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Westerbeke W 33A Engine

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As an Authorized Westerbeke Dealer, Diesel Parts Direct carries a great selection of genuine diesel engine parts. We stock most popular Westerbeke products like oil and fuel filters, and impeller kits and have them ready for immediate shipment. If you know the correct part number, please enter it in the search box located in the navigation bar, or use any of our quick links below to access the most common parts available for this model.

If you do not see the parts you are looking for, please use our quote request form or call us at 888.650.2771: our knowledgeable inside sales staff will gladly help you.


ZINC - 108B SIX / 11.0 BTD / 12.5 BTDA (1/4 NPT X 1-3/4)

$17.08

HEAT EXCHANGER GASKET - 11.0 BTD / 12.5 BTDA / 15.0 BTDA (2-3/4")

$6.44

FUEL SHUT-OFF SOLENOID - 10.0 BTD / 11.0 BTD / 12.5 BTDA (12V DC)

$231.03

THERMOSTAT GASKET - 12.5 WMD / 4.4 WMD / 6.0 WMD

$3.17

SPARE PARTS - 12.5 WMD (KIT A)

$468.38

SPARE PARTS - 12.5 WMD (DELUXE KIT A)

$2,835.21

FUEL FILTER ELEMENT - 10.0 BTD / 11.0 BTD / 12.5 BTDA (WITH O-RINGS)

From $14.68

FUEL INJECTOR NOZZLE - 10.0 BTD / 11.0 BTD / 12.5 BTDA

$208.07

GASKET - 4.4 WMD (FRESH WATER PUMP TO ADAPTER)

$4.91

CYLINDER HEAD GASKET - 12.5 WMD

$641.28

VALVE COVER GASKET - 12.5 WMD / W 33 / W 33A

$45.91

OIL PAN GASKET - 12.5 WMD

$106.46

FUEL INJECTOR RETURN LINE - 12.5 WMD

$115.10

OIL PUMP O-RING - W 33 / W 33A

$17.27

FRESH WATER PUMP - 12.5 WMD

$546.08

FAN BELT - 11.0 BTD / 12.5 BTDA / 12.5 WMD (39.5 X O)

$26.43

COMPLETE ENGINE GASKET SET - 12.5 WMD

$1,604.25

COMPLETE ENGINE GASKET SET - 12.5 WMD

$2,196.67

FRONT ISOLATOR - W41G / W70G (PRIOR TO JANUARY 1987)

$212.18

FUEL HARDWARE KIT - 10.0 BTD / 11.0 BTD / 12.5 BTDA

$219.38

OIL FILTER - 11.0 BTD / 12.5 BTDA / 12.5 WMD (SPIN-ON)

$27.58

OPERATOR MANUAL - W 13A / W 18 / W 21A / W 27A / W 33A

$29.48