Parts Hotline says: YES compatible!
http://www.partshotlines.com/component/phl/search/
2005 VIBE Transmission 80k automatic transmission, (1.8L, vehicle identification number 8, 8th digit), (FWD, opt MU4) 80 A K1121 CALL MI
2005 MATRIX Transmission automatic transmission, (1.8L, vehicle identification number 8, 8th digit), (FWD, opt MU4) 173 B P241B CALL MI
2007 MATRIX Transmission 63k automatic transmission, (1.8L, vehicle identification number 8, 8th digit), (FWD, opt MU4) 63 A K0573 CALL MI
2005 VIBE Transmission automatic transmission, (1.8L, vehicle identification number 8, 8th digit), (FWD, opt MU4) 188 B P252C CALL MI
2006 VIBE Transmission automatic transmission, (1.8L, vehicle identification number 8, 8th digit), (FWD, opt MU4) 118 B H9863 CALL MI
2006 MATRIX Transmission 94K automatic transmission, (1.8L, vehicle identification number 8, 8th digit), (FWD, opt MU4) 94 A P107C CALL MI