Ignitions and Electrical› Wiring Harnesses

Haltech

2JZ GE VVTi ECU Adapter Harness Kit

$899.00

SKU: HT-141341

In Stock
In Stock
Ships by Jul 31
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Haltech HT-141341 is an adapter harness kit for the Lexus IS300, enabling a parallel, piggy-back installation with the factory ECU. This harness is specifically designed for the 2JZ GE VVTi engine, fitting 2002-2005 Lexus IS300 models. It supports both automatic and manual transmissions and is intended for USA models only.

MIA's Description

The Haltech HT-141341 is an adapter harness kit designed for the Lexus IS300. It facilitates a parallel, piggy-back installation in conjunction with the factory ECU. This harness is specifically engineered for the 2JZ GE VVTi engine found in 2002-2005 Lexus IS300 models.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHaltech
Part NumberHT-141341
CategoryIgnitions and Electrical

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy