Silencer DeLong 2,000–540008DZ91259540008
Silencer DeLong 2,000–540008DZ91259540008
Silencer DeLong 2,000–540008DZ91259540008
Silencer DeLong 2,000–540008DZ91259540008
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  • Silencer DeLong 2,000–540008DZ91259540008
  • Silencer DeLong 2,000–540008DZ91259540008
  • Silencer DeLong 2,000–540008DZ91259540008
  • Silencer DeLong 2,000–540008DZ91259540008

Silencer DeLong 2,000–540008DZ91259540008: Performance Analysis and Market Applications

In the heavy‑truck segment, the muffler is a core component of the exhaust system, significantly impacting a vehicle’s environmental performance, power output, and ride comfort. The DZ91259540008 muffler, fitted on Shaanxi Auto’s Delong models, has garnered attention for its consistent quality and broad compatibility. This article examines this component from multiple perspectives, including its technical specifications, compatible vehicle models, pricing, and supplier details.

Technical Features: Balancing Noise Reduction and Environmental Sustainability

The DZ91259540008 silencer employs a multi-stage expansion chamber design, leveraging principles such as sound wave reflection to reduce exhaust noise. Its interior incorporates both reactive (e.g., fiberglass wool) and resistive (e.g., expansion chambers, perforated plates) silencing elements, enabling effective attenuation across multiple frequency bands. In field tests on the Delong F3000, exhaust noise was reduced from 105 dB to below 85 dB, meeting the China V emission‑noise limits.

The muffler housing is made of high‑temperature‑resistant stainless steel, capable of withstanding exhaust temperatures exceeding 600°C, thereby preventing seal failure. Its design optimizes the flow path, minimizing backpressure and its adverse impact on engine power. Taking the Weichai WP10 engine as an example, after equipping it with this muffler, power loss is kept below 3%, ensuring stable power output.

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