I changed my gas regulator 7 years ago. Link as follows:
https://ck5354.blogspot.com/2017/11/golden-fuji-regulator-gas-oh.html
I think is enough time to change a new one.
Bought Milux L.P.G Low Pressure Gas Regulator M-198F With Safety Value & Pressure Gauge
RM 26.80
Milux L.P.G Low Pressure Gas Regulator M-198F With Safety Value & Pressure Gauge | Shopee Malaysia
7 years ago I bought RM 28.