Bilstein 25-335903 Absorber
Bilstein 25-335903 Absorber
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Bilstein 25-335903
The B8 8100 (ZoneControl R DSA) reservoir shock absorber is an adjustable large bore 60 millimeter (2.65 inch Outer Diameter) direct fit solution for lifted trucks and SUVs. Click adjuster knobs allow easy and precise Dual Speed Adjustment of both low and high speed compression to tailor your ride to any surface. ZoneControl R is a revolutionary double piston technology delivering position sensitive rebound damping which eliminates harsh suspension top-out events and the need for an external limit strap. Each B8 8100 (DSA) 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 60 millimeter piston design offers more comfort and control in all driving conditions. The Bilstein B8 8100 (ZoneControl R DSA) offers unmatched levels of adjustable ride comfort and control.
Features & Benefits
- Click adjuster knobs allow easy and precise dual speed adjustment of both low and high speed compression to tailor your ride to any surface
- Direct fit for easy installation
- 60 millimeter large bore digressive piston offers a greater range of tunability and delivers exceptional comfort without sacrificing control
- Limited 2 year warranty
Specifications
| Weight | 20 lb |
| Dimensions | 32 x 14 x 6 in |
| Brand | Bilstein |
| Manufacturer Part Number | 25-335903 |
| UPC | 651860949123 |
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| Gloves | Perform Tool | W89006 | Gloves |
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| Gloves | Perform Tool | W89005 | Gloves |
Frequently Asked Questions
What stands out about this auto part?
Key details include direct fit for easy installation. Review the full feature list and specifications on this page for complete details.
How much does this product weigh?
This item weighs approximately 20 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

