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Description
MerCruiser 4Cyl Exhaust Manifold Gasket Set by Sierra
For GM 153 & 181 (2.5 & 3.0L) CID Engines; 120 & 140 HP - S/N 6229718 & UP (With Siamese Port Cylinder Heads)
Interchangeable with:
- Barr
- MC47-27-99777A1
- GLM
- 39320
- Mallory
- 9-61406
- MerCruiser Stern Drive
- 27-99777A1
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