Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner
We Price Match - Give Us A Call or Chat!
Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner
We Price Match - Give Us A Call or Chat!
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises
10X Entries Into Our F80 M3 Sweepstakes
Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3 | For vehicles with production date up to 04/2008
For vehicles with production date up to 05/2008 & a closckwise rotating Power Steering pump
This product was last offered at the strikethrough price on
06-13-2026
This is the main belt tensioner for A/C, Alternator, and power steering.
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
08-26-2026
Includes belts
For vehicles with production date 2007-5/2008
For vehicles with production date 2007-5/2008
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
09-03-2026
Hydraulic tensioner for water pump belt - does not include relay lever assembly
2X Entries Into Our F80 M3 Sweepstakes
Protect your drive belt and engine!
2X Entries Into Our F80 M3 Sweepstakes
Complete tensioner assembly
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
09-03-2026
This product was last offered at the strikethrough price on
05-07-2026
Utilizes OEM components
The lowest of the idler pulleys on the accessory drive 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
09-03-2026
M6x14
Reduce rotating mass and lower weight to free-up hidden horsepower.
Reduce rotating mass and lower weight to free-up hidden horsepower.
The higher 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
03-25-2026
Does not include any securing hardware
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
09-03-2026
Attaches to tensioner in order to maintain contact with drive 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
09-03-2026