NISSAN 18791-6LE0B Hose Emission Control

( Manufacturer Part Number: 18791-6LE0B ), ( Part Type: Control Hose ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review NISSAN Genuine Hose Emission Control

The **Nissan 18791-6LE0B Emission Control Hose** is a precision-engineered component designed specifically for Nissan vehicles equipped with advanced emission control systems, ensuring optimal performance and compliance with environmental regulations. This high-quality hose is crafted from durable, heat-resistant synthetic rubber, engineered to withstand the demanding conditions of modern automotive exhaust systems, including exposure to high temperatures, corrosive fumes, and constant vibration. Its robust construction prevents premature degradation, leaks, or kinks, which are common issues in standard hoses, thereby maintaining the integrity of the vehicle s emission control system over extended periods. The hose features a reinforced design with a smooth, flexible interior to facilitate efficient airflow while minimizing resistance, which is critical for the proper operation of the Exhaust Gas Recirculation (EGR) system or other emission-related components. Compatible with a range of Nissan models, including those from the late 2000s through the early 2020s, this part is an OEM replacement designed to match the exact specifications of the original equipment manufacturer, ensuring a perfect fit and seamless integration with the vehicle s exhaust manifold, EGR cooler, or turbocharger assembly. Whether used in replacement or as a preventive maintenance measure, this emission control hose helps preserve the vehicle s fuel efficiency, reduce harmful emissions, and extend the lifespan of related engine components. Its reliable performance and long-lasting durability make it an essential upgrade for drivers seeking to maintain their vehicle s compliance with emission standards while avoiding costly repairs associated with hose failure.

### **Pros and Cons of buying a Nissan Part Number 18791-6LE0B (Emission Control Hose)**

1. **OEM Quality** This is a genuine Nissan part, meaning it meets the manufacturer s specifications for fit, function, and durability. OEM parts are designed to match the original equipment in terms of material, performance, and compatibility, reducing the risk of premature failure or improper sealing.

2. **Reliability and Longevity** Nissan s emission control systems are built to last, especially when using genuine parts. The hose is likely made from high-quality materials resistant to heat, oil, and chemical exposure, which are common in exhaust and intake systems.

3. **Warranty Coverage** Purchasing from an authorized Nissan dealer or a reputable aftermarket supplier may include a warranty, providing peace of mind in case of defects. Some OEM parts come with a limited warranty, often ranging from 12 to 60 months, depending on the retailer.

4. **Precise Fit and Function** Since this is a direct replacement part, it should fit seamlessly into your vehicle s emission control system without requiring modifications. This reduces the risk of leaks, improper connections, or performance issues that can arise with aftermarket parts that may not be perfectly calibrated.

5. **Compliance with Emission Standards** The part is designed to meet the vehicle s emission control requirements, ensuring that your car passes inspections and avoids potential fines or failure in emissions testing. This is particularly important for older Nissan models that may be subject to stricter regulations.

6. **Ease of Installation** Being an OEM part, it is designed to be installed by mechanics with standard tools. The part number ensures compatibility with the vehicle s wiring, connectors, and mounting points, simplifying the replacement process.

7. **Support for Vehicle Resale Value** Using genuine parts can help maintain or even enhance your vehicle s resale value, as buyers often prefer cars that have been serviced with OEM components. This is especially relevant if you plan to sell the vehicle in the future.

---

1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of the Nissan 18791-6LE0B hose will likely be 2 to 5 times higher than a comparable aftermarket part. This can be a major drawback for budget-conscious buyers or those replacing multiple parts.

2. **Limited Availability** Genuine Nissan parts may not be readily available at all auto parts stores. You may need to order it from an authorized dealer, an online Nissan parts distributor, or a specialty supplier, which could involve waiting times or shipping costs.

3. **Potential Overkill for Minor Issues** If the hose failure is due to a minor issue (e.g., a small crack or wear from normal use), an OEM replacement might be more expensive than necessary. In such cases, an aftermarket part of similar quality could suffice without the premium price.

4. **Longer Wait Times** Ordering from a dealer or official supplier can sometimes result in longer lead times, especially if the part is not in stock. This may require you to rent a vehicle or arrange alternative transportation while waiting for the part.

5. **Potential for Unnecessary Replacement** If the hose failure is caused by an underlying issue (e.g., a failing gasket, clamp, or corrosion in the exhaust system), replacing just the hose with an OEM part may not address the root cause. This could lead to repeated failures and additional costs if the problem persists.

6. **Environmental and Ethical Considerations** OEM parts often come with higher environmental costs due to manufacturing processes and packaging. Some buyers prefer aftermarket or recycled parts to reduce their carbon footprint, though this is less of a practical concern than an ethical one.

7. **Dealer Markup** If purchasing from a dealership, there may be additional fees or markups on top of the part s cost. This can make the total expense even higher than anticipated.

---

### **Conclusion**

The Nissan 18791-6LE0B emission control hose is a high-quality, reliable part that ensures proper function and compliance with emission standards. Its OEM status guarantees a precise fit, durability, and often warranty coverage, making it an ideal choice for those who prioritize long-term reliability and vehicle integrity. However, the significantly higher cost, potential availability issues, and the possibility of addressing a deeper problem with a simpler solution must be weighed against these benefits.

For most owners who value their vehicle s performance, emissions compliance, and long-term reliability, the OEM part is the best choice. However, if budget is a concern and the hose failure is isolated (not part of a larger system issue), an aftermarket part of comparable quality may offer a cost-effective alternative without sacrificing too much in terms of durability or fit.

---

### **Recommendation**

- You want the most reliable and long-lasting solution.

- Your vehicle is subject to strict emissions regulations, and you need to ensure compliance.

- You are replacing the part as part of a scheduled maintenance or warranty service.

- You have access to an authorized dealer or supplier and can afford the higher cost.

- You are on a tight budget and the hose failure is isolated (not part of a larger issue).

- You can find a high-quality aftermarket part with good reviews and a reasonable warranty.

- You are comfortable with the risk of potential compatibility or durability issues, though reputable brands (e.g., Dorman, ACDelco, or Bosch) can mitigate this.

- Check for corrosion, leaks, or damage in the exhaust or intake system that may have contributed to the hose failure.

- Ensure that clamps, gaskets, or mounting brackets are in good condition to prevent future issues.

- If buying OEM, use an authorized Nissan dealer or a reputable online supplier (e.g., RockAuto, PartsGeek, or local Nissan parts distributors).

- If buying aftermarket, choose a well-reviewed brand and verify compatibility with your vehicle s year and model.

Ultimately, the OEM part is the safest and most reliable choice for most Nissan owners, but careful consideration of your budget and the specific circumstances of the failure will help you make the best decision.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. Electrical parts are not returnable.

part #: 187916le0b prices

• $14.35-$15.31

specifications emissyste:

• for makes: Nissan
• mpn: 18791-6le0b
• part type: Control Hose
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

shipping emissyste:

• transit: 3-9 Days
• class: Standard
• cost: $8.99
• service: Standard
• type: Fixed

payments emissyste:

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

offer emissyste:

• sold: 0
• quantity: 1
• availability: In Stock
• started: April 6, 2026
• options: Ship-to-home

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

seller emissyste:

• city: Rio Rancho, New Mexico
• # reviews: 690
• rating: 99.6%

returns emissyste:

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

Nissan 18791-6LE0B Is Similar To:

• 11810-31u00 Nissan Infiniti Genuine Oem Pcv Valve (41.2% similar) Image not available for this item...(April 3rd, 2018)
• 11810-40p00 Nissan Infiniti Genuine Oem Pcv Valve (41.2% similar) Please review the attached pictures of listed items carefully. Please, feel free to for any questions. For sale: nissan Infiniti 1181040P00 genuine oem PVC valve-new part, original packaging...(January 2nd, 2019)
• 11810-5h71a Nissan Genuine Oem Pcv Valve (43.2% similar) Image not available for this item...(July 31st, 2018)
• 11826-84a10 1182684a10 Oem Nissan Factory Genuine Pulsar Sentra Blowby Gas Hose Day (32.1% similar) Please match part for compatibility if available not, examine the pictures very closely and carefully before purchasing. In case of damage please save all boxes and packaging item. In most cases they're exact and some instances estimated. Due to varying production dates, the years in offer title or ...(November 4th, 2018)
• 14064-jd00a Nissan Genuine Oem Exhaust Manifold Stud (44% similar) ...(June 21st, 2018)
• 14069-7j50a Nissan Genuine Oem Shield Bolt (44.4% similar) ...(September 1st, 2018)
• 14713-40u01 Nissan Genuine Oem Spacer Tube (42.2% similar) ...(May 9th, 2018)
• 14719-0b000 Nissan Genuine Oem Valve Gasket (41.8% similar) ...(May 9th, 2018)
• 14730-19p00 Nissan Genuine Oem Temp Sensor (44.4% similar) ...(July 26th, 2018)
• 14730-4s100 Nissan Genuine Oem Temp Sensor (44.4% similar) ...(August 3rd, 2018)
• 14741-3s500 Nissan Genuine Oem Control Valve (54.3% similar) ...(October 1st, 2018)