Replacement Snowblower Paddle Kit Simplicity 1686705SM 1686705Replacement Snowblower Paddle Kit Simplicity 1686705SM 1686705. DESCRIPTION Aftermarket Replacement Snowblower Paddle Kit Simplicity 1686705SM 1686705 Replaces Part Number(s): 5654. Reliable Aftermarket Parts, your trusted source for a wide range of replacement parts catering to various outdoor equipment. We specialize in providing top-quality replacement parts for Lawn and.