


O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key Plug
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key PlugLS O2 Sensor Square 4 Wire 2 Keyway Wire Harness 24" Extension Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire Every assembly is individually hand tested to ensure it exceeds OEM standards Compatible with GM LS series engines with Square 4 Wire 2 Keyway style connectors (see photos) Includes: 1pc wire extension harness Assembled with OEM tooling, OEM Delphi (connector, lock, seals, and terminals),(uses OEM harness
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Your O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key Plug orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
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Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
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Reviewed in the United States on April 15, 2025
★★★★★ 5
As good as Honda OEM
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Reviewed in the United States on December 27, 2025
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Perfect fit
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