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5416, M-20, M3-20, M3-20B

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Model In³ Hp Max.
RPM
Cyl Bore x
Stroke
Lubrication
engine only
Coolant
(50/50 mix)
Weight Years
M-20, 5416 45 16 2800 2 2.99 x 3.23 in. 3.7 Qts 4.8 Qts 365 5416(76-82) M-20(82-83)
M3-20 38.9 18 3600 3 2.60 x 2.45 in. 3.2 Qts 3 Qts 235 88-current
PART # MODEL NUMBER PRICE
BELTS
BLT-3-UD M-20, Model 5416 $13.00
BLT-4-UD M3-20 $11.00
OIL FILTERS
OF-1 M-20, Model 5416 $14.75
OF-1A Aftermarket filter M20, Model 5416 $9.00
OF-2 M3-20, M3-20B $14.75
OF-2A Aftermarket filter, filter body slightly larger.  details $9.00
FUEL FILTERS
FF-1 ALL MODELS $12.50
RACOR FILTER ELEMENT
Element 2010, 10 micron, fits Racor 500 series filters. Includes filter, lid gasket, T-handle o-ring and spacer for older filters.
$17.00
AIR FILTERS
AF-2 M3-20, M3-20B $13.40
ELECTRIC LIFT PUMPS
These are new Facet® diesel fuel lift pumps.
UD-LP-302025 M-20, Model 5416    lift pump was PN 299736 $85.00
UD-LP-301385 M3-20, M3-20B    lift pump $90.00
FP-filter74 Facet fuel pump filter and gasket    filter $9.00
HB-516-18 Fuel pump fitting - straight, 1/8" mpt x 5/16" ID hose  details $4.00
HB-516-18-90 Fuel pump fitting - 90 degree, 1/8" mpt x 5/16" ID hose  details $4.00
HC-15 Stainless steel hose clamp 1/2 inch to 29/32 inch $1.25
FH-516 Fuel hose, 5/16 inch ID, Type A1, sold by the foot $3.00
THERMOSTAT and GASKET
TS-2 M-20, Model 5416 $31.00
TS-3 M3-20, M3-20B $46.50
TG-2 M-20, Model 5416 $0.90
TG-3 M3-20, M3-20B $0.90
UD-TSEND-299066 Temperature sender M-20, M3-20, Model 5416 $40.70
SEA WATER PUMP  FAQ's
202M-7 M-20  Details  Replaces Sherwood 2 bolt mount pump  Pump Parts  Click here $235.00
G-908 M3-20, M3-20B  Details  Pump Parts  Click here $290.00
FRESHWATER PUMP
PLEASE READ IMPORTANT NOTE BEFORE ORDERING. Click Here
UD-PUMP-298845 Freshwater pump M-20, 5416 $328.00
UD-G-298846 Freshwater pump M-20, 5416 $4.00
UD-PUMP-301336 Freshwater pump M3-20, M3-20B $253.00
UD-PUMP-302756 Freshwater pump M3-20, M3-20B $248.00
UD-G-301340 Freshwater pump gasket M3-20, M3-20B $6.50
GLOW PLUG
UD-GP-1 M3-20 $20.00
UD-GP-2 M-20 $20.00
EXHAUST
UD-EXFLNG-1
Exhaust Flange; M-20, 5416, M3-20, M3-20B
$73.00
UD-G-298600 Exhaust Flange Gasket; M-20, 5416, M3-20, M3-20B $2.80
UD-STUD-EXFLNG Exhaust flange top stud $4.30
UD-STUD-EXFLNG-BO Exhaust flange bottom stud $7.30
UD-STUD-EXFLNG-SS Exhaust flange top stud - stainless steel picture $5.00
UD-STUD-EXFLNG-BO-SS Exhaust flange bottom stud - stainless steel. Read details before ordering. $7.50
UD-NUT-EXFLNG Exhaust flange nut $0.20
UD-NUT-EXFLNG-SS Exhaust flange nut - stainless steel $0.50
INJ-1 EXHAUST WATER INJECTION KIT - galvanized pipe Y fitting 1 1/4 inch pipe thread, modified bushing and injection nipple, brass hose barb fitting(1/2 inch hose). Details $45.00
INJ-2 COMPACT WATER INJECTION KIT - galvanized pipe T fitting 1 1/4 inch pipe thread, brass hose barb fitting 1/2" hose x 90 degree, brass hose barb fitting 1/2 inch hose straight, stainless steel hose clamp. Details $25.00
ZINC
ZN-2 M-20, Model 5416 (2"dia. exchanger) $4.90
MOTOR MOUNTS
Bushing style
Bushing Style
$45.00
Westerbeke style
Westerbeke Style
$128.00
MISCELLANEOUS
UD-SPRING-298828 Governor start spring, Model 5416, M-20 $5.50
PARTS MANUAL M-20, Model 5416, M3-20, M3-20B $25.50
SERVICE MANUAL M-20,Model 5416, M3-20, M3-20B $25.50
CH-930 Cole Hersee pushbutton  Details $9.00
CH-626 Cole Hersee pushbutton  Details $20.00
CH-550 Cole Hersee Marine Ignition Switch  Details $20.00
UD-QFX Quick Fix Kit  Details $23.00
Anti-seize Copper grade, 2.25oz twist up stick $7.25
Gasket sealer Permatex Aviation Gasket sealer - 4 oz. (US addresses only) $5.50
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