The 54416748 by Ingersoll Rand is the front beltguard assembly used on the SS5L5 air compressor. The front portion does not include slots for the crankshaft and motor pulley. This section is technically furthest away from the pump and motor.
Part #: 20100277
Part #: 20100285
Part #: 23474661
Part #: 95099453
Part #: 97339246
Part #: 54416730