
Specifications
- Brand
- Bilstein
- Part #
- 25-284584
- UPC
- 651860844534
- Package Length
- 40.5 in
- Package Width
- 11.8 in
- Package Height
- 6.8 in
- Package Weight
- 20.1 lb

Bilstein B8 8100 (Bypass) 2003-2020 Toyota 4Runner Rear Left Monotube Shock Absorber
$1219.99
Fits 2003-2023 Toyota 4Runner. Bilstein B8 8100 bypass shock absorber for precise damping control and improved off-road performance.
Key Features
- Fits 2003-2023 Toyota 4Runner, 2003-2009 Lexus GX470, and 2010-2023 Lexus GX460.
- Dual tube external bypass design offers position-sensitive damping with independent adjustment for rebound and compression.
- Incremental flow adjusters allow for finite and incremental changes in damping force for precise adjustments.
- Utilizes a 60mm large bore hard anodized aluminum piston for a greater range of damping control and long-term durability.
- Motorsports inspired design for enhanced off-road performance and ride comfort.
- Includes a bolt-on aluminum anodized chassis mount for the remote reservoir for easy installation.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
- Lexus GX460 2010-2023
- Lexus GX470 2003-2009
- Toyota 4Runner 2003-2023
Product Details
If you're looking to get the most out of your Toyota 4Runner, especially when venturing off the beaten path, the Bilstein B8 8100 (Bypass) rear left shock absorber is a serious upgrade. This isn't just a standard replacement; it's a position-sensitive damper designed to give you fine-tuned control over your ride, whether you're crawling over rocks or hitting desert trails. It's built to handle the demands of off-road driving, offering a significant improvement in how your 4Runner handles rough terrain.
What sets this shock apart is its dual-tube external bypass design. This means it has separate pathways for oil flow, allowing for independent adjustment of both rebound and compression damping. You can make very precise, incremental changes using the 'Incremental Flow' adjusters to dial in the perfect feel for any situation. The large 60mm hard-anodized aluminum piston helps manage heat and offers a wider range of damping control, ensuring consistent performance even during extended use. Plus, the remote reservoir exits from the bottom with a bolt-on chassis mount, giving you extra compression control and making installation straightforward.
This shock absorber is designed as a direct fit for your 2003-2023 Toyota 4Runner, and also fits the Lexus GX470 (2003-2009) and GX460 (2010-2023). It's a well-built component aimed at maximizing your driving experience with improved ride comfort and exceptional control when you need it most, especially during hard impacts.
Specifications
- Brand
- Bilstein
- Manufacturer Part #
- 25-284584
- UPC
- 651860844534
- Package Length
- 40.5 in
- Package Width
- 11.8 in
- Package Height
- 6.8 in
- Package Weight
- 20.1 lb
Frequently Asked Questions
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Bilstein B8 8100 (Bypass) 2003-2020 Toyota 4Runner Rear Left Monotube Shock Absorber
