Performance · Engine Performance
Brand: Bosch
Manufacturer: Robert Bosch LLC
Interchange #: DOR233513, RAY422881
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The Bosch Underdrive Pulley Kit is manufactured by Robert Bosch LLC and engineered to meet or exceed original equipment manufacturer (OEM) specifications for the engine performance category.
Cross-referenced under OEM number BSH-178197 and interchange numbers DOR233513, RAY422881. Confirmed compatible with 4 vehicle configurations — see the Vehicle Fitment tab for the full compatibility table.