1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale: Powering Your WJ Legacy

1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale: Powering Your WJ Legacy jeeps.truckstrend.com

The 1999 Jeep Grand Cherokee, internally known as the WJ generation, marked a significant evolution for the iconic SUV, blending rugged capability with enhanced refinement. At the heart of its top-tier "Limited" trim, and a major draw for enthusiasts and practical owners alike, was the potent 4.7-liter PowerTech V8 engine. For those seeking to restore a beloved WJ, upgrade a less powerful model, or embark on a custom build, finding a "1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale" isn’t just about acquiring a part; it’s about securing the very essence of that vehicle’s performance and enduring appeal.

This comprehensive guide delves into everything you need to know about purchasing one of these remarkable engines. We’ll explore its specifications, why it remains a sought-after commodity, the critical considerations for a successful purchase, and practical advice to ensure you get a reliable powerhouse for your Jeep.

1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale: Powering Your WJ Legacy

The Heart of the Beast: Understanding the 4.7L PowerTech V8

The 4.7-liter (287 cu in) PowerTech V8, designated as the "EVO" engine, was a significant leap forward for Jeep. Introduced in the 1999 Grand Cherokee, it replaced the older Magnum V8s (5.2L and 5.9L) with a more modern, efficient, and powerful design.

Key Specifications and Features (1999 Version):

• Displacement: 4.7 liters (287 cubic inches)
• Configuration: SOHC (Single Overhead Camshaft) V8
• Horsepower: 235 hp @ 4,600 rpm
• Torque: 295 lb-ft @ 3,200 rpm



• Block Material: Cast Iron (lighter than previous V8s)
• Cylinder Heads: Aluminum
• Valvetrain: Chain-driven SOHC with roller followers, 2 valves per cylinder
• Fuel System: Multi-port electronic fuel injection
• Ignition: Coil-on-plug (distributor-less)

The 4.7L V8 was praised for its smooth operation, strong low-end torque, and respectable fuel economy for its class. Its modern design, including aluminum heads and a more compact footprint, made it an excellent fit for the WJ platform, providing robust power for towing, off-roading, and daily driving. While later versions introduced the "High Output" (HO) variant, the 1999 standard 4.7L V8 still offered a compelling blend of power and refinement.

Why Buy a 1999 Jeep Grand Cherokee Limited 4.7 V8 Engine?

The decision to seek out a specific engine from a two-decade-old vehicle might seem niche, but for WJ enthusiasts, it’s often a necessity or a desirable upgrade.

1. Direct Replacement: The most common reason is a failed original engine. Whether due to neglect, high mileage, or an unforeseen mechanical issue, a direct replacement ensures the vehicle returns to its original glory without extensive modification.
2. Performance Upgrade for 4.0L Models: Many WJ Grand Cherokees came with the venerable 4.0L inline-six. While reliable, it lacks the V8’s punch. Swapping in a 4.7L V8 offers a significant power and torque boost, transforming the driving experience, especially for towing or highway merging. This swap requires additional components (transmission, ECU, wiring, exhaust, cooling system), but it’s a popular modification.
3. Project Vehicle/Restoration: For those restoring a classic WJ or building a custom off-road rig, a sound 4.7L engine provides a robust foundation. Its balance of power and relative simplicity makes it a good candidate for various performance enhancements.
4. Towing Capability: The 4.7L V8 significantly increases the WJ’s towing capacity compared to the 4.0L, making it an ideal choice for owners who frequently haul trailers, boats, or campers.
5. Durability and Longevity: When properly maintained, the 4.7L PowerTech V8 is known for its impressive longevity. Many examples have surpassed 200,000 miles, making a used engine a viable option if its history and condition are verified.

Key Considerations Before Purchase

Buying a used engine requires diligence. Rushing into a purchase can lead to costly headaches down the line.

• Source Reliability:
  • Salvage Yards: Often the cheapest option, but condition can be highly variable and history unknown. Look for yards that test engines or offer limited warranties.
  • Remanufacturers: Engines are rebuilt to factory specifications (or better). They come with warranties and often perform like new, but at a higher price point.
  • Specialized Jeep Parts Dealers: May offer tested used engines or remanufactured units, often with a focus on specific Jeep models.
  • Private Sellers: Can be a good source if the seller is transparent and provides detailed history (e.g., engine pulled from a running vehicle with accident damage).
• Engine Condition and History:
  • Mileage: Lower mileage is generally better, but service history is more crucial.
  • Service Records: Ask for any available maintenance records. Regular oil changes are paramount for this engine.
  • Visual Inspection: Look for signs of neglect: excessive sludge under the oil filler cap, burnt oil smell, significant external oil leaks, signs of overheating (discolored coolant residue, warped components).
  • Internal Inspection (If Possible): A compression test or leak-down test provides insight into cylinder health. If the engine is still in the donor vehicle, insist on hearing it run.
  • Warranty: What kind of warranty, if any, is offered? A 30-day or 90-day warranty on a used engine provides crucial peace of mind. Remanufactured engines typically offer longer warranties (1-3 years).
• Included Components:
  • Bare Long Block: Just the block, heads, and internal rotating assembly. Cheapest, but requires transferring many components.
  • Complete Engine: Includes intake manifold, exhaust manifolds, fuel injectors, throttle body, wiring harness, and sometimes accessories (alternator, AC compressor, power steering pump). This is ideal for a direct swap.
  • ECU (Engine Control Unit): Essential for engine operation. Ensure it’s compatible or plan to source one. For a swap, you’ll need the matching ECU and potentially the BCM (Body Control Module) and SKIM (Sentry Key Immobilizer Module) or have the new ECU flashed.
• Compatibility: While the 4.7L V8 was consistent in early WJ models, minor sensor or accessory bracket differences can exist between model years (e.g., 1999 vs. 2000 vs. later HO models). Verify it’s indeed a 1999-specific engine if you’re doing a direct replacement.

The Buying Process: A Step-by-Step Guide

1. Define Your Needs & Budget: Determine if you need a bare long block, a complete engine, or a remanufactured unit. Set a realistic budget, factoring in shipping and potential installation costs.
2. Research Sellers: Use online marketplaces (eBay Motors, Facebook Marketplace), specialized Jeep forums, local salvage yard directories, and reputable remanufacturer websites.
3. Initial Inquiry: Contact sellers with specific questions:
   • "What is the mileage on the engine?"
   • "From what vehicle was it pulled (VIN if possible)?"
   • "Does it come with a warranty?"
   • "What components are included (e.g., intake, exhaust, accessories, wiring harness, ECU)?"
   • "Was it tested before removal? (If so, what were the results – compression, oil pressure?)"
   • "Can you provide detailed photos/video?"
4. Thorough Inspection:
   • Remote: If buying online, demand high-resolution photos and videos. Ask for specific angles, close-ups of potential problem areas (e.g., around gaskets, oil pan, valve covers).
   • In-Person: This is always best. Look for physical damage (cracks, broken mounts), signs of leaks, corrosion, and sludge. If it’s still in the vehicle, insist on hearing it run, checking for knocks, excessive smoke, or unusual noises.
5. Negotiation: Don’t be afraid to negotiate, especially for used engines. Factor in the cost of any missing components or potential repairs.
6. Payment & Logistics: Use secure payment methods. Arrange for proper crating and shipping. Confirm insurance for transit. For local pickups, ensure you have appropriate transport.

Installation and Post-Purchase Tips

• Professional Installation: Unless you are an experienced mechanic with specialized tools, professional installation is highly recommended. Engine swaps are complex, involving numerous connections (electrical, fuel, cooling, exhaust, transmission).
• Pre-Installation Checks: Even if the engine is "tested," it’s wise to:
  • Replace all external gaskets and seals (oil pan, valve covers, rear main seal, intake manifold).
  • Install a new water pump, thermostat, and possibly a new timing chain and tensioner.
  • Replace spark plugs and check coil packs.
  • Flush the cooling system thoroughly.
  • Change the oil and filter immediately upon installation.
• Break-in Procedure: If you purchased a remanufactured engine, follow the manufacturer’s break-in guidelines meticulously.
• Ongoing Maintenance: The 4.7L V8 is generally robust, but proper maintenance is key to its longevity. Use high-quality synthetic or semi-synthetic oil, adhere to regular oil change intervals, and ensure the cooling system (radiator, hoses, coolant) is in top condition to prevent overheating.

Challenges and Solutions

• Finding a Good Condition Engine: Patience is key. Good engines are out there, but they require careful searching and thorough vetting. Don’t settle for the first one you find.
• Shipping Costs: Engines are heavy. Shipping can add significantly to the cost. Look for local options or factor shipping into your budget.
• Unknown History: Mitigate this by demanding testing (compression, oil pressure) or purchasing from a reputable remanufacturer with a warranty.
• "Heat Soak" Issues: The 4.7L V8 can be prone to "heat soak" (vapor lock in the fuel rail) in hot climates or stop-and-go traffic, leading to hard starting. While not directly an engine issue, it’s a common WJ complaint. Solutions include insulating fuel lines, upgrading the fuel pump, or using a heat shield.
• Cylinder Head Cracks (Less Common for 4.7L than 4.0L): While the infamous "0331 head" cracking issue is primarily associated with the 4.0L I6, some 4.7L engines can develop minor leaks. A pre-purchase inspection for coolant leaks or oil in coolant is wise.

1999 Jeep Grand Cherokee Limited 4.7 V8 Engine For Sale: Pricing Guide

Condition / Type	Typical Price Range (USD)	Included Components	Warranty	Notes
Used/Salvage (High Mileage)	$800 – $1,500	Bare long block to mostly complete (variable)	30-90 days limited	Condition varies widely; buyer beware. Often from wrecked vehicles.
Used/Salvage (Low Mileage)	$1,500 – $2,500	Bare long block to mostly complete	90 days – 6 months	Harder to find; often from low-impact collisions.
Remanufactured	$2,800 – $4,500+	Complete long block; sometimes includes new sensors/oil pump	1-3 years / unlimited miles	Highest reliability; essentially new. Shipping often extra.
"Pull-Out" (Running Vehicle)	$1,200 – $2,000	Complete engine with accessories, sometimes ECU	None to 30 days	Best if you can hear it run before removal; rare to find.

Note: Prices are estimates and can vary significantly based on location, seller, specific engine condition, included components, and market demand. Shipping costs are typically extra.

Frequently Asked Questions (FAQ)

Q: What’s the difference between the 1999 4.7L and the later 4.7L HO engine?
A: The 1999 4.7L (235 hp/295 lb-ft) is the standard output version. The 4.7L High Output (HO), introduced later in the WJ’s production run (2002-2004), featured revised cylinder heads, intake manifold, camshafts, and a different ECU tune, boosting power to 265 hp and 330 lb-ft. While the HO offers more power, the 1999 engine is still very capable.

Q: Can I put a 1999 4.7L V8 into a 4.0L Grand Cherokee?
A: Yes, it’s a popular swap, but it’s not a direct bolt-in. You’ll need the 4.7L engine, transmission, engine wiring harness, ECU, potentially the transfer case (if different input shaft), radiator, and possibly modifications to the exhaust and engine mounts. It’s a significant undertaking.

Q: What mileage is considered "too high" for a used 4.7L engine?
A: There’s no hard rule, but generally, anything over 150,000-180,000 miles for a used engine increases risk. The quality of maintenance is far more critical than raw mileage. A well-maintained engine at 200,000 miles can be healthier than a neglected one at 100,000.

Q: Do these engines suffer from "sludge" issues?
A: The 4.7L V8 can be prone to oil sludge if oil change intervals are neglected, or low-quality oil is used. This can clog oil passages, leading to lubrication issues. Thoroughly inspect the oil filler cap and valve covers for sludge buildup before buying. Regular synthetic oil changes prevent this.

Q: Is a warranty important when buying a used engine?
A: Absolutely. A warranty, even a limited one (30-90 days), provides crucial protection against immediate failure. Remanufactured engines typically offer much longer warranties, reflecting the confidence in their rebuild process.

Conclusion

The 1999 Jeep Grand Cherokee Limited 4.7 V8 engine remains a robust and desirable powerhouse for the iconic WJ platform. Whether you’re replacing a worn-out unit, embarking on a performance upgrade, or restoring a classic, securing the right engine is paramount. By understanding its specifications, diligently researching potential sources, conducting thorough inspections, and following a meticulous buying process, you can confidently acquire a reliable 4.7L V8. This will ensure your beloved WJ Grand Cherokee continues to deliver the power, capability, and driving pleasure it was designed for, keeping a piece of Jeep history alive and roaring for years to come.