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Westerbeke 90A Four 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)

$17.07

RAW WATER PUMP IMPELLER KIT - 108B SIX / 20.0 BEDA / 25.0 BED (FOR WB-038445 AND WB-011353)

$55.22

RAW WATER PUMP SEAL - 108B SIX / 20.0 BEDA / 25.0 BED (WITH SEAT)

$108.35

FUEL FILTER ELEMENT - 32.0 BEDA (WITH O-RINGS)

$40.08

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

$6.43

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

$210.05

THERMOSTAT - 15.0 BTDA / 15.0 BTDB / 20.0 BEDA (180degF / 82degC, WITH BYPASS)

$22.29

BELT - 20.0 BEDA / 20.0 WMD / 25.0 BED (31.3 X A)

$16.67

REMOTE OIL FILTER - 108B SIX / 20.0 BEDA / 25.0 BED

$1,061.41

RAW WATER PUMP REPAIR KIT - 108B SIX / 20.0 BEDA / 25.0 BED (FOR WB-011353 PUMPS)

$406.62

STARTER - 108B SIX / 20.0 BEDA / 25.0 BED (12V DC)

$657.36

RAW WATER PUMP - 108B SIX / 20.0 BEDA / 25.0 BED

$1,530.90

ALTERNATOR BELT (46.3 X A)

$32.94

EXHAUST ELBOW KIT (WATER INJECTED, 70 DEGREE)

$326.69

STARTER SOLENOID - 108B SIX / 20.0 BEDA / 32.0 BEDA (12V DC)

$108.33

THERMOSTAT GASKET - 32.0 BEDA / 55A FOUR

$4.34

ALTERNATOR - 15.0 BTDB / 20.0 BEDA / 25.0 BED (12V DC, 50A, WITH REGULATOR)

$456.34

DIPSTICK - 32.0 BEDA

$51.31

OIL FILTER - 108B SIX / 25.0 BED / 82B FOUR (WITH GASKET, SPIN-ON)

$36.60

VALVE COVER GASKET - 32.0 BEDA

$56.07

CYLINDER HEAD GASKET - 32.0 BEDA

$250.05

OIL PAN GASKET - 32.0 BEDA

$120.76

FUEL INJECTOR - 32.0 BEDA (WITH NOZZLE)

$1,232.78

FUEL INJECTOR NOZZLE - 32.0 BEDA

$411.69

FUEL INJECTION PUMP - 32.0 BEDA

$3,967.02

FUEL INJECTOR RETURN LINE

$63.11

FRESH WATER PUMP - 32.0 BEDA

$345.01

FRESH WATER PUMP GASKET - 32.0 BEDA (BEARING HOUSING TO TIMING CASE)

$17.37

GLOW PLUG - 32.0 BEDA

$545.05

INTAKE HEATER SOLENOID - 32.0 BEDA (12VDC)

$483.34

FUEL HARDWARE KIT - 32.0 BEDA

$411.29

SPARE PARTS - 108B SIX (EXTENDED CRUISING)

$2,472.09

MARINE ISOLATOR (204-360 LB)

$418.33

FUEL LIFT PUMP - 25.0 BEDA 50 HZ / 32.0 BEDA / 90A FOUR

$770.69

HEAT EXCHANGER - 90A FOUR (PROPULSION)

$1,616.97

SPARE PARTS - 90A FOUR (KIT A, PROPULSION)

$622.54

OPERATOR MANUAL - 90A FOUR

$27.78

WATER INJECTED ELBOW KIT (45°, 3" OUTLET)

$747.56

FUEL FILTER (80 MICRON, ELECTRIC FUEL PUMP INLET)

$47.33

AIR FILTER - 63B FOUR

$183.33