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Ignitions and Electrical› Charging Systems

Tuff Stuff

140-Amp V-Groove Hybrid Alternator

Name: 140-Amp V-Groove Hybrid Alternator
Brand: Tuff Stuff
SKU: 7078NKB
Price: 263.09 USD
Availability: InStock

$263.09

SKU: 7078NKB

Special Order

Ships in 4–6 weeks

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$100 Minimum Order

30 Days Return

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Moderate — 2–4 hours

Overview

The Tuff Stuff 7078NKB is a 140-amp hybrid alternator designed to meet or exceed OEM specifications. It features a V-groove pulley and an OEM wire type with a black finish.

Constructed with 100% new components, this alternator includes heavy-duty copper wound coils and spike-resistant diodes.

Show original supplier description

The Tuff Stuff 7078NKB alternator is a 140-amp hybrid unit built with 100% new components to meet or exceed original equipment specifications. It features a black finish, a V-groove pulley, and OEM-style wiring for a direct fit. This design ensures consistent charging performance, even at low engine RPMs, making it a robust replacement for your vehicle's charging system. Tuff Stuff hand-builds their alternators in Cleveland, Ohio, and tests each unit thoroughly. This alternator comes with a one-year limited warranty. Fitment is extensive, covering various Ford Bronco, Bronco II, E-150, E-250, E-350, F-150, F-250, F-350, and Ranger models from 1984 to 1989, as well as select LTD, Mustang, Capri, Cougar, and Marquis models from 1984 to 1986. Specific engine and submodel compatibility is detailed in the fitment information.

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

Brand	Tuff Stuff
Part Number	7078NKB
Category	Ignitions 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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