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Caspers Electronics Oxygen Sensor Extension Harnesses

4.7 out of 5 stars 56 Customer Reviews

Casper Electronics oxygen sensor extension harnesses prevent cutting and safely extend your O2 sensor wires during relocation. They are available in several styles to suit your application.

Results 1 - 8 of 8

Oxygen Sensor Extension Harness, 36 in., 4-Terminal Round Connector, Ford, Each

Part Number: CEI-109016

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Oxygen Sensor Extension Harness, 12 in., 4-Terminal Square Connector, Dodge, Each

Part Number: CEI-109209

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Oxygen Sensor Extension Harness, 36 in., 4-Terminal Square Connector, Universal, Each

Part Number: CEI-109008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Oxygen Sensor Extension Harness, 24.00 in. Length, 3 Male and 3 Female Round Terminals, Universal, Each

Part Number: CEI-109099

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Oxygen Sensor Extension Harness, 24 in., 1-Terminal Round Connector, Universal, Each

Part Number: CEI-109002

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Oxygen Sensor Extension Harness, 42 in., 4-Terminal Square Connector, Universal, Each

Part Number: CEI-109009

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Oxygen Sensor Extension Harness, 12 in., for use on Acura®/Honda®, Each

Part Number: CEI-109200

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Oxygen Sensor Extension Harness, 12 in., 4-Terminal Flat In-line Connector, Universal, Each

Part Number: CEI-109010

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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