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Rein Automotive heater hose connects the heater core to the water pump
06L103383B
ensure proper seating of the O-ring to prevent boost leaks
Provides improved ride comfort and handling
Fitment VW Super Beetle 1975-1980
Audi Radiator (Secondary) 4B3121251C – Behr 376765231 Diesel Rein Automotive heater hose connectsThis Behr secondary radiator (376765231) is a direct OEM replacement for the auxiliary cooling system in Audi A6 and S6 models. It provides additional cooling capacity to support the main radiator, particularly for high output V8 engines. Built to OEM specifications, it ensures reliable performance and longevity. Key Features & Benefits Direct Fit OE Replacement: Exact match to original part number 4B3121251C for easy installation. High Quality
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