This is the bottom intercooler hose for Volvo and Renault trucks, connecting the intercooler to the engine's air intake system. It is constructed from reinforced rubber to withstand high temperatures and pressures, ensuring a tight seal unlike a cracked or collapsed hose. Operators may notice a loss of engine power, increased exhaust smoke, or a whistling sound from the engine bay if this hose fails.
Always verify with serial number before ordering.
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Alternate part numbers that interchange with Volvo 21312237
Fitment: Volvo Trucks: FH: 1994> FM: 1999> Renault Trucks: Premium
Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A noticeable decrease in engine performance and acceleration is often the first sign. If ignored, the engine may begin to run rough, consume more fuel, and produce excessive black smoke. Continued operation with a leaking hose can lead to turbocharger damage and significantly reduced engine efficiency.
Ensure the connection surfaces on the intercooler and engine intake manifold are clean and free of debris before installation. Do not overtighten the hose clamps, as this can damage the hose or the connection points.
Inspect the intercooler and turbocharger for oil leaks or damage when replacing this hose.