Coolant flange/T-connector A6422000656

Description

Coolant flange/T-connector by MERCEDES, catalog number A6422000656. Confirmed catalog fitment: Mercedes-Benz C-Class S203 (2001–2007), Mercedes-Benz C-Class S204 (2007–2014), Mercedes-Benz C-Class W203 (2000–2007), Mercedes-Benz C-Class W204 (2007–2014), Mercedes-Benz CLK A209 (2003+) and other body variants. For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

COOLANT FLANGE / COOLING SYSTEM T-JOINT

A coolant flange or cooling system T-joint is a connector within the engine cooling circuit designed to distribute coolant flow between different hoses. It ensures leak-free connection and stable coolant circulation.

The component may be manufactured from heat-resistant plastic or metal. Depending on vehicle design, it may include mounting points for temperature sensors, sealing rings, or quick-connect fittings.

Failure symptoms include coolant leaks, antifreeze odor, dropping coolant level, or engine overheating.

Our catalog includes coolant flanges and T-connectors for many vehicle brands. Genuine cooling system components, reliable aftermarket replacements, and tested used units without cracks or deformation are available.

Used parts are inspected for housing integrity, sealing surface condition, absence of micro-cracks, and fitting wear.

Selection is based on VIN number, engine type, hose diameter, and part number. Replacing a damaged coolant flange restores system sealing and proper engine temperature control.

Compatibility

Fits 51 vehicles

Nothing found

Which car this part came from

Photos, VIN and details of the donor car.

Mercedes-Benz E-Class (W211) 2002
Mercedes-Benz E-Class (W211) 2002 Being dismantled
VIN
WDB2110221A854915
Make
Mercedes-Benz
Model
E-Class
Body
W211
Body type
sedan
Year
2002
Engine
3 L · diesel · OM642
Gearbox
automatic
Drive
rear-wheel
Colour
silver
Mileage
325 000 km
All parts from this car (186)

About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information

Coolant flange/T-connector by MERCEDES, catalog number A6422000656, is listed for vehicle repair or maintenance. The catalog identifies the item as “Coolant flange/T-connector”. Confirmed catalog fitment: Mercedes-Benz C-Class S203 (2001–2007), Mercedes-Benz C-Class S204 (2007–2014), Mercedes-Benz C-Class W203 (2000–2007), Mercedes-Benz C-Class W204 (2007–2014), Mercedes-Benz CLK A209 (2003+), Mercedes-Benz CLK C209 (2002–2009) and other body variants. Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number A6422000656 and manufacturer MERCEDES. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN.

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