CUMMINS 3904200 Pipe Air Inlet Rgt 3902463 B4.5S 3906973 3905877

( Brand: Cummins ), ( Manufacturer Part Number: 3904200 ), ( Part Type: Pipe ), ( Ipn: 3902463 ), ( Oem Interchange: Ram, Dodge, Peterbilt, Ford, Blue Bird, International, Freightliner, Loader, Steiger, Power Unit, Water Pump, Fork, Marine, Genset, Agriculture, Industry, Case, Construction, John Deer, Generator, Tractor, Kenworth, Mack, Jcb, Forklift, Excavator, Bulldozer ), ( Oem Part Numbers: Motorhome, Tractor, Kenworth, Semi, Vermeer, Tiger Cat, Cummins, Allis Chalmers, Combine, Harvester, Sprayer, Gleaner, Massey Ferguson, New Holland, D250, D350, W250, W350, 2500, 3500, 4500, 5500, Crane, Tadano, Hyster, Isb, Qsb, Qsc ), ( Superseded Part Numbe: 3906973 ), ( Oem Interchange Part Numbers: Freightliner Fl50, Freightliner Fl60, Freightliner Fl70, Freightliner Fl80, Freightliner Fs65, Freightliner Mt35, Freightliner Mt45, Freightliner Mt55, Freightliner Fc70, Ford Cf700, Ford F700, Isb, Qsb, White, Skid Steer, B3.9, Thomas, Small Cam, Cabover, 3905877 )

Review CUMMINS Pipe Air Inlet For B4.5 Rgt fits B4

Introducing the Cummins 3904200 pipe air inlet, a crucial component designed specifically for Cummins B4.5 RNG and B4.5S engines with the part numbers 3906973 and 3902463. This air inlet pipe is an essential upgrade for your engine, ensuring optimal performance and durability.

The pipe is meticulously crafted from high-quality materials, ensuring it can withstand the rigors of heavy-duty use. Its robust construction is designed to resist corrosion and wear, making it an excellent investment for those seeking long-term reliability.

Measuring approximately 17.5 inches in length, 3.5 inches in diameter, and weighing around 3.5 pounds, this air inlet pipe is a perfect fit for the specified Cummins engines. Its precise dimensions and engineering ensure a seamless integration into your engine system, enhancing its overall efficiency and effectiveness.

The pipe's smooth interior surface allows for unobstructed airflow, ensuring that your engine receives an ample supply of clean, cool air. This improved air intake results in better combustion, increased horsepower, and enhanced fuel economy.

Moreover, the Cummins 3904200 pipe air inlet is designed with a sophisticated filter system that traps impurities and contaminants, protecting your engine from harmful particulate matter and debris. This results in reduced maintenance requirements and prolonged engine life.

This air inlet pipe is easy to install, requiring minimal tools and expertise. Its straightforward design and clear instructions make it an ideal choice for both professional mechanics and DIY enthusiasts.

In summary, the Cummins 3904200 pipe air inlet is a top-tier upgrade for your B4.5 RNG and B4.5S engines, offering improved performance, durability, and filtration capabilities. Its high-quality construction, precise dimensions, and user-friendly installation process make it a valuable addition to your engine system.

The Cummins 3904200 pipe air inlet is a replacement part designed for various Cummins engines, including those found in the B4.5 RGT, B4.5S, 3906973, and 3902463 models. This part is essential for ensuring proper air intake for the engine, and its replacement might be necessary due to wear and tear or engine upgrades. Let's discuss the pros and cons of purchasing this part to help you make an informed decision.

1. Improved Engine Performance: A new air inlet filter ensures optimal air flow into the engine, which can lead to increased horsepower and torque, providing better overall engine performance.

2. Enhanced Filtration: The replacement air inlet filter offers improved filtration capabilities, ensuring that the engine is protected from contaminants and debris, thereby extending the engine's lifespan.

3. OEM Part: Purchasing an OEM (Original Equipment Manufacturer) part, such as the Cummins 3904200, guarantees a perfect fit and compatibility, ensuring that the engine runs smoothly and efficiently.

4. Reduced Maintenance Costs: While the initial cost of purchasing an OEM part might be higher compared to aftermarket alternatives, the long-term benefits, such as durability and improved engine performance, can lead to reduced maintenance costs and increased savings.

5. Peace of Mind: Using a genuine OEM part, such as the Cummins 3904200, offers peace of mind knowing that the part is specifically designed for your engine and meets the highest standards of quality and performance.

1. Cost: The cost of the Cummins 3904200 part might be higher than aftermarket alternatives. However, the benefits of improved performance, durability, and peace of mind often outweigh the initial investment.

2. Availability: Depending on the supplier or distributor, the availability of the Cummins 3904200 part might be limited. It is essential to ensure that you purchase the part from a reputable supplier to guarantee availability and timely delivery.

The Cummins 3904200 pipe air inlet is an essential part for ensuring optimal engine performance and longevity. While the initial cost might be higher than aftermarket alternatives, the benefits, such as improved filtration, OEM quality, and peace of mind, often outweigh the investment. Therefore, it is recommended that you purchase the genuine Cummins 3904200 part to maintain the performance and longevity of your engine.

Details:

Condition is Used. Shipped with USPS Ground Advantage. PIPE AIR INLET For Cummins B4.5 RGT B4.5S 3906973 3902463 3904200 3905877.

part #: 3904200 prices

• $14.86-$211.02

specifications grokengines:

• for models: B4
• brand: Cummins
• mpn: 3904200
• part type: Pipe
• ipn: 3902463
• oem interchange: Ram, Dodge, Peterbilt, Ford, Blue Bird, International, Freightliner, Loader, Steiger, Power Unit, Water Pump, Fork, Marine, Genset, Agriculture, Industry, Case, Construction, John Deer, Generator, Tractor, Kenworth, Mack, Jcb, Forklift, Excavator, Bulldozer
• oem part numbers: Motorhome, Tractor, Kenworth, Semi, Vermeer, Tiger Cat, Cummins, Allis Chalmers, Combine, Harvester, Sprayer, Gleaner, Massey Ferguson, New Holland, D250, D350, W250, W350, 2500, 3500, 4500, 5500, Crane, Tadano, Hyster, Isb, Qsb, Qsc
• superseded part numbe: 3906973
• oem interchange part numbers: Freightliner Fl50, Freightliner Fl60, Freightliner Fl70, Freightliner Fl80, Freightliner Fs65, Freightliner Mt35, Freightliner Mt45, Freightliner Mt55, Freightliner Fc70, Ford Cf700, Ford F700, Isb, Qsb, White, Skid Steer, B3.9, Thomas, Small Cam, Cabover, 3905877

returns grokengines:

• policy: No Returns

payments grokengines:

• credit card: Discover
• wallet: Google-pay
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seller grokengines:

• rating: 98.0%
• # reviews: 1645
• city: Clarkston, Michigan

general grokengines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: Used

offer grokengines:

• started: December 5, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True

shipping grokengines:

• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated
• transit: 26-31 Days
• class: Standard

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