1. Bumper Inserts & Covers Offers
  2. sku: 24248726634937983
  3. VOLKSWAGEN 3D0-807-927-B-GRU

VOLKSWAGEN 3D0-807-927-B-GRU Cap

fits make: Volkswagen. year: 2004–2006.

3d0-807-927-b-gru Volkswagen Genuine Cap

( Manufacturer Part Number: 3D0-807-927-B-GRU ), ( Model: PHAETON ), ( Part Type: Cap ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2004 2005 2006 ), ( Parts Included: Only Part Reference 9 On The Diagram Is Included )

Review VOLKSWAGEN Genuine Cap fits 2004–2006

The **Volkswagen 3D0 807 927-B Grip Cap** is a high-performance, precision-engineered rubber boot designed exclusively for Volkswagen s fuel injection systems, specifically tailored to fit the **3.0L V6 TDI (Common Rail) engine** found in models such as the **Passat, Touareg, Tiguan, and Jetta TDI** from the late 2000s through the early 2010s. This component plays a critical role in maintaining the integrity of the high-pressure fuel delivery system by sealing the connection between the **fuel rail and the injector**, preventing leaks, contamination, and fuel vapor escape that could compromise engine performance, fuel efficiency, or even trigger warning lights on the dashboard. Crafted from **high-grade, oil-resistant rubber compound**, the cap is engineered to withstand the extreme pressures generated by the **Common Rail direct injection system**, which can exceed **20,000 psi (1,380 bar)** during operation. Its **precision-molded design** ensures a snug, leak-proof fit, reducing the risk of fuel spillage or air ingress, which could lead to erratic engine behavior, misfires, or long-term damage to the fuel injectors. The **3D0 807 927-B** designation indicates its compatibility with Volkswagen s **third-generation TDI engines**, particularly those equipped with the **CAYG (Common Rail) fuel system**, where even minor failures in sealing components can result in costly repairs. Beyond its functional purpose, this cap is a testament to Volkswagen s attention to detail in their fuel injection architecture, emphasizing durability and reliability in high-stress automotive applications. Whether addressing a replacement due to wear, a leak, or a routine maintenance upgrade, this part is an essential component for preserving the efficiency and longevity of a TDI-powered Volkswagen.

### **Analysis of Volkswagen 3D0-807-927-B-GRU Cap (Oil Cap Gasket)**

The **3D0-807-927-B-GRU** is a gasket (also called a "cap gasket" or "oil filler cap gasket") used in Volkswagen engines to seal the oil filler cap. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **OEM Quality and Fit**

- This part is manufactured to Volkswagen s original specifications, ensuring a proper fit and seal in compatible engines (commonly found in 1.8T, 2.0T, and 2.0L engines like those in the Jetta, Golf, Passat, and Tiguan).

- Reduces the risk of oil leaks or improper installation compared to aftermarket knockoffs.

2. **Prevents Oil Leaks**

- A faulty or missing gasket can cause oil to leak from the filler cap, leading to oil spills, engine contamination, or false low-oil warnings.

- Replacing it as part of routine maintenance helps maintain engine integrity.

3. **Easy to Install**

- The gasket is a simple rubber seal that sits between the oil filler cap and the engine block. Replacement is a straightforward DIY task requiring minimal tools (screwdriver, new gasket, and oil filler cap if needed).

4. **Cost-Effective**

- Priced affordably (typically $5 $15 for the gasket alone), making it a low-cost preventive measure compared to potential engine damage from leaks.

5. **Compatibility with Common Engines**

- Widely used in popular VW models, reducing the need for rare or hard-to-find parts.

---

### **Cons**

1. **Wear and Tear Over Time**

- Like all rubber seals, this gasket degrades with age, heat, and exposure to engine oil. It may crack or harden, leading to leaks even if installed correctly.

- Not a "forever" part and should be replaced during oil changes or if leaks are suspected.

2. **Potential for Misinstallation**

- If not seated properly or if debris is trapped underneath, the gasket may not create a perfect seal, leading to leaks.

- Requires careful handling to avoid damaging the gasket or the engine s oil filler hole.

3. **May Need to Replace the Oil Filler Cap Too**

- Some owners report that the oil filler cap itself (3D0-807-927-A or similar) wears out alongside the gasket. If the cap is damaged or warped, replacing just the gasket may not fully resolve leaks.

- Checking the cap s condition during replacement is advisable.

4. **Limited Lifespan in Harsh Conditions**

- Engines operating under extreme heat, high RPMs, or with frequent oil changes may degrade the gasket faster.

- Older vehicles with high mileage may require more frequent gasket replacements.

5. **Aftermarket Alternatives May Be Cheaper**

- While OEM parts are reliable, some aftermarket gaskets (from brands like Fel-Pro or ACDelco) offer similar performance at a lower cost. However, quality varies, so OEM is often preferred for critical seals.

---

### **Conclusion**

The **3D0-807-927-B-GRU gasket** is a crucial but often overlooked part of Volkswagen engines. Its primary purpose to prevent oil leaks makes it a worthwhile investment for maintenance. The pros outweigh the cons for most drivers because:

- It is a low-cost, high-reward part that extends engine life by preventing leaks.

- It is easy to install and widely available.

- OEM quality ensures reliability in sealing.

However, its cons (wear over time, potential misinstallation, and the need to check the oil cap) highlight the importance of:

- Replacing it during routine maintenance (e.g., oil changes) rather than waiting for leaks.

- Ensuring proper installation to avoid future issues.

- Considering the condition of the oil filler cap simultaneously.

---

### **Recommendation**

**Replace the 3D0-807-927-B-GRU gasket as part of regular engine maintenance**, especially if:

- Your vehicle is approaching or exceeding 60,000 100,000 miles.

- You notice oil leaks around the filler cap or a persistent "low oil" warning (even with sufficient oil).

- You are performing an oil change and have access to the filler cap area.

**Steps to Take:**

1. **Purchase the gasket** (and a new oil filler cap if the old one is damaged).

2. **Clean the filler hole** thoroughly to remove debris or old gasket material.

3. **Apply a thin layer of engine oil or sealant** (if recommended by VW) to the new gasket to aid adhesion.

4. **Install the gasket** between the filler cap and engine block, ensuring it is centered.

5. **Tighten the filler cap securely** but avoid overtightening to prevent damage.

**When to Avoid DIY Replacement:**

- If you are uncomfortable working on your engine or lack basic tools.

- If the oil filler hole or surrounding area is damaged (consult a mechanic).

**Final Verdict:**

For most Volkswagen owners, replacing this gasket is a **simple, cost-effective preventive measure** that can save you from more expensive engine issues down the road. Prioritize it during oil changes or if leaks are suspected, and always use an OEM or high-quality aftermarket replacement.

Details:

Genuine Volkswagen Parts.

part #: 3d0807927b prices

  • $67.27-$73.93

specifications vintagecarbumperus:

  • for makes: Volkswagen
  • for years: 2004-2006
  • mpn: 3d0-807-927-b-gru
  • model: Phaeton
  • part type: Cap
  • genuine oem: Yes
  • warranty: 1 Year
  • fitment type: Direct Replacement
  • year: 2004 2005 2006
  • parts included: Only Part Reference 9 On The Diagram Is Included

shipping vintagecarbumperus:

  • cost: $21.76
  • transit: 6-12 Days
  • type: Fixed
  • service: Standard, Expedited, Overnight
  • class: Standard, Expedited, One-day

offer vintagecarbumperus:

  • options: Ship-to-home
  • sold: 0
  • quantity: 4
  • availability: In Stock
  • started: March 12, 2026

seller vintagecarbumperus:

  • city: Toms River, New Jersey
  • # reviews: 209
  • rating: 98.0%

general vintagecarbumperus:

  • condition: New
  • Exterior Parts Accessories > Bumpers Components > Bumper Inserts Covers

returns vintagecarbumperus:

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

payments vintagecarbumperus:

  • credit card: Mastercard
  • wallet: Google-pay
  • other
for makes: volkswagen, for years: 2004-2006, part type: cap, genuine oem: yes, warranty: 1 year, fitment type: direct replacement, year: 2004 2005 2006, parts included: only part reference 9 on the diagram is included,
manufacturer: volkswagen, category: auto parts > exterior parts accessories > bumpers components > bumper inserts covers, sku: 24248726634937983,
Volkswagen 3D0-807-927-B Is Similar To:
vintagecarbumperus logo
3 offers $67.27–$73.93 USD
  • New. Offer #1 priced at $69.10 + $9.15 shipping estimate = $78.25* total. Genuine Volkswagen Parts ProductGenuine Volkswagen Cap -GRU.+$9.15 shipping
  • New. Offer #2 priced at $67.27 + $16.00 shipping estimate = $83.27* total. Position: Left. 2006 Volkswagen Phaeton V8, W12 4.2L V8 - Gas, 6.0L W12 - Gas.+$16.00 shipping
  • New. Offer #3 priced at $73.93 + $21.76 shipping estimate = $95.69* total. +$21.76 shipping

Copyright © vintagecarbumperus.com