1999 - 2000 - 2001 - 2002 Volkswagen Jetta GL Audio Amplifier. Part Number: 1J5035456A. Radio Not Included. 90 Day Warranty! Free Shipping ! Free Live Tech Support! This amp has been completely serviced and comes with a 90 day warranty. This listing is for a factory OEM Volkswagen Amplifier used in a Jetta & GLI between 1999 and 2002. The amplifier is in good condition as seen in the pictures. The chart above should be used as a starting point only as this unit is being sold as a replacement replacement only and will only work if your vehicle came with this exact part number. This amplifier comes complete with free shipping and is guaranteed to be in 100% working order with a 90 day warranty.