4.7L V8 MAGNUM ENGINE FOR SALE

Used 4.7L V8 Magnum Engine for Sale: Power and Reliability for Your Vehicle

Do you want a powerful and dependable engine running in your Dodge Ram, Dakota, Durango, Jeep Grand Cherokee, Jeep Commander, or Mitsubishi Raider? Look no further than this used 4.7L V8 Magnum engine (also known as the Chrysler PowerTech 4.7) for sale here. With its widely known power output and proven dependability across more than a decade of production, the 4.7L V8 Magnum is one of the most popular used V8 replacement engines for early 2000s Chrysler, Dodge, and Jeep light-duty vehicles. As designed, this 4.7L V8 Magnum engine for sale guarantees the power and energy needed for replacement or rebuild projects in your truck or SUV.

The 4.7 Magnum Engine: A Brief Overview

The 4.7 liter V8 Magnum is a reliable powerhouse designed by Chrysler to deliver increased performance combined with outstanding durability. Production started in 1999 with overhead camshaft (SOHC) technology replacing the older overhead valve (OHV) Magnum V8s (5.2L 318 cu in and 5.9L 360 cu in) for improved efficiency and emissions while maintaining V8 character. The engine has a 4.7 liter displacement (287 cubic inches), and its capacity propels it to deliver strong horsepower and torque, making it the preferred V8 for many Dodge, Jeep, and Chrysler vehicles from 1999 through 2009.

Important Naming Note: PowerTech vs Magnum

Some clarification on the engine’s naming, since “Magnum” is used for multiple Chrysler V8s:

• Internally at Chrysler, this engine is officially branded “PowerTech“ , the SOHC V8 family introduced in 1999

• In marketing and consumer usage, the engine is commonly called the “4.7 Magnum“, particularly when fitted in Dodge Ram trucks (which used “Magnum” as a marketing name across multiple V8s)

• The older 5.2L “Magnum“ (318 cu in) and 5.9L “Magnum“ (360 cu in) of the 1990s are different engines , those are OHV pushrod V8s, while this 4.7L is a SOHC V8

Both names refer to the same engine. Some sources call it “4.7L PowerTech V8,” others call it “4.7L V8 Magnum,” and these are interchangeable.

4.7 PowerTech / Magnum Production History and Output Evolution

The 2008-2009 4.7 HO is the most powerful version of this engine and is desirable for performance-oriented applications.

4.7 PowerTech / Magnum Vehicle Applications

The 4.7L V8 was offered in a wide range of Chrysler Group light-duty truck and SUV applications:

### Dodge Truck Applications:

• Dodge Ram 1500 (1999-2009): One of the most common applications. The 4.7 was offered as a base or mid-tier V8, between the 3.7 V6 (base) and 5.7 Hemi V8 (premium). Available in 2WD and 4WD configurations.

• Dodge Dakota (2000-2010): The 4.7 was the top engine option for the Dakota mid-size truck. Available 2WD and 4WD.

• Dodge Durango (1999-2009): The 4.7 was the mid-tier V8 option in the Durango SUV between the V6 and Hemi V8 options.

### Jeep Applications:

• Jeep Grand Cherokee WJ (1999-2004): The 4.7 was the top V8 option for the WJ Grand Cherokee, replacing the older 5.2L OHV Magnum V8.

• Jeep Grand Cherokee WK (2005-2010): Continued use of the 4.7 in the WK Grand Cherokee with the WK1 (2005-2007) and WK2 generations (2008-2010 with possible 4.7 HO).

• Jeep Commander (2006-2010): The 4.7 was a mid-tier engine option in the Commander SUV (sister vehicle to Grand Cherokee WK).

### Mitsubishi Applications:

• Mitsubishi Raider (2006-2009): The Raider was a rebadged Dodge Dakota, sold through Mitsubishi dealers. The 4.7 was the top engine option.

Key Engineering Features

• SOHC (Single Overhead Cam) per Bank: Major upgrade from the previous OHV (overhead valve) Magnum V8s. SOHC provides better breathing, smoother power delivery, and improved emissions.

• 90-Degree V8 Configuration: Traditional V8 architecture producing the characteristic V8 exhaust note and smooth power delivery.

• 2 Valves per Cylinder, 16 Valves Total: Conventional 2-valve SOHC design (Chrysler chose 2 valves per cylinder for simpler construction; some later premium engines use 3 or 4 valves per cylinder).

• Cast Iron Block: Heavy-duty cast iron block designed for sustained truck and SUV operation.

• Aluminum Cylinder Heads: Aluminum heads reduce weight while maintaining strength.

• Sequential Multi-Port Fuel Injection: Each cylinder has its own fuel injector with sequential firing (vs older simultaneous injection systems).

• Standard Regular Gasoline: 87 octane regular fuel is acceptable; the 4.7 HO recommends 89 octane mid-grade for full output.

• Hydraulic Lifters: No valve adjustments required.

Common 4.7 Magnum Service Items (Honest Disclosure)

Honest disclosure of known service items:

• Sludge Buildup (Early 1999-2003 Engines): The early 4.7 PowerTech engines (1999-2003) had narrow oil passages that were prone to sludge buildup if oil changes were skipped. Engines with documented regular oil changes are fine; engines with neglected maintenance can develop costly issues.

• Valve Seat Issues: Some 4.7 engines develop valve seat dropping issues at very high mileage (200,000+ miles). This causes loss of compression on affected cylinders.

• Head Gasket Failures: Some applications develop head gasket leaks. Not catastrophic but requires service.

• Cylinder Bore Wear: At high mileage, cylinder bore wear can develop, particularly in trucks used for towing or commercial applications.

• Timing Chain Wear: At high mileage (150,000+ miles), timing chain wear can develop. The 4.7 has a complex timing chain system serving the SOHC valvetrain.

• Oxygen Sensor Failures: Common service item across the engine’s life.

These are typical service items for V8s of this era. With proper maintenance (regular oil changes especially), the 4.7 Magnum / PowerTech can serve 200,000-300,000+ miles.

Why Choose a Used 4.7L V8 Magnum?

• Cost savings vs reman ($2,099 used vs $3,500-$6,500 reman plus core)

• Direct OEM fit for Ram 1500 / Dakota / Durango / Grand Cherokee / Commander / Raider

• Wide application range , one engine fits many vehicle applications

• Strong torque , 295-330 lb-ft is ideal for trucks and SUVs

• Proven service , over 10 years of production means service knowledge is excellent at any qualified Chrysler / Dodge / Jeep specialist

• Parts availability , extensive aftermarket and OEM parts network

• 4.7 HO variant available for performance-oriented applications

FAQs

What is the 4.7L V8 Magnum engine?