4042082 Rear Shock Absorber | Hyundai Sonata Kia Optima 2011-2015 Twin-Tube Gas

Rear Shock Absorber – PART NO. 4042082

Rear shock absorber for Hyundai Sonata (2011–2014) and Kia Optima (2011–2015).
Part No: 4042082
OEM: 344655 / 55311‑2T120 / 55311‑2T220 / 55311‑2T223 / 55311‑2T250 / 55311‑3Q010 / 55311‑3Q110 / 55311‑3Q610 / 55311‑3Q710 / 55311‑4C120 / 55311‑4C220 / 55311‑4C320 / 55311‑4R010
Type: Twin‑Tube Gas Pressure
Direct replacement rear axle damper.

🔧 Rear Shock Absorber – PART NO. 4042082 (Hyundai Sonata / Kia Optima 2011–2015)

Restore stable and comfortable ride quality with the
COWIN OEM‑Standard Rear Shock Absorber.
Engineered for Hyundai Sonata and Kia Optima (2011–2015), this twin‑tube gas‑pressure shock absorber effectively controls rear suspension movement, reduces body roll, and improves braking stability for mid‑size sedan applications.

✅ Key Features & Benefits

OEM Reference: Direct replacement referencing part numbers
4042082 / 344655 / 55311‑2T120 / 55311‑2T220 / 55311‑2T223 / 55311‑2T250 / 55311‑3Q010 / 55311‑3Q110 / 55311‑3Q610 / 55311‑3Q710 / 55311‑4C120 / 55311‑4C220 / 55311‑4C320 / 55311‑4R010.
Application: Specifically designed for:
- Hyundai Sonata (2011–2012)
- Hyundai Sonata Hybrid / Hybrid Limited (2013–2014)
- Kia Optima (2011–2012)
- Kia Optima EX / EX Luxury / LX / SX (2013–2015)
- Kia Optima Limited / SX Turbo (2014–2015)
- Kia Optima SXL (2013)
Fitting Position: Rear Axle.
System Type: Twin‑Tube gas pressure shock absorber.
Ride Quality: Reduces vibration, improves handling and driving comfort.
Durable Build: High‑strength piston rod and precision‑engineered seals.
Direct Replacement: Matches original mounting points and dimensions.

🚗 Vehicle Compatibility

Brand	Model	Trim	Year	Position
Hyundai	Sonata	Base	2011 – 2012	Rear Axle
Hyundai	Sonata	Hybrid / Hybrid Limited	2013 – 2014	Rear Axle
Kia	Optima	Base	2011 – 2012	Rear Axle
Kia	Optima	EX / EX Luxury / LX / SX	2013 – 2015	Rear Axle
Kia	Optima	Limited / SX Turbo	2014 – 2015	Rear Axle
Kia	Optima	SXL	2013	Rear Axle

⚙️ Technical Specifications

Part Number: 4042082
Product: Rear Shock Absorber / Strut Damper
OEM Numbers: 344655 / 55311‑2T120 / 55311‑2T220 / 55311‑2T223 / 55311‑2T250 / 55311‑3Q010 / 55311‑3Q110 / 55311‑3Q610 / 55311‑3Q710 / 55311‑4C120 / 55311‑4C220 / 55311‑4C320 / 55311‑4R010
Shock Absorber System: Twin‑Tube
Shock Absorber Type: Gas Pressure
Installation: Direct replacement
Quality: 100% Tested & Inspected

🛠️ Installation Note

Professional installation is strongly recommended.
Securely support the vehicle before removing wheels and suspension components.
Replace shock absorbers in axle pairs for balanced performance.
Use new mounting bushings and nuts where required.
After installation, perform a test drive and check for leaks or abnormal noises.

🏭 Why Choose COWIN Auto Parts?

COWIN (Gaoyun) specializes in steering and brake system components.
Every shock absorber is inspected for sealing integrity, damping performance and durability.