M20 Intermediate Shaft Gear

The intermediate shaft gear drives the engine’s oil pump via the timing belt. Early M20 engines (1987 and older) used a stamped-steel version that can become failure-prone with age and fatigue. At BimmerHeads, we install the updated late-model OE BMW gear on every M20 engine we build in-house. Fits all BMW M20 engines Sintered construction for improved durability Brand-new replacement Replaces BMW part number 11311717398 We consider replacing the stamped-steel version a must-do during timing belt service on early M20 engines. This is the right time to address a known age-related failure point. Small enough to overlook, important enough to replace. This is the kind of M20 detail we do not compromise on.