Wiring Specialties

PRO Series SR20DET to S13 240SX Wiring Harness

$799.00

SKU: S13SR-PRO

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Wiring Specialties PRO Series harness is engineered to provide a superior wiring solution for SR20DET engine swaps into the S13 240SX. Built from the ground up, it surpasses OEM specifications in wire quality, power delivery, and ground routing for optimal performance. This harness offers extensive customization options to tailor it to your specific setup. You can select various ECU connectors, intake manifold and throttle body configurations, and knock sensor types. Additional options include choices for injectors, air fuel metering, coolant temperature sensor connectors, oxygen sensors, coil packs, and transmission configurations. You can also specify the project car's chassis year and original transmission setup, and add options for AC wiring, fan controllers, ECU patch harnesses, and a grounding kit. Constructed in the USA, this harness comes with a startup guarantee.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandWiring Specialties
Part NumberS13SR-PRO
CategoryIgnitions and Electrical

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Returns & Fitment

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.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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