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NGK Audi A4 2006-2001 Direct Fit 5-Wire Wideband A/F Sensor

Marsoni M251S
Sale price$154.34
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Get it in 3 business days with 1 day shipping. Friday, May 29
NGK Audi A4 2006-2001 Direct Fit 5-Wire Wideband A/F SensorNTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 596 reviews
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M
Verified Purchase
Mark K
Houston, US
★★★★★ 5
Well made. Easy install.
Size: Standard--black, Size: Standard--black
These were easy to install. All the hardware was included. They look good. Seems well made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
O
Verified Purchase
Optionado
West Palm Beach, US
★★★★★ 5
Sturdy solution
Size: Standard--black
I needed a way to mount rear speakers and this was the solution. They're sturdy and adjustable to fit reasonably sized speakers. They also pivot up and down and swivel so really perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
G
Verified Purchase
greg
Boise, US
★★★★★ 5
Works good
Size: 500 A
Works good of 0 gage wiring
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2024
D
Verified Purchase
Daniel T McCallion
Dallas, US
★★★★★ 5
Not all 100-500ah fuses are the same size as the holder you may have and vise versa
Size: 500 A
Better than most and best to use ring terminal like this
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 7, 2023
W
Verified Purchase
Westley
Massapequa, US
★★★★★ 4
Good job .
Size: 500 A
Product is working as it should so far .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026

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