fits model: Cherokee, Commander, Dakota, Grand. make: Jeep. year: 2005–2007.

( Manufacturer Part Number: R6847099 ), ( Interchange: 306-1802 ), ( Type: Cylinder Head Assembly ), ( Ipn: 306-01802 ), ( Manufacturer Warranty: 1 Month ), ( Id: B7833fef-4fe1-4a61-882d-5bfe13574f8e ), ( Country Of Origin: United States )
The **Jeep R6847099 OEM Right Cylinder Head** is a precision-engineered component designed exclusively for the 4.7L V8 engine found in Jeep s iconic models from the early 2000s, including the **2001 2007 Cherokee (XJ)**, **2006 2007 Grand Cherokee Commander**, and **2005 2007 Dakota (TJ)**. Crafted from high-grade cast iron, this right-side cylinder head is built to exacting factory specifications, ensuring seamless integration with the engine s combustion chamber, intake manifold, and exhaust system. The head features a **four-valve-per-cylinder design**, with **intake and exhaust valves** precisely machined for optimal airflow, enhancing both performance and fuel efficiency. The **combustion chamber** is engineered to maximize compression ratios, while the **valve guides and seats** are hardened to withstand the high temperatures and pressures generated during operation. This component also includes **integrated spark plug bosses**, **camshaft bearing caps**, and **oil passageways** that align perfectly with the engine block, ensuring proper lubrication and cooling. Whether replacing a worn head, upgrading for improved airflow, or restoring a classic Jeep to factory condition, this **direct-fit, high-quality replacement** delivers the durability and reliability expected from Jeep s original equipment. Built to meet or exceed OEM standards, it is an essential part for maintaining peak engine performance in these rugged, full-size and midsize Jeep models.
### **Pros and Cons of Buying a Jeep with a 4.7L Right Cylinder Head (R6847099) 2001-2007 Cherokee, 2005-2007 Commander, 2006-2007 Dakota**
The **4.7L Magnum V8** (with the **right-cylinder head**, part number **R6847099**) is a popular engine in older Jeep models, known for its durability and power. However, like any engine, it has strengths and weaknesses. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.
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### **Pros of the 4.7L Right Cylinder Head (R6847099)**
1. **Proven Reliability**
- The 4.7L Magnum is one of the most durable engines in Jeep s lineup, especially when properly maintained. Many examples easily exceed **200,000 miles** with basic upkeep.
- The **right-cylinder head** variant (R6847099) is not as prone to the **left-head oil leaks** that plagued some early 4.7L engines, making it a more reliable choice.
2. **Good Power Output**
- The **200-225 HP (depending on model year and trim)** is sufficient for towing moderate loads (up to **3,500 5,000 lbs** with proper setup) and handling daily driving with ease.
- The **5-speed automatic (540RE)** and **5-speed manual** transmissions pair well with this engine, offering smooth shifting and decent fuel economy for a V8.
3. **Availability of Parts & Aftermarket Support**
- The 4.7L is a **well-documented engine**, meaning parts (heads, gaskets, fuel injectors, etc.) are widely available, both new and used.
- Aftermarket support is strong, with **performance upgrades** (intake, exhaust, fuel mods) being common and relatively affordable.
- **Remanufactured heads and blocks** are widely available, reducing long-term repair costs.
4. **Fuel Efficiency for a V8**
- While not great by modern standards (** 12-15 MPG combined**), it is **better than most V8s of its era**, making it a practical choice for those who need a powerful but not overly thirsty truck/SUV.
- The **EFI (Electronic Fuel Injection)** system is more reliable than older carbureted setups.
5. **Towing & Hauling Capability**
- With the right **transmission (540RE or 545RE), drivetrain (4x4), and aftermarket upgrades (heavy-duty radiator, cooling system, etc.)**, these Jeeps can tow **up to 5,000 7,000 lbs** when properly equipped.
- The **frame and suspension** are sturdy, making them capable of handling heavy loads better than some modern light-duty trucks.
6. **Modding Potential**
- The 4.7L responds well to **performance mods**, including:- **Intake & exhaust upgrades** (e.g., K&N filter, MagnaFlow headers)
- **Fuel system enhancements** (larger injectors, upgraded fuel pump)
- **Camshaft swaps** (for more power or torque)
- **Turbocharging** (possible with proper tuning and cooling)
- The **aftermarket community** is active, with forums (like **Jegs, Summit Racing, or Jeep forums**) offering guidance on modifications.
7. **Lower Cost of Ownership (Compared to Modern Trucks)**
- **Fuel costs** are lower than modern V6/V8 trucks (though still higher than diesel or turbocharged engines).
- **Insurance and registration** are often cheaper than newer trucks.
- **Basic maintenance** (oil changes, spark plugs, belts) is affordable.
8. **Classic Jeep Appeal**
- If you enjoy the **retro styling, rugged build, and classic Jeep feel**, the 2001-2007 models (especially the **Commander and Dakota**) have a strong following.
- The **interior is simple but functional**, with a focus on durability over modern tech.
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### **Cons of the 4.7L Right Cylinder Head (R6847099)**
1. **Common Failure Points (If Neglected)**
- **Head Gasket Failure** While the **right-head version (R6847099) is less prone to leaks**, it is not immune. **Overheating, poor cooling, or oil dilution** can still cause issues.
- **Timing Chain & Tensioner Wear** The **timing chain** can stretch over time, leading to **timing issues, misfires, or catastrophic failure**. Replacement is expensive ( $1,000 ).
- **Water Pump Failure** The **thermostat housing and water pump** are known weak points. Replacement is often needed around **100,000 150,000 miles**.
- **Oil Leaks** **Valve cover gaskets, rear main seal, and oil pan gaskets** can leak, requiring attention.
- **Fuel Injector Failures** Some injectors fail early, causing **rough idling or stalling**. Replacement is costly ( $200 $400 per injector).
2. **Fuel Economy is Poor by Modern Standards**
- Expect ** 12-15 MPG combined**, which is **worse than most modern V6 trucks** and **diesels**.
- If you do **a lot of highway driving**, fuel costs will add up quickly.
3. **Transmission Issues (Especially in Early Models)**
- The **540RE automatic** (common in 2001-2004 models) is **known for rough shifting, slipping, and premature wear**.
- The **5-speed manual** is more reliable but **less refined** than modern transmissions.
- **Upgrading to a 545RE (2005 )** improves durability but may require a transmission swap.
4. **Suspension & Steering Wear**
- **Ball joints, tie rods, and bushings** wear out around **80,000 120,000 miles**, requiring frequent replacements.
- The **shock absorbers** are basic and **not as smooth as modern coilovers or air suspension**.
- **Alignment issues** are common due to **frame flex and worn suspension components**.
5. **Electrical & Modern Tech Limitations**
- **Older wiring harnesses** can be finicky, leading to **random electrical gremlins**.
- **No modern infotainment, backup camera, or advanced safety features** (like blind-spot monitoring).
- **Starting issues** can occur if the **battery or alternator** is weak.
6. **Resale Value is Low**
- These Jeeps **depreciate quickly**, especially compared to newer trucks or even older diesel models.
- If you plan to sell later, you may not recover much of your investment.
7. **Towing & Hauling Limitations Without Upgrades**
- While capable, **stock cooling and drivetrain** may struggle with **heavy towing (over 5,000 lbs)** without modifications.
- **Braking performance** is adequate but not as strong as modern ABS-equipped systems.
8. **Maintenance Can Be Labor-Intensive**
- Some repairs (like **head removal, timing chain replacement**) require **specialized tools and mechanical skill**.
- **Finding a good mechanic** who knows these engines well can be difficult in some areas.
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### **Conclusion & Recommendation**
The **2001-2007 Jeep Cherokee (06-07), Commander (05-07), and Dakota (06-07) with the 4.7L right-cylinder head (R6847099)** is a **great choice if you:**
**Prioritize reliability and durability** over modern tech.
**Need a capable towing/hauling truck** for moderate loads.
**Enjoy classic Jeep styling and a simple, rugged build**.
**Are willing to perform basic maintenance** (oil changes, fluid checks, cooling system upkeep).
**Plan to modify it** (intake, exhaust, fuel system) for better performance.
**Don t mind lower fuel economy** in exchange for V8 power.
**However, avoid it if you:****Need excellent fuel efficiency** (modern diesel or turbo V6 would be better).
**Want modern tech** (infotainment, backup camera, advanced safety).
**Plan to tow heavily (over 5,000 lbs) without major upgrades**.
**Don t have mechanical experience** (some repairs are complex).
**Want high resale value** (these Jeeps depreciate fast).
### **Final Recommendation:**If you **find a well-maintained example** (with **service records, no major leaks, and a fresh timing chain**), the **4.7L right-head Jeep is an excellent buy
Transmissions must be shipped to a commercial address with dock and forklift or the closest shipping terminal. Some external sensors or solenoids may need to be replaced. Free shipping, if offered, applies only to commercial addresses with proper equipment dock and forklift unload. Warranty period begins the day after delivery.
Axle seals, front and drive shaft seals will also need to be replaced. Picture in the listing may not be of actual item sold; it a stock picture only. Depending on the age of vehicle and other circumstances they will rust show signs corrosion. Buyer pays return shipping if wrong color ordered.
Buyer will need to replace the transmission oil filter, put a new pan gasket on, flush and add manufacturer specific fluids. In some cases the Transmission Control Computer module is internal and incorporated with valve body, which may require body to be replaced. Transfer cases will not be included with transmissions from 4x4 or All Wheel Drive vehicles. Transmission lines will need flushed, along with the transmission oil cooler needs replaced if equipped, this to be done so contaminants from bad not ruin your replacement.
JEEP GRAND CHEROKEE 05-07 4.7L, RH. Most items are shipped the same-day as purchase. Quick shipping.
Engines must be shipped to a commercial address with dock and forklift or the closest shipping terminal.