Flame Arrestors for Mercruiser Stern Drives
Complete Your Purchase
Replace a damaged or corroded flame arrestor
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 to a point of supplying them with OEM parts. Boaters and techs can be assured a Sierra part will fit right the first time and restore function.
Flame arrestors are one of the most vulnerable parts of the engine; they are a magnet for boater’s feet as they step into an engine room. They are also more susceptible to corrosion due to heat cycling. Sierra offers a wide selection of flame arrestors to restore appearance and function. Sized for many MerCruiser sterndrive applications, see below for a parts cross reference or visit our engine parts selector to find the right part for your engine or carburetor.
Key Features
- Engineered to meet or exceed OEM specifications
- Available to fit 2 and 4 barrel carburetors with or without vent tubes
- Backed by SeaStar Solutions Two-Year Limited Warranty
The Sierra Engine Parts Selector
In addition to primer valve kits, 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.
| Manufacturer | 18-7232 | 18-7234 | 18-7230 | 18-7228 | 18-7229 | 18-7231 |
|---|---|---|---|---|---|---|
| Additional information | two 1 1/4" vent tubes | no vent tubes | Carburators with 5" throat diameter | For 2 barrel Rochester and MerCarb, GM 4 cyl, V-6 and V-8 (305 and 350 CID) engines, MCM 3.7L and Ford 888 and 233 | 4 barrel Rochester and Weber carbs, MCM 3.7L , GM V-6 and V-8 (305, 327, 350,427,454 CID engines | two 1 1/4" vents |
| Crusader | 33628 | — | — | — | — | 97595, 97214 |
| Chrysler Inboard | — | — | 4142886 | — | — | — |
| Mallory | 9-31109 | 9-31101 | — | 9-31100 | — | 9-31108 |
| Mercruiser Stern Drive | 57882T, 57882 | 805016A1 | 41639, 41639A-1, 805298A1, 57882T, 57882T1, 57882, 85785A2, 85785, 47833, 79565, 85785T1, 85785T | 85784A1, 805016A1, 70574, 85784 | 85785T, 85785-2, 805298A1 | 85785A2 |
| OMC Stern Drive | — | — | — | — | 981566, 986865, 3854026 | — |
| Volvo Penta | — | — | — |
— | 3854026 | — |
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