NISSAN 14805-9HE0C Emission Label

( Manufacturer Part Number: 14805-9HE0C ), ( 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 Emission Label

The **Nissan 14805-9HE0C Emission Label** is a critical yet often overlooked component of modern vehicle compliance, designed to meet stringent environmental regulations and ensure optimal engine performance. This high-precision label is specifically engineered for installation on Nissan vehicles equipped with advanced emission control systems, such as those featuring **lean burn technology, variable valve timing, or turbocharged direct injection**. Crafted from durable, heat-resistant materials, the label is precision-cut to fit seamlessly onto the engine bay or intake manifold, where it plays a dual role in both regulatory adherence and functional efficiency. Its primary function is to display essential emission-related data, including **OBD-II (On-Board Diagnostics) codes, fuel trim values, and air-fuel ratio targets**, which are vital for diagnostic tools and emission testing protocols. The label s clear, tamper-evident design ensures that technicians and inspectors can quickly verify compliance with emissions standards, such as those set by the **EPA (Environmental Protection Agency) or CARB (California Air Resources Board)**, without compromising the vehicle s structural integrity. Beyond its regulatory purpose, the label also aids in maintaining engine performance by providing real-time feedback to the vehicle s ECU (Engine Control Unit), helping to optimize fuel efficiency and reduce harmful emissions. Whether installed during manufacturing or as part of a repair or upgrade, this label is a small but indispensable part of Nissan s commitment to balancing performance with environmental responsibility.

### Pros and Cons of Buying a Nissan 14805-9HE0C Emission Label

The **Nissan 14805-9HE0C** is an **OBD-II emission control system component**, specifically a **secondary air injection pump** (often referred to as an "air pump" or "AIR pump"). This part is critical for vehicles equipped with **EVI (Exhaust Gas Recirculation Valve-Integrated) systems** or older emission control systems, particularly in **Nissan models from the late 1990s to mid-2000s** (such as the **Altima, Maxima, Frontier, Pathfinder, and others**).

Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

---

### **Pros of Buying a Nissan 14805-9HE0C Emission Pump**

1. **Essential for Emission Compliance**

- The **secondary air injection system** helps reduce harmful emissions (like hydrocarbons and carbon monoxide) by injecting clean air into the exhaust manifold during **cold starts** and **idling**, aiding in complete combustion.

- Without this pump, a vehicle may **fail an emissions test** (especially in states with strict regulations like California) or **trigger a check engine light (CEL)** due to improper exhaust treatment.

2. **Prevents Long-Term Engine Damage**

- Unburned fuel in the exhaust can lead to **carbon buildup on oxygen sensors, catalytic converters, and exhaust valves**, reducing efficiency and potentially causing **catalytic converter failure** (a costly repair).

- A failing air pump can also lead to **rich fuel mixtures**, increasing **fuel consumption** and **engine wear**.

3. **Compatibility with Aftermarket Modifications**

- If you plan to **remove or modify** the **EVI or PCV system**, you may still need this pump if the vehicle relies on it for **emission control bypass** (though some tuners disable it entirely).

- Some **performance chips** require the air pump to be functional for proper tuning.

4. **Relatively Affordable Replacement Part**

- Compared to **catalytic converters or oxygen sensors**, air pumps are **cheaper to replace** (typically **$50 $150 for the part**, plus labor if installed by a shop).

- **OEM (Original Equipment Manufacturer) parts** from Nissan are reliable, though **aftermarket brands** (like **AEM, Moroso, or Dorman**) can be equally good at a lower cost.

5. **Easy to Install (DIY-Friendly)**

- The installation is **straightforward** it involves **disconnecting the electrical plug, removing old hoses, and attaching new ones** to the exhaust manifold.

- Most mechanics can install it in **under an hour**, making it a **quick fix** compared to other emission-related issues.

6. **Extends the Life of the Catalytic Converter**

- Since the air pump helps **burn off unburned fuel**, it reduces **soot and carbon deposits** in the catalytic converter, **delaying its failure**.

7. **Common and Widely Available**

- This part is **frequently needed** in older Nissan models, so **stock and aftermarket options** are **easily found** at auto parts stores (AutoZone, O Reilly, RockAuto) or online (Amazon, eBay, RockAuto).

---

### **Cons of Buying a Nissan 14805-9HE0C Emission Pump**

1. **Potential for Early Failure (If Original Part is Faulty)**

- Some **OEM air pumps** (especially in older vehicles) can **wear out prematurely** due to **poor-quality materials or manufacturing defects**.

- **Aftermarket pumps** may also fail if they are **cheaply made**, leading to **recurring replacement costs**.

2. **Noise and Vibration Issues**

- Some air pumps produce **loud humming or rattling noises**, which can be **annoying** and may require **additional mounting insulation** or **replacement with a quieter model**.

- If the pump is **loose or improperly mounted**, it can **vibrate excessively**, leading to **hose damage or electrical connection issues**.

3. **Hose and Wiring Wear Over Time**

- The **rubber hoses** connected to the air pump can **crack or harden** with age, leading to **air leaks** and **reduced effectiveness**.

- **Electrical connections** may corrode, causing **intermittent operation** or **complete failure**.

4. **Not Always Necessary on Modern Vehicles**

- **Newer Nissan models (post-2010)** often **do not use secondary air injection systems** and instead rely on **catalytic converters and EGR systems** for emissions control.

- If you have a **modern vehicle**, this part may be **obsolete or irrelevant**, making the purchase **unnecessary**.

5. **Can Be a Symptom of a Larger Problem**

- **Faulty EVI (Exhaust Gas Recirculation Valve)**

- **Bad PCV (Positive Crankcase Ventilation) system**

- **Worn-out spark plugs or fuel injectors**

- **Exhaust leaks**

- Replacing just the pump **without addressing the root cause** may lead to **recurring problems**.

6. **Environmental and Regulatory Concerns**

- In some states, **modifying or disabling emission components** (even for repair) can lead to **legal issues** if done improperly.

- If the vehicle is **not properly maintained**, it may **fail smog checks**, making it **illegal to drive** in certain areas.

7. **Aftermarket Parts May Not Be Perfect Fits**

- While most aftermarket pumps are **compatible**, some may have **slightly different mounting points or electrical connectors**, requiring **additional modifications**.

- **Cheap knockoff parts** may **leak air** or **fail quickly**, leading to **frustration and wasted money**.

---

### **Conclusion**

The **Nissan 14805-9HE0C emission pump** is a **critical but often overlooked component** in older Nissan vehicles. Its **primary benefit** is ensuring **emission compliance, preventing engine damage, and maintaining catalytic converter health**. However, it is **not without drawbacks**, including **potential early failure, noise issues, and the need for proper maintenance**.

- **Check Engine Light (CEL) with codes P0400, P0401, P0402, P0403, P0404, or P0405** (related to secondary air injection)

- **Rough idling, poor cold starts, or excessive emissions**

- **A loud humming or rattling noise from the engine bay**

...then **replacing the air pump is likely necessary**.

- Your vehicle is **modern (post-2010)** and **does not use a secondary air injection system**, the part is **irrelevant**.

- You are **considering a performance tune** and plan to **disable the system**, you may **not need it** (though some tuners still require it for proper mapping).

- The pump is **already failing but the vehicle runs fine**, you might **delay replacement** if other emission-related issues exist.

---

### **Recommendation**

1. **Verify Compatibility**

- Confirm that your **specific Nissan model (year, trim, engine)** actually uses this part. Check **Nissan service manuals** or **OBD-II forums** (e.g., **Nissan-Tech, AltimaWorld**) to ensure it s the correct component.

2. **Choose the Right Part**

- **OEM (Nissan genuine)** is the **most reliable** but **most expensive**.

- **Aftermarket brands like AEM, Moroso, or Dorman** offer **good alternatives** at a lower cost. **Avoid no-name brands** unless they have **strong reviews**.

- If noise is a concern, look for **silenced or insulated models**.

3. **Inspect Related Components**

- **EVI (Exhaust Gas Recirculation Valve)** Often fails alongside the air pump.

- **PCV (Positive Crankcase Ventilation) system** A clogged PCV valve can cause similar symptoms.

- **Exhaust hoses and connections** Ensure no leaks or cracks.

- **Oxygen sensors** A failing sensor can mimic air pump issues.

4. **DIY or Professional Installation?**

- If you are **comfortable with basic engine work**, **installing the pump yourself** is **easy and cost-effective**.

- If you are **unsure**, a **mechanic s labor ( $50 $100)** may be worth it to ensure **proper sealing and electrical connection**.

5. **Consider Long-Term Maintenance**

- **Replace hoses every 5 7 years** to prevent leaks.

- **Check electrical connections** periodically for corrosion.

- If the vehicle is **high-mileage**, consider **upgrading to a more durable aftermarket pump**.

6. **Evaluate Vehicle Use**

- If the car is **only used occasionally**, the pump

Details:

All parts must be in their original condition, not used or tried, and cannot disassembled damaged by incorrect installation. APO orders cannot be shipped ground. 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.

part #: 148059he0c prices

• $11.36-$13.47

specifications emissyste:

• for makes: Nissan
• mpn: 14805-9he0c
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

seller emissyste:

• # reviews: 93290
• city: Phoenix, Arizona
• rating: 99.4%

payments emissyste:

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

offer emissyste:

• options: Ship-to-home
• started: March 29, 2026
• sold: 0
• availability: In Stock
• quantity: 10

shipping emissyste:

• type: Fixed
• transit: 4-8 Days
• service: Standard
• class: Standard
• cost: $7.95

general emissyste:

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

returns emissyste:

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

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