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Bilstein B8 8100 reservoir shock absorbers are a large bore 2.65-in OD direct fit solution for lifted trucks and SUVs. Constructed from aerospace quality billet components, the large 2.65-in OD shock body offers a higher oil volume capacity to control heat while tackling rough road surfaces over long distances. Each B8 8100 offers a unique remote or piggyback reservoir solution for an easy, hassle free installation. These shock absorbers feature a monotube design for consistent fade free performance and utilize velocity sensitive digressive valve settings which are tuned for each specific application. The large 60mm piston design offers more comfort and control in all driving conditions. The Bilstein B8 8100 will allow you to tame the terrain in comfort.
| Part Number | 25-294118 |
| Brand | Bilstein |
| Series | B8 8100 |
| Position | Rear Left |
| Collapsed Length (in) | 15.63 |
| Extended Length (in) | 25.12 |
| Lower Mount Type | Eye 12.4mm |
| Upper Mount Type | Stem |
| UPC | 00651860888569 |
| Piston Diameter | 60mm |
| Reservoir | Yes |
| Body Diameter (od) | 2.65 in. |
| Shaft Diameter | 18mm |
| Finish | EVO Grey |
| Quantity per Vehicle | 1 |
| Sold As | Sold individually (priced per shock) |
Fitment is from Bilstein's official application list (cart.bilsteinus.com, checked Nov 9, 2026). Double-check your vehicle, trim, drivetrain, position and lift height before ordering. Questions? Email info@ventureoverlandcompany.com.
What vehicles does it fit?
2007-2021 Toyota Tundra (Base, SR, SR5, Limited, Platinum, 1794 Edition, TRD Pro, Nightshade, Trail as listed by Bilstein) - Rear Left - Fits vehicles with 0-1.5in rear lift; requires wheels with a maximum of 6in backspacing.
How many do I need?
Bilstein lists a quantity of 1 per vehicle. Sold individually (priced per shock).
What warranty does it have?
Backed by Bilstein's Limited Lifetime Warranty.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Why Choose Venture Overland Company: 30-day return policy. Shipping options and eligibility are shown at checkout.
Gear Up for Adventure
At Venture Overland Company, our motto is simple: Find Your Way. Whether you're hitting the backroads for a weekend escape or building the ultimate overland rig for months on the trail, we're here to help you get there. Every part we carry is chosen to give you the reliability, performance, and confidence to go farther and explore more. Load up, point the wheels off the pavement, and find your way—your adventure starts here.
Empowering Your Journey
At Venture Overland Company, we provide a carefully curated selection of top-tier brands and expert guidance to help you enhance your vehicle’s performance. Our community-driven approach ensures every product integrates seamlessly into your adventures, whether upgrading your Jeep, Toyota, or Ford. With our focus on quality, versatility, and outstanding service, we’re more than a store—we’re your partner in every off-road experience.
Quick answers about returns, shipping, warranty and support for orders from Venture Overland Company.
