure and camshaft damage.
  • Extreme Oil Consumption: If the engine is burning through quarts of oil without a visible leak, the piston rings or valve seals are likely stopping working.
  • Metal Shavings in Oil: Finding "shine" or metal flakes during an oil modification indicates that internal bearings are disintegrating.
  • Coolant in the Oil: A milky "chocolate milk" look on the dipstick suggests a cracked block or a blown head gasket.

Frequently Asked Questions (FAQ)

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

Depending upon the year and engine type, costs generally range from ₤ 4,000 to ₤ 12,000. A used 4.7 L engine may be on the lower end, while a remanufactured 6.7 L Cummins diesel can quickly surpass ₤ 10,000 for the system alone. Labor expenses typically add another ₤ 1,500 to ₤ 3,000.

Can I swap a V6 for a V8 HEMI?

While a "HEMI swap" is physically possible, it is technically complicated. It needs not only the engine however also a new transmission, wiring harness, engine control module (ECM), and cooling system components. It is practically always more affordable to sell the V6 truck and purchase a V8-equipped model.

The length of time do Cummins engines normally last?

With appropriate upkeep, a 6.7 L Cummins engine can last 300,000 to 500,000 miles. On the other hand, a gasoline 5.7 L HEMI usually lasts between 200,000 and 250,000 miles before requiring considerable overhaul.

Is the 5.7 L HEMI a reliable engine?

Yes, it is thought about one of the most trustworthy V8s on the marketplace. Nevertheless, it is delicate to oil change intervals. Utilizing the wrong viscosity or disregarding oil changes can lead to early wear of the Multi-Displacement System (MDS) lifters.


Buying a replacement engine for a Dodge Ram is a major endeavor, however it is often the most sensible path to extending the life of a relied on car. By comprehending the specifications of your particular model, weighing the benefits of remanufactured units versus utilized ones, and carrying out due diligence on warranties and VIN compatibility, you can guarantee your Ram truck remains on the roadway for many years to come. Whether you are seeking the raw power of the HEMI or the legendary endurance of a Cummins, the right engine is out there to help you finish the task.