The LG 4990W4A004A Oven-Range Supporter is the correct replacement for the following model numbers.
Supporter
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ACO1180AB
aco1180ab
ACO1180AB
aco1180ab
ACO1180AC
aco1180ac
ACO1180AW
aco1180aw
JMV9118AAB
jmv9118aab
JMV9118AAQ
jmv9118aaq
JMV9118AAS
jmv9118aas
JMV9118AAW
jmv9118aaw
ACO1180AB
aco1180ab
ACO1180AC
aco1180ac
ACO1180AW
aco1180aw
JMV9118AAB
jmv9118aab
JMV9118AAQ
jmv9118aaq
JMV9118AAS
jmv9118aas
JMV9118AAW