Isolate harmonics before they can destroy your engine
For use only with OBD1 engine management systems.
Isolate harmonics before they can destroy your engine
For use only with OBD1 engine management systems.
Used to cover the securing bolt
Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
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Drives the air conditioning compressor
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This product was last offered at the strikethrough price on
06-17-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Valeo alternator only
This product was last offered at the strikethrough price on
06-13-2026
Located behind the fan blade, fan clutch bolts to this pulley
2X Entries Into Our F80 M3 Sweepstakes
Drives accessories; located at the end of the crankshaft
For vehicles with a production date up to 09/1998
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
09-02-2026
Used to secure the idler pulley
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
09-02-2026
Worn hardware should be replaced before it fails
Secures the top of the hydraulic alternator belt tensioner assembly to the bracket
Worn hardware should be replaced before it fails
Secures the lower portion of the hydraulic alternator belt tensioner to the assembly
Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner
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This product was last offered at the strikethrough price on
07-29-2026
Update from a mechanical tensioner to a hydraulic style tensioner
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
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
09-02-2026
Replacement is recommend with every belt service
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
09-02-2026
For removal and installation of harmonic balancers on most automotive and light truck applications.
Driven by serpentine accessory belt
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
09-02-2026