


O2 Sensor Wire Harness Extension 24" LS Oxygen Sensor Flat 4-Wire Connector 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 Flat 4-Wire Connector PlugLS O2 Sensor 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 4 FLAT style connectors (see photos) Includes: 1pc wire extension harness Assembled with OEM tooling, OEM Delphi (connector, lock, seals, and terminals),(uses OEM harness wire colors) Don't take a chance with
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- 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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Product Reviews
★★★★★ 5
I can wire my 0gage wre finally
Size: 300A Fuse Holder
The speed of service and delivery fused at different Amps voltage to purchase appearance is always a great addition and skar audio is always a head of the game I love skar audio I have been running their RP series amps I have all of them except the 4500.1 I bought this for my 07 Wolfsburg jetta with a 15 dual 2ohm down to 1ohm with the RP 3500.1 and it slumps and hits so low the skar box foe my single 15evl series..is tuned to 30htz..n when it hits that level and lower man u know it ..o call it the 23htz (23hurter)..explosive always excellent quality and functionality thanks 😊
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Reviewed in the United States on January 28, 2025
★★★★★ 5
Top notch
Size: 300A Fuse Holder
Very good quality
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Reviewed in the United States on January 8, 2026
★★★★★ 5
It’s good
Size: 300A Fuse Holder
It does it’s job.
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Reviewed in the United States on January 18, 2026
★★★★★ 4
Cover too loose.
Size: 300A Fuse Holder
Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
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Reviewed in the United States on December 3, 2025