2.6 Oil level sight glasses, Plugs

	GN 743 GN 743.1 Oil level sight glasses Aluminum / Genuine glass		GN 744 Oil level sight glasses Aluminum / Plastic		GN 537 Oil level sight glasses Aluminum / Perspex
	GN 541.1 Oil level sight glasses Plastic crystal-clear		GN 749 Plugs Steel		GN 741 GN 742 Plugs Aluminum
	GN 738 GN 738.1 Plugs Aluminum		GN 543.1 Fixing nuts for Oil level sight glasses Brass