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BRIGGS & STRATTON 
 REPLACEMENT PISTON RINGS 

Part Number

Replaces 
OEM Part
Number
CYL.
DIA.
SIZE FITS MODELS Click to Check
Price
500108 391672 / 393884 / 690020 / 690017 3.030" +.030 *170400, 171400, 192400 THRU 194400, 195400, 197400 (7 AND 8.5 HP)
500074 391780 / 394665 / 394959 3.4375" STD. *220400 THRU 222400, 252400 THRU 257400, 28A700 THRU 28D700, 280700 THRU 286700, 400400, 402400 THRU 404700, 42A700-460700 (10 THRU 18 HP)
500090 391781 / 394960 / 499997 3.4475" +.010 *220400 THRU 222400, 252400 THRU 255700, 28A700 THRU 28D700, 280700 THRU 286700, 400400, 402400 THRU 404700, 42A700-460700 (10 THRU 18 HP)
500140 391782 / 394961 / 394782 3.4575" +.020 *220400 THRU 222400, 252400 THRU 257700, 28A700 THRU 28D700, 280700 THRU 286700, 400400, 402400 THRU 404700, 42A700-460700 (10 THRU 18 HP)
500116 391783 / 394961 / 394783 3.4675" +.030 *220400 THRU 222400, 252400 THRU 257700, 28A700 THRU 28D700, 280700 THRU 286700, 400400, 402400 THRU 404700, 42A700-460700 (10 THRU 18 HP)