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2018 Ford F-150 Alternator
The alternator charges the battery and powers the electrical system while the engine runs in your 2018 Ford F-150.
Compare alternator for your F-150 in the appSigns it may need replacing
- A battery or charging warning light
- Dim or flickering lights
- A battery that keeps going flat, or a whining noise
At a glance
| Part | Alternator Electrical & Charging › Alternator & Charging |
|---|---|
| Typical life | Often 100,000 to 150,000 miles. |
| DIY difficulty | Intermediate Disconnect the battery first. Access varies a lot between engines. |
Lifespans and difficulty are general. They vary with the engine, trim, driving and climate, and your owner's manual and a qualified mechanic should have the final say.
Before you buy
Have the battery and alternator tested before buying; a bad battery is often mistaken for a bad alternator. Remanufactured units are common.
Confirm the part fits your exact 2018 Ford F-150 by checking your VIN, engine size and trim with the seller. The F-150 was sold with different options across the 2018 model year, and a part that fits one build may not fit another.
Where to buy a 2018 Ford F-150 alternator
These searches are set up for your vehicle and the part.
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