NISSAN 21469-CD000 Intake Duct

( Manufacturer Part Number: 21469-CD000 ), ( Part Type: Intake Duct ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Year: 2003 2004 2005 ), ( Parts Included: Only Part Reference 14 On The Diagram Is Included )

Review NISSAN Genuine Intake Duct fits 350Z 2003–2005

The **Nissan 21469-CD000 Intake Duct** is a high-performance, direct-fit replacement designed to enhance the airflow and throttle response of select Nissan vehicles equipped with the **QR25DE, VQ30DE, VQ35DE, and VQ35HR** engines, including models such as the **Altima (2007 2012), Maxima (2005 2012), Sentra (2007 2012), and Rogue (2008 2012)**. Crafted from durable **high-grade plastic with reinforced ribs and precision-molded airflow channels**, this intake duct is engineered to improve engine efficiency by reducing turbulence and optimizing air intake velocity, which can lead to a noticeable increase in horsepower and torque. The duct features a **clean, aerodynamic design** that minimizes restriction while maintaining a secure fit, ensuring compatibility with stock or aftermarket throttle bodies and air filters. Its **universal mounting points** eliminate the need for modifications, making installation straightforward for both DIY enthusiasts and professional mechanics. Beyond performance gains, this intake duct also contributes to a smoother idle and quicker spool-up, particularly under light throttle conditions, making it an ideal upgrade for daily drivers, track enthusiasts, or those seeking a subtle yet effective modification. Built to withstand the demands of high-performance applications, the **21469-CD000** is a reliable, long-lasting solution that enhances both power delivery and engine responsiveness without compromising reliability. Whether paired with a cold air intake, high-flow filter, or standalone for a refined intake sound, this duct delivers a measurable improvement in engine breathing, making it a standout choice for Nissan owners looking to unlock their vehicle s full potential.

**Pros and Cons of buying a Nissan 21469-CD000 Intake Duct**

The **Nissan 21469-CD000 intake duct** is an aftermarket part designed to replace the stock intake manifold on certain Nissan engines, such as those found in the **3.5L V6 (VQ35DE)** used in vehicles like the **Altima, Maxima, and Rogue**. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Improved Airflow and Performance**

The primary benefit of this intake duct is enhanced airflow into the engine. The aftermarket version is often designed with smoother internal passages, fewer restrictions, and better material quality compared to the stock part. This can lead to slight improvements in horsepower, throttle response, and overall engine efficiency, particularly under load.

2. **Better Material Quality**

Stock intake manifolds can degrade over time due to heat, oil leaks, or plastic wear. The **21469-CD000** is typically made from higher-quality materials, such as **reinforced plastic or composite materials**, which are more resistant to cracking and warping. This can extend the lifespan of the component and reduce the risk of leaks.

3. **Easier Installation and Compatibility**

Many aftermarket intake ducts are designed to be a **direct drop-in replacement**, meaning they fit without extensive modifications. The **21469-CD000** is often advertised as compatible with **VQ35DE engines** and may include gaskets or mounting hardware to simplify installation. This makes it an attractive option for DIY enthusiasts who want to upgrade without major modifications.

4. **Potential for Better Cooling**

Some aftermarket intake manifolds feature **improved cooling channels** or better heat dissipation, which can help maintain optimal engine temperatures, especially in high-performance or heavily modified setups.

5. **Cost-Effective Upgrade**

Compared to full engine swaps or major modifications, replacing just the intake duct is a **relatively inexpensive upgrade** that can provide noticeable benefits without a large investment.

6. **Potential for Tuning Synergy**

If you plan to tune your engine (e.g., with a **standalone ECU or piggyback tuner**), an improved intake duct can help **maximize the benefits of tuning** by ensuring cleaner airflow and better fuel-air mixture control.

---

### **Cons**

1. **Mixed Performance Gains**

While some users report **noticeable improvements** in power and response, others experience **minimal gains**, especially if the rest of the engine bay is not optimized (e.g., clogged air filter, restrictive exhaust, or outdated fuel injectors). Expect **5-15% power gains at best** in a stock or lightly modified engine.

2. **Potential for Voids in Warranty**

If your vehicle is still under **factory warranty**, installing an aftermarket intake duct may **void certain coverage**, particularly if the manufacturer considers it a "non-OEM" modification. Always check your warranty terms before proceeding.

3. **Risk of Improper Fitment**

While the **21469-CD000** is designed for the **VQ35DE**, fitment can vary slightly depending on the **year and trim** of your vehicle. Some users report **minor alignment issues** or **leaks at gaskets**, which may require additional sealing (e.g., RTV silicone) or adjustments.

4. **No Major Power Increase Without Supporting Mods**

If you install this duct but **do not upgrade other components** (e.g., **air intake, exhaust, fuel system, or ECU tuning**), the gains will be **limited**. This part works best as part of a **bigger performance package**.

5. **Quality Control Concerns**

Some aftermarket parts, including intake ducts, can have **variations in quality**. Cheaper or counterfeit versions may **warp, crack, or leak** over time. Always purchase from **reputable sellers** (e.g., **Borla, Injen, or official Nissan parts suppliers**) to avoid subpar products.

6. **Potential for Increased Oil Consumption (OC) or Knocking**

If the intake duct **improves airflow too aggressively** without proper tuning, it could lead to **leaner mixtures**, causing **knocking (detonation)** or **increased oil consumption** in some cases. A **standalone ECU or fuel system upgrade** may be necessary to mitigate this.

7. **Installation Complexity**

While many aftermarket ducts are **easy to install**, some may require **removal of the throttle body, sensors, or wiring harnesses**, which can be tricky for inexperienced DIYers. If you re not comfortable with **basic engine bay work**, you may need a mechanic s help.

---

### **Conclusion**

The **Nissan 21469-CD000 intake duct** is a **worthwhile upgrade** for owners of **VQ35DE engines** who want **better airflow, improved durability, and slight performance gains** without a major investment. It is particularly beneficial if you plan to **tune your engine or add supporting mods** (e.g., cold air intake, exhaust, or ECU flash).

However, it is **not a miracle fix** expect **modest gains** unless paired with other performance upgrades. The biggest drawbacks are **potential warranty issues, fitment concerns, and limited power gains on their own**. If you re looking for a **simple, cost-effective way to enhance airflow and engine longevity**, this is a solid choice. If you re aiming for **significant power increases**, consider **bigger mods** like a **turbo kit, supercharger, or full engine rebuild**.

---

### **Recommendation**

- You want a **simple, affordable airflow upgrade**.

- You plan to **tune your engine** or add other performance parts.

- Your vehicle is **out of warranty** or you don t mind potential voiding.

- You re comfortable with **basic installation** (or have a mechanic help).

- You expect **dramatic power gains** without other mods.

- Your vehicle is still **under factory warranty**.

- You re unsure about **fitment or installation** and don t want to risk leaks or improper mounting.

- You prefer **minimal modifications** and don t plan to tune.

**Final Verdict:** The **21469-CD000 intake duct is a solid mid-tier upgrade** that pays off best when paired with other performance enhancements. For **stock or lightly modified VQ35DE engines**, it s a **good value**, but for **serious power gains**, more extensive modifications will be needed. Always **verify compatibility** with your specific vehicle year and trim before purchasing.

Details:

Electrical parts are not returnable. 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 #: 21469cd000 prices

• $101.22-$107.36

specifications ocoosys:

• for models: 350z
• for makes: Nissan
• for years: 2003-2005
• mpn: 21469-cd000
• part type: Intake Duct
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• year: 2003 2004 2005
• parts included: Only Part Reference 14 On The Diagram Is Included

returns ocoosys:

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

payments ocoosys:

• other
• credit card: Discover
• wallet: Paypal

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: New

seller ocoosys:

• # reviews: 29
• rating: 100.0%
• city: Rio Rancho, New Mexico

offer ocoosys:

• quantity: 3
• options: Ship-to-home
• sold: 0
• started: March 17, 2026
• availability: In Stock

shipping ocoosys:

• transit: 3-8 Days
• class: Standard
• service: UPS Ground
• cost: $22.94
• carrier: UPS
• type: Fixed

Nissan 21469-CD000 Is Similar To:

• 01558-00491 Nissan Genuine Oem Upper Hose Clamp (40% similar) Nissan upper hose clamp...(October 29th, 2018)
• 01558-00551 Nissan Infiniti Genuine Oem Upper Hose Clamp (38.3% similar) Keep it original, and real with genuine nissan original equipment manufacturer, oem, parts...(March 19th, 2018)
• 081a8-6121a Nissan Genuine Oem Pulley Bolt (47.5% similar) Delivered to your doors Twp...(March 30th, 2019)
• 11060-31u0b Nissan Infiniti 1106031u0b Genuine Oem (47.7% similar) ...(February 12th, 2017)
• 11060-3rc1a Nissan 110603rc1a Genuine Oem Water (51.8% similar) ...(February 12th, 2017)
• 11060-69f01 Nissan Jdm Genuine Oem Water Neck Outlet Used (42.1% similar) Condition is used. SR20DET S13 water neck...(March 20th, 2019)
• 11060-et00a Nissan 11060et00a Genuine Oem (53.2% similar) ...(May 17th, 2017)
• 11062-1kc0a Nissan Genuine Oem Water Outlet Gasket (43.2% similar) If you want the best performance and reliability possible for your nissan need genuine parts. Fort worth nissan parts offers one of the largest selections genuine...(November 3rd, 2018)
• 11062-et00a Nissan Genuine Oem Water Outlet Gasket (43.2% similar) ...(April 3rd, 2018)
• 11720-9e001 Nissan Genuine Oem Serpentine Belt (47.6% similar) ...(July 17th, 2018)
• 11950-4z800 Nissan 119504z800 Genuine Oem (55.7% similar) Keep it original, and real with genuine nissan original equipment manufacturer, oem, parts...(November 5th, 2017)