Universal Parts GY6 Crankcase Oil Seal 27*42*7 $1.99 Quantity discounts available QuantityPrice SKU: 164-155 Restock: Limited Supply This item is IN STOCKCurrent Stock: 130 Quantity -+ Add to Cart Details Specs Inner Diameter: 27mm Outer Diameter: 42mm Thickness: 7mm Supported Models GY6 QMI/QMJ 152/157, Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Left Crankcase Seal size 27*42*7 for 150cc and 125cc GY6 4-stroke engines. Can also be found in the transmission. Back Inner Diameter: 27mmOuter Diameter: 42mmThickness: 7mm Back GY6 QMI/QMJ 152/157, Various unlisted makes/models