OEM Mercury MerCruiser Cooling System Check Valve Assembly 21-864206-A1

OEM Mercury MerCruiser cooling system check valve assembly, Part Number 21-864206-A1. This one-way coolant check valve is used in select MerCruiser marine engine cooling systems to help regulate coolant and water flow through the system.

Assembly includes the genuine OEM check valve, both formed hoses, and hose clamps exactly as shown. A solid replacement option for a leaking, damaged, or missing factory check valve assembly.

Highlights:

• OEM Mercury Marine / MerCruiser
• Cooling System Check Valve Assembly
• Part Number 21-864206-A1
• Genuine OEM Check Valve
• Includes Both Formed Hoses
• Hose Clamps Included
• One-Way Flow Design
• Complete Assembly as Shown
• Marine Engine Application
• Sold Exactly as Pictured

Condition:

• Good used condition
• Normal cosmetic wear consistent with marine use
• Valve housing is intact with no visible cracks or damage
• Hoses remain pliable and appear intact
• Normal surface wear and staining present
• Internal operation has not been independently tested
• Please review all photos carefully for exact condition and included components

Specifications:

Brand: Mercury Marine / MerCruiser

Type: Cooling System Check Valve Assembly

Part Number: 21-864206-A1

Valve Type: One-Way Check Valve

Included Components: Check Valve, Formed Hoses & Hose Clamps

Application: Select MerCruiser Marine Engine Cooling Systems

Material: Rubber Hoses / Molded Valve Housing

Condition: Used

Additional Notes: Buyer should verify compatibility using the engine serial number and OEM part number before purchase.

Dealer Sale – Sunset Marine TX LLC

SKU: 10623