1.9L ALH

The 1.9L ALH engine is Volkswagen’s legendary 1.9L TDI diesel platform, widely regarded as one of the most reliable and tunable engines in the TDI lineup. Found in late 1990s to early 2000s VW Golf, Jetta, and New Beetle models, the ALH engine is known for its mechanical simplicity, strong longevity, and excellent fuel economy.