EMP 57-57513 Elbow, Exhaust Center Riser V6 &V8 Replaces MerCruiser: 44354A3, 807988A03, BARR Marine: MC-20-43354, GLM: 51140, HGE: HGE 4354, Quality Mark: T-20976, Sierra: 18-1976-2 and fits Engineered Marine Products (EMP) is the aftermarket leader in delivering superior parts and accessories to the marine industry for over 40 years. EMP is a premier supplier to Original Equipment Manufacturers for both production and replacement service parts. EMP has earned a loyal following by providing the highest quality products for a wide variety of engine brands. No other aftermarket company is more committed to the level of quality, performance, protection, and all EMP Parts are backed with a 2-Year limited warranty.