Will this fuel filter fit my 1980 Vanagon, and what kind of fuel system does it work with?

Yes, this square-shaped fuel filter is designed for fuel-injected engines and is a perfect replacement for 1975-1985 Type 2 Buses and Vanagons, including your 1980 model. It works with various models like the Campmobile and Westfalia, whether they have automatic or manual transmissions.

My 1983 Vanagon seems to have two fuel filters. Do I need this specific filter, and what's its purpose?

Some 1983 and 1984 models, along with the entire 1975-1985 range, use two fuel filters. This particular filter is a quality aftermarket part, small and square, intended for fuel-injected engines. It's often needed when upgrading your fuel system or replacing fuel lines to ensure clean fuel flow.

I'm doing a tune-up on my Vanagon. Is this a good quality replacement filter, and will it make a difference in performance?

This fuel filter is from a Quality Aftermarket manufacturer and is frequently mentioned by customers for its great fit and performance. Many reviews state it helps the vehicle 'run just right,' making it an excellent choice for a tune-up or any fuel system maintenance to ensure optimal engine performance.

What is the part number for this Vanagon fuel filter, and is it compatible with a 1977 Bus?

The part number for this filter is 133-133-511. It is fully compatible with your 1977 Type 2 Bus, as well as other models from 1975 through 1985. This filter is specifically designed for the fuel-injected engines found in these vehicles.