Will this fit my vehicle?

Name: FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness
Brand: FAST
SKU: 301104
Price: 501.95 USD
Availability: InStock

The manufacturer lists this part for Dodge, Chrysler, Ram, Jeep from 2003–2018. Confirm your exact model, year and engine before ordering — a listed make can cover variants this part does not suit.

FAST

FAST Chrysler 5.7L/6.1L Hemi XFI Main Harness

Part No.: 301104

$501.95

4 interest-free payments or as low as $—/mo with Affirm. See if you qualify

In Stock

in stock

Compatibility

Vehicle-specific fitment: Review application details below
Need help?: Confirm fitment with us before ordering — (714) 202-7886

We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.

Install quoted on request. We fit parts in-house in Huntington Beach, but we do not publish a labor figure for this item — we would rather quote your car than guess. Call (714) 202-7886 or pick Install at HRC and add your vehicle details, and we will come back with the labor.

Quantity:

Warranty & track disclaimer — read before you race it.
Shipping & returns — rates and RMA terms.
Installed in-house in Huntington Beach, CA — labor & service policy.
Affirm and PayPal available at checkout.

More ways to pay at checkout

FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and various optional accessories. The Main Harness also handles communication between the ECU and ignition devices. Main harnesses are available in TPI, LT-1, LS-1 through 9 (including truck/suv designs), Modern Hemi, Carburetor Conversions and even Rear-Engine Dragsters and Boats. FAST also offers Main Harnesses that come terminated on the sensor side but non-terminated on the ECU side to allow for a truely custom fit. All terminals, seals.

XFI Main Harness designed.

Fits Dodge, Chrysler, Ram, Jeep 2003–2018 — Charger, Durango, 300, Ram 2500, 2500, Commander, 3500, Grand Cherokee, Ram 3500, Ram 1500, Challenger, 1500, 4000, Magnum.Fitment summary from the manufacturer’s ACES data — confirm your exact year, model and engine before ordering.

Part No.	301104
Brand	FAST

Commonly Needed With This

Parts builders usually buy alongside this one — gaskets, seals and hardware for the install. These are suggestions, not a verified fit: call (714) 202-7886 to confirm before ordering.