Exhaust Elbow Mixing Elbow Stainless Steel Yanmar 128370-13550 For: 3GM30, 3GM30B, 3GM30C, 3GM30VE 3HM35 Not suitable for indirect cooled engines!! This is not an original Yanmar product (AFTERMARKET). Will last (more than 10 years) longer than your cast iron exhaust elbow.