Ignitions and Electrical› Ignition Components

Auto Meter

Bosch LSU4.2 Replacement O2 Sensor

$178.99

SKU: 2243

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The AutoMeter 2243 is a replacement O2 sensor designed for use with AutoMeter Wideband Air/Fuel Ratio gauges. It is a Bosch LSU4.2 replacement sensor only and features M18x1.5 male threads with a 10-inch wire lead and connector. This sensor is accurate to within 0.1 AFR and does not require free air calibration.
Show original supplier description
The AutoMeter 2243 is a direct replacement oxygen sensor specifically engineered to work with AutoMeter's line of Wideband Air/Fuel Ratio gauges. As a Bosch LSU4.2 sensor, it offers reliable performance for monitoring your engine's air-fuel mixture. Key specifications include M18x1.5 male threads for secure mounting and a 10-inch wire lead complete with a connector for straightforward installation. This sensor boasts an impressive accuracy of 0.1 AFR, providing precise readings critical for engine tuning and performance monitoring. Unlike some sensors, the AutoMeter 2243 does not require a free air calibration, simplifying the setup process. Constructed with a plastic material type and capable of withstanding temperatures up to 1550 degrees Fahrenheit, this flange-mount sensor is built for durability in demanding automotive environments. Its analog output type ensures compatibility with a wide range of AutoMeter AFR gauges.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandAuto Meter
Part Number2243
CategoryIgnitions and Electrical

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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