The expansion was mainly on account of higher exports of electrical and electronic (E&E) products and petroleum products, collectively contributing 54.8% to total manufactured exports.
Exports rose 18.9% in October from a year earlier, the Ministry of International Trade and Industry said Wednesday, nearly in line with the 19.0% median forecast of nine economists polled earlier by The Wall Street Journal.
The data for October marks the 11th straight month of double-digit growth in exports for Southeast Asia's third-largest economy.
For the first ten months, Malaysia's total trade surged 21.5 percent year-on-year to 1.465 trillion ringgit, with exports and imports rose 21.1 percent and 21.9 percent respectively.
The trade surplus rose to MYR 10.6 billion in October from MYR 9.9 billion in the corresponding month a year ago.
Exports grew 18.9 percent year-over-year in October, faster than the 17.3 percent growth economists had forecast. The central bank, which left the key benchmark interest rate unchanged at 3.00% in November, is scheduled to hold its next meeting in January.
Imports, meanwhile, were up 20.9% to 71.85 billion ringgit in October from 59.44 billion ringgit a year earlier, largely driven by intermediate and consumption goods.
Exports to the USA grew 13.8% from a year earlier in October, underpinned by an expansion in exports of manufactured and agriculture goods.
Exports to China, which remained Malaysia's number one trading partner, rose 20.5% from a year earlier, while exports to Malaysia's second trading partner Singapore, grew by 16.1%.
He also believes Malaysia is able to achieve the upper range of the gross domestic product official projection of 5.2 to 5.7 percent in 2017, as the strong exports growth will cushion the slowdown in domestic demand.
The trade surplus expanded to 10.56 billion ringgit ($2.6 billion) in October, the highest value since April 2016, from MYR8.6 billion in September.