SKU: BIL24-196444

B6 4600 Rear Shock - (Single)

50 in stock and ready for shipping
Confirmed fitment below
YEARS
2011-2026
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LML/6.6L Duramax L5P
Sale price
$92
Regular price
$137
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PRODUCT DETAIL

Key Features & Description

Features:

  • Designed for stock height trucks
  • Fits 2011-2026 GM Silverado/Sierra 2500HD/3500HD
  • Monotube design for fade-free performance
  • Velocity-sensitive digressive piston reacts instantly
  • Improves ride quality, comfort, and control
  • Tuned specifically for HD GM trucks
  • High-pressure gas keeps performance consistent
  • Durable yellow corrosion-resistant finish
  • Built for heavy-duty and daily driving
  • Engineered for longer shock life span
  • Enhanced stability on and off the road
  • Direct bolt-on upgrade with no modifications

Premium Rear Shock Upgrade for GM 2500HD/3500HD

If your HD Silverado or Sierra isn’t riding the way it used to, or you just want a noticeable step up in control and comfort, Bilstein’s 4600 Series rear shock is a tried-and-true upgrade that makes a real difference behind the wheel. Designed specifically for stock height trucks, the Bilstein fits right into place and delivers the kind of handling you’ll feel from the first few miles. This isn’t your average replacement shock. The 4600 Series uses a monotube design, which means better heat dissipation and more consistent damping, even when your truck’s fully loaded or towing heavy. Inside, the velocity-sensitive piston automatically adjusts to road conditions, so whether you're cruising down the highway or hitting rough backroads, it’s always working to keep the ride smooth and the tires planted.

High-Quality Construction & Simple Install

It’s not just about performance, either. Bilstein built this shock with serious longevity in mind. The high-pressure gas technology keeps the oil from foaming, which means it keeps working the way it should over time. Plus, the signature yellow finish isn’t just for looks, it’s corrosion-resistant, helping this shock stand up to the salt, slush, and road grime that trucks deal with year after year. Installation is simple since it’s designed as a direct-fit replacement, and there's no need for special tools or modifications. If you’re the type who uses your truck like a truck, whether that’s for work, towing, or just taking the family on a road trip, this rear shock from Bilstein brings the kind of control and confidence that stock parts just can’t match.

Fitment: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 GM Sierra/Silverado 2500HD/3500HD (Stock Height)

Notes:

  • Best for stock height GM trucks
  • Monotube with high gas pressure prevents fade.
  • Piston reacts fast to bumps and terrain.
  • Yellow finish helps resist rust and salt.
  • Rear travel about 16.5-25.5 inches.
  • Sold one at a time, not a pair.
  • Warranty covers factory defects only.
  • Firmer feel when towing or hauling.
  • Must match lift height for safe fit.
  • Improves comfort and control over stock.
  • Product images may be representative.

Install Instructions

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2011-2026
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LML/6.6L Duramax L5P

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