Oxygen Sensors

Classic Wideband Sensor Harness

• Plug & play harness for 30-4110 AFR gauge
• Direct fit for Bosch LSU 4.9 sensor
• Quick connect connectors

Bosch Replacement UEGO Sensor

• Never requires free-air calibration when used with an AEM Controller and connector plug.
• Connector and pins included
• Replacement sensor only

X-Series Wideband Sensor Harness

• Direct replacement for 30-0300 and 30-0334 AFR gauges
• Works with either Bosch LSU 4.9 sensor or AEM/FAE sensor
• Direct connection to Bosch 4.9 and AEM FAE sensor plug

FAE Wideband "Replacement" Sensor

• Replacement for 0300 with 0400 serial number
• Improved durability compared to Bosch 4.9.
• Faster response time.

Oxygen Sensor Plug

• Designed for enthusiasts
• Made in USA
• Backed by K& N warranty

Filter Minder, Screw in

• Monitors your K& N filter for air flow
• Indicates when the filter should be cleaned
• Easy to read, even after engine is off

Air-Fuel Ratio Sensor

Air-Fuel Ratio Sender for all Classic Instruments gauges

No-Weld O2 Sensor Mount

• No need to weld O2 bung into exhaust.
• 2.5in pipe diameter.
• Made of stainless steel.

02 Bung Only

Patriot Exhaust H7231 Universal weld-on 18mm oxygen sensor fitting

Atomic, O2 Sensor Wideband

Atomic EFI Support Component

Bosch 4.2LSU Wideband Sensor W/ Stainless Tall Manifold Bung

• Accurate to 0.1 AFR
• Specifically designed for use with AEM Wideband UEGO controllers
• Includes sensor and weld-on stainless-steel tall manifold bung

Bosch LSU 4.2 Wideband UEGO Installation Kit

• No calibration required when used with our gauges.
• Accurate to 0.1 AFR
• Sold as a kit

Bosch Replacement UEGO Sensor

• Never requires free-air calibration when used with an AEM Controller and connector plug.
• Connector and pins included
• Replacement sensor only

No-Weld O2 Sensor Mount

• No need to weld O2 bung into exhaust.
• 2in pipe diameter.
• Made of stainless steel.

No-Weld O2 Sensor Mount

• No need to weld O2 bung into exhaust.
• 3in pipe diameter.
• Made of stainless steel.

Oxygen Sensor O2 Bung Weld-In Style

• Universal
• Weld-In Bung
• Sensor not included

Oxygen Sensor Weld Fitting (Weld Bung) - Steel

• Requires Welding

Performance Exhaust 6500W Oxygen Sensor Extension Wires

• 24 Inch length
• Black Square Plug
• 97-04 Chevy/GM Vehicles

Performance Exhaust 6502W Oxygen Sensor Extension Wires

• 36 Inch length
• Black Square Plug
• 98-02 Chevy/GM Vehicles

Performance Exhaust 6503W Oxygen Sensor Extension Wires

• 24 Inch length
• Grey Square Plug
• 04-06 Chevy/GM Vehicles

Performance Exhaust 6680W Oxygen Sensor Extension Wires

• 36 Inch length
• Round Plug
• 05-10 Ford Vehicles

Performance Exhaust 6685W Oxygen Sensor Extension Wires

• 37.5 Inch length
• 6-Pin Plug
• 11-18 Ford Vehicles - Front

Performance Exhaust 6812W Oxygen Sensor Extension Wires

• 8.5Inch length
• Trapezoid Plug
• 10-15 Chevrolet/GM Vehicles

Performance Exhaust 6965W Oxygen Sensor Extension Wires

• 25.5 Inch length
• Black Square Plug
• 05-18 Dodge/Chrysler Vehicles

Pressure Sensor 1 Harness for 7767

If you are looking for accurate AFR readings Pre-turbo or just want to know what your back pressure is then the 7767 is for you.