1. Manifolds & Headers Offered
  2. sku: 8157822343989883
  3. FREIGHTLINER 04-35649-001

FREIGHTLINER 04-35649-001 Header 6-BOLT

fits make: Freightliner.

04-35649-001 Freightliner Genuine Def Header 6 Gal 6-bolt

( Part Type: Header ), ( Oe/oem Part Number: 0435649001, 04-35649-002, 0435649002 ), ( Manufacturer Part Number: 04-35649-001 ), ( Country/region Of Manufacture: United States )

Review FREIGHTLINER Genuine Def Header Gal 6-bolt

The Freightliner 04-35649-001 DEF Header is a crucial component in the Selective Catalytic Reduction (SCR) system of Freightliner diesel engines. This DEF (Diesel Exhaust Fluid) header is specifically designed to meet the demands of heavy-duty commercial vehicles, ensuring efficient and effective emission control.

This 6-bolt DEF header, manufactured by Freightliner, is meticulously crafted using high-quality materials that can withstand the harsh operating conditions of commercial vehicles. Its robust design guarantees durability and reliability, providing peace of mind for truck operators and fleet managers.

The DEF header features a 6-bolt flange, which facilitates secure and leak-free installation on the vehicle's engine. This flange design is a common standard in the heavy-duty truck industry, ensuring compatibility with a wide range of Freightliner engines and aftermarket parts.

One of the most significant advantages of this DEF header is its ability to efficiently manage Diesel Exhaust Fluid (DEF) flow within the SCR system. By ensuring an adequate supply of DEF to the catalytic converter, the header contributes to the optimal performance of the emission control system. This not only helps in reducing harmful emissions but also ensures the engine operates at its best, promoting fuel efficiency and longevity.

The Freightliner 04-35649-001 DEF Header comes with a factory-new condition, ensuring that it functions as intended and delivers the performance that Freightliner is known for. This part is an excellent choice for fleet maintenance, repairs, or as a replacement for worn-out or damaged headers.

In summary, the Freightliner 04-35649-001 DEF Header is an essential component in the SCR system of Freightliner diesel engines. Its robust design, secure 6-bolt flange, and efficient DEF management capabilities make it a reliable and effective solution for heavy-duty commercial vehicles.

The Freightliner 04-35649-001 DEF Header with a 6-bolt pattern is a critical component of the Selective Catalytic Reduction (SCR) system in Freightliner vehicles. This part is responsible for delivering DEF fluid to the SCR system to reduce emissions. Here are some potential pros and cons of buying this component.

Pros:

1. Improved Emissions Compliance: By replacing a worn-out or defective DEF header, you ensure that your Freightliner vehicle continues to meet emissions regulations.

2. Fuel Economy: A properly functioning DEF system, including the DEF header, can contribute to improved fuel economy by reducing the amount of diesel fuel needed for combustion.

3. Reduced Engine Wear: A DEF header that functions correctly can help protect your engine by reducing the amount of harmful emissions that could potentially damage engine components.

4. Longer Engine Life: By maintaining a healthy DEF system, you can contribute to a longer lifespan for your Freightliner engine.

Cons:

1. Cost: Replacing a DEF header can be a costly repair, especially if you need to purchase the component and pay for installation.

2. Installation Complexity: The DEF header is a critical component of the SCR system, and the installation process can be complex, requiring specialized tools and knowledge.

3. Potential for Leaks: The DEF header is responsible for delivering DEF fluid to the SCR system, and any leaks could lead to a loss of fluid and potential damage to the vehicle.

Conclusion:

When considering purchasing a Freightliner 04-35649-001 DEF Header with a 6-bolt pattern, it's essential to weigh the benefits against the potential costs. Improved emissions compliance, fuel economy, reduced engine wear, and longer engine life are all compelling reasons to replace a worn-out or defective DEF header. However, the cost of the component and the complexity of the installation process are important factors to consider. Ultimately, if you value the long-term health and performance of your Freightliner vehicle, investing in a high-quality DEF header may be a worthwhile investment.

Recommendation:

When shopping for a Freightliner 04-35649-001 DEF Header, it's recommended to purchase from a reputable supplier with a good track record for providing high-quality parts. Additionally, consider seeking out professional installation services to ensure the component is installed correctly and efficiently. The potential benefits to your Freightliner vehicle's performance and longevity make this investment a worthwhile consideration.

part # 0435649001 prices

  • $249.90-$255.15

specifications maniheader:

  • for makes: Freightliner
  • part type: Header
  • oe/oem part number: 0435649001, 04-35649-002, 0435649002
  • manufacturer part number: 04-35649-001
  • country/region of manufacture: United States

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: New

payments maniheader:

  • other
  • wallet: Google-pay
  • credit card: Visa

seller maniheader:

  • rating: 100.0%
  • # reviews: 4

offer maniheader:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • started: September 19, 2025
  • best offers: True

returns maniheader:

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

shipping maniheader:

  • service: UPS 2nd Day Air, UPS Ground
  • transit: 3-6 Days
  • carrier: UPS
  • cost: $0.00
  • type: Calculated
  • class: Expedited, Standard
for makes: freightliner, part type: header, oe/oem part number: 0435649001, 04-35649-002, 0435649002, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 8157822343989883,

Freightliner 04-35649-001 Is Similar To:

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5 offers $249.90–$255.15 USD
  • Offer #1: $255.15 price + free delivery = $255.15* total. OE Number: , 04-35649-002, 04-31354-004, 04-31354-000 04-31354-001, 04-31354-002, 04-31354-003, 04-31354-004 Specifications.FREE SHIPPING
  • Offer #2: $249.90 price + free delivery = $249.90* total. Fit For the Following Models , 04-35649-002, 04-31354-004, 04-31354-000. Header - SSI, Connector, 6 Bolt, For Cummins, DEF (Diesel Exhaust Fluid) Tank.FREE SHIPPING
  • Offer #3: $254.17 price + free delivery = $254.17* total. Working Temperature: -40 F to 185 F (-40 C to +85 C) Part Numbers. , 04-35649-002.FREE SHIPPING
  • Offer #4: $249.90 price + free delivery = $249.90* total. -With these parts you can replace your defective parts simply plug and play. 24 months without mileage limitation.FREE SHIPPING
  • Offer #5: $244.30 price + free delivery = $244.30* total. 04-35649-002 features a high-quality steel construction offering exceptional durability and corrosion resistance for harsh operating environments.FREE SHIPPING