MERCEDES 100-078-00-80 Injector Base Gasket Benz

( Manufacturer Part Number: 100-078-00-80 ), ( Type: Fuel Injector Gassket ), ( Vintage Part: Yes ), ( Country Of Origin: Germany ), ( Fuel Type: Gasoline )

Review MERCEDES benz Injector Base Gasket

The **Mercedes-Benz 100-078-00-80 Injector Base Gasket** is a precision-engineered sealing component designed to ensure a leak-proof interface between the fuel injector and its mounting base within high-performance diesel engines, particularly those found in Mercedes-Benz vehicles equipped with common rail direct injection systems. Crafted from high-quality, temperature-resistant elastomeric material, this gasket is engineered to withstand the extreme pressures and thermal fluctuations inherent in diesel fuel injection systems, where fuel pressures can exceed 20,000 psi. Its unique design incorporates a reinforced center ring and strategically placed sealing lips to create a tight, uniform seal that prevents fuel leaks, air ingress, and contamination, thereby maintaining optimal injector performance and longevity. The gasket s material composition is formulated to resist swelling, hardening, or degradation when exposed to diesel fuel, lubricants, and the corrosive byproducts of combustion, ensuring reliable operation even under prolonged use or in demanding environments. This part is a critical aftermarket replacement for OEM applications, often required during injector servicing, engine rebuilds, or when addressing fuel system leaks, and is compatible with a range of Mercedes-Benz models, including those from the OM611, OM612, OM617, and OM646 engine families. Its installation is straightforward, requiring only careful alignment and the appropriate torque specifications to avoid damage to the injector or mounting surface, making it an essential component for maintaining the efficiency and reliability of diesel-powered Mercedes-Benz vehicles.

### **Pros and Cons of buying a Mercedes-Benz 100-078-00-80 Injector Base Gasket**

1. **OEM Quality** This part is an original equipment manufacturer (OEM) gasket, meaning it meets Mercedes-Benz s exact specifications for fit, material, and performance. OEM parts are designed to ensure proper sealing and longevity, reducing the risk of leaks or premature failure.

2. **Reliability and Durability** OEM gaskets are built to withstand the high pressures and temperatures found in diesel fuel injectors. Using a genuine part minimizes the risk of premature wear or failure, which could lead to costly repairs or fuel system issues.

3. **Compatibility** The 100-078-00-80 gasket is specifically engineered for Mercedes-Benz engines, ensuring a precise fit without modifications. This reduces the chance of installation errors that could damage the injector or surrounding components.

4. **Warranty Coverage** Purchasing directly from an authorized dealer or a reputable supplier often includes a warranty, providing peace of mind in case of defects or premature failure.

5. **Prevents Fuel Leaks and Contamination** A faulty injector gasket can lead to fuel leaks, which may contaminate the engine bay or cause electrical issues. Replacing it with an OEM part ensures a proper seal, maintaining system integrity.

6. **Long-Term Cost Savings** While OEM parts may have a higher upfront cost compared to aftermarket alternatives, they often last longer and reduce the likelihood of repeated failures, saving money in the long run.

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1. **Higher Cost** OEM parts are typically more expensive than aftermarket equivalents. The price of the 100-078-00-80 gasket may be significantly higher, which could be a deterrent for budget-conscious buyers.

2. **Limited Availability** Depending on the region or supplier, genuine OEM parts may not always be readily available, especially for older or discontinued models. This could require ordering from specialized distributors, potentially increasing lead times.

3. **Potential Overkill for Minor Issues** If the gasket failure is isolated to a single injector and the rest of the system is in good condition, replacing just the gasket (rather than the entire injector) might be sufficient. However, some mechanics may recommend replacing the entire injector for safety, adding unnecessary cost.

4. **Installation Complexity** Replacing an injector gasket often requires disassembling parts of the fuel system, which may be labor-intensive. If the vehicle is not serviced regularly, the mechanic may charge higher fees for the work, increasing the total cost.

5. **Counterfeit Risks** Even when purchasing from what appears to be an authorized source, there is a risk of receiving counterfeit OEM parts. These may not meet quality standards, leading to premature failure or improper sealing.

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The Mercedes-Benz 100-078-00-80 injector base gasket is a high-quality, reliable part that ensures proper sealing and longevity for your vehicle s fuel injectors. While it comes with a higher price tag and potential availability challenges, the benefits of using an OEM part such as improved reliability, reduced risk of leaks, and long-term cost savings outweigh the drawbacks for most serious vehicle owners.

For those concerned about cost, it may be worth comparing the price of the OEM gasket with high-quality aftermarket alternatives (e.g., from reputable brands like Fel-Pro or Bosch), though these may not offer the same level of assurance. If budget is not a constraint and the part is needed for a critical repair, investing in the OEM gasket is the safest choice.

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- You prioritize reliability and long-term performance.

- The vehicle is under warranty or you want to avoid potential issues from aftermarket parts.

- You are replacing the gasket as part of a scheduled maintenance or a known failure.

- You are on a tight budget and have verified that the aftermarket gasket is from a trusted brand with good reviews.

- The failure is isolated, and you are confident in the mechanic s ability to install it correctly.

- **Purchase from authorized sources** to avoid counterfeit parts. Check with Mercedes-Benz dealerships, reputable online retailers (e.g., RockAuto, Amazon, or specialized auto parts stores), or trusted local suppliers.

- **Have the replacement done by a qualified mechanic** to ensure proper installation and avoid damaging the injector or fuel system.

Ultimately, the OEM gasket is the best choice for those who value quality and want to avoid potential future problems.

Details:

Ideal for car and truck parts enthusiasts looking high-quality, authentic components from a trusted brand like Mercedes-Benz.I WANT TO SELL THIS AS A SET EACH CAR requires 8. THIS WILL ONLY FIT model's 300SEL 6.3 AND 600 WITH THE M100 ENGINE. With the OE/OEM Part Number 100-078-00-80, this gasket is designed for gasoline fuel type and manufactured in Germany. PRICE IS $32 EACH.

The Mercedes Benz Injector Base Gasket is a vintage part made specifically for fuel injectors. As a genuine Mercedes-Benz part, it ensures perfect fit and reliable performance for your vehicles fuel injection system.

part #: 1000780080 prices

• $19.80-$75.42

specifications carfuelinjector:

• for makes: Mercedes
• mpn: 100-078-00-80
• type: Fuel Injector Gassket
• vintage part: Yes
• country of origin: Germany
• fuel type: Gasoline

returns carfuelinjector:

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

seller carfuelinjector:

• city: Queens Village, New York
• # reviews: 85
• rating: 100.0%

offer carfuelinjector:

• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock
• quantity: 8
• started: March 24, 2026

shipping carfuelinjector:

• carrier: USPS
• class: Standard
• type: Calculated
• cost: $8.30
• transit: 3-8 Days
• service: USPS Ground Advantage

payments carfuelinjector:

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

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: New

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