


Manifold | 18-1957-2
The Sierra 18-1957-2 manifold fits MerCruiser GM 7.4L & 8.2L CID marine engines. It is ideally suited for freshwater applications and will fit either port or starboard.
Includes
- Gasket, exhaust manifold mounting | 18-0418
- Gasket, exhaust elbow | 18-0897
- Drain elbow assembly | 18-4224
Original: $378.49
-65%$378.49
$132.47Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Sierra 18-1957-2 manifold fits MerCruiser GM 7.4L & 8.2L CID marine engines. It is ideally suited for freshwater applications and will fit either port or starboard.
Includes
- Gasket, exhaust manifold mounting | 18-0418
- Gasket, exhaust elbow | 18-0897
- Drain elbow assembly | 18-4224






















