AEM Bosch LSU 4.9 UEGO Replacement Sensor

AEM Bosch LSU 4.9 UEGO Replacement Sensor

Marsoni

M251S

$150.94

Get it in 3 business days with 1 day shipping. Friday, May 29

AEM Bosch LSU 4.9 UEGO Replacement SensorAEM's Bosch 4. 9LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and male connector) and is intended to replace an existing mounted wideband sensor used with AEM wideband air fuel UEGO controllers. These sensors have a laser etched, calibrated resistor in the sensor's connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will invalidate the sensor's

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Fast: 2-3 business days
Express: 1-2 business days

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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.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

This is my go-to replacement when I conduct maintenance on my personal vehicle. The item is amazingly easy to install (use YouTube tutorials if necessary). The quality and value for the money is better than what I can receive at my local service center. The option to order this every six months as Subscribe & Save is worth it!

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Reviewed in the United States on May 26, 2025

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Joy Lokey

Houston, US

★★★★★ 5

Great alternate

Size: (Pack of 1)

This fit my 2018 Honda Accord perfectly, great price, easy replacement. Dealer wanted $50 to do it for me, NO! :)

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Reviewed in the United States on January 9, 2025

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Brian Tran

Massapequa, US

★★★★★ 4

Not oem but ok

Size: (Pack of 1)

It’s a filter

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Reviewed in the United States on December 11, 2025

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Amazon Customer

Dallas, US

★★★★★ 5

Great Engine Air Filter For Honda Accord Speed 2.0 2018

Size: (Pack of 1)

It is one of the 2 engine air filters available on Amazon for Honda Accord Speed 2.0 2018. I see the same quality as the original OEM engine air filter. Perfect fit. The other one is ‎K&N 33-5074, but at a much higher price.

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Reviewed in the United States on April 3, 2024

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GradyPhilpott

Lowell, US

★★★★★ 5

It Fits

Size: (Pack of 1)

It fits and the engine hasn't blown up yet, so so far so good. More to the point, the increased air flow has yielded better gas mileage and engine response.

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Reviewed in the United States on November 15, 2025