Class8TruckParts.com is your one-stop shop for filters for your Volvo Transmission. Volvo recommends changing the transmission fluid and filters in your truck every 500,000 miles or 60 months for regional and long haul. For heavy-haul Volvo recommends changing the I-Shift Transmission fluid and filter every 250,000 miles or 36 months. If you are unsure which Transmission filter is compatible with your Volvo Truck, please contact us with your truck serial number to ensure you order the correct parts.