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Auxiliary Fan Switch (B5.5)
Auxiliary Fan Switch (B5.5)
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Wurth saBesto HHS-K Lubricant
Wurth saBesto HHS-K Lubricant
Bosio PowerPlus 520 Injector Nozzles (set of 4)
$289.52 $249.20
OE Part Number: pp520
Manufacturer's Part Number: pp520

Powerplus 520 nozzles are a significant upgrade in fueling for ALH TDIs. They are nominally the same size as .205s, but flow more fuel because of superior tip design. This set of 4 nozzles will work well in a stock TDI, providing about a 15 HP and 25 ft./lb. power increase. They will also work in chip tuned cars, although they may tend to smoke with a stock turbo and a chip. If you're not upgrading your turbo the Sprint 520s may be a better option on a manual-transmission TDI, and the PP357s may work better on an automatic. These fit non-PD engined TDIs. They include injector seals.

Genuine Bosio product, direct from Italy. .205 hole size.

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11 This product fits the following vehicles 11
  • Golf TDI MkIV (A4 chassis) w/ ALH engine (1999-2003)
  • Jetta TDI MkIII (A3 chassis) w/ AHU engine (1997-1999)
  • Jetta TDI MkIV (A4 chassis) w/ ALH engine (1999-2003)
  • New Beetle TDI (A4 chassis) w/ ALH engine (1998-2003)
  • Passat TDI (B4 chassis) w/ AHU/1Z engine (1996-1997)
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