For dependable operation and peace of mind, trust the INA Serpentine Belt from ECS Tuning, a smart choice for preventative maintenance and long-term reliability in your BMW.
Keep your BMW’s air conditioning system running at peak efficiency with this dependable.
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Reduce rotating mass and lower weight to free-up hidden horsepower.
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Brand:
ES#:
5444721
Mfg#:
PP.S65.V8.A
In Stock
ON SALE!
SAVE 30%
$295.00
This product was last offered at the strikethrough price on 05-02-2026
This complete kit adapts a clutched alternator pulley to your factory alternator, drastically extending the lifespan of your belt, tensioner, and harmonic balancer.
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Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.
Lifetime Replacement
