BMW Z3 2.5 M52 2.5L Alternator Belt Tensioners

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley 2X Entries For Our 25th Anniversary Sweepstakes!
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Brand:

ES#:

3129598

Mfg#:

11287838797

$53.99 USD

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on orders $49 and up

Lifetime Replacement

Update from a mechanical tensioner to a hydraulic style tensioner 2X Entries For Our 25th Anniversary Sweepstakes!
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Brand:

ES#:

4164847

Mfg#:

11287838797K

Seals the back side of the hydraulic alternator belt tensioner roller from debris

Brand:

ES#:

21663

Mfg#:

11281730532

$3.89 USD

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Lifetime Replacement

Replacement is recommend with every belt service We Price Match - Give Us A Call or Chat!

Brand:

ES#:

2776538

Mfg#:

11281748131

$30.99

This product was last offered at the strikethrough price on
05-07-2026

$17.99 USD

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on orders $49 and up

Lifetime Replacement

Protects the upper mounting bolt of the hydraulic alternator belt tensioner assembly from debris

Brand:

ES#:

29427

Mfg#:

12311713143

$1.99 USD

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on orders $49 and up

Lifetime Replacement

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. 2X Entries For Our 25th Anniversary Sweepstakes!
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Brand:

ES#:

2187565

Mfg#:

11281427252

$50.99 USD

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on orders $49 and up

Lifetime Replacement

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

5480937

Mfg#:

11287838797

$59.99 USD

Add to Cart

Lifetime Replacement