fits make: Nissan.

( Manufacturer Part Number: 11823-6RC2C ), ( Part Type: Hose ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Replaces Part Number: 11823-6rc1c )
The **Nissan 11823-6RC2C Blowby Gas Hose** is a precision-engineered component designed specifically for Nissan vehicles equipped with turbocharged or high-performance engines, where proper exhaust gas management is critical to maintaining optimal performance and longevity. This high-quality hose is crafted from durable, heat-resistant synthetic rubber, reinforced with a robust textile or fiberglass braid to ensure exceptional durability against the harsh conditions of blowby gases mix of unburned fuel, oil, and combustion byproducts that escape past the piston rings and into the crankcase. The hose features a tight, secure fit with reinforced clamp ends, allowing for a leak-proof connection to the PCV (Positive Crankcase Ventilation) system or turbocharger wastegate, preventing gas leaks that could degrade engine efficiency or contaminate the intake system. Its smooth, flexible construction minimizes stress on surrounding components while withstanding temperatures typically encountered in turbocharged applications, often exceeding 200 F (93 C) without degrading or cracking. Ideal for use in vehicles like the Nissan GT-R (R35), 370Z, 350Z, and other turbocharged models, this hose is a direct-fit replacement for the original equipment part, ensuring compatibility with the vehicle s factory specifications. Proper installation is essential, as blowby gases must be safely routed away from the engine bay to prevent oil dilution, carbon buildup, or even potential fire hazards, making this hose a vital yet often overlooked component in maintaining peak engine health and performance.
### **Pros and Cons of buying a Nissan 11823-6RC2C Blowby Gas Hose**
The **Nissan 11823-6RC2C blowby gas hose** is a critical component in preventing oil contamination in the PCV (Positive Crankcase Ventilation) system of certain Nissan engines. Below is a detailed analysis of its advantages and drawbacks, followed by a conclusion and recommendation.
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### **Pros**
1. **Direct OEM Fitment**
- This part is an **original equipment manufacturer (OEM) replacement**, meaning it is designed to match the specifications of the original component used in Nissan vehicles. This ensures proper sealing, compatibility, and functionality with the engine s PCV system.
2. **Prevents Oil Contamination**
- The blowby gas hose directs crankcase gases away from the engine bay, reducing the risk of oil leaks, sludge buildup, and potential damage to other components (such as the air filter or intake system). Proper function of this hose helps maintain engine cleanliness and longevity.
3. **Compatibility with Common Nissan Engines**
- This part is designed for use in **Nissan engines that require a 6RC2C blowby gas hose**, including models like the **350Z, 370Z, GT-R (R35), and some Altima/Maxima variants**. If your vehicle s service manual or parts database confirms this fit, it is a reliable choice.
4. **Durability and Material Quality**
- OEM parts are typically made from **high-quality rubber or synthetic materials** that resist heat, oil, and engine vibrations. This reduces the likelihood of premature failure compared to aftermarket knockoffs.
5. **Ease of Installation**
- The hose is straightforward to install, requiring only basic tools. Most users can replace it without professional assistance, saving labor costs. Installation typically involves disconnecting the hose from the PCV valve and crankcase, then securing it to the new part.
6. **Warranty Coverage (If Purchased from Authorized Dealers)**
- When buying from **Nissan dealerships or authorized distributors**, the part may come with a limited warranty, providing peace of mind against defects.
7. **Prevents Engine Misfires and Performance Issues**
- A failing blowby gas hose can allow unburned gases to enter the intake, leading to **rough idling, misfires, or reduced engine efficiency**. Replacing it ensures proper ventilation and maintains optimal engine performance.
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### **Cons**
1. **Higher Cost Compared to Aftermarket Alternatives**
- OEM parts are generally **more expensive** than aftermarket equivalents. While the price difference may be justified by quality, budget-conscious buyers may opt for cheaper alternatives, though with potential trade-offs in durability or fitment.
2. **Potential for Counterfeit Parts**
- Purchasing from **unauthorized sellers (e.g., eBay, Amazon, or unscrupulous online marketplaces)** increases the risk of receiving **fake or low-quality knockoffs**. Always buy from **reputable dealers, Nissan-approved suppliers, or trusted auto parts stores** to avoid this issue.
3. **Limited Availability Outside Nissan Networks**
- Unlike widely available aftermarket parts, OEM Nissan hoses may not be stocked at every auto parts store. Buyers may need to **order online or visit a Nissan dealership**, which could take longer than picking up an aftermarket part.
4. **Overkill for Minor Issues**
- If the original hose failed due to **minor wear (e.g., cracking from age)** rather than a systemic problem, some mechanics might argue that an **aftermarket hose of similar quality** could suffice. However, since this is an OEM part, there is no risk of compatibility issues.
5. **Potential for Overengineering in Some Cases**
- For vehicles with **high mileage or severe engine wear**, the blowby gas hose may still fail if the **PCV system as a whole is degraded**. Replacing just the hose without addressing other components (e.g., a clogged PCV valve or cracked crankcase) may provide only temporary relief.
6. **Installation Risks if Improperly Done**
- While the installation is simple, **incorrect routing, improper sealing, or overtightening** can damage the hose or adjacent components. Those unfamiliar with engine maintenance should consult a professional.
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### **Conclusion**
The **Nissan 11823-6RC2C blowby gas hose** is a **reliable, high-quality OEM replacement** that ensures proper function of the PCV system, preventing oil contamination and maintaining engine health. Its **direct fitment, durability, and compatibility** make it an excellent choice for Nissan owners who prioritize **long-term reliability and peace of mind**.
However, the **higher cost and potential for counterfeit parts** (if purchased from untrusted sources) are notable drawbacks. For most Nissan owners, the **benefits outweigh the drawbacks**, especially when compared to aftermarket parts that may not guarantee the same level of fitment or longevity.
If budget is a concern, **high-quality aftermarket alternatives** (e.g., from **Gates, Dayco, or ACDelco**) can be considered, but they should be **verified for proper fitment** before purchase. Always **cross-reference the part number with your vehicle s service manual** to ensure compatibility.
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### **Final Recommendation**
**Buy the Nissan 11823-6RC2C blowby gas hose if:**You need **OEM-level reliability** and compatibility.
You are replacing a **failed or worn hose** in a Nissan vehicle that requires this exact part.
You are purchasing from a **trusted dealer or authorized distributor** to avoid counterfeit parts.
You want to **prevent long-term engine issues** related to PCV system failure.
**Consider an aftermarket alternative if:**You are on a **tight budget** and can verify that a **high-quality aftermarket hose** (e.g., Gates 52000 or Dayco 5100) fits perfectly.
You are comfortable **researching part compatibility** to ensure no engine-specific modifications are required.
**Best Practice:**- **Check your vehicle s service manual** to confirm the exact part number and fitment.
- **Purchase from a reputable source** (Nissan dealership, RockAuto, Amazon (with seller verification), or local auto parts stores with return policies).
- **Inspect the hose upon arrival** for manufacturing defects or damage.
- **Follow installation guidelines carefully** to avoid damaging adjacent components.
For most Nissan owners, the **Nissan 11823-6RC2C is the safest and most reliable choice**, ensuring proper engine function and longevity.
All parts must be in their original condition, not used or tried, and cannot disassembled damaged by incorrect installation. Shipping is available to the 48 Continental USA only. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Genuine Nissan Parts.
APO orders cannot be shipped ground.