aFe DFS780 Diesel Lift Pump Wiring Kit - Boost to Relay

Manufacturer part number: 42-90003

Seen it cheaper? Send us the link. If we can beat it, we will.

CODE: AFE42-90003

$71.00 Backorder — not currently in stock Sold out

BACKORDER — not currently in stock

This item is on backorder. A shipping date is not confirmed. Contact us for current lead time: 609-249-4921.

I understand this item is on backorder and its shipping date is not confirmed.

View our return policy

Buy now, pay later with Shop Pay.

Choose Shop Pay at checkout to see your available payment options.

Rates from 0-36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers: affirm.com/licenses.

Buy nowCheckout this item

Share your vehicle details now, or choose to provide them later. For multiple items or installation, use Add to cart.

Vehicle info status

Shipping and applicable taxes are calculated at checkout.

I agree with the terms and conditions.

Select a vehicle info status to continue.

Shipping and applicable taxes are calculated at checkout.

Need it by a certain date? Call 609-249-4921 before ordering. Online availability does not confirm stock at our Hamilton shop; please call ahead for pickup or installation.

Your vehicle

Select or change your vehicle here before checkout. You stay on this product while Hurrey’s keeps the fitment context.

View compatible vehicles Call the shop Ask fitment

View compatible vehicles

The relay activated wiring kit allows any DFS780 system to be operated at all times. Plug and play installation.

Installation Instructions

Supplied Preset Boost Switch Activates The Pump Only Under Load
Converts Full Time Activation To Part Time Activation
Fits DFS780/DFS780 PRO Diesel Fuel Systems
Built In The USA