Also referred to as the 'relay roller'
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Also referred to as the 'relay roller'
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A protective dust cap that covers the bolt of the idler pulley
Install new hardware with your new parts. M8x22
2X Entries Into Our F80 M3 Sweepstakes
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This product was last offered at the strikethrough price on
08-31-2026
Install new hardware with your new parts. M8x35
Secures the accessory belt roller to the engine
m10x85
Helps track the belt properly.
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This product was last offered at the strikethrough price on
09-03-2026
Belt Tensioner Assembly
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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
08-31-2026
Helps track the belt properly.
Also referred to as the 'relay roller'
Up to the 2012 model year
Tighten sloppy belts or remedy your constantly breaking belt problem.
Engine codes BFM & BGK
The solution to a noisy, failing pulley
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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.
Replacement idler pulley to cure front-end squeaks, eliminate belt wobbling, and keep the serpentine belt safely on track in your VAG 4.2L V8 engine.
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