HONDA 6FB2 Engine Motor Right Cylinder Head 3.5L 21k

( Manufacturer Part Number: 6FB2 ), ( Type: Cylinder Head ), ( Oe/oem Part Number: 123016fb305 / 12301-6fb-305, 142206fba01 / 14220-6fb-a01, 142106fba01 / 14210-6fb-a01 ), ( Material: Undefined ), ( Vintage Part: No ), ( Finish: Unfinished ), ( Country Of Origin: Japan )

Review HONDA 3.5l Engine Motor Right Side Cylinder Head Oem 21k fits PILOT 2023–2025

The **Honda 6FB2 2023 2025 Pilot 3.5L V6 Engine Right Cylinder Head** represents a refined and high-performance component engineered for Honda s latest generation of luxury SUVs, specifically the 2023 2025 model years of the Pilot. This precision-crafted cylinder head is a critical element of Honda s advanced **3.5L V6 J35A engine**, designed to deliver a seamless blend of power, efficiency, and reliability. The right cylinder head, part of the dual-overhead-camshaft (DOHC) architecture, features a sophisticated valve train system that includes **four valves per cylinder (two intake and two exhaust)** to optimize airflow and combustion efficiency. Constructed from high-strength aluminum alloy, it is engineered to withstand the thermal and mechanical stresses of high-performance driving while maintaining optimal weight-to-strength ratios. The head incorporates **Honda s Variable Valve Timing and Lift Electronic Control (VTEC)** technology, allowing dynamic adjustments to valve timing and lift for enhanced throttle response, fuel economy, and emissions compliance. Key design elements include **precision-machined combustion chambers** and **integrated cooling passages** to ensure consistent performance under varying operating conditions. The cylinder head also integrates with the engine s **direct-injection system**, enabling precise fuel delivery for improved efficiency and reduced emissions. Whether installed in a standard or high-performance variant of the Pilot, this component plays a pivotal role in delivering Honda s signature balance of power and refinement, ensuring a smooth, responsive, and durable driving experience. For enthusiasts and mechanics alike, this cylinder head exemplifies Honda s commitment to engineering excellence, combining cutting-edge technology with proven reliability to meet the demands of modern automotive performance.

### **Pros and Cons of Buying a Honda 6FB2 2023 2025 Pilot 3.5L Engine Right Cylinder Head (Used/Aftermarket)**

1. **Reliability and Durability** Honda s 3.5L V6 (6FB2) engine is known for its robust construction, long service intervals, and strong aftermarket support. The right cylinder head is a common component, making replacements easier to source.

2. **Performance Potential** The 6FB2 is a high-performance engine (used in the Pilot, Accord, and NSX) with good power output (280 300 hp in stock form). Upgrading the right cylinder head (e.g., with high-flow headers, upgraded valves, or forged internals) can improve airflow and efficiency.

3. **Aftermarket Availability** Since the 6FB2 is a popular engine, parts like cylinder heads, valves, springs, and gaskets are widely available from brands like **JE, Comp Cams, Scat, and Honda Performance Parts**.

4. **Compatibility with Modifications** The engine is well-suited for forced induction (turbo/supercharger) builds, which can significantly increase power. Upgrading the right cylinder head (e.g., with a stronger valve spring or larger ports) can help with high-RPM reliability.

5. **Cost-Effective Upgrade** Compared to a full engine rebuild, replacing just the right cylinder head (if damaged or worn) is a relatively affordable fix, often costing **$300 $800** depending on labor and parts.

6. **Potential for Increased Longevity** If the cylinder head is failing due to wear (e.g., valve stem seals, exhaust ports), replacing it early can prevent catastrophic engine damage.

7. **DIY-Friendly** The 6FB2 is a relatively straightforward engine to work on, with clear service manuals and online tutorials available.

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1. **Potential for Hidden Issues** If purchasing a used cylinder head, there s a risk of **internal damage (warped deck, cracked ports, or worn valve guides)** that may not be immediately visible. Always inspect for:

- **Warping** (check with a straightedge and feeler gauge)

- **Exhaust port erosion** (common in high-mileage engines)

- **Valve seat recession** (can cause leaks and poor sealing)

- **Cracked combustion chambers** (common in turbocharged applications)

2. **Labor-Intensive Removal/Installation** Removing the cylinder head requires **removing the intake manifold, fuel rails, and exhaust headers**, which can be time-consuming if not done carefully.

3. **Gasket and Seal Replacement Needed** Even if the head itself is good, **new head gaskets, valve cover gaskets, and exhaust manifold gaskets** are typically required, adding to costs.

4. **Turbocharged Applications May Need Extra Attention** If the engine is turbocharged, the right cylinder head may experience **higher heat and stress**, leading to faster wear of **valve springs, retainers, and exhaust ports**. A **stiffer valve spring kit** may be necessary.

5. **Mismatched Parts Risk** If buying a used head, ensure it matches the **engine block s deck height and bolt pattern**. Some aftermarket heads may not fit perfectly without machining.

6. **Potential for Overbuilding** If the rest of the engine (block, crank, rods) is worn, upgrading just the cylinder head without addressing those issues can lead to **premature failure**.

7. **Warranty Concerns** If buying from a dealer or aftermarket seller, check for **warranty coverage** some used parts may come with limited guarantees, while others may be sold "as-is."

---

### **Conclusion**

Buying a **Honda 6FB2 right cylinder head (2023 2025 Pilot 3.5L)** can be a **smart, cost-effective upgrade** if you re addressing a specific issue (e.g., leaking valves, warped deck, or exhaust port erosion). The engine s **reliability, aftermarket support, and performance potential** make it a strong candidate for modifications.

However, **buying used without inspection carries risks** hidden damage, incorrect sizing, or mismatched parts could lead to **further engine problems**. If possible, **source a new or reconditioned head** from a trusted supplier (e.g., **Honda Performance Parts, JE, or a reputable engine machine shop**).

For **DIY enthusiasts**, this is a **manageable project** if done carefully, but **professional installation is recommended** if unsure about gasket sealing or valve adjustments.

- **Buy new or reconditioned** from a trusted source (avoid unknown used parts).

- **Inspect the block and internals** if the engine is high-mileage, consider a **full valve job or engine rebuild**.

- **Upgrade valve springs/retainers** if planning forced induction.

- **Get an inspection** from a mechanic or machine shop before purchasing.

- **Check for warping, cracks, and port condition** a simple **feeler gauge test** can reveal issues.

- **Consider a full cylinder head service** (port matching, valve grinding) if modifying for performance.

- **Do not skip valve spring upgrades** the stock springs may not handle boost.

- **Use high-quality gaskets** (e.g., **Fel-Pro or Cometic**) to prevent leaks.

A **well-sourced cylinder head upgrade is a worthwhile investment** for reliability and performance, but **cutting corners on quality or inspection can lead to bigger problems down the line.** If in doubt, **consult an engine specialist** before proceeding.

Details:

Color: BLUE B588P-OBSIDIAN PEARL EXTERIOR / GRAY GR INTERIOR. Shipping FREE SHIPPING available for most items within lower 48 states. Donor vehicle: 2023 HONDA PILOT ELITE 3.5L V6 AWD AUTOMATIC TRANSMISSION. Please verify it fits and is compatible with your specific model before purchasing.

This item has been previously used. Mileage: 21K MILES.

part #: 6fb2 price

• $1199.99

specifications cylinderheapar:

• for models: Pilot
• for makes: Honda
• for years: 2023-2025
• mpn: 6fb2
• type: Cylinder Head
• oe/oem part number: 123016fb305 / 12301-6fb-305, 142206fba01 / 14220-6fb-a01, 142106fba01 / 14210-6fb-a01
• material: Undefined
• vintage part: No
• finish: Unfinished
• country of origin: Japan

offer cylinderheapar:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• sold: 0
• started: April 20, 2026
• quantity: 1

shipping cylinderheapar:

• class: Economy
• type: Fixed
• transit: 3-8 Days
• service: Economy
• cost: $50.00

returns cylinderheapar:

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

seller cylinderheapar:

• # reviews: 88803
• city: Traverse City, Michigan
• rating: 99.9%

general cylinderheapar:

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

payments cylinderheapar:

• other
• wallet: Paypal
• credit card: Diners-club

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