Warranty
The 4Lifetime Limited Lifetime Warranty
Every 4Lifetime product is covered by our Limited Lifetime Warranty — for as long as you own it. We build our brake lines, fittings, and tools to outlast the vehicles they go on, and we stand behind every one of them against defects in materials and workmanship. Here's exactly what that means, in plain language.
What's covered
All 4Lifetime products are warranted against defects in materials and workmanship under normal use and proper installation, for the lifetime of the original purchaser's ownership. If a covered product ever fails because of a manufacturing defect, we'll make it right.
What “normal use” means
Installation and operation consistent with OEM specifications — using the correct line size, flare type, fittings, torque, and compatible brake fluid, and following regular inspection and maintenance. The warranty assumes no racing or competition use.
What isn't covered
- Improper installation (wrong flare type or size, cross-threading, over- or under-torquing)
- Damage from accidents, abrasion, kinks, crushing, or corrosion from incompatible chemicals or fluids
- Modifications, alterations, or racing/competition use
- Normal wear and cosmetic damage
- Labor, diagnostic, downtime, rental, transport, or other incidental or consequential costs
Our remedy
If a claim is approved, at our discretion we will repair, replace, or refund the purchase price of the defective product. A replacement may be a new or functionally equivalent item. 4Lifetime determines the shipping method for approved remedies.
Who's covered
The warranty applies to the original purchaser and is not transferable. Proof of purchase — your order confirmation or invoice — is required.
Register your warranty
Registering helps us verify your coverage quickly if you ever need support.
- Purchased on 4LifetimeLines.com? Your warranty is registered automatically — just keep your order confirmation.
- Purchased elsewhere (Amazon, eBay, a distributor, or a shop)? Register below, or email hello@4lifetimelines.com with the seller, order number, purchase date, and product/SKU.
How to file a claim
Email hello@4lifetimelines.com with your order number, a short description of the issue, and photos or video (a close-up plus an installed view). We'll help troubleshoot and, if approved, issue an RMA with return instructions.
Questions?
We're here Monday–Friday, 9:00 AM–5:00 PM ET. Email hello@4lifetimelines.com or call 1 (855) 928-4024.