It's the number-one hesitation we hear at the shop: "I want to lift it, but I don't want to void my warranty." The real answer is more nuanced than the guy at the dealership makes it sound — and mostly in your favor.
The Short Answer
A lift kit does not "void your warranty." Nothing short of fraud voids an entire factory warranty. What a modification can do is give the manufacturer grounds to deny a specific claim — if (and only if) your modification caused that specific failure.
The Law Working For You: Magnuson-Moss
The federal Magnuson-Moss Warranty Act says a manufacturer can't deny warranty coverage just because you installed aftermarket parts. To deny a claim, they have to show your aftermarket part caused the failure. Your leveled F-150's infotainment screen dies? That's a warranty claim, lift or no lift. Blown speaker? Covered. Bad fuel pump? Covered.
Where it gets real: parts related to the modification. If you're running a 6" lift with 37s and a front wheel bearing wears out early, the dealer has a legitimate argument. Bigger tires and changed geometry do add load to bearings, ball joints, and steering components. That's not the dealer being shady — that's physics.
What This Means Practically
| Scenario | Warranty Impact |
|---|---|
| Engine, transmission, electronics, interior | Unaffected by a lift — still covered |
| Suspension parts the kit replaced | Covered by the kit maker's warranty instead (often better) |
| Wear items near the mod (bearings, ball joints, U-joints) | Gray zone — expect scrutiny on claims |
| Failure directly caused by the mod | Deniable — legitimately |
How To Keep Maximum Coverage
- Modest builds carry less risk. A 2" leveling kit with 33s barely changes factory load. A 6" lift with 37s changes it a lot. Risk scales with altitude — see our leveling vs lift guide.
- Quality kits come with real warranties. The brands we install — Rough Country, BDS, ReadyLIFT, Fox — back their parts, and BDS famously offers a No Fine Print lifetime warranty. In some cases the aftermarket coverage beats factory.
- Professional install = paper trail. A documented, torque-spec install with an alignment sheet is your best evidence if a dealer pushes back. "My buddy installed it" is how gray-zone claims get denied.
- Our labor is warrantied too. Every install we do carries a 1-year workmanship warranty — if something we did isn't right, we make it right.
Bottom Line
Millions of lifted trucks are under factory warranty right now. Build sensibly, install professionally, keep your paperwork, and the warranty boogeyman mostly disappears. Want a build specced with warranty in mind? Tell us your truck and how long you're keeping it — it genuinely changes what we recommend.
Get a free estimate → or call (936) 320-8120. Financing available — Acima runs as little as $10 to start, with a 90-day early purchase option.