CUMMINS 4089431 Fuel Injector Pump Gear Qsx Nos 408943RX

( Brand: Cummins ), ( Type: Fuel Pump ), ( Ipn: 408943rx ), ( Manufacturer Part Number: 4089431 )

Review CUMMINS Oem Fuel Injector Pump Gear Liter Qsx Genuine Usa Nos fits ISX 2015

The Cummins 4089431 Fuel Injector Pump Gear is an essential component for maintaining the optimal performance of ISX and QSX engines. This gear plays a crucial role in the fuel delivery system by transferring power from the engine crankshaft to the fuel injector pump.

This gear is manufactured by Cummins, a leading global power solutions provider, ensuring the highest standards of quality and reliability. It is specifically designed for ISX and QSX engines and is engineered to provide efficient, consistent fuel delivery for superior engine performance.

The gear is made from high-strength materials, including steel, to ensure durability and longevity. Its precision machining ensures a perfect fit and smooth operation, reducing wear and tear on other engine components. The gear's tooth design is optimized for maximum torque transfer, ensuring the fuel injector pump receives the power it needs to function effectively.

The Cummins 4089431 Fuel Injector Pump Gear is a direct replacement for the original equipment, making it an excellent choice for fleet maintenance or repair applications. It is easy to install, requiring no modifications to the engine or fuel system. The gear comes with clear installation instructions to guide technicians through the process.

In summary, the Cummins 4089431 Fuel Injector Pump Gear is an essential component for ISX and QSX engines, designed to provide efficient, consistent fuel delivery for superior engine performance. It is manufactured to the highest standards of quality and reliability, ensuring long-lasting performance. With its easy installation process, this gear is an excellent choice for fleet maintenance or repair applications.

Cummins Fuel Injector Pump Gear 15 (Part Number: 4089431) for ISX and QSX engines is an essential component that ensures the proper functioning of the fuel injection system. Here are some pros and cons that might help in making an informed decision about purchasing this part:

1. Improved Fuel Efficiency: A worn-out or damaged fuel injector pump gear can lead to inefficient fuel delivery, resulting in increased fuel consumption. Replacing the faulty gear with a new one can help improve fuel efficiency.

2. Better Engine Performance: A malfunctioning fuel injector pump gear can affect the engine's performance by causing uneven fuel distribution and poor combustion. Replacing the gear can help restore the engine's power and responsiveness.

3. Reduced Emissions: Improved engine performance can lead to reduced emissions by ensuring complete combustion of fuel.

4. Longer Engine Life: Addressing fuel injector pump gear issues can prevent more significant and costly engine damage.

1. Cost: The cost of purchasing a new fuel injector pump gear can be high, especially for commercial vehicle owners who may need to replace multiple parts in a short period.

2. Labor Costs: The installation of a new fuel injector pump gear requires specialized knowledge and tools, leading to additional labor costs.

3. Time Consuming: Fuel injector pump gear replacement can be time-consuming, as it may involve the removal of various engine components to access the pump.

The decision to purchase Cummins Fuel Injector Pump Gear 15 (Part Number: 4089431) depends on various factors, including the vehicle's operating condition, fuel efficiency, engine performance, and cost considerations. If the engine is exhibiting signs of poor fuel economy, reduced power, or increased emissions, replacing the faulty gear could be a wise investment to restore optimal engine performance and extend the engine's life. However, the high cost and time consumption associated with this repair should be carefully weighed against the potential benefits.

Before making a decision, it is advisable to consult with a qualified mechanic or technician to assess the vehicle's condition and provide an accurate diagnosis of the issue. They can help determine if replacing the fuel injector pump gear is the best course of action or if there are alternative solutions to address the problem. Additionally, exploring various purchasing options, such as rebuilt or used parts, can help reduce the cost of the repair.

part # 4089431 prices

• $599.89-$710.00

specifications injectiopug:

• for models: Isx
• for years: 2015
• brand: Cummins
• type: Fuel Pump
• interchange part number: 408943RX
• manufacturer part number: 4089431

returns injectiopug:

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

seller injectiopug:

• rating: 100.0%
• # reviews: 366

shipping injectiopug:

• class: Expedited, One-day
• carrier: USPS, UPS
• type: Calculated
• service: USPS Priority Mail, UPS Next Day Air Saver
• transit: 5-11 Days
• cost: $0.00

payments injectiopug:

• credit card: Visa
• other
• wallet: Paypal

offer injectiopug:

• availability: In Stock
• best offers: True
• quantity: 1
• sold: 0
• started: March 21, 2026
• options: Ship-to-home

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New other see details

Cummins 4089431 Is Similar To:

• Cummins 2872035 Oem Isx12 Diesel Engine Fuel Accumulator Rail 4307370 (38.6% similar) $84.00–$500.00. (August 21st, 2024)
• Dodge Truck 322-00168 07-12 Ram Oem Mopar Cummins Fuel Injector 6.7l R8069384aa 196123 (32.1% similar) $39.00–$90.00. (August 21st, 2024)
• Cummins 3957077 2005 Dodge Ram 5.9l Turbo Diesel Fuel Rail Pressure Relief Valve (35.9% similar) $27.00–$257.95. (August 21st, 2024)
• Bosch 0402736838 P7100 Fuel Injection Pump Working 1995 12 Valve Dodge Ram Cummins Diesel (38.8% similar) $26.89–$769.00. (August 23rd, 2024)
• Bestpartsoffer 5297640 Fuel Rail Pressure Sensor Fits Dodge 6.7l Cummins 2007.5-2012 68002436ab (15.2% similar) $20.99. (August 26th, 2024)
• Denso 294000-1690 Fuel Injection Pump 294000-1691 5284018 5344768 For Cummins Isbe3.9 Isbe5.9l (40% similar) $550.00–$550.01. (August 30th, 2024)
• Dodge Ram Cummins 3924405 94-98 5.9l 12v P7100 Gear P# Oem (37.3% similar) $112.78–$415.00. (August 31st, 2024)
• Bosch 4937282 08-12 Isb Cummins 6.7 High Pressure Fuel Rail W Lines Sensor Used (33.5% similar) $149.99–$292.00. (September 2nd, 2024)
• Cummins 4306993 Fuel Rail Pressure Sensor For Dodge Ram 6.7l 2013-2017 (35.6% similar) $159.95–$227.00. (September 11th, 2024)
• Bosch 044526014 Used 2006 Ram 3500 Cummins Fuel Injection Isb 325 5.9 Shipped 29815 (34% similar) $399.40. (September 14th, 2024)
• Dodge 05015581aa 05-07 Cummins 5.9l Diesel Fuel Bowl Filter Housing Assembly With Lines (35.6% similar) $190.00–$200.00. (September 15th, 2024)