Torresen Marine

Parts Catalog: Westerbeke 20B TWO / 30B THREE
Engine System Group: 30B THREE - COOLING SYSTEM

Return to 20B TWO / 30B THREE catalog index: 20B TWO / 30B THREE Group Index

This information is found in Westerbeke catalog #37115
Order your print copy of this Westerbeke parts catalog #37115

Special note about this diagram:
The parts listed below are for the Westerbeke 30B Three Cooling System, if you are looking for the parts listing for the Westerbeke 20B Two Cooling System, please click on the listing for that engine in the table of contents.

click diagram to increase its size

Ref.	Part #	Description	Quantity Req'd	Price Each
	36123	CLAMP,EXCHANGER	2	43.67
	19321	O-RING	1	0.66
	19321	O-RING	1	0.66
1	37158	HOSE,SEA PUMP TO EXCHANGER	1	37.84
2	11386	HOSE CLAMP 12	2	2.53
3	34712	NIPPLE 3/8 NPT x 7/8 HOSE	1	14.19
4	33636	SEA WATER PUMP Part number has changed to: Westerbeke 37431	1
5	36612	ELBOW 3/8 NPT x 1 HOSE	1	24.64
6	31824	CAPSCREW M 6x35 DIN 933	1	0.66
7	34642	Cap Screw	1	0.66
8	31783	LOCKWASHER M 6 DIN 127	4	0.22
8	31825	CAPSCREW M 6x12 DIN 933	4	0.66
9	30386	PULLEY,FRESH WATER PUMP	1	41.58
10	30146	CAPSCREW M 6x55 DIN 931	2	1.32
11	18804	CAPSCREW M 6x20 DIN 933	2	0.77
12	37015	PUMP,FRESH WATER	1	312.07
13	36957	GASKET,FRESH WATER PUMP	1	9.02
14	33351	CAPSCREW M 6x60 DIN 931	1	0.88
15	18804	CAPSCREW M 6x20 DIN 933	2	0.77
16	37057	HOUSING,THERMOSTAT LOWER	1	139.48
17	37016	GASKET,THERMOSTAT HOUSING	1	6.71
18	37493	SWITCH,WATER TEMP INCL GASKET	1	109.56
19	37162	GASKET,TEMPERATURE SWITCH	1	7.48
20	37043	THERMOSTAT	1	63.47
21	36956	GASKET,THERMOSTAT	1	6.16
22	36937	O-RING 9 MM	2	3.08
23	36947	LINE,THERMOSTAT BY-PASS	1	15.73
24	36228	HOUSING,THERMOSTAT 12C,20B,30B	1	66.22
25	37453	BUSHING,SWITCHES 1/4NPTx1/8NPT	1	8.03
25	19369	PLUG 1/8 NPT HEX HEAD BRASS	1	2.42
25	35109	SENDER,WATER TEMPERATURE	1	76.56
26	31784	WASHER M 6 DIN 125	2	0.22
27	31783	LOCKWASHER M 6 DIN 127	2	0.22
28	18804	CAPSCREW M 6x20 DIN 933	2	0.77
29	11405	HOSE CLAMP 16	2	2.53
30	37383	HOSE,THERMOSTAT TO MANIFOLD	1	10.89
31	30165	SPRING,HEATER VALVE	1	19.14
32	37152	HOUSING,FLOWCONTROL 3/4 HOSE	1	54.23
33	11386	HOSE CLAMP 12	2	2.53
34	36654	RETURNBEND HOSE 3/4ID FLOWCTLR	1	9.68
35	11405	HOSE CLAMP 16	2	2.53
36	39885	HOSE,FLOWCONTROL	2	25.85
37	21878	HOSE CLAMP 20	2	2.64
38	24306	CAP,PRESSURE 14PSI	1	8.36
39	24907	ELBOW 1/8 NPT x 5/16 HOSE	1	11.22
40	15830	STUD M 8x25 DIN 939	6	3.85
41	36955	GASKET,EXHAUST MANIFOLD	1	17.27
42	31787	WASHER M 8 DIN 125	4	0.33
43	31786	LOCKWASHER M 8 DIN 127	4	0.22
44	18242	NUT M 8 DIN 934	4	0.33
45	37312	Exhaust Manifold	1	489.17
46	11405	HOSE CLAMP 16	2	2.53
47	31825	CAPSCREW M 6x12 DIN 933	1	0.66
48	31784	WASHER M 6 DIN 125	1	0.22
48	31783	LOCKWASHER M 6 DIN 127	1	0.22
49	12292	CLAMP,CABLE RUBBERIZED	1	2.42
50	36691	HOSE,EXCHANGER TO PUMP	1	41.47
51	31935	SCREW 8-32 X 1/4 SS OVAL	2	0.55
52	35411	NAMEPLATE,LOGO	1	19.91
53	15830	STUD M 8x25 DIN 939	1	3.85
53	15831	STUD M 8x32 DIN 939	1	7.92
54	37564	Heat Exchanger	1	865.37
55	22851	HEAT EXCHANGER END GASKET 3 INCH	2	3.74
56	19321	O-RING	2	0.66
57	22850	3 Inch Heat Exchanger End Cover	2	17.60
58	22852	CAPSCREW 3/8NCx3/4 BRASS OR SS	2	4.73
59	31786	LOCKWASHER M 8 DIN 127	2	0.22
60	18242	NUT M 8 DIN 934	2	0.33
62	31753	WASHER,FLAT 1/4	2	0.22
63	31752	LOCKWASHER 1/4 MED	2	0.22
64	31506	CAPSCREW 1/4NCx1-1/4	2	0.55
65	19369	PLUG 1/8 NPT HEX HEAD BRASS	1	2.42
65	11471	This is the part you were searching for: PETCOCK	1	5.28
66	11885	ZINC 1/4" NPT; 3/8" DIAMETER	1	6.38
67	36614	ELBOW 3/4 NPT x 1 HOSE	1	28.49
68	11405	HOSE CLAMP 16	1	2.53
69	37154	HOSE,COOLER TO TRANSMISSION	1	21.56
70	36541	CLAMP,EXHAUST ELBOW	1	43.34
71	36425	GASKET,EXHAUST ELBOW	1	4.07
72	37401	90 DEGREE WATER INJECTED ELBOW	1	178.20
72	37402	KIT,WATER INJECTED ELBOW 45	1	108.90
73	35747	PLUG 1/2 NPT	1	8.03
73	36849	PLUG 3/4 NPT SQ HEAD BRASS	1	11.88
74	36614	ELBOW 3/4 NPT x 1 HOSE	1	28.49
74	36616	ELBOW 1/2 NPT x 1 HOSE	1	30.25
75	24977	COOLANT RECOVERY EXPANSION TANK KIT	1	54.01
76	24786	STRAP,TANK MOUNT	1	11.22
77	24704	TANK,COOLANT RECOVERY	1	12.00
78	24858	CAP,POLYETHYLENE 2 OD	1	0.55
79	24637	TUBING,POLYURETHANE/PER INCH	30	0.44
80	24906	HOSE CLAMP 04 MINI	2	1.65

Getting the correct part is easy:
When you know the part you need, click the 'Add to Cart' link next to the part description above.

* When a part is marked as not used it is generally not applicable to this engine. Please contact us for assistance.

if you need more information, you can use the customer service icon below to talk with someone immediately. You can also call us at 231-759-8596 or email us.

Return to 20B TWO / 30B THREE Group Index

This page and all associated pages of Torresen's Marine Diesel Direct are provided as a service to our customers. These pages are for informational purposes only and should always be confirmed against the latest printed version of the part manual from the engine manufacturer. If you have any questions about the appropriate part or application for your specific engine, be sure to contact the manufacturer or Torresen's Marine Diesel Direct.

The program that provides this online parts catalog as well as the format and delivery of the information contained as part of this site is owned by Torresen Marine, Inc. with All Rights Reserved. All use or duplication of this information requires the express written consent of Torresen Marine, Inc.

Torresen Marine's Marine Diesel Direct is an authorized dealer and service center for these engines, however this site is not owned by or operated by any engine or product manufacturer. Information used to create these pages including data and images may be the property of others and are used by permission.

Torresen Marine Inc.
3003 Lake Shore Dr
Muskegon, MI 49441
(P) - 231.759.8596
(F) - 231.755.1522

Privacy and Security policy | Copyright and Acceptable Use Policy | Link to This Site | Email Us | About Us