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Summit Racing™ Oxygen Sensor Extension Harnesses

4.15 out of 5 stars 13 Customer Reviews

Summit Racing™ oxygen sensor extension harnesses are a must with full-length headers and other specific applications. These extension harness sets feature a direct plug-in design to eliminate the cutting and lengthening of oxygen sensor wires, along with high-temperature sleeving to help protect the wires from heat. They're available in a variety of plug styles, harness lengths, and other options. Order the pair recommended for your vehicle.

Results 1 - 7 of 7

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

Part Number: SUM-890168

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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

Part Number: SUM-890170

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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

Part Number: SUM-890169

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

Oxygen Sensor Extension Harness, 4 Wire, Flat, 24 in. Long, Early LS1, LS6, LT1, Pair

Part Number: SUM-890132

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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

Part Number: SUM-890166

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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

Part Number: SUM-890167

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

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Estimated Ship Date: Monday 7/7/2025

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