Understanding Manufacturer Warranties on Shocks and Struts

Many shocks, struts, and suspension components sold at Shockwarehouse come with a manufacturer's warranty — often described as a "limited lifetime warranty." But what does that actually mean in practice? Understanding how these warranties work can help set realistic expectations and avoid frustration if you ever need to make a claim.

How Manufacturer Warranties Work

When you purchase shocks or struts from Shockwarehouse, the warranty on those parts is provided by the manufacturer — not by Shockwarehouse. Brands like Bilstein, Fox, KYB, Monroe, Rancho, and Koni each set their own warranty terms, and each brand makes the final decision on whether a warranty claim is approved.

Shockwarehouse facilitates the warranty process between you and the manufacturer. We submit claims on your behalf, communicate with the manufacturer's warranty department, and coordinate replacements when a claim is approved. However, the ultimate decision to approve or deny a claim rests with the manufacturer.

What Is Covered

Manufacturer warranties on shocks and struts cover defects in materials and workmanship. This includes:

• Premature seal failure causing oil leaks within a short period after installation
• Manufacturing defects such as bent shafts, faulty valving, or broken welds that were present from the factory
• Internal component failure that occurs well before the expected service life of the product

If a shock or strut fails due to a genuine manufacturing defect, the manufacturer will typically provide a replacement part at no charge.

What Is NOT Covered

This is where many customers are surprised. Manufacturer warranties do not cover normal wear and tear. Shocks and struts are wear items — like brake pads or tires — and they gradually lose performance over time. This is normal and expected.

The following are typically not covered:

• Gradual performance loss over years of driving — this is wear, not a defect
• All shocks failing at the same time — if every shock on your vehicle needs replacement simultaneously, that is almost always a sign of normal wear rather than a manufacturing defect
• Damage from an accident, misuse, or improper installation
• Cosmetic issues like surface rust or minor oil film that does not affect performance
• Parts installed on a vehicle they were not designed for
• Modifications made to the shock or strut after purchase

What "Limited Lifetime Warranty" Really Means

A "limited lifetime warranty" sounds comprehensive, but the word "limited" is key. It means the warranty covers the product for its expected useful life against manufacturing defects — not that the product is guaranteed to last forever.

Here's what that looks like in practice:

• Early failure (within 1–3 years): If a shock or strut fails relatively soon after installation, manufacturers are generally responsive to warranty claims, especially with clear evidence of a defect like sudden oil leakage or a visibly broken component.
• Moderate age (3–7 years): Claims may still be approved, but the manufacturer will look more closely at mileage, usage conditions, and whether the failure pattern suggests a defect or normal wear.
• Older products (7–10+ years): After many years of service, most manufacturers will consider a shock failure to be the result of normal wear and tear — because it very likely is. Shocks that have performed for a decade have done their job, and replacement at that point is routine maintenance, not a warranty issue.

How to Tell If Your Issue Is a Defect or Normal Wear

Understanding the difference can save you time:

Signs of a possible defect:

• A shock starts leaking heavily within months of installation
• A noticeable clunk, knock, or binding that wasn't present at installation and occurs on only one corner
• One shock fails dramatically while the others on the vehicle are still performing well

Signs of normal wear:

• Gradual ride degradation over several years — more bouncing, less control
• All four shocks or both front struts feel soft or worn at the same time
• Slight oil misting on the shock body after years of use (this is not the same as active leaking)
• High mileage on the vehicle since installation (75,000+ miles)

Tips for a Smooth Warranty Claim

If you believe you have a defective product, here's how to make the process as smooth as possible:

1. Keep your order number. Your Shockwarehouse order number (starts with "S") is required for all warranty claims.
2. Document the issue with photos. Clear photos of the defect — leaking, damage, broken components — from multiple angles.
3. Have your vehicle details ready. Year, make, model, VIN, mileage at installation, and current mileage.
4. Submit your claim through our website. Use the Warranty Submission form on Shockwarehouse.com to get the process started.
5. Be patient. Warranty claims require communication between Shockwarehouse and the manufacturer. Most claims are resolved within 1–2 weeks, but complex cases may take longer.

What Happens After You File a Claim

Once you submit a warranty claim, here's the typical process:

1. Our customer service team reviews your submission and contacts the manufacturer.
2. The manufacturer evaluates the claim based on the information and photos provided.
3. If approved, we coordinate the return of the defective part and shipment of the replacement.
4. If denied, we'll explain the manufacturer's reasoning. You still have the option to purchase replacement parts at that point.

The Bottom Line

Manufacturer warranties are a valuable safety net for genuine defects, and Shockwarehouse is here to help you through the process. Just keep in mind that shocks and struts are wear items with a finite service life. A warranty is not a guarantee of permanent performance — it's protection against products that don't perform as designed from the start.

If you have questions about a warranty claim or aren't sure whether your issue qualifies, reach out to our customer service team at customerservice@shockwarehouse.com or call us at 1-800-245-7469. We're happy to help you figure out the best next step.