LEXUS 1110139705 Passenger Engine Head 2URG

( Manufacturer Part Number: 1110139705 ), ( Type: Cylinder Head ), ( Material: Aluminum ), ( Id: 1bfc4622-01c5-41f1-a3b2-7ab6c6f6be53 ), ( Interchange: 306-50339 ), ( Year: 12 ), ( Partout Id: A-103299241 )

Review LEXUS Is f Passenger Side Engine Head Oem fits 2008–2014

The **Lexus IS-F (OEM Part Number: 1110139705, Engine Code: 2UR-G)** passenger-side engine head is a meticulously engineered component designed exclusively for the legendary **Lexus IS-F (F45)**, a high-performance variant of the IS 250 that combines the refined elegance of a luxury sedan with the exhilarating power of a 3.0-liter twin-turbocharged V6 engine. This head is a critical part of the **2UR-G** powertrain, a unit renowned for its precision machining, lightweight construction, and robust durability, all of which contribute to the IS-F s **302 horsepower** and **278 lb-ft of torque** enough to propel the car from 0-60 mph in just **5.2 seconds** in its standard form. Crafted from high-grade aluminum alloy, the head features an advanced **double overhead camshaft (DOHC)** design with **24 valves**, ensuring optimal airflow and combustion efficiency for maximum performance. The **intake and exhaust ports** are precision-machined to enhance throttle response and power delivery, while the **turbocharged induction system** allows for aggressive boost pressures without compromising reliability. This head is compatible with the **IS-F s** high-revving nature, capable of handling the engine s redline of **7,600 RPM** with ease, making it a sought-after replacement for those seeking to restore or upgrade their vehicle s performance. Whether restoring a classic IS-F or maintaining one in peak condition, this OEM head ensures that the engine retains its legendary **smooth, linear power delivery** and **subtle yet aggressive exhaust note** hallmarks of Lexus s signature blend of sophistication and performance. Built to exacting Lexus standards, it is designed to integrate seamlessly with the **2UR-G s** fuel injection system, variable valve timing (VVT-i), and intercooler setup, guaranteeing a perfect fit and optimal functionality. For enthusiasts and mechanics alike, this component represents the pinnacle of **Japanese engineering precision**, embodying the IS-F s reputation as one of the most desirable and capable luxury sports sedans of its era.

### **Pros and Cons of Buying a Lexus IS-F (2008 2014) with the 3.0L JPS Engine (Part Number: 1110139705)**

#### **Pros**

1. **Performance and Reputation**

The Lexus IS-F is one of the most sought-after performance Lexus models, known for its balanced blend of power, handling, and reliability. The 3.0L JPS inline-six engine (a modified version of the 2GR-FE) produces **306 horsepower** and **216 lb-ft of torque**, making it one of the most capable naturally aspirated engines in its class. The IS-F was designed as a high-performance variant of the standard IS, featuring a sport-tuned suspension, Brembo brakes, and a limited-slip differential (LSD) in later models.

2. **Reliability and Durability**

Lexus engines, including the JPS, are renowned for longevity when properly maintained. The 3.0L JPS is a robust inline-six with a cast-iron block and aluminum head, which, if cared for, can easily exceed **200,000 miles**. The IS-F s transmission (a 6-speed automatic) is also well-regarded for smooth operation and durability, though it lacks a manual option (a common complaint among enthusiasts).

3. **Aftermarket Support and Modification Potential**

The IS-F has a **thriving aftermarket**, with widespread availability of parts for tuning, suspension upgrades, and aesthetic modifications. Common upgrades include:

- **Engine tuning** (e.g., Apexi, Haltech, or standalone ECU flashes) to unlock more power.

- **Exhaust and intake upgrades** for improved airflow.

- **Suspension swaps** (e.g., lowering springs, coilovers, or even full Eibach or H&R kits).

- **Brake upgrades** (larger rotors, performance pads, and calipers).

- **Aesthetic modifications** (spoilers, hood scoops, wheels, and body kits).

The JPS engine responds well to forced induction (turbocharging or supercharging), though stock reliability must be maintained if pushing it hard.

4. **Comfort and Practicality**

Despite its sporty nature, the IS-F retains Lexus reputation for comfort. The cabin is quiet, well-insulated, and features high-quality materials. The rear seats are spacious enough for occasional passengers, and the trunk offers **15.2 cubic feet** of cargo space more than enough for daily use.

5. **Resale Value and Collectibility**

The IS-F is a **cult classic**, and well-maintained examples hold their value exceptionally well. Even older models (2008 2014) are highly desirable among Lexus enthusiasts, making them a smart long-term investment. The rarity of the IS-F (compared to the standard IS) also drives up demand.

6. **Safety and Handling**

The IS-F comes standard with **Lexus Safety System (LSS )**, including pre-collision braking and lane-departure warning. The chassis is tuned for sharp, predictable handling, making it enjoyable for both daily driving and track use. The **Brembo brakes** (on later models) provide excellent stopping power.

7. **Low-Maintenance Nature**

Lexus vehicles are known for their **low maintenance costs** compared to Japanese or European rivals. The JPS engine is relatively simple, with fewer issues than some turbocharged or high-performance engines. Oil changes, timing belt replacements (every **105,000 miles**), and basic upkeep keep it running smoothly.

---

#### **Cons**

1. **No Manual Transmission Option**

One of the most significant drawbacks is the **lack of a manual transmission**. Enthusiasts often prefer a manual for better engagement with the driving experience, and the IS-F s automatic (while smooth) cannot be shifted manually. This limits appeal to purists and track-focused drivers.

2. **Stock Power is Moderate (Compared to Modern Standards)**

While **306 horsepower** was impressive in 2008, it is **nowhere near** the power levels of modern turbocharged or supercharged performance cars. The IS-F is not a track weapon out of the box it requires tuning to compete with contemporary performance sedans.

3. **Suspension and Ride Quality Trade-offs**

The IS-F s suspension is **stiffer than the standard IS**, which improves handling but can make daily comfort less refined. On rough roads, the ride can feel **too firm**, and body roll is noticeable at high speeds. While this is ideal for spirited driving, it may not suit those who prioritize a plush ride.

4. **Weight and Fuel Economy**

The IS-F is **heavier than some competitors** (around **3,400 3,500 lbs**), which can make it feel sluggish compared to lighter sports sedans. Fuel economy is **not great** expect **around 16 18 MPG in the city and 24 26 MPG on the highway** (worse than modern turbocharged sedans). This can add up in fuel costs over time.

5. **Common Wear Items and Maintenance Costs**

- **Timing belt and water pump** ( $800 $1,200 every 105,000 miles).

- **Suspension bushings and struts** (can wear out by **80,000 120,000 miles**).

- **Brake pads and rotors** (Brembo brakes last well but require periodic replacement).

- **Transmission fluid changes** (every **60,000 90,000 miles** to prevent slippage).

- **Oil changes** (synthetic oil recommended every **5,000 7,500 miles** for optimal longevity).

6. **Aging Technology and Infotainment**

The **2008 2014 IS-F features a basic infotainment system** with a **single-DIN screen and limited connectivity**. There is **no Bluetooth, Apple CarPlay, or Android Auto**, and navigation is outdated. While this is not a dealbreaker for performance-focused buyers, it may frustrate those who rely on modern tech.

7. **Potential for Engine Modding Risks**

While the JPS engine is **tank-like stock**, pushing it with **forced induction (turbo/supercharger) or aggressive tuning** can void warranties and risk **piston ring wear, valve float, or oil consumption issues** if not done properly. Many aftermarket tuners recommend **stock or mild builds** to avoid reliability concerns.

8. **Limited Availability and High Demand**

Due to its popularity, **well-maintained IS-Fs are hard to find** at reasonable prices. Buyers may need to **search extensively** or pay a premium for a clean example. This can make the purchase less accessible for those on a tight budget.

9. **No Active Safety Features (Compared to Modern Lexus Models)**

- **Adaptive cruise control**

- **360-degree cameras**

- **Lane-keeping assist**

- **Automatic emergency braking**

These features are now standard on newer Lexus models but were not available in the IS-F s generation.

10. **Depreciation (Despite Collectibility)**

While the IS-F **holds value well**, it does not appreciate like some rare or limited-edition cars. Buyers should expect **moderate depreciation** over time, though it remains a **smart investment** compared to most performance cars.

---

### **Conclusion**

- **Prioritize reliability, performance, and aftermarket potential** over modern tech.

- **Enjoy tuning and modifying** their car for better handling and power.

- **Value a balance of comfort and sportiness** in a daily driver.

- **Are willing to invest in maintenance** to keep the engine and suspension in top shape.

- **Appreciate Lexus reputation for longevity** and are okay with its limitations (no manual, aging tech).

- **Need a manual transmission** for driving enjoyment.

- **Require modern infotainment and connectivity**.

- **Prefer a lighter, more fuel-efficient car** (e.g., a turbocharged sedan).

- **Want a track-focused machine out of the box** (requires significant tuning).

- **Have a limited budget** (high demand drives up prices).

### **Recommendation**

If you find a **well-documented, low-mileage IS-F (under 80,000 miles) with a clean service history**, it is a **strong purchase** especially if you plan to **modify it or keep it as a collector s item**. Focus on:

- **Engine condition** (check for oil leaks, carbon buildup, or timing belt service records).

- **Suspension health** (listen for clunks, check bushings, and inspect struts).

-

Details:

Vehicle Info. Mileage condition: 000. This is the right-side 5.0L V8 head 2UR-GSE, used but in ready-to-install condition. OEM passenger side engine head for 2008 2014 Lexus IS-F.

Vehicle Stock #: YURIY-M. Part Stock #. COD available for qualified orders placed local delivery. Model: LEXUS IS-F.

part #: 1110139705 prices

• $561.00-$1859.99

specifications cylinderheapar:

• for makes: Lexus
• for years: 2008-2014
• mpn: 1110139705
• type: Cylinder Head
• material: Aluminum
• id: 1bfc4622-01c5-41f1-a3b2-7ab6c6f6be53
• interchange: 306-50339
• year: 12
• partout id: A-103299241

payments cylinderheapar:

• wallet: Google-pay
• other
• money order
• credit card: Visa
• cash

returns cylinderheapar:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days

offer cylinderheapar:

• started: February 18, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 1

shipping cylinderheapar:

• class: Standard, One-day
• cost: $60.00
• transit: 2-6 Days
• type: Fixed
• service: Standard, Overnight

seller cylinderheapar:

• rating: 99.1%
• city: Maple height, Ohio
• # reviews: 8675

general cylinderheapar:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

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