Standard Efficiency Engine Air Filter - Primary Contamination is your engine’s number one enemy, which is why it’s critical to protect your Cat equipment with genuine Cat Filter Elements. Cat Standard Efficiency Primary Engine Air Filters are your best value for normal duty applications, delivering increased engine protection and preventing equipment downtime. Offering a long service life and exceptional filtration, Cat Air Filters are also environmentally friendly and cost effective. Designed to the exact specifications of your Cat equipment, genuine Cat Filters are a crucial factor in your machine’s ability to use air efficiently. A clean filter element protects internal mechanisms from being damaged by dirt. Consistently choosing Cat Air Filters is the best choice to ensure long life and optimum performance of your Cat machinery. Attributes: Quick serviceability Improved contamination control holds particulates during filter change SPECIFICATIONS Efficiency Rating: Standard Efficiency Primary vs Secondary: Secondary Seal Type: Axial Seal COMPATIBLE MODELS Engine - Generator Set 3516B G3516B C32 PM3516 3512B C27 3512C Petroleum Products C32 C27 3512E Engine - Industrial G3508 G3516 G3516B 3512E G3520B G3516J G3508J G3508B Marine Products 3516C 3512C 3512E Replaces: Perkins SEV551H/4 FG Wilson 10000-12122