QFS Wideband O2 Sensor (Bosch LSU 4.9 Style), Replaces AEM 30-2004

★★★★★ 4.4 91 reviews

$36.10
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$36.10
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 228664968 Release Date 2026/05/31 List Price $14.44 Model Number 228664968
Category
  • HFP-WBS49 is a professional-grade replacement wideband air/fuel ratio (AFR) sensor, engineered for laboratory-grade accuracy and lightning-fast response times in high-performance tuning environments
  • Industry-Standard Compatibility: Designed specifically as a direct replacement for the AEM 30-2004 sensor; compatible with the AEM 30-4110 (Digital Wideband), AEM 30-0300 (X-Series), and various Autometer, FAST, and Dynojet wideband controllers
  • LSU 4.9 Architecture: Utilizes the advanced Bosch LSU 4.9 design, which does not require "free-air" calibration when used with compatible modern controllers, ensuring consistent accuracy throughout the life of the sensor
  • Broad Cross-Reference: Replaces multiple high-performance and OEM part numbers including Autometer 2243, FAST 170408, AC Delco 213-1572, and GM 12575657
  • *Critical Connector Note: This sensor features the ROUNDED electrical plug. It is a dedicated LSU 4.9 replacement and will NOT work with older controllers requiring the square-style LSU 4.2 connector

ASIN B082WMVLW2
Model HFP-O2S-49
Brand Name HFP
Style Name Oxygen Sensor
Output Type electrical signal
Part Number HFP-WBS49
Manufacturer HFP
Mounting Type Flange Mount
Item Dimensions 4.5 x 1.5 x 4.5 inches
Included Components Oxygen Sensor
Warranty Description Lifetime Warranty
Upper Temperature Rating 120 Degrees Celsius
Specific Uses For Product Air/Fuel Ratio Monitoring

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4.4 out of 5
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91 ratings | 37 reviews
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