RANGE ROVER 4H236A273BA Sport Left Engine Cam Camshafts 306-59394C LR3 L320 4.4L V8

( Brand: Range Rover ), ( Manufacturer Part Number: 4H236A273BA ), ( Part Type: Engine Cam Camshaft ), ( Make: Land ), ( Interchange: 306-59394c ), ( Fitment Type: Direct Replacement ), ( Id: De11cc52-3826-4a98-8344-74e7197d8b90 ), ( Paint: Silver )

Review RANGE ROVER Lr3 Sport 4.4l V8 Left Engine Cam Camshafts fits 2005–2006

The **Rover 4H236A273BA 2005-2006 LR3 Sport L320 4.4L V8 Left-Hand Drive Engine** represents a refined yet robust powerplant designed to deliver a seamless blend of performance and luxury within the iconic Rover 75 lineup. Engineered by Ford under Rover s branding, this **4.4-liter V8** (designated as the **4H236**) is a naturally aspirated, overhead-camshaft (OHC) unit featuring a cast-iron block and aluminum cylinder heads, a common yet reliable combination that ensures durability while maintaining a smooth, resonant exhaust note. The **left-hand drive (LHD) configuration** of this engine underscores its tailored fit for global markets, particularly those where right-hand drive vehicles are less common, offering a symmetrical power delivery that complements the LR3 Sport s sport-tuned suspension and premium interior.

At its core, the **4.4L V8** is a descendant of Ford s legendary **Modular engine family**, refined for the Rover 75 to balance torque and efficiency without sacrificing the character of a traditional V8. With **32 valves** (four per cylinder) and dual overhead camshafts per bank, this engine achieves a **peak output of approximately 275 horsepower** and **273 lb-ft of torque**, figures that propel the LR3 Sport with a commanding yet civilized presence ideal for spirited driving without the need for forced induction. The **multi-point fuel injection system** ensures precise air-fuel ratios, while the **electronic throttle control (ETC)** enhances responsiveness, making the engine adaptable to both city driving and highway cruising. The **left-hand camshaft drive** (notably distinct from its right-hand counterpart) features a **timing chain** rather than a belt, reducing maintenance complexity while maintaining reliability over the long term.

The **LR3 Sport trim** further elevates this engine s potential by pairing it with a **6-speed automatic transmission**, offering smooth, progressive gear shifts that complement the V8 s torque curve. The **L320 designation** signifies its role as the base performance variant, though it remains a standout choice for those seeking a balance between refinement and V8 enthusiasm. The engine s **cast-iron block** provides structural integrity, while the **aluminum heads** contribute to weight savings, improving overall drivetrain efficiency. Additionally, the **left-hand camshaft orientation** ensures compatibility with the vehicle s front-engine, rear-wheel-drive layout, reinforcing the Rover 75 s classic British styling cues while embracing modern engineering standards.

For enthusiasts and collectors, this engine represents a **transition period** in Rover s history where Ford s influence began to shape the brand s future while preserving the heritage of its British engineering roots. The **4H236A273BA** is not merely a powerplant; it is a testament to the LR3 Sport s identity as a **luxury grand tourer with V8 character**, capable of effortlessly handling the demands of daily driving while delivering the exhilaration of a well-tuned, naturally aspirated V8. Whether restored to pristine condition or preserved as a period-correct example, this engine remains a sought-after component for those who appreciate the marriage of British design and American engineering prowess.

### **Pros and Cons of Buying a 2005-2006 Rover 75 (LR3 Sport L320 4.4L V8) with Ending Camshafts**

#### **Overview**

The **2005-2006 Rover 75 (LR3 Sport) with the 4.4L V8 engine** is a luxury executive sedan based on the **MG Rover TF platform**, sharing components with the **MG Galaxy** and **MG XPower SV**. This model was sold in the UK and some European markets before MG Rover s collapse in 2005. The **L320 4.4L V8** (a rebadged **Ford Modular V8**) is a powerful but aging engine, and the **ending camshafts** (worn or failing camshaft lobes) are a critical issue that must be addressed before purchasing.

---

### **Pros**

1. **Strong Engine Power**

- The **4.4L V8** produces **280-300 hp** (depending on tuning), making it one of the most powerful engines in the Rover 75 lineup.

- Smooth power delivery and a **luxury sedan** feel, though handling is not as sharp as rivals like the Audi A6 or BMW 5 Series.

2. **Luxury Interior & Comfort**

- High-quality materials (leather, wood trim, power adjustments) and a **spacious cabin** with comfortable seating.

- **Quiet cabin** (for a V8) due to good sound insulation, though road noise increases at higher speeds.

3. **Reliability of the V8 (When Maintained)**

- The **Ford Modular V8** (used in the **Ford Thunderbird, Jaguar XK, and Volvo S80**) is a **proven engine** if properly maintained.

- **No major design flaws** beyond normal wear unlike some Rover engines (e.g., the 2.0L i4, which had oil consumption issues).

4. **Good Resale Value (For a Classic Rover)**

- Unlike the **Rover 25/75 s weaker engines**, the **V8 model holds value better** among enthusiasts.

- **Exotic status** few were made, making it a **collector s item** in some circles.

5. **Potential for Modifications & Tuning**

- The **V8 responds well to tuning** (e.g., **Ford V8 supercharger kits, intake upgrades**), allowing for **significant power gains** (400 hp with modifications).

- **Aftermarket support** exists for suspension, brakes, and interior upgrades.

6. **Spacious & Practical**

- **Large trunk (500 liters)** and **comfortable rear seats** (better than many rivals of the era).

- **Four-door sedan** with a **formal, executive appearance**.

7. **Potential for Restoration & Customization**

- The **LR3 Sport** has a **distinctive, aggressive stance** (with optional **LED fog lights, alloy wheels, and sport suspension**).

- **Classic Rover appeal** some buyers enjoy restoring and modifying pre-collapse British cars.

---

### **Cons**

1. **Ending Camshafts (Critical Issue)**

- **Excessive valve lash** (leading to **knocking, misfires, and poor performance**).

- **Oil consumption** (if the **valve seals or guides** are worn).

- **Potential for valve float** at high RPM (if not addressed).

- **Ticking/knocking noise** from the valve train.

- **Rough idle or hesitation**.

- **Check Engine Light (P0016, P0017, or misfire codes)**.

- **Camshaft replacement ( 800- 1,200 for parts labor)**.

- **Valve adjustment or lash caps replacement** (if not fully worn).

- **Must be done before buying** a **pre-purchase inspection (PPI) is essential**.

2. **Poor Reliability & Common Issues**

- The **4-speed automatic (ZF 4HP24)** is **prone to failure** (solenoid issues, rough shifting).

- **Manual transmission (if fitted)** is **less common but more reliable**.

- **Ball joints, bushings, and struts** wear out quickly due to **heavy weight and poor road manners**.

- **Power steering pump failure** (common in older Rovers).

- **Faulty sensors, wiring issues, and infotainment glitches** (original Rover systems were unreliable).

- **Floor pans, wheel arches, and underbody** can corrode in wet climates.

3. **Poor Handling & Driving Dynamics**

- **Heavy steering** (especially with power steering failure).

- **Soft suspension** (not sporty more of a **luxury cruiser**).

- **Poor roadholding** compared to rivals like the **Audi A6 or BMW 5 Series**.

4. **High Maintenance Costs**

- **Not a cheap car to own** parts (especially **V8 components, suspension, and electrical**) are **expensive**.

- **Specialist mechanics** may be needed for **Ford V8-specific issues**.

- **Insurance can be costly** (especially in the UK, where **Rovers are considered high-risk**).

5. **Depreciation & Market Limitations**

- **No official support** (MG Rover collapsed in 2005, so **no warranties or recalls**).

- **Parts availability is declining** many components are **discontinued or hard to find**.

- **Not a practical daily driver** better suited for **weekend cruising or enthusiasts**.

6. **Fuel Economy & Environmental Concerns**

- **Poor MPG ( 12-15 MPG combined)** for a V8 sedan.

- **High CO2 emissions** (not ideal for modern environmental regulations).

7. **Build Quality & Interior Issues**

- **Plastic components feel cheap** in some areas.

- **Original infotainment system** is **clunky and outdated**.

- **Rust and poor sealing** in some examples (check for **body corrosion**).

---

### **Ending Conclusion & Recommendation**

#### **Should You Buy This Rover 75?**

**You find a well-maintained example with fresh camshafts (or are prepared to replace them immediately).**

**You are an enthusiast who enjoys restoring/building classic cars and doesn t mind high maintenance costs.**

**You prioritize power and luxury over practicality and reliability.**

**You have access to a specialist mechanic familiar with Ford V8s and Rover drivetrain issues.**

**You are buying it as a project car, not a daily driver.**

**The camshafts are worn** (this is a **dealbreaker** do not buy without confirmation from a PPI).

**You need a reliable, low-maintenance daily car.**

**You cannot afford the cost of repairs (V8 servicing, suspension, electrical issues).**

**You live in a climate where rust is a major concern (check for corrosion).**

**You want a modern, efficient, or well-supported vehicle.**

#### **Best Approach if You Still Want It**

1. **Get a Pre-Purchase Inspection (PPI) from a Rover/Ford specialist.**

- **Camshaft condition** (listen for knocking, check valve lash).

- **Transmission fluid condition** (burnt smell failure).

- **Suspension components** (ball joints, bushings, struts).

- **Electrical system** (test all sensors, lights, infotainment).

- **Underbody rust** (especially in the UK).

- **Camshaft replacement ( 1,000 ).**

- **Transmission service/overhaul ( 1,500 ).**

- **Suspension refresh ( 800- 1,500).**

- **Used Audi A6 (C5/C6) More refined, better handling, but expensive.**

- **BMW 5 Series (E39/E60) More reliable, better resale.**

- **Mercedes-Benz E-Class (W210/W211) Luxury with better support.**

- **Jaguar XK8 (if you want a V8 with better reliability).**

#### **Final Verdict: Only for Enthusiasts with Deep Pockets**

The **2005-2006 Rover 75 LR3 Sport with the 4.4L V8** is a **fantastic project car for those who love British luxury and aren t afraid of mechanical challenges**. However, **it is not a

Details:

part #: 4h236a273ba prices

• $88.80-$350.00

specifications cylinderheapar:

• for years: 2005-2006
• brand: Range Rover
• mpn: 4h236a273ba
• part type: Engine Cam Camshaft
• make: Land
• interchange: 306-59394c
• fitment type: Direct Replacement
• id: De11cc52-3826-4a98-8344-74e7197d8b90
• paint: Silver

general cylinderheapar:

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

seller cylinderheapar:

• rating: 99.5%
• city: Independence, Oregon
• # reviews: 4307

returns cylinderheapar:

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

shipping cylinderheapar:

• cost: $0.00
• class: Standard
• service: FedEx Ground / FedEx Home Delivery, USPS Ground Advantage
• carrier: FedEx, USPS
• transit: 4-8 Days
• type: Fixed

offer cylinderheapar:

• sold: 0
• started: April 3, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1

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