1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale: A Comprehensive Guide for Enthusiasts and Buyers

1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale: A Comprehensive Guide for Enthusiasts and Buyers jeeps.truckstrend.com

The 1999 Jeep Grand Cherokee Limited, often referred to by its chassis code WJ, marked a significant evolution for the iconic SUV line. While celebrated for its improved ride, refined interior, and legendary off-road prowess, a major part of its appeal, especially in the Limited trim, was the introduction of the powerful 4.7-liter PowerTech V8 engine. For many, this engine is not just a component; it’s the heart of their cherished vehicle, a source of robust power and reliability. This article serves as a comprehensive guide for anyone interested in or actively seeking a 1999 Jeep Grand Cherokee Limited 4.7 V8 engine for sale, whether for replacement, a custom build, or as a valuable spare.

The Powerhouse: Understanding the 4.7L PowerTech V8

1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale: A Comprehensive Guide for Enthusiasts and Buyers

The 4.7-liter PowerTech V8, internally designated as the "Magnum" engine family successor, was a groundbreaking addition for Jeep in 1999. It replaced the venerable 5.2L V8 and quickly earned a reputation for its blend of power, efficiency, and relatively smooth operation.

Key Specifications and Features:

• Displacement: 4.7 liters (287 cubic inches)
• Configuration: 90-degree V8
• Valvetrain: Single Overhead Cam (SOHC) per bank, 2 valves per cylinder (16 valves total)
• Horsepower (1999 Spec): 235 hp @ 4,600 rpm
• Torque (1999 Spec): 295 lb-ft @ 3,200 rpm



• Block Material: Cast Iron
• Cylinder Heads: Aluminum
• Fuel System: Multi-port electronic fuel injection
• Ignition System: Coil-on-plug (distributor-less)

The 4.7L V8 was praised for its strong low-end torque, making it excellent for towing, accelerating, and tackling challenging off-road terrain. Its aluminum heads contributed to weight savings and improved heat dissipation, while the SOHC design offered a good balance between performance and packaging efficiency. For many Jeep enthusiasts, the 4.7L engine represented the pinnacle of Grand Cherokee performance for its era, making it a highly desirable component even today.

Why Buy a Standalone 4.7L V8 Engine?

The decision to purchase a standalone engine, rather than a complete vehicle, is often driven by specific needs and strategic considerations. For the 1999 Jeep Grand Cherokee 4.7L V8, several compelling reasons emerge:

• Engine Replacement: The most common reason. If your existing 4.7L engine has suffered a catastrophic failure (e.g., thrown rod, severe overheating, excessive oil consumption) or simply reached the end of its reliable lifespan, a used or rebuilt engine can be a cost-effective alternative to buying a new vehicle.



• Engine Swap/Upgrade: While less common for the 1999 model itself, the 4.7L V8 is a popular choice for custom builds or as an upgrade for older Jeep models (like the ZJ Grand Cherokee or TJ Wrangler) that originally came with smaller engines (e.g., 4.0L inline-six). Its relatively compact size and robust power output make it an attractive option.
• Project Car Component: For those undertaking a full restoration or a significant modification project on a 1999 Grand Cherokee, starting with a known good engine can save time and money in the long run.
• Cost-Effectiveness: In many cases, replacing an engine is significantly cheaper than purchasing an entirely new or newer used vehicle, especially if the rest of your 1999 Grand Cherokee is in good condition. It allows you to extend the life of a vehicle you’re already familiar with and enjoy.

Where to Find a 1999 Jeep Grand Cherokee 4.7L V8 Engine For Sale

Locating a suitable 4.7L V8 engine requires a targeted search across various platforms. Availability can vary, but persistence and knowing where to look are key.

• Online Marketplaces: Websites like eBay, Craigslist, and Facebook Marketplace are primary hunting grounds. You’ll find engines from private sellers, small businesses, and auto recyclers. Use specific search terms like "Jeep 4.7L V8 engine," "WJ Grand Cherokee engine," or "PowerTech 4.7 V8."
• Auto Salvage Yards (Junkyards): Local and national salvage yards are excellent sources for used engines. They often pull engines from wrecked vehicles and can provide information about the donor car’s mileage. Many larger yards have online inventories.
• Specialized Engine Rebuilders/Suppliers: Companies that specialize in remanufactured or rebuilt engines often carry popular models like the 4.7L PowerTech. These typically come with a warranty and have been thoroughly inspected and refreshed, albeit at a higher price point.
• Jeep Forums and Enthusiast Groups: Online forums (e.g., JeepForum.com, GrandCherokeeForum.com) and dedicated Facebook groups for WJ Grand Cherokee owners are invaluable resources. Members often sell parts, including engines, or can provide leads on where to find them.
• Local Mechanics/Performance Shops: Some automotive shops that specialize in Jeep or domestic V8s might have connections to suppliers or even engines they’ve removed from customer vehicles during upgrades.

Key Considerations When Purchasing a Used 4.7L V8 Engine

Buying a used engine is not without risks, but careful due diligence can mitigate potential problems.

• Mileage and Condition:
  • Low Mileage: Generally preferred, but verify the odometer reading if possible. An engine with 100,000-150,000 miles is often a good candidate if well-maintained.
  • Visual Inspection: Look for excessive oil leaks, damaged sensors, broken mounts, or signs of impact. Check the oil cap for milky residue (indicating coolant contamination) and the dipstick for proper oil level and color.
  • Compression Test: If possible, have a compression test performed on all cylinders. Consistent readings indicate good internal health.
• Source and Seller Reputation:
  • Reputable Seller: Prioritize sellers with good reviews, a long history, or a physical business location.
  • Private Seller: Be more cautious. Ask for the VIN of the donor vehicle to run a history report if possible.
• Engine History: Inquire about maintenance records, if the engine was running when pulled, and the reason the donor vehicle was retired.
• Included Components: Clarify exactly what comes with the engine. Is it a bare long block (block, heads, rotating assembly) or a complete engine with intake manifold, exhaust manifolds, alternator, power steering pump, AC compressor, wiring harness, and ECU? A more complete engine simplifies installation but increases cost.
• Warranty: Many reputable salvage yards and rebuilders offer a limited warranty (e.g., 30-90 days). Understand its terms, especially regarding labor.
• Shipping Costs: Engines are heavy. Factor in freight shipping costs, which can be substantial, especially for cross-country purchases.

Installation and Post-Purchase Tips

Once you’ve acquired your 4.7L V8, the next steps involve installation and ensuring its longevity.

• Professional Installation vs. DIY: Unless you have significant automotive experience, specialized tools, and a proper workspace, professional installation by a qualified mechanic is highly recommended. Engine swaps are complex.
• Required Components: Even with a "complete" engine, you’ll likely need new gaskets (oil pan, valve covers, intake/exhaust manifold), spark plugs, fluids (oil, coolant), filters (oil, air), and possibly new belts and hoses.
• Pre-Installation Checks: Before installing, thoroughly clean the engine, replace any visibly worn external components, and consider replacing common failure items like the oil pressure sensor, crankshaft position sensor, and camshaft position sensor while the engine is out and easily accessible.
• Initial Start-up and Break-in: Follow any specific break-in procedures if you’ve purchased a rebuilt engine. For used engines, ensure proper fluid levels, check for leaks immediately, and monitor gauges closely during the first few drives.
• Preventative Maintenance: Adhere to a strict maintenance schedule: regular oil changes with quality synthetic oil (5W-30 or 10W-30 as per manufacturer spec), coolant flushes, and filter replacements.

Common Issues and Solutions for the 4.7L V8

While robust, the 4.7L PowerTech V8 is not without its quirks. Awareness of these common issues can help in pre-purchase inspection and post-installation maintenance.

• "Death Rattle": This refers to noise from the timing chain guides, particularly on cold starts. It’s a sign of wear and, if left unaddressed, can lead to timing chain failure. Solution: Replace timing chain guides, tensioners, and chains.
• Oil Pressure Issues: The 4.7L is sensitive to oil quality and level. Low oil pressure can indicate a failing oil pump or excessive bearing wear. Solution: Regular oil changes, correct oil viscosity, consider an aftermarket oil pump if issues persist after other diagnostics.
• Head Gasket Failures: While less common than some other engines, head gasket failures can occur, often due to overheating. Symptoms include coolant loss, white smoke from the exhaust, or milky oil. Solution: Head gasket replacement, often requiring head resurfacing.
• Sensor Failures: Crankshaft and camshaft position sensors are common failure points, leading to no-start conditions or intermittent stalling. Solution: Replacement with quality OEM or reputable aftermarket parts.
• Spark Plug Ejection: In rare cases, spark plugs can eject from the aluminum heads, often due to improper installation or cross-threading. Solution: Heli-coil repair or head replacement.

Addressing these issues proactively or immediately upon detection is crucial for the longevity of the 4.7L V8.

Pricing Information for 1999 Jeep Grand Cherokee Limited 4.7 V8 Engines

Pricing for a 1999 Jeep Grand Cherokee 4.7L V8 engine can vary significantly based on condition, mileage, included accessories, and the seller. The table below provides estimated price ranges.

Engine Type/Condition	Estimated Price Range (USD)	Key Inclusions/Notes
Used Long Block	$800 – $1,800	Block, heads, rotating assembly. No external accessories. Mileage & condition are primary factors.
Used Complete Engine	$1,200 – $2,500	Includes intake/exhaust manifolds, throttle body, fuel injectors, some sensors. Accessories (alternator, AC compressor) often extra. Mileage dependent.
Remanufactured/Rebuilt Long Block	$2,500 – $4,000	Professionally rebuilt to OEM specs, new wear parts (pistons, rings, bearings, gaskets). Often includes limited warranty.
Remanufactured/Rebuilt Complete Engine	$3,500 – $5,500+	Full rebuild, includes new or reconditioned accessories. Longer warranty, highest quality assurance.
Shipping Costs	$200 – $600+	Varies significantly by distance and freight carrier. Always get a quote.
Installation Labor	$800 – $2,000+	Varies by shop rates and complexity. Excludes parts.

Note: These are estimates. Always obtain specific quotes and details from sellers.

Frequently Asked Questions (FAQ)

Q1: How long does a 4.7L V8 engine typically last?
A1: With proper maintenance, the 4.7L V8 can last 200,000 to 250,000 miles or more. Regular oil changes, timely attention to the "death rattle," and preventing overheating are key to its longevity.

Q2: Is the 4.7L V8 a good engine for off-roading or towing?
A2: Yes, absolutely. Its strong low-end torque makes it excellent for both. It provides ample power for climbing obstacles off-road and comfortably pulling trailers within the Grand Cherokee’s towing capacity.

Q3: Can I swap a 4.7L V8 into an older Jeep Grand Cherokee (ZJ) or Wrangler (TJ)?
A3: Yes, it’s a popular swap for both. However, it requires significant modifications, including engine mounts, wiring harness, ECU, transmission mating, and potentially custom exhaust. It’s not a direct bolt-in and is best undertaken by experienced mechanics or DIYers.

Q4: What should I look for specifically when inspecting a used 4.7L V8 engine?
A4: Look for signs of proper oil maintenance (clean oil, no sludge), no milky residue under the oil cap, intact wiring, no visible cracks in the block or heads, and check for any significant leaks. If possible, a compression test is highly recommended.

Q5: What’s the difference between a "long block" and a "complete engine"?
A5: A long block typically includes the engine block, cylinder heads, crankshaft, camshafts, pistons, and connecting rods. It does not include external accessories like the intake manifold, exhaust manifolds, alternator, power steering pump, etc. A complete engine usually includes most or all of these external components, making installation simpler but increasing the cost.

Conclusion

The 1999 Jeep Grand Cherokee Limited 4.7 V8 engine remains a highly sought-after component for its robust performance, proven reliability (with proper care), and versatility. Whether you’re breathing new life into a cherished WJ, embarking on a challenging engine swap, or simply stocking up on a valuable spare, understanding the nuances of purchasing this specific engine is crucial. By conducting thorough research, inspecting potential candidates meticulously, and factoring in all associated costs, you can confidently acquire a 4.7L PowerTech V8 that will serve your needs for years to come, ensuring the enduring spirit of the iconic Grand Cherokee continues to conquer roads and trails alike.