The KYB Gas-a-Just Rear Suspension Shock Absorber, part number 555055, is engineered to restore and elevate the driving experience for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500. This high-pressure monotube shock absorber is crafted for durability and precision, offering drivers superior responsiveness and consistent control. Designed specifically for vehicles tasked with heavy-duty towing and hauling, it seamlessly blends comfort and performance. The Gas-a-Just features two separate working chambers for a distinguished ride quality: an air-free hydraulic piston and a high-pressure nitrogen gas area to ensure a smooth and responsive driving experience. By preventing fluid foaming, this absorber reduces fade during demanding conditions, maintaining optimal safety and handling.Whether you're a DIY enthusiast or professional mechanic, the KYB Gas-a-Just shock absorber installation is straightforward, bringing back your vehicle's original capabilities. If you're experiencing signs like poor steering response or a bumpy ride, it may be time to replace your shock absorbers. Furthermore, enjoy peace of mind knowing this shock absorber helps maintain your vehicle's electronic safety systems in top condition. For complete rejuvenation of your suspension system, consider complementing these shocks with new coil springs or a steering stabilizer.

• OE monotube design for enhanced vehicle handling
• Responsive two-chamber technology improves control
• High-pressure nitrogen gas for immediate damping
• Triple chrome plated piston rod for durability
• Optimized for vehicles with larger tires and towing
• Improves steering response and ride comfort
• Maintains electronic safety system performance

B-stop:	N
Compressed Length:	15.86
Dust Cover Included:	Y
Extended Length:	24.68
Internal Rebound Spring:	N
Lower Mount Type:	E2(14.6x42)
R-stop:	Y
Stroke Length:	9.02
Upper Mount Type:	E2(14.6x42)
Dimensions:	22.800 x 2.500 x 2.500 in.

• Chevrolet: 20955413
• GMC: 20955404
• GMC: 15926836
• Chevrolet: 20955404
• GMC: 25870986
• Chevrolet: 25871024
• GMC: 15130478
• Chevrolet: 15926836
• GMC: 20955415
• Monroe Shocks & Struts: 911533
• GMC: 15926834
• Gabriel: G63959
• Chevrolet: 25870986
• GMC: 20955413
• GMC: 25871024
• Chevrolet: 15130478
• Chevrolet: 15926834
• Chevrolet: 15130480
• Chevrolet: 20955415
• GMC: 15130480

• 2007 Chevrolet Silverado 1500 | Position: Rear | Note: Recommended OEM Replacement;(Except Electronic Suspension)
• 2019-2021 Chevrolet Silverado 1500 | Position: Rear | Note: Monotube Performance Upgrade
• 2019 GMC Sierra 1500 Limited | Position: Rear | Note: Recommended OEM Replacement;Except Electronic Suspension
• 2007-2018 GMC Sierra 1500 | Position: Rear | Note: Recommended OEM Replacement;(Exc. Electronic Susp.)
• 2007-2013 GMC Sierra 1500 | Position: Rear | Note: Recommended OEM Replacement;(Exc. Electronic Suspension)
• 2008-2018 Chevrolet Silverado 1500 | Position: Rear | Note: Recommended OEM Replacement;(Exc. Electronic Susp.)
• 2019-2021 Chevrolet Silverado 1500 | Position: Rear | Note: Monotube Performance Upgrade;w/ Off Road Suspension
• 2019 Chevrolet Silverado 1500 LD | Position: Rear | Note: Recommended OEM Replacement;Except Electronic Suspension