Ignitions and Electrical› Wiring Harnesses

AMP EFI

MS3Pro AMPSEAL Connectors Plug and Pin Kit

$89.99

SKU: MS3Pro-AMPSEALS

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The AMP EFI MS3Pro AMPSEAL Connectors are a plug and pin kit designed for creating custom MS3Pro wiring setups. This kit includes multiple connectors and a substantial quantity of terminals to facilitate your wiring needs.
Show original supplier description
Planning to build your own Engine Control Unit (ECU) harness? The AMP EFI MS3Pro AMPSEAL Connectors provide a comprehensive solution for custom wiring projects. This kit is specifically designed for users who need to create a tailored wiring setup for their MS3Pro system. The kit includes three AMPSEAL connectors in white, black, and gray, along with 100 AMPSEAL terminals. This generous quantity of terminals ensures you have ample supply for your initial setup, potential mistakes, or future modifications. The primary benefit of this kit is the full customization it allows for your harness layout and wire routing, enabling a clean and efficient installation. These connectors are compatible with several high-performance MS3Pro ECUs, including the MS3Pro EVO+, MS3Pro EVO+ HC, and MS3Pro Ultimate. This ensures seamless integration with advanced engine management systems. The kit is ideal for those seeking to move beyond pre-made harnesses and gain complete control over their vehicle's wiring configuration.

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

BrandAMP EFI
Part NumberMS3Pro-AMPSEALS
CategoryIgnitions and Electrical
5,000+ Trusted brands
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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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