Everything you need to service your belt drive system including all high-quality, German-made components
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Brand:
ES#:
2581868
Mfg#:
N54ACBELTKT
Ships in 4 Business Days
ON SALE!
$195.99
This product was last offered at the strikethrough price on 05-02-2026
This is the main belt tensioner for A/C, Alternator, and power steering.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4810167
Mfg#:
11287563927
In Stock
ON SALE!
SAVE 17%
$69.99
This product was last offered at the strikethrough price on 05-02-2026
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4485240
Mfg#:
7PK1855
Ships on Dec 8, 2026
$41.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
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This is the main belt tensioner for A/C, Alternator, and power steering.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Much easier than using a T60 Torx socket! A must have for belt service on N54/N55 engines.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3136158
Mfg#:
020023SCH01A
In Stock
ON SALE!
SAVE 25%
$67.99
This product was last offered at the strikethrough price on 05-02-2026
...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. Featuring Kevlar reinforced belt!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4642990
Mfg#:
ECSN54BPKRKT
Ships on Dec 8, 2026
ON SALE!
$574.99
This product was last offered at the strikethrough price on 05-02-2026
$549.46 USD
Free Shipping
on orders $49 and up
Partial Replacement
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Includes new idler pulley and shorter belt for deleting your AC compressor
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Brand:
ES#:
4045332
Mfg#:
N54ACDLTKT
In Stock
ON SALE!
SAVE 18%
$78.99
This product was last offered at the strikethrough price on 05-02-2026
The lowest of the idler pulleys on the accessory drive belt.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4830505
Mfg#:
11287557851
In Stock
ON SALE!
SAVE 15%
$27.99
This product was last offered at the strikethrough price on 05-02-2026
Drives power steering pump, alternator and A/C compressor
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Brand:
ES#:
2562556
Mfg#:
11287568247
In Stock
$33.17
This product was last offered at the strikethrough price on 08-13-2026
The lowest of the idler pulleys on the accessory drive belt.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
The higher idler pulley
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2593863
Mfg#:
11287556251
Ships in 4 Business Days
$40.99
This product was last offered at the strikethrough price on 10-23-2026
This is the main belt tensioner for A/C, Alternator, and power steering.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
21777
Mfg#:
11287563927
In Stock
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$179.99
This product was last offered at the strikethrough price on 10-26-2026
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
