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Unitronic Wideband Conversion Harness
Unitronic Wideband Conversion Harness
Unitronic Wideband Conversion Harness
Unitronic Wideband Conversion Harness
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Unitronic Wideband Conversion Harness

Marsoni M251S
Sale price$109.99
Pay 4 payments of $27.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Unitronic Wideband Conversion HarnessUnitronic is pleased to present it's plug and play Wideband ECU Conversion Harness. Designed to easily convert your vehicle's wiring harness to accept a wideband oxygen sensor and Bosch 1. 8T Wideband ECU. Narrowband ECU's do not have the ability to provide dynamic lambda control, therefore, many tuners, including Unitronic, require converting to a wideband ECU for a better tuning experience and overall improved drive ability. Including complete
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Your Unitronic Wideband Conversion Harness orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • 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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 181 reviews
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Product Reviews
D
Verified Purchase
Dawn Christine Davault
Waukegan, US
★★★★★ 1
Not strong. Didn't last
Color: Large size (7.9")
Was ripped apart very quickly. Not strong. Would not buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
G
Verified Purchase
GRohloff
Pawtucket, US
★★★★★ 4
Keeps her busy!
Color: Medium size (5.9")
Our Molly loves this. Only thing is that it is a little too big for our Maltipoo, but she still tries to keep up with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
Tough
Color: Medium size (5.9")
So far my dog hasn’t destroyed it! And it’s been a month. So I call that a win. Plus he loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
D
Verified Purchase
Doug & Kelly
Dallas, US
★★★★★ 5
Great play and chew toy!
Pattern Name: Star
The dogs love these! They're sturdy and give them plenty of chew time. The size is great and they are very playable. The dogs have a lot of fun and the weight is just enough for our little dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
M
Verified Purchase
Michael R. Tench
Alexandria, US
★★★★★ 5
Great for tug of war
Pattern Name: Checkered
Dog loves them. Best tug of war toy yet. Pretty we’ll indestructible
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026

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