1950-1979 Pulley Shim Kit Alternator or Generator .7mm 111903131A - OEM Number(s) (111-903-131-A)
Keep your cooling system running properly by dialing in your belt tension with this 8-piece Pulley Shim Set. These .7mm thick metal shims fit between the pulley halves on Air-Cooled VW alternators and generators, giving you the ability to fine-tune belt tension for optimal performance. Excess shims store neatly between the outer pulley half and the nut, just like the factory intended.
Features
• Fits all standard VW alternator or generator pulleys
• Set of 8 metal shims for belt tension adjustment
• Each shim measures 0.7mm thick
• Outside Diameter: 44mm
• Inside Diameter: 26mm
• Compatible with Beetle (1967–1979), Super Beetle (1971–1979), Bus (1950–1971),
Ghia (1967–1974), Thing (1973–1974), and Type 3 (1962–1973)
• Also fits Dune Buggies and Sand Rails using upright VW engines
Because Details Matter
Your cooling fan depends on proper belt tension—don’t leave it to chance. These OE-style pulley shims ensure that your fan spins true and your engine stays cool. It’s a small detail that makes a big difference in reliability.
Also known under these part numbers: (For reference only)
- 111-903-131-A
- 300561
- 686420319610