LINCOLN 306-01734BL Driver Cylinder Head 8-330 5.4L 8TH

( Part Type: Driver Cylinder Head ), ( Genuine Oem: Yes ), ( Ipn: 306-01734bl ), ( Placement: Driver/left )

Review LINCOLN Driver Cylinder Head 5.4l Vin 8th Digit fits NAVIGATOR 2001–2004

The **Lincoln 306-01734BL Driver Side Cylinder Head** is a precision-engineered component designed specifically for the **8th Generation (2001 2004) Lincoln Navigator** with the **5.4L (330 cubic inch) Triton V8 engine**, identified by its **part number 306-01734BL**. This high-performance cylinder head is a critical part of the engine s combustion system, responsible for housing the intake and exhaust valves, spark plugs, and valve springs while ensuring optimal sealing and heat dissipation. Crafted from durable **cast iron**, this head is built to withstand the intense pressures and temperatures generated by the powerful **330 horsepower** Triton V8, which powers the Navigator s legendary towing capacity and smooth, responsive performance. The **driver-side head** features a **single overhead camshaft (SOHC)** design with **four valves per cylinder** (two intake and two exhaust), allowing for efficient airflow and improved combustion efficiency. The **porting and valve seats** are meticulously machined to maintain proper sealing and airflow, while the **integrated spark plug holes** ensure precise ignition timing for optimal power delivery. This component is also equipped with **threaded studs** for secure attachment to the engine block, along with **gasket surfaces** that are precision-mated to prevent leaks under high-pressure conditions. Whether replacing a worn or damaged head due to overheating, internal wear, or failure, this **OEM-quality replacement** ensures a perfect fit and restores the engine s performance to factory specifications. Ideal for restoration projects, high-mileage vehicles, or those seeking to enhance reliability, the **Lincoln 306-01734BL** is a must-have part for maintaining the power and durability of the Navigator s iconic V8 engine.

### **Pros and Cons of buying a Lincoln 306-01734BL Driver Cylinder Head (8.3L 5.4L, 8th Gen, 2001-2004 Navigator)**

1. **Direct OEM Replacement** This part is a genuine Lincoln/Mercury factory replacement, ensuring compatibility with your 2001-2004 Navigator s 8th-gen 5.4L V8 engine. It will fit perfectly without modifications, reducing the risk of installation issues.

2. **High-Quality Materials** Ford uses durable materials in their cylinder heads, which are designed to withstand the stress of high-performance applications. The casting and machining are built to last under normal operating conditions.

3. **Warranty Coverage** Purchasing from an authorized dealer or a reputable aftermarket supplier (like RockAuto, Summit Racing, or a local Ford parts store) often includes a warranty, typically 12-24 months. This provides peace of mind in case of defects.

4. **Ease of Installation** Since it s an OEM part, it should align correctly with your engine s gasket surfaces, bolts, and mounting points. However, proper gasket replacement and torque specifications must still be followed to prevent leaks.

5. **Reliability for Stock Applications** If your engine is running normally and you re replacing a worn or leaking head due to age or minor wear, this part will restore performance and prevent further damage (e.g., coolant leaks, overheating).

6. **Compatibility with Common Mods** Many aftermarket upgrades (e.g., headers, performance cams, or fuel system mods) pair well with OEM cylinder heads, as they are designed to handle stock or mild power increases.

7. **Resale Value** Using OEM parts can make it easier to sell or trade-in your vehicle later, as buyers often prefer factory-specified components.

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1. **Higher Cost Compared to Aftermarket Alternatives** OEM cylinder heads are significantly more expensive than aftermarket equivalents (e.g., from companies like **Crane, JE, or Scat**). For example, an aftermarket head might cost **$300 $600**, while this OEM part could range from **$800 $1,200 **, depending on the supplier.

2. **Longer Lead Times** OEM parts, especially for older Ford models, can take weeks to arrive from dealers or online retailers. Aftermarket parts often ship faster.

3. **Potential for Overkill for Minor Issues** If your cylinder head is only leaking slightly or has minor warping (not severe), an aftermarket head or even a remanufactured one might suffice at a lower cost. A full OEM replacement may be unnecessary unless the head is cracked or severely damaged.

4. **Weight and Size** OEM cylinder heads are heavier than some aftermarket lightweight alternatives (e.g., aluminum heads in performance builds). This may not matter for stock applications but could be a consideration for high-performance builds.

5. **Limited Customization** Unlike aftermarket heads, you cannot modify porting, valve sizes, or materials to optimize airflow or cooling. If you re planning aggressive engine modifications, an aftermarket head may offer better performance gains.

6. **Potential for Hidden Damage** If the head was damaged in an accident or suffered from poor maintenance (e.g., overheating), the OEM replacement may not address underlying issues like warping or cracked decks. A professional inspection is recommended before purchase.

7. **Installation Complexity** While the part fits, installing a cylinder head requires precision (proper gasket, torque sequence, and sealing). DIYers without experience may struggle, leading to costly mistakes if not done correctly.

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- You need a **direct factory replacement** for reliability and fitment.

- Your engine has **severe damage** (cracks, warping, or leaks) that requires an OEM-grade part.

- You want **warranty coverage** and peace of mind for a stock or mildly modified engine.

- You re replacing a **failed head** and don t want to risk aftermarket compatibility issues.

- Your head is only **mildly worn or leaking**, consider a **remanufactured or aftermarket head** to save money.

- You re planning **aggressive engine modifications**, an aftermarket head (e.g., from **Crane or JE**) may offer better performance.

- You want **faster shipping**, aftermarket parts are usually available sooner.

---

1. **Verify the Condition of Your Current Head** Before purchasing, have a mechanic inspect the head for cracks, warping, or exhaust port damage. If it s only leaking slightly, a **remanufactured head** (e.g., from **Crane or JE**) could be a cost-effective alternative.

- **Authorized Ford Dealers** (most expensive but guaranteed OEM).

- **Online Retailers** (RockAuto, Summit Racing, eBay from trusted sellers).

- **Local Ford Parts Stores** (sometimes offer discounts).

- **Aftermarket Brands** (e.g., **Crane Cylinder Head, JE Cylinder Head, or Scat**).

3. **Budget for Additional Costs**

- **Gaskets** (new head gasket, valve cover gasket, oil gallery gasket).

- **Torque Wrench** (if you don t own one).

- **Labor** (if not DIYing, expect **$500 $1,000 ** for professional installation).

4. **Consider Remanufactured Options** If the head is structurally sound but worn, a **remanufactured OEM head** (e.g., from **Crane or JE**) can be **30 50% cheaper** while still being high-quality.

5. **Install Properly** If DIYing, follow **Ford s torque specs** (typically **80 90 ft-lbs for head bolts**) and use a **new head gasket**. Improper installation can lead to leaks or warping.

For **most stock or mildly modified 2001 2004 Navigator owners**, the **OEM Lincoln 306-01734BL head is the safest choice** if the engine requires a full replacement. However, if budget is a concern and the head isn t severely damaged, a **remanufactured or aftermarket head** may be a smarter financial decision. Always prioritize **proper installation** to ensure longevity.

Details:

Some items do have more wear than others.

part #: 306-01734bl prices

• $77.85-$195.00

specifications cylinderheapar:

• for models: Navigator
• for makes: Lincoln
• for years: 2001-2004
• part type: Driver Cylinder Head
• genuine oem: Yes
• ipn: 306-01734bl
• placement: Driver/left

offer cylinderheapar:

• quantity: 1
• sold: 0
• availability: In Stock
• started: February 3, 2026
• options: Ship-to-home
• best offers: True

shipping cylinderheapar:

• service: FedEx Ground / FedEx Home Delivery
• cost: $75.00
• transit: 3-7 Days
• carrier: FedEx
• class: Standard
• type: Fixed

seller cylinderheapar:

• rating: 99.5%
• city: Easley, South Carolina
• # reviews: 14808

returns cylinderheapar:

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

general cylinderheapar:

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

payments cylinderheapar:

• credit card: Mastercard
• other
• wallet: Google-pay

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