Tracks the supercharger belt properly
Audi S4 Idler Pulley Belts & Parts
M8x80
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-06-2026
Also referred to as the 'relay roller'
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This product was last offered at the strikethrough price on
09-03-2026
Also referred to as the 'relay roller'
Install new hardware with your new parts. M8x100x41
M6x20
Secures idler pulley mounting bracket - Two required
Also referred to as the 'relay roller'
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Direct OE-quality replacement deflection pulley to cure belt squeal, eliminate chirping bearings, and ensure your serpentine belt stays perfectly routed around your engine accessories.