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The Gates Micro-V V-ribbed belt for 2016 Peterbilt 389 with Paccar MX-13 engines is a heavy-duty serpentine fan belt. Listed for that Peterbilt application, it drives the fan as part of the accessory system on MX-13 diesel models. This heavy-duty V-ribbed belt is provided as the specified replacement for the stated model year and engine pairing and should be used accordingly.
Gates 2016 Peterbilt 389 Paccar MX-13 Diesel Serpentine - Fan Heavy Duty V-Ribbed Belt
