Bilstein B8 5100 Front Shock Absorber (2-2.5 in. Lift) for Chevy Silverado HD 2500/3500 (1999-2010) & GMC Sierra HD 2500/3500 (1999-2010)
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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.
About the brand
Bilstein is the German suspension company that put the first monotube gas-pressure shock on a production car in 1957. For trucks and SUVs, its B8 5100, 6112, 5160 and 8100/8112 lines are a go-to for lifted and leveled rigs, and the B6 4600 and B4 lines cover trucks at factory height.
Based in: Ennepetal, Germany (founded 1873, part of thyssenkrupp) · Lead time: In-stock parts typically ship in 24-48 hours; some items are special order
Shop all 667 BilsteinWarrantyAll brands
Warranty terms are set by Bilstein, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.
Bilstein B8 5100 Front Shock Absorber (2-2.5 in. Lift) for Chevy Silverado HD 2500/3500 (1999-2010) & GMC Sierra HD 2500/3500 (1999-2010)
A Bilstein B8 5100 46mm monotube front shock for the Chevy Silverado 2500HD/3500HD (1999-2010) and GMC Sierra 2500HD/3500HD (1999-2010), including the 2001-2006 1500 HD. It is valved for 2-2.5 in. of front lift from a torsion key adjustment.
| Spec | Detail |
|---|---|
| Series | B8 5100 |
| Fitment | Chevy Silverado 2500HD/3500HD 1999-2010 (including 1500 HD 2001-2006), GMC Sierra 2500HD/3500HD 1999-2010 (including 1500 HD 2001-2006) |
| Position | Front |
| Lift height | 2-2.5 in. front (with torsion key lift) |
| Body | 46mm monotube, smooth body (non-coilover) |
| Mounts | Lower eye 14.1mm, upper stem |
| Length | 11.30 in. collapsed |
| Boot | Black bellows boot included |
| Finish | Zinc plated |
Valved for trucks with a torsion key lift giving 2-2.5 in. of front lift. Early trucks must not have the ZX3 electronic suspension package or Quadrasteer. The same part number also covers the Avalanche 2500 and Suburban 2500, which this store does not list. 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.
What vehicles does this fit?
Chevy Silverado 2500HD/3500HD 1999-2010 and GMC Sierra 2500HD/3500HD 1999-2010, plus the 2001-2006 Silverado/Sierra 1500 HD, with a torsion key lift.
What warranty does it carry?
Bilstein warranties its products to the original purchaser against defects; most 5100, 6112, 4600, B6 and B4 products carry a limited lifetime warranty, while 5160, 8100, 8112 and B3 carry 2 years.
Do I need to buy it as a pair?
This listing is for a single shock, so order one for each position you are replacing.
What lift height is it made for?
It is specified for 2-2.5 in. of front lift from a torsion key lift.
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Specifications
Bilstein B8 5100 Front Shock Absorber (2-2.5 in. Lift) for Chevy Silverado HD 2500/3500 (1999-2010) & GMC Sierra HD 2500/3500 (1999-2010) FAQs
What vehicles does this fit?
Chevy Silverado 2500HD/3500HD 1999-2010 and GMC Sierra 2500HD/3500HD 1999-2010, plus the 2001-2006 Silverado/Sierra 1500 HD, with a torsion key lift.
What warranty does it carry?
Bilstein warranties its products to the original purchaser against defects; most 5100, 6112, 4600, B6 and B4 products carry a limited lifetime warranty, while 5160, 8100, 8112 and B3 carry 2 years.
Do I need to buy it as a pair?
This listing is for a single shock, so order one for each position you are replacing.
What lift height is it made for?
It is specified for 2-2.5 in. of front lift from a torsion key lift.
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