


Haltech NEXUS S3 Plug-n-Play Adapter Harness
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Haltech NEXUS S3 Plug-n-Play Adapter HarnessSKU: HT 186367 UPC: 9356450015370 Haltech Nexus S3 Plug 'n' Play Adapter Harness for Toyota 1JZ GTE VVT i JZX100 Models The Haltech Nexus S3 Plug 'n' Play Adapter Harness HT 186367, designed specifically for seamless integration into JDM vehicles equipped with the 1JZ GTE VVT i engine and manual transmission. This harness connects directly to your Haltech Nexus S3 ECU, plugging into the factory wiring without any cutting or splicing required, which
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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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4.8 ★★★★★
Based on 779 reviews
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Product Reviews
★★★★★ 1
Low quality. Recommend something from a better brand.
Low quality. Seemed fine until the first one I ordered one of the terminals broke off with very little tightening force. The replacement i had ordered worked for a few days then quit working altogether. Overall disappointed.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Bueno
Lo recomiendo
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Good Relay
Works very well
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Reviewed in the United States on August 27, 2024
★★★★★ 3
Functional. Be careful when tightening nuts...strips very easy
Quality is questionable. The poles will strip way to easy. So be careful when fighting down. I had to use a stack of washers on top of wire to keep the nut tight. As far as functionality goes ..been doing great for over a month.
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Reviewed in the United States on March 6, 2025
★★★★★ 5
Well needed
Great for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
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