the included O-ring is critical for creating a proper seal between the thermostat housing and the engine
Refill the lower unit with the correct gear lubricant before starting the engine
maintain plane at lower speeds
Install the new water intake pipe
1 x Insert Cup (161571)
Serpentine Belt Tensioner – Fits Volvo Penta 3.0L-8.2L (Replaces Volvo Penta 3860079, 872984) 121HP the included O-ring is criticalProduct Details This aftermarket Serpentine Belt Tensioner is designed for a broad range of Volvo Penta marine engines from 1989 to the present, including 3. 0L, 4. 3L, 5. 0L, 5. 7L, 7. 4L, and 8. 2L GL, GLM, GSi, GXi, and OSi series. It ensures the serpentine belt maintains the correct tension for optimal accessory drive performance. This component is a direct interchange for Volvo Penta part numbers 3860079 and 872984, offering a reliable fit and