Skip to content

O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key Plug

Marsoni M251S
Sale price$38.95
Pay 4 payments of $9.74 a month.Shop Pay
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
Easy Shipping

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.

Need Help?
Questions about O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key Plug, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Square 4 Wire 2 Key Plug in your area.

Get Shipping Estimates

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
4.8 ★★★★★
Based on 152 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 5
Great OEM replacement at hlaf the cost
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.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
E
Verified Purchase
Elliot
Massapequa, US
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
F
Verified Purchase
Fatman
Whiting, US
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 5
East
Easy to replace and great fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
T
Verified Purchase
Tom
Lake Worth, US
★★★★★ 5
Perfect fit
Nice quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2025

recommand products