Universal Parts 19.8 x 30 x 5 Oil Seal $2.99 Quantity discounts available QuantityPrice SKU: 151-2 This item is IN STOCKCurrent Stock: 52 Quantity -+ Add to Cart Details Specs Outer Diameter: 30mm Inner Diameter: 19.8mm Thickness: 5mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Oil Seal size 19.8x30x5 for 50cc 4-stroke QMB139 engines. Back Outer Diameter: 30mmInner Diameter: 19.8mmThickness: 5mm Back QMB139 50cc/49cc , Various unlisted makes/models