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
 
This product may not be returned to the original point of purchase.  Please contact the manufacturer directly with any issues or concerns.