Welcome to Defender Canada! 
Description
- Complete impeller kit for marine cooling systems
- Replaces Westerbeke part number 34440
- Fits a wide range of BCD, WMD, BTD, and BTDA engine models
- Helps maintain proper engine temperature and performance
Sierra Impeller Kit - 23-3307 Item # 1781359
Description
Sierra Impeller Kit.
Replaces:
- Westerbeke: 34440
Fits:
- 4.0 BCD(60Hz), 4.4 BCD(60Hz)
- 4.4 WMD(60Hz)/3.3 WMD(50Hz)
- 5.0 BCD(60Hz)/4.0 BCD(50Hz)
- 5.0 BCDA(60Hz)/4.0 BCDA(50Hz)
- 5.0 BCDB(60Hz)/4.0 BCDB(50Hz)
- 6.0 BCD(60Hz)/4.5 BCD(50Hz)
- 7.6 BTD(60Hz)/5.7 BTD(50Hz)
- 7.7 WMD(60Hz)/5.8 WMD(50Hz)
- 8.0 BTD(60Hz)/6.0 BTD(50Hz)
- 8.0 BTDA(60Hz)/6.0 BTDA(50Hz)(Before March 2004)
- 8.0 WMD(60Hz)/6.0 WMD(50Hz)
- 10.0 BTD(60Hz)/7.5 BTD(50Hz)
- 10.0 BTDA(60Hz)/7.5 BTDA(50Hz)
- 11.0 BTD(60Hz)/8.3 BTD(50Hz)
- 11.0 WMD(60Hz)/8.3 WMD(50Hz)
- 12.5 BTD(60Hz)/9.4 BTD(50Hz)
- 12.5 BTDA(60Hz)/9.4 BTDA(50Hz)
- 12.5 BTDB(60Hz)/9.4 BTDB(50Hz)
- 12.5 WMD(60Hz)/9.4 WMD(50Hz)
- 15.0 BTDC(60Hz)/12.0 BTDC(50Hz)