Engine Coolant Thermostat & Seal 1122030275 Merce C240 C280 C320 CL500 E320 E430

Engine Coolant Thermostat & Seal for Mercedes-Benz

This engine coolant thermostat and seal assembly, referencing OEM part number 1122030275, regulates coolant flow to keep select Mercedes-Benz engines at proper operating temperature.

Overview

This engine coolant thermostat and seal kit references OEM part 1122030275 and is intended for select Mercedes-Benz models. The thermostat controls coolant circulation so the engine reaches and holds its correct operating temperature. A solid choice for replacing a stuck or failed thermostat during cooling system service.

Built For Performance

• Includes thermostat and matching seal
• References OEM part number 1122030275
• Regulates coolant flow for stable engine temperature
• Helps restore proper warm-up and cooling behavior
• Direct-fit replacement for the original thermostat location

Fits These Machines

• for Mercedes-Benz C240
• for Mercedes-Benz C280
• for Mercedes-Benz C320
• for Mercedes-Benz CL500
• for Mercedes-Benz E320
• for Mercedes-Benz E430

On-The-Job Use

• Replacing an overheating or stuck-open thermostat
• Cooling system maintenance and repair
• Restoring proper engine warm-up on a daily driver

Specs At A Glance

Good To Know

Q: Is the seal included with the thermostat? A: Yes, this listing pairs the thermostat with a matching seal so you have the parts needed for the job. Q: Should I confirm fitment by model year? A: Yes, thermostat fitment can vary by engine and model year, so verify against your vehicle before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.