P778979
– AUTOMOTIVE MECHANICAL SPARE PART; COMPONENT: PRIMARY AIR FILTER; OUTER DIAMETER 115.9 MM (4.56 INCHES) INTERIOR DIAMETER 65.3 MM (2. 57 INCHES) LENGTH 227.1 MM (8.94 INCHES); MANUFACTURER 1: BALDWIN; PART NUMBER 1: RS3990; MODEL 1: PRIMARY; MANUFACTURER 2: DONALDSON; PART NUMBER 2: P778979; MODEL 2: PRIMARY