Home / Lawn & Garden / Parts / Oil Seal 791-181720 Oil Seal 791-181720Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 791-181720 Brand: MTD Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$9.99Haiouus 791-181807 Throttle Lever, for MTD 791-180975, 791-181556, ... Description Oil Seal