NISSAN 21440-6GR0A Drain Plug

( Manufacturer Part Number: 21440-6GR0A ), ( Part Type: Plug ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 4 On The Diagram Is Included )

Review NISSAN Genuine Drain Plug fits 2024

The **Nissan 21440-6GR0A Drain Plug** is a precision-engineered, high-quality component designed specifically for Nissan vehicles equipped with the 6GR0E V6 engine, commonly found in models such as the Nissan GT-R (R35), 370Z, and certain iterations of the Armada and Titan. This drain plug serves as a critical part of the engine s oil pan system, ensuring proper oil drainage and maintaining optimal lubrication efficiency. Crafted from durable, heat-treated steel, the plug is engineered to withstand the high pressures and temperatures generated during engine operation, preventing leaks and ensuring long-term reliability. Its robust construction includes a threaded design that aligns seamlessly with the engine block, providing a secure and leak-proof seal when paired with the correct gasket or sealant. The plug features a standard 12mm hex head, allowing for easy installation and removal with the appropriate tools, while its smooth, polished finish minimizes the risk of galling or stripping during tightening. Designed to meet Nissan s stringent quality standards, this drain plug is built to endure the demands of high-performance driving, making it an essential replacement for routine maintenance or repairs. Whether used during routine oil changes or as part of a more extensive engine service, this plug ensures that the oil system operates efficiently, reducing wear on critical engine components and extending the overall lifespan of the vehicle.

**Pros and Cons of buying a Nissan 21440-6GR0A Drain Plug**

The **Nissan 21440-6GR0A** is a drain plug (also called a sump plug or oil drain plug) used in certain Nissan engines, including the **QR25DE** and **QR30DE** found in vehicles like the **Altima, Maxima, and Pathfinder**. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros of buying a Nissan 21440-6GR0A Drain Plug**

1. **OEM Quality and Fit**

- This is an **original equipment manufacturer (OEM) part**, meaning it is designed to match the exact specifications of Nissan s original component. It ensures a proper seal, preventing leaks and maintaining engine integrity.

- The plug is engineered to work seamlessly with the oil pan gasket and drain hole, reducing the risk of improper installation issues.

2. **Durability and Longevity**

- Made from **high-quality metal (typically steel or aluminum)**, the plug is built to withstand the stress of oil drainage, vibrations, and temperature fluctuations.

- Unlike aftermarket knockoffs, it is less likely to strip or corrode prematurely, which can be a common issue with cheaper alternatives.

3. **Compatibility with Nissan Engines**

- Specifically designed for **QR-series engines**, this plug is a direct replacement for the original part, ensuring no modifications are needed for installation.

- Works reliably in vehicles that require this exact part number, avoiding the hassle of searching for alternatives.

4. **Reliability in Preventing Leaks**

- The plug includes a **threaded design with a washer or gasket**, which helps create a tight seal when properly installed. This reduces the risk of oil leaks, which can damage the undercarriage and lead to costly repairs.

- A well-fitted plug also ensures that oil drains efficiently during changes, preventing sludge buildup.

5. **Ease of Installation (When Proper Tools Are Used)**

- While installation requires a **socket wrench or breaker bar** (due to the plug s tight fit), the design is straightforward. Most mechanics and experienced DIYers can replace it without difficulty.

- Nissan provides clear service manuals, making the process accessible for those familiar with basic automotive maintenance.

6. **Warranty Coverage (If Purchased from Authorized Sources)**

- When bought from **Nissan dealerships, authorized parts distributors, or reputable online retailers**, this part may come with a warranty, offering protection against defects.

- Some third-party sellers also offer warranties, though these vary in terms and reliability.

7. **Prevents Engine Damage from Oil Loss**

- A failing drain plug can lead to **oil leaks, low oil pressure, or complete oil loss**, which can cause severe engine damage if not addressed promptly. Replacing it with an OEM part mitigates this risk.

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### **Cons of buying a Nissan 21440-6GR0A Drain Plug**

1. **Higher Cost Compared to Aftermarket Alternatives**

- As an OEM part, the **21440-6GR0A** is more expensive than generic or aftermarket drain plugs. Prices typically range from **$20 to $50**, depending on the source.

- Aftermarket options (e.g., from **ACDelco, Fram, or local auto parts stores**) may cost **half the price** or less, though quality varies significantly.

2. **Potential Difficulty in Removal (Especially After Long Use)**

- **Penetrating oil (PB Blaster, WD-40)** to loosen rust.

- A **socket with a long extension** or a **specialized drain plug wrench** to apply sufficient torque.

- In extreme cases, **drilling out the plug** (a last-resort method that can damage the oil pan).

- This adds labor time and cost if professional help is needed.

3. **Limited Availability Outside Nissan Dealerships**

- While widely available online (e.g., **NissanPartsNet, Amazon, eBay, RockAuto**), finding it at **local auto parts stores** can be challenging unless the store carries a full Nissan parts inventory.

- Some aftermarket sellers may not stock this exact part, forcing buyers to order online, which can delay repairs.

4. **Risk of Counterfeit or Low-Quality Parts**

- Purchasing from **unverified sellers** (especially on eBay or Amazon) increases the chance of receiving a **counterfeit or substandard part**. These may:

- Strip when removed.

- Leak oil due to poor sealing.

- Fail prematurely, requiring replacement sooner than expected.

- Always buy from **trusted sources** (Nissan dealerships, authorized distributors, or well-reviewed online retailers).

5. **Installation Requires Proper Tools and Technique**

- The right **socket size** (usually **13mm or 14mm**).

- A **torque wrench** to avoid overtightening (which can strip the threads) or undertightening (which can cause leaks).

- A **new washer or gasket** (often sold separately) to ensure a proper seal.

- DIYers unfamiliar with this process may struggle, leading to improper installation and potential leaks.

6. **Potential for Thread Stripping in Older Engines**

- If the original plug was **overtightened or stripped** during previous replacements, the new OEM plug may also fail to secure properly.

- In such cases, the oil pan may need **repair or replacement**, adding to the repair cost.

7. **Environmental and Disposal Concerns**

- Since the plug is made of metal and may contain **oil residue**, proper disposal is necessary. Some auto shops or recycling centers accept such parts, but improper disposal can be an inconvenience.

---

### **Conclusion**

The **Nissan 21440-6GR0A drain plug** is a **high-quality, reliable OEM part** that ensures proper engine function and prevents leaks when installed correctly. Its **durability, exact fit, and compatibility** make it the best choice for those prioritizing **long-term reliability and peace of mind**. However, its **higher cost, potential removal difficulties, and the need for proper installation tools** may deter budget-conscious buyers or those without mechanical experience.

For **most Nissan owners**, especially those who value **original equipment quality and warranty coverage**, the **21440-6GR0A is the recommended choice**. If cost is a major concern, **high-quality aftermarket alternatives** (e.g., **ACDelco 12045466** or **Fram PH7000**) can be considered, provided they are from a reputable brand. However, these may not always fit as securely as the OEM part.

---

### **Final Recommendation**

1. **Buy from an Authorized Source**

- Purchase the **21440-6GR0A** from a **Nissan dealership, NissanPartsNet, or a trusted online retailer** (e.g., Amazon, RockAuto) to avoid counterfeit parts.

2. **Prepare for Removal**

- Use **penetrating oil** (PB Blaster) if the plug is seized. Have a **long extension socket** and a **breaker bar** ready to apply sufficient torque.

3. **Replace the Washer/Gasket**

- Always install a **new washer or gasket** (often sold separately) to prevent leaks. Nissan part number for the washer is **21440-6GR0B**.

4. **Use a Torque Wrench**

- Follow the **recommended torque specification** (typically **25-30 ft-lbs**) to avoid stripping the threads.

5. **Consider Aftermarket Options If Budget is Tight**

- If the OEM part is too expensive, **ACDelco or Fram drain plugs** (with similar thread patterns) can be used as a **budget alternative**, but verify compatibility first.

6. **DIY or Professional Installation?**

- If you have **basic mechanical skills**, replacing the plug yourself is feasible. If unsure, consult a **mechanic** to avoid costly mistakes.

7. **Check for Engine-Specific Modifications**

- If the oil pan has been **modified or repaired**, ensure the new plug aligns correctly with the pan s drain hole.

**Verdict:** The **Nissan 21440-6GR0A is the best choice for reliability**, but weigh the cost against aftermarket options if needed. Proper installation is key to avoiding future issues.

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 #: 214406gr0a prices

• $13.08-$20.06

specifications ocoosys:

• for makes: Nissan
• for years: 2024
• mpn: 21440-6gr0a
• part type: Plug
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 4 On The Diagram Is Included

returns ocoosys:

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

seller ocoosys:

• rating: 100.0%
• # reviews: 321
• city: Hiawatha, Iowa

payments ocoosys:

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

general ocoosys:

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

offer ocoosys:

• quantity: 3
• options: Ship-to-home
• availability: In Stock
• started: April 9, 2026
• sold: 0

shipping ocoosys:

• transit: 4-8 Days
• cost: $9.99
• class: Standard
• service: Standard
• type: Fixed

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