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Haltech

Haltech Nexus S3 ECUs with Plug-and-Play Harness

Not Yet Reviewed

The Nexus S3 ECU is the successor to the acclaimed Elite 2500, offering a serious upgrade in performance and functionality. With advanced features, user-friendly in
The Nexus S3 ECU is the successor to the acclaimed Elite 2500, offering a serious upgrade in performance and functionality. With advanced features, user-friendly interface, and seamless connectivity, the S3 redefines the standard for engine management systems in the automotive industry. Haltech offers several ways to connect your S3 ECU.

If you are using a factory harness and are after an easy ECU upgrade, Haltech Nexus S3 ECUs with a plug-and-play adapter harness are excellent choices. They plug directly into the ECU and have a set of factory connectors on the other side which plug straight into the factory har
The Nexus S3 ECU is the successor to the acclaimed Elite 2500, offering a serious upgrade in performance and functionality. With advanced features, user-friendly interface, and seamless connectivity, the S3 redefines the standard for engine management systems in the automotive industry. Haltech offers several ways to connect your S3 ECU.

If you are using a factory harness and are after an easy ECU upgrade, Haltech Nexus S3 ECUs with a plug-and-play adapter harness are excellent choices. They plug directly into the ECU and have a set of factory connectors on the other side which plug straight into the factory harness, allowing you to be up and running in just a few hours. The included quick-start guide will walk you through installation of the adapter harness into your vehicle. Select the Haltech S3 ECU and harness kit designed for your vehicle.

Kits include:

* Nexus S3 ECU
* Injection molded plastic plug-and-play adaptor harness
* M14 x 1.5 air temp sensor with matching plug and pins
* Auxiliary I/O 16-pin Tyco plug and pins

All the results found for this search are Not In Stock.

Results 1 - 25 of 26

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213325

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213325

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213325

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Audi, VW, 1.8T AWP, Kit

Part Number: HTH-HT-213325

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1990-1996 300ZX - HT-213319

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1990-1996 300ZX - HT-213319

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1990-1996 300ZX - HT-213319

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, Z32, Kit

Part Number: HTH-HT-213319

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1995-1997 LAND CRUISER - HT-213323

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1995-1997 LAND CRUISER - HT-213323

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1995-1997 LAND CRUISER - HT-213323

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Toyota, Land Cruiser 80 Series, 1FZ-FE, Kit

Part Number: HTH-HT-213323

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1994-1998 SUPRA - HT-213324

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1994-1998 SUPRA - HT-213324

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1994-1998 SUPRA - HT-213324

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Toyota, Supra A80, 2JZ, Kit

Part Number: HTH-HT-213324

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2006-2010 IMPREZA - HT-213311

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2006-2010 IMPREZA - HT-213311

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2006-2010 IMPREZA - HT-213311

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Subaru WRX, Kit

Part Number: HTH-HT-213311

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1990-1997 MIATA - HT-213316

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1990-1997 MIATA - HT-213316

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1990-1997 MIATA - HT-213316

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Mazda Miata, NA, Kit

Part Number: HTH-HT-213316

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2005-2006 LANCER - HT-213318

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2005-2006 LANCER - HT-213318

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2005-2006 LANCER - HT-213318

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, EVO 8 MR, EVO 9, Kit

Part Number: HTH-HT-213318

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213305

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213305

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213305

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Subaru WRX, Kit

Part Number: HTH-HT-213305

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213309

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213309

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213309

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, Skyline R34, Kit

Part Number: HTH-HT-213309

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213313

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213313

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213313

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Toyota, Chaser/Soarer, 1JZ, Kit

Part Number: HTH-HT-213313

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213317

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213317

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213317

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, S15, Kit

Part Number: HTH-HT-213317

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213320

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213320

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213320

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, Skyline R32, Kit

Part Number: HTH-HT-213320

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213321

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213321

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213321

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, Y60, TB42E, Kit

Part Number: HTH-HT-213321

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213322

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213322

Haltech Nexus S3 ECUs with Plug-and-Play Harness HT-213322

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, Y60/Y61, TB45E, Kit

Part Number: HTH-HT-213322

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1989-1994 240SX - HT-213315

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1989-1994 240SX - HT-213315

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1989-1994 240SX - HT-213315

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, S13, Kit

Part Number: HTH-HT-213315

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1994-1998 240SX - HT-213304

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1994-1998 240SX - HT-213304

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1994-1998 240SX - HT-213304

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for Nissan, S14, Kit

Part Number: HTH-HT-213304

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1979-1995 RX-7 - HT-213306

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1979-1995 RX-7 - HT-213306

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1979-1995 RX-7 - HT-213306

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Mazda RX-7, FD S7/8, Kit

Part Number: HTH-HT-213306

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2000-2005 MIATA - HT-213303

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2000-2005 MIATA - HT-213303

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2000-2005 MIATA - HT-213303

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Mazda Miata, NB, Kit

Part Number: HTH-HT-213303

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1995-1999 ECLIPSE, 2003-2005 LANCER, 1995-1998 TALON - HT-213308

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1995-1999 ECLIPSE, 2003-2005 LANCER, 1995-1998 TALON - HT-213308

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1995-1999 ECLIPSE, 2003-2005 LANCER, 1995-1998 TALON - HT-213308

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, DSM 2G, EVO 4-8, Kit

Part Number: HTH-HT-213308

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2002-2005 IMPREZA - HT-213310

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2002-2005 IMPREZA - HT-213310

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2002-2005 IMPREZA - HT-213310

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Subaru WRX, Kit

Part Number: HTH-HT-213310

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2015-2019 WRX STI, WRX, 2011 IMPREZA - HT-213312

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2015-2019 WRX STI, WRX, 2011 IMPREZA - HT-213312

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2015-2019 WRX STI, WRX, 2011 IMPREZA - HT-213312

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Subaru WRX, Kit

Part Number: HTH-HT-213312

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2002-2005 CIVIC, 2002-2004 RSX - HT-213302

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2002-2005 CIVIC, 2002-2004 RSX - HT-213302

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2002-2005 CIVIC, 2002-2004 RSX - HT-213302

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for use on Honda® EP3, Kit

Part Number: HTH-HT-213302

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1993-1995 RX-7 - HT-213307

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1993-1995 RX-7 - HT-213307

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1993-1995 RX-7 - HT-213307

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, Mazda RX-7, FD S6, Kit

Part Number: HTH-HT-213307

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1992-1995 INTEGRA - HT-213300

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1992-1995 INTEGRA - HT-213300

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 1992-1995 INTEGRA - HT-213300

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for use on Honda® B-Series OBD-I, Kit

Part Number: HTH-HT-213300

Not Yet Reviewed

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Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2005-2006 RSX - HT-213301

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2005-2006 RSX - HT-213301

Haltech Nexus S3 ECUs with Plug-and-Play Harness for 2005-2006 RSX - HT-213301

Engine Management Systems, Nexus S3, ECU with Plug'n'Play Harness, for use on Honda® DC5, Kit

Part Number: HTH-HT-213301

Not Yet Reviewed

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