This is the main belt tensioner for A/C, Alternator, and power steering.
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Brand:
ES#:
3450773
Mfg#:
11287563927
Ships in 2 Business Days
ON SALE!
$60.99
This product was last offered at the strikethrough price on 06-25-2026
...or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4365384
Mfg#:
ECSN54BPKT
Back Ordered
ON SALE!
$590.99
This product was last offered at the strikethrough price on 04-13-2026
This is the main belt tensioner for A/C, Alternator, and power steering.
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
The lowest of the idler pulleys on the accessory drive belt. Featuring NTN/NSK bearing.
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Restore peace of mind and optimal accessory drive performance to your BMW with this premium replacement idler pulley from Febi Bilstein.
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Drive belts transfer crankshaft power to various accessories, including the alternator, water pump, power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs.
Lifetime Replacement
