![Balmar Pulley Kit, Westerbeke 18, 21A, 27A, 35B, 38B, 42B [48-WSP-18]](http://elcapitan.com/cdn/shop/files/88784XL_{width}x.jpg?v=1742617574) 
              Balmar Pulley Kit, Westerbeke 18, 21A, 27A, 35B, 38B, 42B [48-WSP-18]
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      Pulley Kit, Westerbeke 18, 21A, 27A, 35B, 38B, 42B
AltMount®Serpentine Pulley Conversion Kit for Westerbeke Diesel Engines
Westerbeke Engines Covered: 18, 21A, 27A, 35B, 38B, 42B
Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 40" Circumference Serpentine Belts (one spare) & Mounting Hardware
Note: If you specify an AT-200A Alternator, a longer belt length may be required.
Replaces:
- 48-WSP-21A, 48-WSP-27A, 48-WSP-35B, 48-WSP-38B, 48-WSP-42B
 
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