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The Gates Micro-V V‑ribbed belt for 1984–1987 Peterbilt 349 with Cummins L10 diesel is a standard fan belt sized for that vintage application. This V‑ribbed replacement restores accessory drive function for the specified Peterbilt/Cummins configuration and fits the factory pulley routing used on those model years.
Gates 84-87 Peterbilt 349 Cummins L10 Diesel Fan Standard V-Ribbed Belt
