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including R/MR/Alpha One models from 1983–1990 (serial number 6225577 & up)
Common symptoms include squealing noises from the engine bay (especially during startups or sharp turns)
Includes the necessary O-ring/gasket for a complete installation
This product is covered by a 1-year warranty against any manufacturing defects under normal operating conditions
Place a rag or container under the old fuel pump to catch any spilled fuel
Carburetor – Fits Mercury Mariner 10HP 15HP 20HP 4-stroke (Replaces 853720T14, 853720T15, 853720T19, 853720T21, 8M0109535) 135-300HP including R/MR/Alpha One models fromProduct Details This Carburetor Fits Mercury Mariner 10HP 15HP 20HP 4 stroke is designed for Mercury Mariner outboard engines rated 15HP20HP with 4 stroke, 2 cylinder configuration. Engineered to deliver reliable fuel metering for remote control models with serial numbers 0R235168 through 0R833819 (carburetor serial 0R686020 and below). Direct replacement for OEM part numbers 853720T14, 853720T15, 853720T19, 853720T21, and 8M0109535. Complete
