


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
Quick Dispatch:
Your O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key Plug orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key Plug ships.
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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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Color: Silver-Blue
Durable and solid and looks really clean
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Well made
Color: Black
Excellent watch. Fits well. The color is smooth. Would recommend
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Reviewed in the United States on April 29, 2026
★★★★★ 4
The watch is beautiful
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Worth it!
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