CUMMINS A0001404039 Cascadia Doser DD15 A0001405539

( Brand: Cummins ), ( Manufacturer Part Number: A0001404039 )

Review CUMMINS Freightliner Cascadia Def Doser Oem

Introducing the Cummins A0001404039 and A0001405539 components, essential elements of the Freightliner Cascadia DD15 Def diesel engine. These parts are specifically designed to maintain the optimal performance and emission compliance of this heavy-duty engine.

The Cummins A0001404039 is a DEF Doser, an integral part of the Selective Catalytic Reduction (SCR) system. This system is responsible for reducing harmful emissions, particularly nitrogen oxides (NOx), in the exhaust gases of the engine. The DEF Doser accurately meters and injects Diesel Exhaust Fluid (DEF) into the SCR system to facilitate the conversion of NOx into harmless nitrogen and water. The result is a cleaner exhaust stream that meets the stringent emissions regulations set by the Environmental Protection Agency (EPA).

The Cummins A0001405539, on the other hand, is a DEF Tank Heater. This component ensures that the DEF remains in a liquid state, even in extreme temperatures. The DEF Tank Heater maintains an optimal temperature range to ensure the proper functioning of the DEF Doser and the SCR system. This is particularly important during cold weather operations, as the DEF may otherwise thicken and become too viscous to flow properly.

Both the DEF Doser (A0001404039) and the DEF Tank Heater (A0001405539) are crucial components of the Cummins DD15 Def engine. They work together to ensure the engine operates efficiently while maintaining emissions compliance. The DEF Doser accurately meters and injects DEF into the SCR system, while the DEF Tank Heater maintains the proper temperature for the DEF. Together, these components contribute to the overall performance and reliability of the Freightliner Cascadia DD15 Def diesel engine.

The Cummins A0001404039 and A0001405539 components are essential parts of the DEF (Diesel Exhaust Fluid) dosing system in Freightliner Cascadia DD15 trucks with the Cummins engine. Here are some pros and cons of buying these components:

1. Improved Emission Compliance: These components are crucial for the proper functioning of the Selective Catalytic Reduction (SCR) system, which helps the truck comply with current emission regulations.

2. Enhanced Engine Performance: A well-maintained DEF system can lead to better engine performance, improved fuel economy, and reduced emissions.

3. Long Service Life: Cummins is known for manufacturing high-quality components, and these parts are designed to last for an extended period.

4. Availability: These components are widely available from various suppliers, ensuring easy access for repairs or upgrades.

1. Cost: The price of these components can be relatively high, especially when replacing multiple pieces at once.

2. Complexity: The DEF system can be complex, and installing or replacing these components may require specialized knowledge and tools.

3. Regular Maintenance: The DEF system requires regular maintenance, including fluid changes and filter replacements, to ensure optimal performance.

In conclusion, while the Cummins A0001404039 and A0001405539 components are essential for the proper functioning of the DEF system in Freightliner Cascadia DD15 trucks, their high cost and complexity may be deterrents for some buyers. However, the benefits of improved emissions compliance, enhanced engine performance, and long service life make these components a worthwhile investment for fleet operators and truck owners who value the longevity and efficiency of their vehicles.

Recommendation: If you own or operate a Freightliner Cascadia DD15 truck with a Cummins engine, it is highly recommended that you maintain the DEF system correctly and replace any faulty components promptly to ensure optimal performance and compliance with emission regulations. When purchasing these components, consider buying them from a reputable supplier to guarantee their quality and compatibility with your vehicle.

Details:

Def doser is in good condition. This def doser was removed from. Please review pictures for exact part numbers.

part #: a0001404039 prices

• $85.89-$349.00

specifications motoralph:

• for makes: Freightliner
• brand: Cummins
• mpn: A0001404039

payments motoralph:

• wallet: Paypal
• other
• credit card: Mastercard

general motoralph:

• Motors > Parts Accessories > Other
• condition: Used

seller motoralph:

• # reviews: 90
• rating: 100.0%
• city: Flowery Branch, Georgia

shipping motoralph:

• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• type: Fixed
• transit: 5-10 Days
• cost: $7.00

offer motoralph:

• started: August 20, 2025
• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock

returns motoralph:

• policy: No Returns

Cummins A0001404039 Is Similar To:

• Cummins 4376090 Upper Engine Gasket Set For M2 Freightliner (36.6% similar) Located at 2302 e pacific st grand prairie TX75050. Orders placed on Fri. Feel free to message with any questions regarding quantities or availability. Daily shipping Mon.-Fri...(February 12th, 2025)
• Onan 870-0133 Pal Nut Genuine Oem Cummins New (15.4% similar) Brand new in package genuine oem 3665100...(February 15th, 2025)
• Cummins A047m846-18 4353027 Scr Aftertreatment Device For 15l Isx qsx Oem (33.1% similar) Mpn: A047M846-18. Weight and dimensions include wood en pallet. After you win. Business name model: 4353027. Your name and phone. Contact person name and phone. Pickup hours. Used primarily on tier 4/1 5 liter six/GSX engines. Please bid accordingly. Features: T4-HDD-VESTMENT...(March 31st, 2025)
• Cummins 3606755 Onan Generator Mass Air Fuel Flow Sensor Nos Maf Oem (32.9% similar) Oman Cummins genuine parts oem air fuel flow sensor 3606755 nos...(April 3rd, 2025)
• Cummins 307-1166 Onan Start Solenoid Relay Oem Part (24% similar) Part #: Cummins 307-1166 for sale...(September 7th, 2025)
• Cummins 5265880 Quick Connector Disconnect Genuine Oem Made In Usa (27.1% similar) Part #: Cummins 5265880 for sale...(December 31st, 2025)
• Cummins 3163156 Electrical Inpower Cable Original Oem Part (37.9% similar) This high-quality cable is designed specifically for Cummins industrial engines. The product is a Cummins 3163156 electrical in power cable, an original oem part...(January 24th, 2026)