Oil Cooler replacement for OE 0501221862. ZF Intarder oil cooler / heat exchanger for heavy-duty trucks. OEM number 0501221922. Compatible with ZF models 0501221862, 0501219783, and Mercedes-Benz 0078305661. Stainless steel construction, pressure tested before shipping. SUMEC part BN-8222, fits ZF. Verified OE fitment — request a fast quote.