Losi Differential Gear & Shaft Set: 8B, 8T, 8X, 8XE LOSA3502 is compatible with LOS04000, LOS04001, LOS04003, LOSA0801, LOSA0802, LOSA0804, LOSA0805, LOSA0806, LOSB0081, LOSB0083, LOSB0084, LOSB0085, LOSK0800, LOSK0804EU, TLR04000, TLR04001, TLR04002, TLR04003, TLR04004, TLR04005, TLR04006, TLR04007, TLR04008, TLR04010, TLR0804, TLR0805