NISSAN 306-10238R Passenger Right Cylinder Head

( Part Type: Cylinder Head ), ( Conditions Options: 3.8l ), ( Genuine Oem: Yes ), ( Ipn: 306-10238r ), ( Placement: Passenger/right ), ( Partout Id: A-122346063 )

Review NISSAN Passenger Right Cylinder Head fits FRONTIER 1925–2022

The **Nissan 306-10238R Passenger Side Cylinder Head** is a precision-engineered component designed specifically for the 2020 2025 Nissan Frontier, ensuring optimal performance and reliability for the vehicle s V6 engine architecture. This high-quality cylinder head is crafted from durable cast iron, engineered to withstand the intense heat and pressure generated during combustion while maintaining structural integrity over extended periods of use. The head features a meticulously machined combustion chamber design, optimized for efficient airflow and improved thermal management, which contributes to better fuel economy and reduced emissions. The integrated valve train system includes precision-machined intake and exhaust ports, allowing for optimal gas flow and enhanced engine breathing, particularly under high-load conditions such as towing or heavy-duty driving. The head is equipped with a robust valve cover, complete with a gasket and mounting hardware, ensuring a secure seal to prevent oil leaks and contamination. Additionally, the design incorporates modern sealing technologies, including high-temperature-resistant gaskets, to prevent coolant leaks and maintain proper engine cooling efficiency. Whether replacing a worn or damaged head due to overheating, warping, or internal failure, this OEM-quality part guarantees a seamless fit and performance equivalent to the original equipment, helping restore the Frontier s power output, responsiveness, and longevity. Ideal for mechanics and DIY enthusiasts alike, this cylinder head is a critical component for maintaining the engine s peak condition, ensuring smooth operation and extended service life.

### **Pros and Cons of Buying a Nissan 306-10238R Passenger-Side Cylinder Head (20-25 Frontier)**

1. **Compatibility and Fit:** This part is specifically designed for the 20-25 Nissan Frontier, ensuring a proper fit without modifications. It is a direct replacement for the original passenger-side cylinder head, which reduces the risk of installation issues.

2. **Performance Potential:** A well-maintained or upgraded cylinder head can improve engine efficiency, power output, and reliability. If the original head was damaged or worn, replacing it may restore proper sealing, cooling, and combustion performance.

3. **Prevents Further Damage:** If the cylinder head is cracked, warped, or leaking, ignoring it can lead to catastrophic engine failure (e.g., blown head gasket, coolant leaks, or overheating). Replacing it early can save significant repair costs down the line.

4. **Aftermarket Support:** This part is widely available from both OEM (Original Equipment Manufacturer) and aftermarket suppliers, meaning you have options for pricing, quality, and availability.

5. **Potential for Upgrades:** If you re looking to modify your engine (e.g., forced induction, high-performance tuning), a new cylinder head can be a good starting point for upgrades like porting, valve job, or high-flow valves.

6. **Warranty Coverage:** If purchasing from a reputable dealer or aftermarket supplier, some parts may come with a warranty, providing peace of mind against defects.

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1. **Cost:** A new or high-quality used cylinder head can be expensive, especially if you opt for an OEM or performance-grade part. Labor costs for installation (if not DIY) can also add up.

2. **Installation Complexity:** Replacing a cylinder head requires mechanical skill, specialized tools (e.g., torque wrench, head gasket scraper, compression tester), and patience. Improper installation can lead to leaks, warping, or poor sealing.

3. **Additional Repairs May Be Needed:** If the cylinder head is being replaced due to failure, other components (e.g., head gasket, intake manifold, valves, or seals) may also be worn or damaged. These will need to be addressed simultaneously, increasing costs.

4. **Timing and Labor Intensive:** Removing and reinstalling a cylinder head is a labor-intensive process that requires disassembling much of the engine and drivetrain. This can take several hours, depending on the vehicle s condition and the mechanic s experience.

5. **Risk of Counterfeit Parts:** If purchasing from an unknown seller, there s a chance of receiving a counterfeit or low-quality part. Always buy from trusted suppliers to avoid this risk.

6. **Potential for Overkill:** If the cylinder head failure was isolated (e.g., a single crack) and the rest of the engine is in excellent condition, replacing it may feel like an unnecessary expense. In such cases, a repair (e.g., welding a crack) might be a more cost-effective solution.

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Replacing a Nissan 306-10238R passenger-side cylinder head is a significant but often necessary repair for maintaining engine health, especially if the head is cracked, warped, or leaking. The decision to proceed depends on the severity of the issue, your budget, and whether you re comfortable with the installation process.

If the cylinder head is beyond repair and the engine is otherwise healthy, replacing it is a wise long-term investment to prevent costly engine damage. However, if you re on a tight budget or the head failure is minor, consulting a mechanic for repair options (e.g., welding or reconditioning) may be a more practical approach.

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1. **Diagnose Thoroughly:** Before purchasing, confirm the exact issue with the cylinder head (e.g., cracks, warping, valve seat damage). A compression test or leak-down test can help assess the severity.

2. **Compare Prices:** Get quotes from multiple suppliers (OEM, aftermarket, or used/rebuilt) to ensure you re getting a fair price. Avoid overly cheap parts, as they may be low-quality or counterfeit.

3. **Consider Professional Installation:** If you lack mechanical experience, have a trusted mechanic perform the installation to avoid mistakes that could void warranties or cause further damage.

4. **Bundle Repairs:** If other components (e.g., head gasket, seals, or valves) need replacement, address them at the same time to save on labor costs.

5. **DIY if Confident:** If you re experienced with engine work and have the tools, installing the head yourself can save money. However, proceed with caution and follow manufacturer guidelines precisely.

6. **Prioritize Quality:** Opt for a reputable brand or OEM part to ensure reliability. Avoid parts with no warranty or unclear provenance.

**Final Verdict:** If the cylinder head is critically failing and the engine is otherwise sound, replacing it is the best course of action for long-term reliability. Weigh the cost against the risk of engine failure to make an informed decision.

Details:

Domestically, items are shipped with UPS Ground. FRONTIER 20-25 R. Warranty Standard no-hassle 30-day warranty on most parts. 90 day warranty only on ENGINES AND TRANSMISSIONS.

Price for residential address delivery may be quoted individually and usually is twice as much commercial.

part #: 306-10238r price

• $302.89

specifications cylinderheapar:

• for models: Frontier
• for makes: Nissan
• for years: 1925-2022
• part type: Cylinder Head
• conditions options: 3.8l
• genuine oem: Yes
• ipn: 306-10238r
• placement: Passenger/right
• partout id: A-122346063

seller cylinderheapar:

• city: San Diego, California
• rating: 99.6%
• # reviews: 10774

shipping cylinderheapar:

• class: Standard
• type: Fixed
• transit: 4-10 Days
• cost: $0.00
• service: Standard

offer cylinderheapar:

• quantity: 1
• availability: In Stock
• sold: 0
• started: April 10, 2026
• options: Ship-to-home
• best offers: True

returns cylinderheapar:

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

general cylinderheapar:

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

payments cylinderheapar:

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

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