HONDA R9P-6 Left Cylinder Head Gas Front 3.5

( Manufacturer Part Number: R9P-6 ), ( Fitment Type: Direct Replacement ), ( Mounting Hardware Included: No ), ( Manufacturer Warranty: 30 Days ), ( Type: Left Cylinder Head ), ( Engine Size: 3.5 ), ( Engine Code: J35y6 ), ( Valvetrain Iteration: Sohc ), ( Transmission Type: Automatic ), ( Location Id: 3w04 ), ( Vehicle Id: 16768 )

Review HONDA Left Cylinder Head 3.5 Gas Front fits PILOT 2016–2022

The **Honda R9P-6 Left Cylinder Head** is a precision-engineered component designed exclusively for the **2016 2022 Honda Pilot 3.5L Gasoline Front-Wheel Drive (FWD) models**, featuring the iconic **V6 engine architecture** found in Honda s legendary J-series powerplants. This high-performance cylinder head is crafted from **high-grade aluminum alloy**, ensuring an optimal balance of strength, durability, and weight efficiency, which is critical for maintaining peak engine performance and thermal management. The head is meticulously machined to Honda s exacting specifications, including **intake and exhaust valve seats**, **combustion chamber contours**, and **spark plug boss threading**, all of which are critical for proper engine function and fuel efficiency. The **left cylinder head** is specifically tailored to accommodate the **left-side cylinder bank** of the V6 engine, featuring **six individual spark plug holes**, **six intake ports**, and **six exhaust ports**, all aligned with the engine s camshaft and valve train components. This component is essential for housing the **intake and exhaust valves**, **valve springs**, **valve guides**, and **valve seals**, all of which work in unison to regulate airflow and combustion within the engine s cylinders. The head also integrates **fuel injector mounting points** and **coil-on-plug ignition system compatibility**, ensuring seamless integration with the engine s electronic control unit (ECU) for precise fuel delivery and ignition timing. Built to withstand the demands of high-performance driving, this cylinder head is designed to resist warping, corrosion, and thermal stress, even under prolonged high-load conditions. Whether you're restoring a classic Pilot, upgrading an engine for enhanced power, or replacing a worn-out component, this **OEM-quality R9P-6 left cylinder head** delivers the reliability and performance expected from Honda s legendary engineering. Proper installation requires specialized tools, gaskets, and torque specifications to ensure a leak-free seal and optimal engine function, making it a must-have replacement for any serious mechanic or enthusiast working on this popular Honda model.

### Pros and Cons of Buying a Honda R9P-6 Left Cylinder Head for a 2016 2022 Pilot 3.5L Gas Engine (Front)

1. **Direct OEM Replacement** The R9P-6 cylinder head is the exact part intended for your 3.5L V6 engine, ensuring proper fitment and compatibility with factory components like valves, springs, and rocker arms.

2. **Reliability** Honda s R9P-6 design is well-proven, with a solid reputation for durability in the Pilot s 3.5L engine lineup. Many owners report long-term performance without major issues.

3. **Ease of Installation** Since it s an OEM part, installation typically requires fewer modifications compared to aftermarket alternatives. Gaskets, bolts, and alignment are straightforward if done correctly.

4. **Warranty Coverage** If purchased new or from an authorized dealer, it may still carry Honda s limited warranty, providing peace of mind against defects.

5. **Performance Consistency** Unlike some aftermarket heads, the R9P-6 maintains the engine s stock power output and efficiency, avoiding potential drivability issues from non-OEM modifications.

6. **Availability of Parts** Since it s an OEM component, you ll have easy access to replacement gaskets, bolts, and related hardware if needed during installation or later maintenance.

7. **Compatibility with Stock Upgrades** If you plan to use factory-recommended upgrades (e.g., high-flow intake, exhaust, or ECU tuning), the R9P-6 will integrate seamlessly without conflicts.

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1. **Cost** OEM cylinder heads are expensive, often ranging between **$800 $1,500 ** depending on the source (new, used, or rebuilt). This can be a significant upfront investment, especially if labor costs are factored in.

2. **Long Lead Times** New OEM parts may require extended wait times due to supply chain constraints or dealer inventory limitations. Used/rebuilt heads might be available faster but could come with unknown wear.

3. **Potential for Hidden Damage** If purchasing a used or rebuilt head, there s a risk of internal damage (e.g., warped decks, cracked valves, or worn valve seats) that isn t immediately visible. Inspection by a trusted mechanic is critical.

4. **Labor-Intensive Replacement** Removing and reinstalling a cylinder head requires disassembling the engine, draining fluids, and precise reassembly. This is a **multi-hour job** for a professional mechanic, adding to the total cost.

5. **No Performance Gains** Unlike aftermarket heads designed for forced induction or high-RPM applications, the R9P-6 is optimized for stock power. If you re tuning for significant horsepower increases, you may need additional modifications (e.g., upgraded internals, valve springs).

6. **Wear and Tear Risk** If the engine has been misused (e.g., frequent short trips, lack of oil changes, or overheating), the cylinder head may already have internal wear (e.g., valve guide leaks, burnt valves). A pre-purchase inspection is essential.

7. **Depreciation** Once installed, the head s value depreciates to zero. If you later decide to sell the vehicle, you won t recoup this cost.

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- **Engine Condition:** If your engine has signs of carbon buildup, valve wear, or overheating, address those first to avoid repeating issues with a new head.

- **Source of the Part:** Prioritize **new OEM parts from Honda dealers** or **reputable rebuilt suppliers** (e.g., Summit Racing, RockAuto, or trusted local shops). Avoid "junkyard specials" unless thoroughly inspected.

- **Budget for Labor:** Factor in **$500 $1,200 ** for professional installation, depending on your location and mechanic s rates.

- **Used/Rebuilt Heads** (cheaper but higher risk; inspect for cracks, warping, or internal damage).

- **Aftermarket Heads** (e.g., from companies like **JE, Edelbrock, or ProFormance**) if you re tuning for performance, though these may require additional modifications.

- **Engine Replacement** (if the engine is severely worn, replacing it with a used/remanufactured unit might be more cost-effective long-term).

---

Buying an **OEM Honda R9P-6 left cylinder head** for your 2016 2022 Pilot s 3.5L engine is the **safest and most reliable choice** if your goal is **restoration to stock specifications** or **long-term durability**. It eliminates compatibility risks and ensures the engine runs as intended by Honda. However, the **high cost and labor requirements** make it a significant investment, so it s best suited for:

- Owners who prioritize **reliability and longevity** over performance gains.

- Those who have **confirmed engine health** (no internal damage, proper maintenance history).

- Situations where **aftermarket parts are not feasible** (e.g., strict warranty or insurance requirements).

**If your budget is tight or you re planning performance modifications**, explore **rebuilt OEM heads** (with a mechanic s inspection) or **high-quality aftermarket alternatives** designed for your specific tuning goals. Always **get a pre-purchase inspection** if buying used, and **document the engine s condition** before installation to avoid disputes.

- **For stock reliability:** Purchase a **new or rebuilt OEM R9P-6 head** from a trusted source and have it professionally installed.

- **For cost savings:** Consider a **used head with a full inspection** (valve seats, deck flatness, internals) and budget for potential additional repairs.

- **For performance projects:** Research **aftermarket heads** (e.g., JE or Edelbrock) and pair them with necessary supporting mods (e.g., upgraded camshafts, fuel system upgrades).

Prioritize **quality over price** a poorly installed or damaged head can lead to **expensive engine damage** down the line.

Details:

Aura TLX 2015 2020 3.5L. Aura MDX 2014 2023 3.5L. Aura RLX 2014 2020 3.5L. Please replace such items as required for proper installation.

Honda Odyssey 2018 2022 3.5L.

part #: r9p6 price

• $324.95

specifications cylinderheapar:

• for models: Pilot
• for makes: Honda
• for years: 2016-2022
• mpn: R9p-6
• fitment type: Direct Replacement
• mounting hardware included: No
• manufacturer warranty: 30 Days
• type: Left Cylinder Head
• engine size: 3.5
• engine code: J35y6
• valvetrain iteration: Sohc
• transmission type: Automatic
• location id: 3w04
• vehicle id: 16768

seller cylinderheapar:

• rating: 99.8%
• # reviews: 69555
• city: Denver, Colorado

offer cylinderheapar:

• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: March 5, 2026

shipping cylinderheapar:

• class: Standard
• cost: $0.00
• type: Fixed
• transit: 2-5 Days
• service: Standard

payments cylinderheapar:

• credit card: Visa
• wallet: Apple-pay
• other

general cylinderheapar:

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

returns cylinderheapar:

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

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