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BBK O2 Sensor Extension Harness Sets

4.56 out of 5 stars 45 Customer Reviews

BBK oxygen sensor extension harness sets are direct plug-in designs to prevent the cutting and lengthening of your oxygen sensor wires. They are ideal for full-length headers and other specific applications.

Results 1 - 17 of 17

Oxygen Sensor Extension Harnesses, 18 in. Length, Front, Ford, Pair

Part Number: BBK-1121

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Oxygen Sensor Extension Harness, 24 in. Length, Factory Connectors, Rear Sensors, For Use With Long Tube Headers, Dodge, Chrysler, V8, Pair

Part Number: BBK-11181

5.0 out of 5 stars ( 5 )

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Oxygen Sensor Extension Harnesses, 18 in., 4-Terminal Round Connector, Direct Plug-In, Ford, V8, Pair

Part Number: BBK-1676

4.59 out of 5 stars ( 17 )

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Oxygen Sensor Extension Harnesses, 4-wire, 4 Square Female Plug Style, 12 in. Length, Dodge, Ram, 5.7L, Pair

Part Number: BBK-1118

5.0 out of 5 stars ( 7 )

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Oxygen Sensor Extension Harness, 12 in. Length, Factory Connectors, Front Sensors, For Use With Long Tube Headers, Dodge, Pair

Part Number: BBK-1114

5.0 out of 5 stars ( 3 )

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Oxygen Sensor Harness Extensions, 12 in. long, Trapezoidal 4-Pin Connector, GMC, Chevy, Pair

Part Number: BBK-1115

4.0 out of 5 stars ( 1 )

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Oxygen Sensor Extension Harnesses, 12 in., 6-Terminal Connector, Direct Plug-In, Ford, V8, Pair

Part Number: BBK-1112

5.0 out of 5 stars ( 5 )

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Oxygen Sensor Extension, 12 in. Long, Factory Connectors, Front and Rear Driver Side Sensors, For Use With BBK-4044 and BBK-40440, Chevy, Camaro, Pair

Part Number: BBK-1113

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Oxygen Sensor Extension Harnesses, 12 in. Length, Front, Chevy, Pair

Part Number: BBK-1122

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Oxygen Sensor Extension Harnesses, 6-wire, 12 in. Length, Ford, Pair

Part Number: BBK-1119

5.0 out of 5 stars ( 2 )

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Oxygen Sensor Extension Harnesses, 4-wire, 12 in. Length, Ford, 5.0L, Kit

Part Number: BBK-16332

5.0 out of 5 stars ( 1 )

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Oxygen Sensor Extension Harnesses, 12 in. Length, 4 Square Female and 4 Square Male Plug Style, Ford, Pair

Part Number: BBK-1110

1.0 out of 5 stars ( 1 )

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Oxygen Sensor Extension, 36 in. Long, Factory Style Connectors, Various Fitment, 2008-13 GM Models, May Require the Removal of Directional Pins, Pair

Part Number: BBK-1116

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Oxygen Sensor Extension Harness, 24 in. Long, Factory Connectors, Front Sensors Only, For Use With Long Tube Headers, Ford, Mustang, 3.7L V6, Pair

Part Number: BBK-1111

5.0 out of 5 stars ( 1 )

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Oxygen Sensor Harness Extensions, 12 in. long, Round 4-Pin Connector, Dodge, Jeep, Pair

Part Number: BBK-1117

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Oxygen Sensor Extension Harnesses, 12 in. Length, Rear, Chevy, Pair

Part Number: BBK-11221

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Oxygen Sensor Extension Harnesses, 24 in. Length, Front, Jeep, Each

Part Number: BBK-1123

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Estimated Ship Date: Oct 6, 2025 if ordered today

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