4.3 Exhaust Kits

Sierra Exhaust Manifold and Riser Kit for MerCruiser V6 4.3 Liter 2x Manifold 18-1952-1 Replaces:  • Osco: 9745 • GLM: 51220 • MerCruiser: 99746A17 • Barr marine: 1-99746 2x Riser Elbow 18-1976-2...

OEM MerCruiser 4.3 V6 Exhaust Kit For MerCruiser 4.3 engines with center riser exhaust and 4 inch risersApprox 1986-2002 with some exceptions Includes: • 2x MerCruiser manifold part number - 99746A17 (Replaces 99745, 99745-c...

OEM MerCruiser 4.3 V6 Exhaust Kit For MerCruiser 4.3 engines with DRY JOINT center riser exhaust and 14 degree 4 inch risers (if you are not sure of the angle of your risers, please call us with your serial number) 2002+ with some...

This kit is designed to replace the original one-piece manifolds (807293A2, 807294A3, 807293C, 807294C) that came on 1996 and up MerCruiser 4.3L V6 engines with serial number Of803800 and UP Comes with instructions!Includes ALL OEM MerCruiser parts!...

OEM MerCruiser 4.3 V6 Exhaust Kit For MerCruiser 4.3 engines with DRY JOINT center riser exhaust and 7 degree 4 inch risers (if you are not sure of the angle of your risers, please call us with your serial number) 2002+ with some...

CONVERSION KIT 864293a02 Includes: • 2x upper rubber tube (elbow to intermediate elbow) - 32-44358001 • 2x lower rubber tube (for original Y pipe) 32-807458T • 2x lower rubber tube (for New style Y...

This kit is designed to replace the original one-piece manifolds (807293A2, 807294A3, 807293C, 807294C) that came on1996 and up MerCruiser 4.3L V6 engines with serial number Of803800 and UP Includes: • 2x Sierra manifold part number - 99746A17...