18-1933 Manifold, Crusader Port
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Replace freeze damaged or corroded exhaust manifolds.
Constant heat cycling and prolonged exposure to salt and fresh water causes exhaust system components to corrode faster than other marine engine parts. Replacement is not that uncommon. Sierra manifolds are engineered for a quick installation. Each manifold is an exact OEM match and leak tested for quality assurance. Mating surfaces are CNC machined to provide the best possible seal without additional preparation. The castings are primed and painted to stand up to the marine environment.
For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of engine manufacturers and boat builders. Boaters and technicians can be assured a Sierra part will fit right the first time and restore function to OEM specifications. For a quick out of the box solution to damaged or corroded manifolds look no further than Sierra.
Key Features
- Meets or exceeds manufacturer specifications
- CNC machined mating surfaces for installation without additional preparation
- Manifold for Port side only (for starboard manifold use Sierra part number 18- 1929)
- Requires Sierra part number 18-0418 mounting gasket
- Backed by SeaStar Solutions Limited Two-Year Warranty
Sierra Part Number 18-1933 Application Table
| Application | OEM Part Number |
|---|---|
| Barr | CR-1-97993 |
| Crusader | 97993, 97115 |
| Mallory | 9-40402 |
| Osco | 7993 |
The Sierra Engine Parts Selector
In addition to exhaust manifolds, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.
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