Bilstein B6 4600 Front Shock Absorber for Ford F-250/F-350 Super Duty (1986-1998)
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Warranty Information
Vendor warranty summary
Bilstein Warranty
At a glance: Limited lifetime on most 5100, 6112, 6100, 5112, 4600, B6, B4 and B8 Control Arm products; 2 years on 5160, 5162, 8100, 8112, B3 and B1 Air; 90 days on motorsport lines
This is Bilstein's warranty, not an NVMOS policy. We've summarized it in plain English to save you a search. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: October 21, 2026.
Coverage by product line
| Bilstein series | Coverage |
|---|---|
| B8 5100 (incl. ride height adjustable, lift and leveling kits, steering dampers), B8 5112, B8 6100, B8 6112, B8 Control Arms, B8 TerraSport, B8 Performance Plus, B6 and B6 4600, B4 OE Replacement | Limited lifetime, for as long as you own the product |
| B8 5160, B8 5162, B8 8100 (all variants), B8 8112, B3 OE Replacement, B1 OE Replacement (Air) | 2 years from purchase |
| B14, B16 and EVO coilover kits | 5 years from purchase |
| Motorsport and specialty lines (B8 5125, 5165, 8125, Black Hawk Powersports, Drag, M 9200 and similar) | 90 days |
- Coverage is for the original purchaser and isn't transferable. The product must be bought from a Bilstein distributor or retailer in North America, and proof of purchase is required.
What's covered
- Products free from defects in design, material and workmanship for the term above
- Applies to the original purchaser with proof of purchase
What's not covered
- Improper installation
- Racing, competition or off-road use, as Bilstein's off-road warranty page words it
- Modified use, or use on vehicles Bilstein doesn't recommend
- Commercial vehicles
- Bent or broken rods showing abuse or abnormal wear
- Surface finish, boots, mounting hardware and rubber bushings
- Labor charges
- Aftermarket modifications such as springs or top hats
How to make a Bilstein warranty claim
- Start with the place you bought the shocks (that's us, if you bought from NVMOS)
- If the original seller can't help, email Bilstein's warranty team to confirm the part is warrantable and get a Warranty Evaluation Form. Don't send shocks in without contacting them first
- Ship the shocks, proof of purchase and the completed form using the label on the form, with tracking and signature. Don't ship with loaded springs, and if a shock is leaking, bag it rather than cleaning it
- Bilstein's quality and warranty teams evaluate the part and contact you with the result
Bilstein contact: Warranty hotline: 1 (800) 370-9522 · Email: warranty@bilsteinus.com · Warranty page
Bought it from NVMOS? Start with us.
Bilstein routes warranty claims through the original place of purchase first, so contact us before anything else. Have your order number and a few photos of the issue ready, then call real humans at (920) 249-7744 or send us a message. We'll start the claim with Bilstein for you.
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Disclaimer: The information on this page describes Bilstein's own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Sources: Bilstein warranty promise and Bilstein off-road warranty procedures. Last updated on nvmos.com: October 21, 2026. See our return policy for NVMOS's own terms.
Bilstein B6 4600 Front Shock Absorber for Ford F-250/F-350 Super Duty (1986-1998)
A front B6 4600 shock for older Ford Super Duty trucks. It is a monotube with eye mounts at both ends and a blue bellows boot.
| Spec | Detail |
|---|---|
| Fitment | Ford Super Duty 1986-1998 (F-250 1987-1998, F-350 1986) |
| Series | B6 4600 |
| Position | Front |
| Upper mount | Eye 12.1 mm |
| Lower mount | Eye 12.1 mm |
| Finish | Yellow paint |
| Boot | Blue bellows |
Light-duty F-250s that share the F-150 body are excluded, and the notes list 8-lug wheels. Bilstein install instructions: download the PDF. Not sure it fits your build? Call real humans at (920) 249-7744 with your year, trim and setup and we will confirm it.
Will this fit my vehicle?
This part is listed for Ford Super Duty 1986-1998 (F-250 1987-1998, F-350 1986). Light-duty F-250s that share the F-150 body are excluded, and the notes list 8-lug wheels.
Which F-250s does it fit?
It is listed for F-250 1987-1998 and F-350 1986, excluding light-duty trucks that share the F-150 body.
What warranty does it carry?
Bilstein warranties its products to the original purchaser against defects, and most B6 4600 products carry a limited lifetime warranty.
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Specifications
Bilstein B6 4600 Front Shock Absorber for Ford F-250/F-350 Super Duty (1986-1998) FAQs
Will this fit my vehicle?
This part is listed for Ford Super Duty 1986-1998 (F-250 1987-1998, F-350 1986). Light-duty F-250s that share the F-150 body are excluded, and the notes list 8-lug wheels.
Which F-250s does it fit?
It is listed for F-250 1987-1998 and F-350 1986, excluding light-duty trucks that share the F-150 body.
What warranty does it carry?
Bilstein warranties its products to the original purchaser against defects, and most B6 4600 products carry a limited lifetime warranty.
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