Vaico V20-1278 Engine Coolant Reservoir Hose

Engine Coolant Reservoir Hose for BMW V20-1278

The Vaico VAICO V20-1278 engine coolant reservoir hose connects the connecting pipe to the expansion tank and routes coolant in backflow service. Built to match the listed BMW 7 Series applications, it supports a clean, direct replacement for aging or damaged cooling hose routing.

Compatible with BMW 745i, 745Li, 750i, and 750Li models from 2002-2008, this hose is specified at 430 mm in length, 130 mm in width, and 50 mm in height. The VAICO product line focuses on application-specific replacement parts for European vehicles, and this hose follows that approach with fitment targeted to the reservoir-to-pipe connection.

Key Features

• Engine coolant reservoir hose for the cooling system
• Connects from the connecting pipe to the expansion tank
• Specified for backflow routing
• Length: 430 mm; width: 130 mm; height: 50 mm
• Fits BMW 745i, 745Li, 750i, and 750Li applications
• Part number V20-1278 for ordering and catalog lookup

Detailed Description

The Vaico VAICO V20-1278 is an engine coolant reservoir hose used in the radiator and cooling system circuit between the connecting pipe and the expansion tank. It is listed for BMW 745i and 745Li models from 2002-2005, as well as BMW 750i and 750Li models from 2006-2008. This part number V20-1278 is a direct reference for buyers searching for a BMW coolant reservoir hose, BMW expansion tank hose, or backflow coolant hose for the 7 Series platform.

This part cross-references Gates 24108 for the same application.

Common Repair Uses

• Replacing a cracked or hardened coolant reservoir hose
• Restoring coolant flow between the connecting pipe and expansion tank
• Addressing coolant seepage at the reservoir hose connection
• Correcting hose deterioration from heat and age in BMW cooling systems
• Replacing a damaged backflow hose on BMW 745i, 745Li, 750i, or 750Li models

Installation Notes and Tips

Verify the hose routing against the existing cooling system layout before installation. Confirm the connection points at the connecting pipe and expansion tank, and compare the dimensions and vehicle application to the original part. For best results, inspect adjacent cooling components for wear, brittleness, or residue that may indicate related service needs.

Quality Assurance

VAICO parts are cataloged for application-specific European vehicle service, and this hose is listed with direct fitment data for the BMW 7 Series models shown above. Use the part number V20-1278 to confirm the correct coolant reservoir hose for your vehicle before ordering.