103-3427 Muffler Kit Part Details: All Known Replacement/Substituted Part Numbers for 103-34271032761, 103-2761 Models That Use Part Number 103-3427 ExmarkLazer Z HP (Serial Numbers 370, 000-439, 999) LHP4417KA, LHP4420KC, LHP4820KC, LHP4821KA, LHP5220KC, LHP5223KA Lazer Z HP (Serial Numbers 440, 000-509, 999) LHP4417KA, LHP4420KC, LHP4820KC, LHP4821KA, LHP5223KA, LHP5223KC Lazer Z HP (Serial Numbers 600, 000-669, 999) LHP19KA465, LHP20KC505, LHP23KA505, LHP23KA565, LHP27KC505, LHP27KC565 Lazer Z HP (Serial Numbers 670, 000 And Up) LHP19KA465, LHP20KC505, LHP23KA505, LHP23KA565, LHP27KC505, LHP27KC565 Lazer Z HP (Serial Numbers 720, 000 And Up) LHP19KA465, LHP23KA465, LHP23KA505, LHP23KA565, LHP27KC505, LHP27KC565 Lazer Z HP Early (Serial Numbers 510, 000-539, 999) LHP4419KA, LHP4819KA, LHP4820KC, LHP4923KA, LHP5220KC, LHP5223KA Lazer Z HP Late (Serial Numbers 540, 000-599, 999) LHP4419KA, LHP4819KA, LHP4820KC, LHP4823KA, LHP5220KC, LHP5223KA
