This kit allows you to replace all 4 of your glow plugs and relay to the newer style (7 seconds) glow plugs. It includes a new relay and four glow plugs.
Glow Plug Relay for Diesel Vanagon 82-84 (quick) 7 second
Glow Plug Relay for Diesel Vanagon 82-84 (slow)
Glow Plug (quick) 7 second
Block Heater Kit for Diesel Vanagon