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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
AEM Bosch LSU 4.2 Replacement O2 Sensor with ConnectorAEM's wideband UEGO air fuel ratio sensor kit includes a Bosch 4. 2 LSU Wideband UEGO sensor, connector plug, pins and plugs, and mild steel O2 bung. This kit is designed to be an installation kit for a sensor used with an AEM wideband air fuel UEGO controller. These sensors have a laser etched, calibrated resistor in the sensors connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will
AEM's wideband UEGO air/fuel ratio sensor kit includes a Bosch 4.2 LSU Wideband UEGO sensor, connector plug, pins and plugs, and mild steel O2 bung. This kit is designed to be an installation kit for a sensor used with an AEM wideband air/fuel UEGO controller.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 output. The wideband sensor is laboratory-calibrated at the Bosch factory, accurate to 0.1 AFR and never requires free-air calibration when used with an AEM wideband AFR controller.
Features:
- Accurate to 0.1 AFR
- Never requires free-air calibration when used with an AEM Controller and connector plug.
- Specifically designed for use with AEM Wideband UEGO controllers
- Includes sensor, weld-on bung, connector, wire seals and pins
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.7 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 4
Good quality, not a bad price
Size: Large, Style: Peanut Butter
Good value. It was cheaper to buy the pack of three instead of buying three separate. I wanted to try different shapes for the dogs. Honestly, they aren’t impressed, but it’s not due to a lack of quality of the product. It’s because they would rather shred Kleenex, eat dog poop, and steal chicken eggs.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
My dogs love love love these
Size: Large, Style: Peanut Butter
Repeat buyer here. I have Blue Heelers and Aussies so I have purchased many of the jumbo balls and we have loved them. I decided to gift this set to a friend. The pups ages range from 4 months-11 years and they adore these toys, even sleep with them! If you want to train your dogs to play with toys instead of your belongings, you can't go wrong with this peanut butter trio!
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Reviewed in the United States on November 28, 2025
★★★★★ 1
Cheap
Size: Medium, Style: Beef
My dog destroyed it in 5 minutes.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
German Shepard
Size: Large, Style: Peanut Butter
They hold up under German Shepard
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Amazing
Size: Large, Style: Peanut Butter
Awesome my pitbull loves her toys
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Reviewed in the United States on January 4, 2026