PART NUMBERS:
• 0307828 / 307828 (J/E) • 0310433 / 310433 (J/E)
• 31-67445 / 3167445 (Mercury)
• 31-819193 / 31819193 (Mercury) • 88903T (Mercury/Force)
SPECIFICATIONS:
• Component: Center Main Bearing (Outer Race)
• Engine: 2/3/4-Cyl 2-Stroke Looper / Cross Flow
• Horsepower: 25-140 HP
• Brand: Johnson/Evinrude, Chrysler/Force, Mercury, Mariner
APPLICATIONS:
• J/E: 2-Cyl Looper 35-60 HP, 3-Cyl Looper 50-75 HP, 4-Cyl XFlow 85-140 HP (1972-2005)
• Chrysler/Force: 3-Cyl 70-90 HP, 4-Cyl 120 HP, Sport Jet (1979-1999)
• Mercury: 3-Cyl 60 HP Looper (1991-1997)
• Mariner: Compatible by part number
PRODUCT DETAILS:
Direct replacement center main bearing outer race compatible with Johnson/Evinrude, Chrysler/Force, Mercury, and Mariner outboard engines from 25 through 140 HP in 2-stroke configurations from 1972 through 2005. This bearing crosses multiple part numbers including OMC 0310433 for Johnson/Evinrude applications and Mercury 31-67445, 31-819193, and 88903T for Mercury, Chrysler/Force, and Mariner applications. The wide cross-brand compatibility makes this a valuable bearing for marine mechanics servicing multiple outboard brands from this era. Fits both looper and cross flow engine designs across 2-cylinder, 3-cylinder, and 4-cylinder configurations from multiple manufacturers. The center main bearing outer race provides critical crankshaft support and proper bearing condition is essential for engine reliability. Manufactured to match specifications for reliable performance across all compatible outboard brands. Always confirm your model and part number before purchasing to verify fitment.
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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