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KYB KG4161 Shock Absorber - Rear
| Brand | KYB KG4161 |
|---|---|
| Position | Rear |
| Compressed Length | 12.63 |
| Dust Cover Included | Y |
| Extended Length | 19.45 |
| Lower Mount Type | E1 |
| R-stop | Y |
| Stroke Length | 6.82 |
| Upper Mount Type | E1 |
| Product line | Gas-a-just |
| Fits | Toyota · 3 vehicles |
Monotube design. Separates gas and oil for fade-free operation and instant response.
More damping performance. Delivers up to 25% more damping than original equipment shocks.
Chrome piston rod. Triple chrome plating helps reduce seal wear and fluid leakage.
Cross-references Gabriel G63869, Monroe Shocks & Struts 37112 and Toyota 4853180694 for the same application. See all 3.
KYB Gas-a-Just Rear Shock for Tacoma
The KYB Gas-a-just KG4161 is a monotube suspension shock absorber built for 2003-2004 Toyota Tacoma rear applications. It uses separate gas and oil chambers for quick response, consistent damping, and reduced fade during demanding driving.
- Monotube shock design with air-free hydraulic control area
- High-pressure nitrogen gas chamber for immediate damping response
- Up to 25% more damping performance over original equipment shocks
- Triple chrome plated piston rod helps reduce seal wear and fluid leakage
- Designed specifically for Toyota Tacoma rear fitment
- Dust cover included
- Lower mount type: E1; upper mount type: E1
Gas-a-Just Product Line Details
KYB Gas-a-just shocks are engineered for vehicles that work harder than a standard commuter setup. The monotube layout separates gas and oil to maintain consistent control, while the higher gas pressure improves steering response and helps the shock react quickly when load, towing, or larger wheels and tires increase suspension demand. For Toyota Tacoma owners, KG4161 provides a direct rear shock solution focused on control and ride stability.
Fitment and Application
Fits 2003-2004 Toyota Tacoma, rear. This part cross-references Monroe Shocks & Struts (e.g., 37112) for the same application.
Common Problems This Shock Absorber Addresses
- Excessive rear bounce after bumps or dips
- Reduced damping control from worn OE shocks
- Shock fade during repeated suspension movement
- Fluid leakage related to seal wear
- Loose rear-end feel when towing or carrying heavier loads
Installation Notes and Tips
Verify rear fitment before installation and compare the compressed length, extended length, and mount style to the original shock. The KG4161 uses E1 upper and lower mounts, so matching the existing hardware layout is important for proper installation. After replacement, inspect the rear suspension for worn bushings, damaged mounts, or uneven tire wear that could affect ride quality.
Quality Assurance
KYB designs Gas-a-just shocks with a monotube construction that separates gas and oil for fade-resistant operation and consistent damping. The ultra-smooth triple chrome plated piston rod is used to help reduce seal wear and support long-term performance in rear suspension service.
| Year | Make | Model | Submodel | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | Base | Standard Cab Pickup | RWD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 2003 | Toyota | Tacoma | Base | Standard Cab Pickup | RWD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
| 2003 | Toyota | Tacoma | DLX | Standard Cab Pickup | RWD | Rear | Install a monotube shock absorber to enhance performance.; Gas-a-just |
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