Timing Belt Tensioner Kit – Fits Volvo Penta OHC AQ120-AQ151 (Replaces 271713, 463633) 185HP 7LX L4 1988–1989 27-18272 MerCruiser

7LX L4 1988–1989 27-18272 MerCruiser 470 L4 1983–1984 27-18272 MerCruiser 485 L4 1980–1982 27-18272 Supersedes 27-97863 MerCruiser 488 L4 1983–1984 27-18272 Supersedes 27-97863

every 100-300 hours) as recommended in your engine's service manual

or have missing vanes

Double-check your engine model and original part number (128377-42500 or 128397-42500) to ensure compatibility

and minimizes emissions

Timing Belt Tensioner Kit – Fits Volvo Penta OHC AQ120-AQ151 (Replaces 271713, 463633) 185HP 7LX L4 1988–1989 27-18272 MerCruiserProduct Details This aftermarket Timing Belt Tensioner Kit is engineered for Volvo Penta OHC 4 cylinder gasoline engines (110146 HP) manufactured between 1966 and 1993, including models in the AQ120 to AQ151 series. It ensures proper timing belt tension, which is critical for engine performance and longevity. The kit serves as a direct replacement for multiple Volvo Penta part numbers, including 271713, 463377, 463633, and others, providing a reliable