1. Fuel Injection Parts Deals
  2. sku: 9366650776449753
  3. BOSCH 986444508

BOSCH 986444508 Fuel Injection Pump Isb Qsb VP30 3.9/4.5

986444508 Bosch Vp30 Fuel Injection Pump Genuine New 3.9/4.5 Isb / Qsb

( Brand: Bosch ), ( Part Type: Fuel Pump ), ( Oe/oem Part Number: 0986444508 ), ( Manufacturer Part Number: 986444508 ), ( Fuel Type: Diesel )

Review BOSCH Fuel Injection Pump Genuine New 3.9/4.5 Isb Qsb

The Bosch VP30 Fuel Injection Pump 3.9/4.5 ISB QSB is a high-performance component designed for diesel engines. This fuel injection pump, with the model number 986444508, is manufactured by Bosch, a leading global supplier of technology and services.

This particular model is suitable for 3.9-liter and 4.5-liter diesel engines with an ISB (Interacting Single Cylinder Bosch) system. The ISB system is known for its advanced technology, which ensures efficient fuel combustion, reduced emissions, and improved engine performance.

The Bosch VP30 Fuel Injection Pump features a robust and durable design, making it an ideal choice for both automotive and industrial applications. It comes with a high-pressure injector that can deliver fuel at an impressive pressure of up to 2900 bar. This high-pressure delivery ensures precise and efficient fuel injection into the engine's combustion chamber.

The pump is equipped with an advanced electronic control unit (ECU) that monitors its performance and adjusts fuel delivery accordingly. This results in optimal engine operation, improved fuel economy, and reduced emissions. The ECU is also designed to work seamlessly with the engine's electronic control system, ensuring smooth and reliable operation.

The Bosch VP30 Fuel Injection Pump is designed to be easy to install, with a plug-and-play connection to the engine's electrical system. The pump comes with a wiring harness and all necessary mounting hardware, making it a straightforward replacement for an old or failing fuel injection pump.

In summary, the Bosch VP30 Fuel Injection Pump 3.9/4.5 ISB QSB is a high-performance and durable component designed for diesel engines. Its advanced technology ensures efficient fuel combustion, reduced emissions, and improved engine performance. It is easy to install and comes with a plug-and-play wiring harness and all necessary mounting hardware. With a high-pressure delivery of up to 2900 bar, this pump is an excellent choice for both automotive and industrial applications.

Bosch VP30 Fuel Injection Pump (3.9/4.5 ISB QSB): A Comprehensive Analysis

Introduction:

The Bosch VP30 fuel injection pump (3.9/4.5 ISB QSB) is a crucial component in modern common rail diesel engines. Its primary function is to deliver fuel at the correct pressure and quantity to the engine's combustion chamber. In this analysis, we will discuss the key advantages and disadvantages of this fuel injection pump.

Advantages:

1. High-Pressure Capability: The Bosch VP30 pump is capable of delivering fuel at pressures up to 3,500 psi, ensuring efficient and clean combustion in modern diesel engines.

2. Durability: Bosch fuel injection pumps are renowned for their reliability and durability. The VP30 pump is no exception, featuring robust design and high-quality materials.

3. Fuel Efficiency: By delivering the precise amount of fuel required for each engine cycle, the Bosch VP30 pump contributes to improved fuel efficiency and reduced emissions.

4. OEM Replacement: This pump is a direct OEM (Original Equipment Manufacturer) replacement, ensuring a perfect fit and optimal performance.

Disadvantages:

1. Cost: The Bosch VP30 fuel injection pump is a premium product and may be more expensive than aftermarket alternatives.

2. Complexity: The installation and removal of this pump can be a complex process, requiring specialized tools and technical expertise.

3. Availability: Due to its high demand and importance in modern diesel engines, availability of the Bosch VP30 pump may be a concern for some users.

Conclusion:

The Bosch VP30 fuel injection pump (3.9/4.5 ISB QSB) is a high-performance component that delivers numerous advantages, including high-pressure capability, durability, fuel efficiency, and OEM compatibility. However, it also comes with some disadvantages, such as cost, complexity, and availability.

Recommendation:

If you are seeking optimal performance, reliability, and efficiency in your diesel engine, the Bosch VP30 fuel injection pump is an excellent choice. However, if you are budget-conscious or lack the necessary expertise for installation and removal, an aftermarket alternative may be a more suitable option. Ultimately, the decision depends on your individual requirements and priorities.

part # 986444508 prices

  • $280.00-$4450.00

specifications injectiopug:

  • brand: Bosch
  • part type: Fuel Pump
  • oe/oem part number: 0986444508
  • manufacturer part number: 986444508
  • fuel type: Diesel

offer injectiopug:

  • started: November 24, 2025
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • best offers: True

returns injectiopug:

  • policy: No Returns

seller injectiopug:

  • rating: 100.0%
  • # reviews: 44

general injectiopug:

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

shipping injectiopug:

  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 10-16 Days
  • service: UPS Ground
  • carrier: UPS

payments injectiopug:

  • other
  • credit card: Discover
  • wallet: Google-pay
part type: fuel pump, oe/oem part number: 0986444508, fuel type: diesel,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, sku: 9366650776449753,

Bosch 986444508 Is Similar To:

injectiopug logo
5 offers $280.00–$4450.00 USD
  • Offer #1: $4450.00 price + free delivery = $4450.00* total. Bosch Genuine Bosch fuel injection pump 3.9 / 4.5 ISB / QSB.FREE SHIPPING
  • Offer #2: $2000.00 price + $10.65 delivery = $2010.65* total. Bosch fuel injection pump part number 0470004019 used in Cummins 3.9 l and 4.5 l diesel engines OEM part number 3965405 Cummins.+$10.65 shipping
  • Offer #3: $280.00 price + $60.00 delivery = $340.00* total. 0 470 006 005 / 0 986 444 509. This Diesel Fuel Injection Pump Solenoid will fit.+$60.00 shipping
  • Offer #4: $895.00 price + $14.95 delivery = $909.95* total. New in box-removed for photo purposes only.+$14.95 shipping
  • Offer #5: $950.00 price + $22.10 delivery = $972.10* total. For parts not working Used core Bosch injection pump core.+$22.10 shipping