1. Manifolds & Headers Offered
  2. sku: 8161324813989883
  3. FREIGHTLINER 04-31354-003

FREIGHTLINER 04-31354-003 Header 6-BOLT

fits make: Freightliner.

04-31354-003 Freightliner Genuine Def Header 6 Gal 6-bolt

( Part Type: Header ), ( Manufacturer Part Number: 04-31354-003 ), ( Country/region Of Manufacture: United States )

Review FREIGHTLINER Genuine Def Header Gal 6-bolt

Introducing the Freightliner 04-31354-003 DEF Header, a crucial component for maintaining the emissions system in Freightliner trucks. This DEF (Diesel Exhaust Fluid) header is designed to efficiently deliver DEF fluid to the selective catalytic reduction (SCR) system. With a robust 6-bolt design, it ensures a secure and reliable connection to the SCR system.

The Freightliner 04-31354-003 DEF Header is meticulously engineered from high-quality materials. Its durable construction guarantees long-lasting performance under heavy-duty conditions. The header features an integrated, leak-resistant design that minimizes the risk of DEF fluid spills or leaks.

This DEF Header is specifically designed for Freightliner applications, ensuring a perfect fit and seamless integration with the truck's emissions system. The 6-bolt design provides a strong, secure connection to the SCR system, reducing the likelihood of rattling or vibration, which could negatively impact the performance of the emissions system.

The Freightliner 04-31354-003 DEF Header is a must-have for fleet managers, truck owners, and mechanics who demand optimal emissions system performance from their Freightliner trucks. Its efficient design ensures that the truck runs cleaner and meets strict emissions regulations, while its durable construction ensures that it withstands the rigors of heavy-duty use.

When it comes to maintaining the emissions system in your Freightliner truck, the 04-31354-003 DEF Header is an essential component. Its reliable, secure design, and leak-resistant construction make it an indispensable part of your truck's maintenance program. Don't compromise on emissions system performance - choose the Freightliner 04-31354-003 DEF Header for your Freightliner truck today.

The Freightliner 04-31354-003 DEF Header is a component used in select Freightliner trucks to meet emission regulations. This DEF (Diesel Exhaust Fluid) header is crucial for reducing nitrogen oxide emissions. Here are some pros and cons of purchasing this part:

Pros:

1. Compliance with Emission Regulations: This DEF header is an essential component for ensuring your Freightliner truck complies with emission regulations, which is mandatory in many regions.

2. Improved Engine Performance: By reducing emissions, this part can help improve the overall performance of your engine, enhancing fuel efficiency and power output.

3. Durable Construction: Freightliner is known for producing high-quality components, and this DEF header is no exception. It is constructed to withstand the rigors of commercial trucking, ensuring long-lasting performance.

Cons:

1. Cost: The Freightliner 04-31354-003 DEF Header is a relatively expensive component. While it is necessary for meeting emission regulations, the cost may be a significant consideration for some truck owners.

2. Complex Installation: Installing this part may require specialized tools and technical expertise. If you are not confident in your ability to install it yourself, you may need to pay for professional installation, adding to the overall cost.

3. Potential for Leaks: DEF headers are susceptible to leaks, especially if the truck experiences rough terrain or frequent heavy loads. Leaks can result in a loss of DEF fluid, which can impact both the truck's performance and your wallet.

Conclusion:

The Freightliner 04-31354-003 DEF Header is an essential component for ensuring your Freightliner truck meets emission regulations while also potentially improving engine performance. However, its high cost and complex installation, along with the potential for leaks, are significant drawbacks.

Recommendation:

If you own a Freightliner truck and need to replace your DEF header, it is recommended that you purchase the genuine Freightliner part to ensure compatibility and quality. However, before making the purchase, consider the potential costs and installation challenges. If you have the necessary expertise and resources, installing the part yourself could help offset some of the costs. Alternatively, you may want to explore aftermarket options, which may be more cost-effective, but ensure they are compatible with your specific truck model and meet the required emission standards.

part # 0431354003 prices

  • $237.00-$1490.00

specifications maniheader:

  • for makes: Freightliner
  • part type: Header
  • manufacturer part number: 04-31354-003
  • country/region of manufacture: United States

returns maniheader:

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

shipping maniheader:

  • type: Calculated
  • carrier: UPS
  • cost: $0.00
  • service: UPS 2nd Day Air, UPS Ground
  • class: Expedited, Standard
  • transit: 4-6 Days

payments maniheader:

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

seller maniheader:

  • rating: 100.0%
  • # reviews: 4

general maniheader:

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

offer maniheader:

  • sold: 0
  • availability: In Stock
  • started: September 19, 2025
  • options: Ship-to-home
  • quantity: 1
  • best offers: True
for makes: freightliner, part type: header, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 8161324813989883,

Freightliner 04-31354-003 Is Similar To:

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5 offers $237.00–$1490.00 USD
  • Offer #1: $1490.00 price + free delivery = $1490.00* total.FREE SHIPPING
  • Offer #2: $249.90 price + free delivery = $249.90* total. Fit For the Following Models 04-35649-001, 04-35649-002, 04-31354-004, 04-31354-000. Header - SSI, Connector, 6 Bolt, For Cummins, DEF (Diesel Exhaust Fluid) Tank.FREE SHIPPING
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  • Offer #5: $232.00 price + free delivery = $232.00* total. Easy Installation & Strong Compatibility: Standardized 6-bolt mounting design precisely matches the original vehicle interface.FREE SHIPPING