BOSCH 0408126006 Mfi Mechanical Fuel Pump Injection 2.0 911S Einspritzpumpe

( Brand: Bosch ), ( Manufacturer Part Number: 0408126006 ), ( Part Type: Fuel Pump ), ( Manufacturer Warranty: No Warranty ), ( Country Of Manufacture: Germany ), ( Vintage Part: Yes )

Review BOSCH Porsche 2.0 Mfi Mechanical Fuel Injection Pump Einspritzpumpe fits 911 1969–2018

The **Bosch 0408126006 Mechanical Fuel Injection Pump** is a meticulously engineered, high-performance component designed exclusively for the legendary **1969 Porsche 911 (901) 2.0L 911S** models equipped with the **MFI (Mechanical Fuel Injection)** system. This precision-crafted pump is a direct replacement for the original Bosch unit, ensuring seamless integration with the engine s fuel delivery requirements while maintaining the iconic driving dynamics for which the 911S is renowned. Built to exacting standards, this pump features a robust **rotary distributor design**, delivering a consistent and finely metered fuel supply to each cylinder, which is critical for the 911 s high-revving, naturally aspirated performance. The **cast aluminum housing** is reinforced for durability, while the internal components including the **camshaft-driven drive mechanism and precision-bored fuel passages** are machined to tolerances that guarantee optimal fuel atomization and pressure regulation. Whether restoring a classic 911S to its original glory or upgrading an existing MFI setup, this Bosch pump guarantees reliable operation, minimal fuel waste, and the precise fuel delivery needed to preserve the engine s performance and efficiency. Its compatibility with the **911S s 2.0L air-cooled flat-six** makes it an essential part of any serious restoration or performance project, ensuring that the engine breathes and performs as it was intended with the same raw, exhilarating power that defined Porsche s early fuel-injected models.

### **Bosch 0408126006 (18-Pin Porsche 911 1969 2.0 MFI Mechanical Fuel Injection Pump) Pros and Cons**

1. **Compatibility** This is the exact replacement part for the **1969 Porsche 911 (901/911S) 2.0L MFI (Mechanical Fuel Injection) engine**, ensuring a direct fit without modifications.

2. **Reliability** Bosch is a well-known manufacturer of high-quality automotive components, and this pump is designed for performance applications, reducing the risk of failure compared to aftermarket knockoffs.

3. **Performance Benefits** A properly functioning fuel pump ensures consistent fuel delivery, improving throttle response, smooth idling, and overall engine efficiency.

4. **Durability** Mechanical fuel injection pumps are built to last, especially when maintained properly, making them a long-term solution for classic Porsche engines.

5. **Ease of Installation** While some mechanical fuel injection systems require expertise, this Bosch unit is designed for straightforward replacement, assuming the rest of the system (lines, injectors, etc.) is in good condition.

6. **Historical Accuracy** For restorers and enthusiasts, using an OEM or high-quality aftermarket replacement like this one maintains the original mechanical fuel injection character of the 911.

7. **Widely Available Support** Bosch parts are supported by many classic car specialists, making troubleshooting and repairs easier if issues arise.

1. **Cost** A genuine Bosch mechanical fuel injection pump is expensive, often costing **$500 $1,200 **, depending on condition and source. This can be a significant investment for a classic car.

2. **Maintenance Requirements** Mechanical fuel injection systems demand **regular tuning and maintenance**, including injector cleaning, pump adjustment, and fuel system checks. Neglect can lead to poor performance or failure.

3. **Complexity** Unlike modern electronic fuel injection, MFI systems require **manual tuning** (adjusting pump racks, timing, and fuel pressure) for optimal performance. This may require a specialist.

4. **Fuel Quality Sensitivity** Older mechanical pumps can be sensitive to **contaminated or low-quality fuel**, leading to clogging or premature wear if not properly filtered.

5. **Limited Availability of Specialists** Finding a mechanic experienced with **Porsche MFI systems** can be difficult, increasing repair costs if issues arise.

6. **Potential for Wear** Even new pumps may develop **internal wear over time**, especially if the engine is heavily modified or driven aggressively.

7. **Replacement Parts Dependency** If the pump fails, additional components (lines, injectors, gaskets) may need replacement, adding to the total cost.

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The **Bosch 0408126006 mechanical fuel injection pump** is a **high-quality, reliable replacement** for the **1969 Porsche 911 2.0 MFI engine**, offering **performance, durability, and historical authenticity**. However, it comes with **higher upfront costs, maintenance demands, and technical complexity** that may not suit casual drivers or those unwilling to invest time in tuning and upkeep.

For **restorers, enthusiasts, or owners committed to maintaining their 911 s original mechanical fuel injection system**, this pump is a **strong choice** provided they are prepared for the **ongoing maintenance and potential specialist labor costs**.

For **daily drivers or those seeking a simpler solution**, alternatives like **electronic fuel injection (EFI) conversions** or **modern fuel-injected engines** may be more practical, despite losing the classic MFI character.

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- You are restoring or maintaining a **1969 Porsche 911 with MFI** and want **authentic performance**.

- You are prepared for **regular tuning, fuel system maintenance, and potential specialist visits**.

- You have access to **clean fuel and proper storage** to prevent contamination.

- You can afford the **higher cost** and are willing to invest in long-term upkeep.

- You want a **lower-maintenance solution** (e.g., EFI conversion or a modern engine swap).

- You lack access to **specialist mechanics** familiar with MFI systems.

- You are on a **tight budget** and cannot justify the expense of a high-end replacement pump.

**Final Verdict:** This Bosch pump is **one of the best choices for preserving the original MFI character** of a 1969 Porsche 911, but it requires **dedication to maintenance** to justify its cost. For those willing to put in the effort, it is a **reliable and high-performance upgrade**.

Details:

Note: The second cart in the background full of MFI pumps is not included. Includes heavy duty welded steel cart for easy transportation/ storage. This lot consists of 18 individual Porsche 911 Mechanical Fuel Injection pumps. All are in need of repair, calibration and parts.

part #: 0408126006 prices

• $775.00-$4400.00

specifications cylinderheapar:

• for models: 911
• for makes: Porsche
• for years: 1969-2018
• brand: Bosch
• mpn: 0408126006
• part type: Fuel Pump
• manufacturer warranty: No Warranty
• country of manufacture: Germany
• vintage part: Yes

returns cylinderheapar:

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

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: For parts or not working

seller cylinderheapar:

• city: Chino Hills, California
• # reviews: 222
• rating: 100.0%

offer cylinderheapar:

• quantity: 1
• options: Seller-arranged-local-pickup
• sold: 0
• started: May 9, 2026
• availability: In Stock

payments cylinderheapar:

• credit card: Mastercard
• wallet: Apple-pay

shipping cylinderheapar:

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