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Fits Masport 48" Twincut model TC122
OEM Part No: GND17
422400 horizontal (L-Head) Twin
Mulching Capable - Naturally recycles the grass by recutting it and feeding it back into your lawn
Bottom OD Height Top OD 4 3⁄8" (110mm) 2 1⁄4" (57mm) 3 1⁄4" (83mm)
Briggs & Stratton Piston Assembly 843951 Rideon MTD - 136N472F643 Fits Masport 48" Twincut modelBriggs Stratton Piston Assembly (Includes Rings) Part No. 843951 PISTON ASSY STD Supersedes 807619 & 807620 (807620 is a ring set. To replace rings on engines with 807620 you have to buy the piston and rings assembly 843951) Used on some NOT ALL 290442, 290446, 290447, 290772, 290777, 294440, 294442, 294446, 294447, 294772, 294775, 294776, 294777, 303707, 303772, 303775, 303776, 303777, 304447, 309447 Engines
