


LS Gen 3 ECM Bench Reader Diagnostic Tuning Tool Harness LS1 LM7 P01 P59 0411
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LS Gen 3 ECM Bench Reader Diagnostic Tuning Tool Harness LS1 LM7 P01 P59 0411LS Gen 3 Engine Computer ECM Bench Reader Harness Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire Plug and play for GM (Gen 3) LS series engine computers When using Blue Green ECM only the blue connector will be used Allows Engine Computer to be flashed and tuned off vehicle Includes: 1 bench reader harness Assembled with OEM tooling, OEM Delphi (connector, lock, seals, and terminals),(uses OEM harness wire colors)
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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
Love the color
Color: Red, Color: Red
Super vibrant color with minimal shedding .. it fits my steering wheel and easy to install and worth the money..
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Reviewed in the United States on May 17, 2026
★★★★★ 3
It’s ok
Color: Lavender Purple
Its ok. Not as fluffy as i think it would be. I have had it over a month or so and its starting to get even more less fluffy. The color wAs more like a faded purple
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Very fluffy
Color: Wolf Tipped
Fast shipping and looks good
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Reviewed in the United States on May 19, 2026
★★★★★ 5
ITS SOOOO FLUFFY!!
Color: Orange
Ooouuu she’s so fluffy!!!!!! Omg, I’m in love. The color looks exactly as pictured. The gear shift cover was way too small for my RAV4 but it’s okay, it kind of interfered with the button to move the gear. Also, if you need to see the info on the dash, be aware that the steering wheel cover blocks it for the most part. I’m not bothered by it but it’s something to make note of for those who might be.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Warm and soft!!
Color: Orange, Color: Orange
So funky and cute! Matches my inferno orange car! I really only wanted the steering wheel cover & have no need for the other covers because they don’t fit on my shifter, or my parking break. Besides, it gets kind of dirty on the console.
Keeping gloves in the car so it doesn’t end up dirty from my hands this winter:)
It does make it a bit hard to see the ignition and some of the gauges as it is so fluffy, but it’s so funny, I don’t care! Lol
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Reviewed in the United States on December 6, 2025