JEEP 04591853AG Fuel Rail 5.7 1A2

( Manufacturer Part Number: 04591853AG ), ( Type: Fuel Injector )

Review JEEP 5.7 Fuel Rail 1a2 fits CHEROKEE HEMI GRAND 2007

The **Jeep 04591853AG 2007 Cherokee 5.7L Hemi Fuel Rail (Part #1A2)** is a high-performance, precision-engineered component designed exclusively for the iconic 2007 Jeep Grand Cherokee with the legendary 5.7L Hemi V8 engine. This fuel rail is a critical part of the vehicle s fuel delivery system, ensuring optimal fuel distribution to the engine s eight cylinders for maximum power, efficiency, and reliability. Crafted from durable, high-grade materials, this fuel rail is built to withstand the intense pressures and temperatures generated by the high-output Hemi, which is renowned for its aggressive performance and torque. The design incorporates precise internal passages and mounting points that align perfectly with the 2007 model s fuel injection system, including the 1A2 fuel pump and related components, to minimize fuel vaporization and maximize combustion efficiency. Whether you're restoring a classic Jeep, upgrading an existing system, or maintaining peak performance in a high-mileage vehicle, this fuel rail is a direct-fit replacement that guarantees seamless integration with the engine bay s wiring harness, fuel lines, and throttle body. Built to meet or exceed OEM specifications, it eliminates common issues like fuel leaks, inconsistent fuel pressure, or erratic engine performance, making it an essential part for any Jeep enthusiast seeking to preserve or enhance the power and longevity of their 5.7L Hemi-powered Cherokee.

### **Pros and Cons of Buying a 2007 Jeep Cherokee (5.7L Hemi, Fuel Rail 1A2, VIN 04591853AG)**

#### **Pros**

1. **Powerful Engine** The 5.7L Hemi V8 is one of the most reliable and capable engines from that era, producing strong torque and towing capacity (up to 5,000 lbs with proper setup). It handles rough terrain well and is known for longevity if maintained properly.

2. **Strong Resale Value** The Hemi engine is highly sought after, meaning this Jeep retains value better than many contemporaries with weaker engines.

3. **Durability & Build Quality** Jeep s frame and suspension are robust, making this model capable for off-roading, hauling, and daily driving. The 5.7L Hemi is less prone to catastrophic failure compared to smaller engines or turbocharged units.

4. **Availability of Parts & Aftermarket Support** Due to its popularity, parts (both OEM and aftermarket) are widely available. Tuning options (like AEM, Haltech, or factory-style tuning) can significantly improve performance.

5. **Classic Jeep Appeal** The 2007 Cherokee (especially with the Hemi) has a cult following. Its rugged styling and reputation for toughness make it a desirable vehicle for enthusiasts.

- **Intake & Exhaust** Improves airflow and sound.

- **Cold Air Intake (CAI)** Can increase horsepower and throttle response.

- **Performance Chip/Tuning** Factory-style tuning (e.g., AEM 365) can unlock hidden power.

- **Suspension Upgrades** Lift kits, coilovers, or heavy-duty springs improve off-road capability.

- **Braking & Cooling** Upgraded brakes and intercoolers help with performance and heat management.

7. **Good Towing & Hauling** With proper setup (weight distribution, cooling, and suspension), this Jeep can tow heavy loads, making it useful for work or weekend adventures.

8. **Reliability (If Maintained)** The 5.7L Hemi is known for lasting well over 200,000 miles with regular maintenance (oil changes, cooling system care, and fuel system attention).

---

#### **Cons**

1. **Fuel Economy** The 5.7L Hemi is thirsty, averaging around **12-15 MPG combined**. This can be expensive for daily driving, especially with rising fuel costs.

- **Regular oil changes** (every 5,000 miles or as recommended).

- **Cooling system maintenance** (radiator, hoses, thermostat) to prevent overheating.

- **Fuel system cleaning** (the Hemi is prone to carbon buildup and fuel injector issues).

- **Suspension wear** (shocks, bushings, and ball joints may need replacement over time).

3. **Weight & Handling** The Hemi is heavy ( 4,500 lbs), which can make it sluggish in city driving and less nimble than lighter vehicles.

4. **Transmission Issues (If Automatic)** Some 2007 Cherokees came with the **41TE automatic transmission**, which can develop **slippage, rough shifting, or solenoid failures** over time. A **manual transmission (42RLE)** would be preferable if available.

- **Check Engine Lights (CEL)** due to minor sensor issues.

- **Faulty sensors** (MAF, oxygen sensors, crankshaft position sensor).

- **Infotainment system quirks** (if equipped with a CD player or early Uconnect).

6. **Rust Concerns** Depending on where the Jeep was driven, **underbody rust** (especially in the wheel wells, frame rails, and subframe) can be an issue. A thorough inspection is necessary.

7. **Depreciation** While the Hemi retains value, the overall Cherokee model has depreciated significantly. If you plan to keep it long-term, this may not be a major concern, but if you need to sell later, expect a lower resale value than a newer or luxury SUV.

8. **Noise & Vibration** The Hemi can be **loud at idle** and may have **engine vibrations** if mounts or the flywheel are worn. Suspension noise (knocking, clunking) can also develop over time.

- **Advanced airbag systems** (side curtain airbags may be basic).

- **Modern safety tech** (blind-spot monitoring, lane-keeping assist, automatic emergency braking).

- **Improved crash structure** (newer Jeeps have better rollover protection).

- **Leaking fuel injectors** (common failure point).

- **Carbon buildup** (requires periodic cleaning or replacement).

- **Fuel pressure regulator failures** (can cause rough idling or stalling).

- **Oil leaks** (valve cover gasket, oil filter housing gasket).

---

### **Key Considerations Before Purchase**

- **Regular oil changes** (synthetic oil recommended).

- **Cooling system flushes** (every 60,000 miles).

- **Fuel system cleaning** (every 30,000-50,000 miles).

- **Transmission fluid changes** (if automatic).

- **Leaking injectors** (common issue with 1A2 rails).

- **Carbon buildup** (can cause misfires or poor performance).

- **Fuel pressure regulator** (should hold pressure without leaks).

- **Wheel wells** (common rust spots).

- **Frame rails & subframe** (critical for structural integrity).

- **Rockers & lower control arms**.

4. **Test Drive & Listen for Issues**

- **Engine noise** (knocking, ticking, or excessive vibration).

- **Transmission smoothness** (no jerking or delayed shifts).

- **Suspension condition** (no excessive bouncing or clunking).

- **Braking performance** (check for grabbing or uneven wear).

5. **Transmission Type** If possible, **avoid the 41TE automatic** if it has a history of slippage. A **manual (42RLE)** is more reliable for towing and off-roading.

- **Fuel system upgrades** (new injectors, fuel rail, or cleaning).

- **Suspension refresh** (shocks, bushings, control arms).

- **Cooling system overhaul** (radiator, hoses, water pump).

---

### **Final Recommendation**

You **prioritize power, towing, and off-road capability** over fuel efficiency.

You **plan to maintain it properly** (oil changes, cooling system care, fuel system attention).

You **enjoy classic Jeep styling and the Hemi s reputation for durability**.

You **find a well-documented example** with a clean service history and no major rust or transmission issues.

You **intend to modify it** (tuning, suspension, brakes) to improve performance and reliability.

You **need excellent fuel economy** (this is not a daily driver for long commutes).

You **can t afford potential repairs** (fuel system, cooling, suspension).

You **prefer modern safety and tech features** (this model lacks advanced driver aids).

The **transmission is unreliable** (41TE automatic with slippage).

The **vehicle has significant rust or neglect** (underbody, frame, suspension).

---

### **Best Approach**

1. **Get a pre-purchase inspection (PPI)** from a **Hemi-specialized mechanic** to check the fuel rail, injectors, and transmission.

2. **Budget for immediate upgrades** (fuel system cleaning, suspension refresh, cooling system check).

3. **Consider a manual transmission** if available, as it s more reliable for towing.

4. **Plan for long-term maintenance** (this is not a "set it and forget it" vehicle).

- If you want **better fuel economy**, look at a **3.8L V6 or 3.6L Pentastar** Cherokee.

- If

Details:

Made by Jeep, the fuel rail is a crucial component in injection system that delivers to engine. With the manufacturer part number 04591853AG, this fuel rail is a genuine that ensures proper function and compatibility with vehicle. This product is essential for maintaining and repairing the fuel injection system in a Jeep Grand Cherokee. The product is a fuel rail specifically designed for 2007 Jeep Grand Cherokee with 5.7 Hemi engine.

part #: 04591853ag prices

• $78.86-$258.22

specifications carfuelinjector:

• for models: Cherokee, Hemi, Grand
• for makes: Jeep
• for years: 2007
• mpn: 04591853ag
• type: Fuel Injector

seller carfuelinjector:

• rating: 100.0%
• city: Phoenix, Arizona
• # reviews: 195

returns carfuelinjector:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping carfuelinjector:

• class: Standard
• cost: $25.87
• type: Calculated
• transit: 4-9 Days
• carrier: UPS
• service: UPS Ground

offer carfuelinjector:

• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: February 26, 2026

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general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: Used

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