HomeSuspension > Shocks and StrutsBilstein 25-329926 Suspension Shock Absorber - Rear
Part #: 25-329926

Bilstein 25-329926 Suspension Shock Absorber - Rear

B8 5160, Rear
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦B8 5160, Rear
🚗Fitment: Jeep, Wrangler
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Bilstein B8 5160 Shock Absorber for Jeep Wrangler

The Bilstein B8 5160 suspension shock absorber, part number 25-329926, is engineered for Jeep Wrangler owners seeking reliable and consistent damping performance. Designed specifically for light trucks, this monotube shock absorber features a smooth body and a remote reservoir to enhance heat dissipation and maintain ride quality under demanding conditions.

Key Features of Bilstein 25-329926 Shock Absorber

  • Non-adjustable damping for consistent performance
  • Billet reservoir clamp included for secure mounting
  • Smooth body design (non-coilover) for durability
  • Monotube internal design with 46mm piston diameter
  • Remote reservoir included to improve heat management
  • Zinc plated finish for corrosion resistance
  • Eye-type upper and lower mounts (12.8mm)
  • Collapsed length: 18.72 inches (475.5 mm)
  • Extended length: 31.86 inches (809.2 mm)
  • Stroke/travel length: 13.14 inches (333.8 mm)

About the Bilstein B8 5160 Product Line

The B8 5160 series from Bilstein is designed for light trucks and off-road vehicles requiring enhanced suspension travel and improved heat dissipation. Featuring a monotube design with a remote reservoir, the B8 5160 shocks provide consistent damping performance during extended off-road use or heavy-duty applications. This product line is well-suited for Jeep Wrangler models that demand durability and reliable suspension response.

Detailed Product Description

This Bilstein shock absorber (part number 25-329926) is built with a monotube internal design that uses a 46mm piston to deliver precise damping control. The inclusion of a remote reservoir helps reduce shock fade by increasing oil capacity and improving heat dissipation. The smooth body design without coilover compatibility ensures a robust structure suitable for rugged use. Both upper and lower mounts are eye-type with a 12.8mm diameter, providing secure attachment points. The zinc plated finish offers protection against corrosion, extending the service life of the shock absorber.

Common Applications and Issues Addressed

  • Improves ride stability and control on Jeep Wrangler off-road trails
  • Reduces shock fade during extended heavy-duty or off-road driving
  • Enhances suspension travel for better articulation and comfort
  • Replaces worn or leaking factory shocks to restore handling
  • Provides consistent damping without the need for manual adjustment

Installation Notes and Tips

Ensure compatibility with Jeep Wrangler models before installation. The shock absorber features eye-type mounts that require 12.8mm mounting hardware. Since this is a non-adjustable shock, no damping adjustments are necessary. Verify collapsed and extended lengths to confirm fitment within your vehicle’s suspension travel range. Professional installation is recommended to ensure proper torque specifications and alignment.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet strict quality standards, utilizing durable materials and precision engineering. The zinc plated finish provides corrosion resistance for extended durability. While specific warranty details are not provided here, Bilstein typically offers limited warranties on their suspension components. Consult the manufacturer or authorized distributor for exact warranty terms related to part number 25-329926.

BrandBilstein
Part Number25-329926
PositionB8 5160, Rear
Adjustable DampingNon-adjustable
Billet Reservoir Clamp IncludedYes
Body DesignSmooth body (non-coilover)
Boot IncludedNo
Collapsed Length (IN)18.72
Collapsed Length (MM)475.5
Extended Length (IN)31.86
Extended Length (MM)809.2
FinishZinc plated
Internal DesignMonotube
Lower Mount TypeEye 12.8mm
PartTypeShocks / struts
Piston Diameter46mm
ReservoirYes
SegmentLight truck
SeriesB8 5160
Shaft Diameter14mm
Spring Seat IncludedNo
Stroke/Travel Length (IN)13.14
Stroke/Travel Length (mm)333.8
TitleBilstein shock absorbers
Upper Mount TypeEye 12.8mm

This part fits 9 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2026JeepWranglerWillysRearRequires appropriate bump stop extensions; B8 5160
2025JeepWranglerWillysRearRequires appropriate bump stop extensions; B8 5160
2024JeepWranglerWillysRearRequires appropriate bump stop extensions; B8 5160
2023JeepWranglerWillysRearRequires appropriate bump stop extensions; B8 5160
2022JeepWranglerWillysRearRequires appropriate bump stop extensions; B8 5160
2021JeepWranglerWillysRearRequires appropriate bump stop extensions; B8 5160
2020JeepWranglerUnlimited SportRearRequires appropriate bump stop extensions; B8 5160
2019JeepWranglerUnlimited SportRearRequires appropriate bump stop extensions; B8 5160
2018JeepWranglerUnlimited SportRearRequires appropriate bump stop extensions; B8 5160

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11-02-31-400-20025-287547985-24-186

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.