Powerhead Base Plate Gasket - High Performance AFM Material
Premium quality AFM (Aluminum Faced Material) powerhead base plate gasket engineered for 2-stroke V6 outboard motors. This gasket provides a superior seal between the powerhead and midsection, preventing cooling water from leaking into the exhaust system. Made from Victor Reinz AFM 30 material for enhanced resistance to warping under high RPMs and thermal cycles.
OEM PART NUMBERS:
27-823142 / 27-8231422 / 27-8231423
823142 / 8231421 / 8231422 / 8231423
27-78069 / 78069
27-823142A94 (Gasket Set)
AFTERMARKET PART NUMBERS:
18-0378 (Sierra)
31530 / 37620
9-60045 (Mallory)
SPECIFICATIONS:
Material: AFM 30 (Aluminum Faced Material)
Type: Powerhead Base Plate / Exhaust Plate Gasket
Quantity: 1 Per Package
Note: Each V6 requires 2 if running Race Cowl with plate
FITS V6 ENGINES:
2.0L V6: 135HP, 150HP, 175HP (1978-1990)
2.4L V6: 175HP, 200HP, 220HP, 225HP (1979-1991)
2.5L V6: 135HP, 150HP, 175HP, 200HP, 225HP (1986-2005)
Black Max, XR2, XR4, XR6, Magnum II, Magnum III
EFI and Carbureted Models
Pro Max, 260 ROS, 280, 300 Drag Race Engines
⚠️ Verify OEM part number from your original unit before ordering.