Caterpillar 346386 Belleville Washer Heavy Duty Grade is a Caterpillar part identified by the number 346386 and classified as a Belleville washer in a heavy-duty grade. This listing names the exact part from Caterpillar’s hardware catalog. The part number 346386 ensures precise replacement for Caterpillar equipment or any assembly that specifies a Belleville‐style washer from Caterpillar.
