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Fits most GM based 4 and 6 cylinder marine engines (153,181,250,224,225) from MerCruiser, Chris-Craft, Indmar, Marine Power, OMC and Volvo that use the carter style pump. Fits MCM 120/2.5L, 140/3.0L, 470/485/488 & 160/165/200 (I/L 6 Cyl)
Interchangeable With:
What is the Sierra 18-7278 MerCruiser OMC Fuel Pump used for?
The Sierra 18-7278 MerCruiser OMC Fuel Pump is designed for most GM-based 4- and 6-cylinder marine engines using a Carter-style pump. It is listed for GM 153, 181, 250, 224, and 225 engines and includes a mounting gasket.
Which marine engines does the Sierra 18-7278 Fuel Pump fit?
The Sierra 18-7278 fits most GM-based 4- and 6-cylinder marine engines from MerCruiser, Chris-Craft, Indmar, Marine Power, OMC, and Volvo that use the Carter-style pump. Listed MerCruiser applications include MCM 120/2.5L, 140/3.0L, 470/485/488, and 160/165/200 I/L 6-cylinder engines.
What GM engine sizes are listed for the Sierra 18-7278 Fuel Pump?
The product description lists GM 153, 181, 250, 224, and 225 applications for the Sierra 18-7278 Fuel Pump. These applications cover 4- and 6-cylinder marine engines, with fitment depending on the specific engine and Carter-style fuel pump configuration.
Does the Sierra 18-7278 Fuel Pump include a mounting gasket?
Yes. The Sierra 18-7278 Fuel Pump includes a mounting gasket. The product description also identifies a flange I.D. of M60032. A separate Fuel Pump Gasket 18-0889 is listed under products to use with this fuel pump.
What fuel filter and gasket are used with the Sierra 18-7278 Fuel Pump?
The Sierra 18-7278 Fuel Pump is listed for use with Fuel Filter 18-7860 and Fuel Pump Gasket 18-0889. The pump itself also includes a mounting gasket. Verify the components required for your specific marine engine application before installation.
What part numbers are interchangeable with the Sierra 18-7278 Fuel Pump?
The Sierra 18-7278 is listed as interchangeable with GLM 77114, Mallory 9-35419, MerCruiser Stern Drive 86234A4, 86234A05, 47585, 86234A3, 86234, 77594, and 71327, plus OMC Stern Drive 982240, 985603, 509395, and 985602.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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