1. Exhaust & Emission Parts To Buy
  2. sku: 20470638136666793
  3. NISSAN 18791-6CC1A

NISSAN 18791-6CC1A Vapor Hose

fits model: Altima. make: Nissan. year: 2019–2024.

18791-6cc1a Nissan Genuine Vapor Hose

( Manufacturer Part Number: 18791-6CC1A ), ( Part Type: Hose ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Year: 2019 2020 2021 2022 2023 2024 ), ( Parts Included: Only Part Reference 15 On The Diagram Is Included )

Review NISSAN Genuine Vapor Hose fits ALTIMA 2019–2024

The **Nissan 18791-6CC1A Vapor Hose** is a precision-engineered automotive component designed to ensure optimal performance and longevity for Nissan vehicles equipped with fuel-injected engines. This high-quality rubber hose plays a critical role in the vehicle s evaporative emission control system (EVAP), responsible for channeling fuel vapors from the fuel tank and canister to the intake manifold, where they are safely burned during combustion. Crafted from durable, heat-resistant synthetic rubber, this hose is engineered to withstand the harsh conditions of an engine bay, including exposure to engine heat, oil, and fuel vapors, while maintaining its flexibility and structural integrity over time. The 18791-6CC1A is specifically tailored to fit Nissan models with the **QR25DE, VQ30DE, VQ35DE, and VQ37VHR** engines, ensuring a seamless connection between the fuel tank purge valve, charcoal canister, and intake system. Its reinforced construction prevents kinking, cracking, or degradation, which could lead to leaks, reduced engine efficiency, or even triggering the check engine light due to improper EVAP system function. Whether installed during routine maintenance or as part of a repair for a worn or damaged original hose, this replacement part guarantees a secure, leak-free seal and reliable operation, contributing to cleaner emissions and smoother engine performance. Built to meet Nissan s stringent quality standards, the 18791-6CC1A vapor hose is a dependable choice for mechanics and DIY enthusiasts alike, offering both durability and compatibility for a wide range of Nissan applications.

**Pros and Cons of buying a Nissan Part Number 18791-6CC1A (Vapor Hose)**

### **Pros:**

1. **OEM Quality** This is an original equipment manufacturer (OEM) part, meaning it meets Nissan s exact specifications for fit, function, and durability. OEM parts are designed to match the vehicle s performance and longevity, reducing the risk of compatibility issues or premature failure.

2. **Reliability and Longevity** OEM parts are built to withstand the same conditions as the original component, which can extend the life of your vehicle s emissions system. A high-quality vapor hose ensures proper operation of the EVAP (Evaporative Emission Control) system, preventing leaks that could trigger check engine lights or fail emissions tests.

3. **Warranty Coverage** If purchased directly from Nissan or an authorized dealer, this part may come with a warranty, providing peace of mind in case of defects. Some third-party sellers also offer warranties, though these vary by retailer.

4. **Easy Installation** The design of OEM parts is standardized for Nissan vehicles, making installation straightforward for most mechanics or even DIYers with basic tools. Replacement typically involves disconnecting the hose from the fuel tank, EVAP canister, or charcoal canister and securing the new part in place.

5. **Prevents Emissions Failures** A failing vapor hose can cause the EVAP system to malfunction, leading to failed emissions tests or reduced fuel efficiency. Replacing it with an OEM part ensures the system operates correctly, avoiding costly repairs or retests.

6. **Compatibility** Since it s a direct replacement, there s no risk of sizing or material mismatches that could occur with aftermarket alternatives. This is particularly important for vehicles with strict emissions regulations.

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### **Cons:**

1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives. The Nissan 18791-6CC1A vapor hose may cost significantly more than a generic or third-party equivalent, which could be a deterrent for budget-conscious buyers.

2. **Limited Availability** Depending on the region or dealer, finding this specific part may require ordering from Nissan s official parts catalog or an authorized distributor. This can sometimes lead to longer wait times compared to aftermarket parts, which are often stocked by multiple suppliers.

3. **Potential for Counterfeit Parts** When purchasing from non-authorized sellers (e.g., online marketplaces or unscrupulous retailers), there s a risk of receiving counterfeit or substandard OEM parts. These may fail prematurely or not fit correctly, voiding any warranty and causing additional problems.

4. **Overkill for Minor Issues** If the vapor hose failure is isolated and the rest of the EVAP system is in good condition, some drivers might opt for a cheaper aftermarket part instead. However, for long-term reliability, OEM is often the better choice.

5. **Installation Complexity (For DIYers)** While the replacement itself is relatively simple, accessing the hose may require removing parts of the vehicle s undercarriage or fuel system. DIYers unfamiliar with EVAP system work might find the process challenging, potentially leading to mistakes or improper sealing.

6. **Environmental and Ethical Concerns** Purchasing OEM parts contributes to the demand for new manufacturing, which has environmental implications. Some buyers may prefer aftermarket or recycled parts to reduce their carbon footprint, though this isn t always feasible for critical components like vapor hoses.

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### **Conclusion:**

The Nissan 18791-6CC1A vapor hose is a high-quality, reliable OEM part that ensures proper function of your vehicle s EVAP system. Its advantages in terms of fit, durability, and warranty coverage make it the best choice for long-term reliability and compliance with emissions standards. However, the higher cost and potential availability issues may be drawbacks for some buyers.

For most drivers, especially those who prioritize longevity and avoid emissions-related issues, the OEM part is the recommended option. If budget is a concern, it s worth comparing the cost of the OEM part to the potential long-term savings from avoiding EVAP system failures (e.g., check engine light repairs, retests, or reduced fuel efficiency). Additionally, always purchase from a trusted source such as an authorized Nissan dealer or a reputable online parts retailer to avoid counterfeit or low-quality replacements.

**Final Recommendation:** Buy the **Nissan 18791-6CC1A vapor hose** if:

- You value OEM quality and long-term reliability.

- Your vehicle requires strict emissions compliance.

- You re willing to pay the premium for a part that matches your car s specifications exactly.

- You have access to an authorized seller to ensure authenticity.

Consider aftermarket alternatives only if:

- You re on a tight budget and have verified that the aftermarket part is compatible and high-quality (e.g., from a well-reviewed brand like Denso, ACDelco, or Bosch).

- You re confident in your ability to diagnose whether the OEM part is truly necessary for your specific issue.

For most cases, especially in vehicles where emissions performance is critical, the OEM part is the safest and most practical choice.

Details:

Electrical parts are not returnable. Whether you re restoring a classic, upgrading performance, or maintaining your daily driver, our team is here to help. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 187916cc1a prices

  • $20.59-$20.68

specifications emissyste:

  • for models: Altima
  • for makes: Nissan
  • for years: 2019-2024
  • mpn: 18791-6cc1a
  • part type: Hose
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • universal fitment: Direct Replacement
  • year: 2019 2020 2021 2022 2023 2024
  • parts included: Only Part Reference 15 On The Diagram Is Included

shipping emissyste:

  • cost: $7.99
  • type: Fixed
  • class: Standard
  • transit: 3-9 Days
  • service: Standard

payments emissyste:

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

seller emissyste:

  • # reviews: 3826
  • rating: 99.7%
  • city: Dallas, Texas

returns emissyste:

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

offer emissyste:

  • options: Ship-to-home
  • availability: In Stock
  • started: March 2, 2026
  • quantity: 1
  • sold: 0

general emissyste:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
  • condition: New
for models: altima, for makes: nissan, for years: 2019-2024, part type: hose, genuine oem: yes, manufacturer warranty: 1 year, universal fitment: direct replacement, year: 2019 2020 2021 2022 2023 2024, parts included: only part reference 15 on the diagram is included,
manufacturer: nissan, category: auto parts > car truck parts accessories > exhaust emission systems > exhaust emission parts, sku: 20470638136666793,
Nissan 18791-6CC1A Is Similar To:
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