www.marinedieseldirect.com is part of the TOAD Marine Supply Sailing Site. Order parts from this catalog online, by phone 616-820-0022, fax 616-396-1136 or email

M25 Parts Home

Alternator Mnt. Con.
Bell Housing
Control Panel
Cylinder Head
Engine Stop Lever
Fuel Camshaft
Fuel Filter
Gear Case
Head Cover
Heat Exchanger NEW
Heat Exchanger OLD
Inlet Manifold
Main Bearing Case
Name Plate
Nozzle Holder
Oil Pan
Orberdorfer Water Pump
Piston Crankshaft
Sherwood Water Pump
Sherwood Water Pump NEW
Speed Control
Throttle Bracket
Valve Rocker
Water Flange
Water Pump
Wiring Diagram
M25 Parts Home


ItemPart No.Description
1300105Spacer - Alternator Arm
2299809Alternator Adjusting Arm
3231875Washer- 5/16 Plain
4231891Washer - Spring Lock 5/16
5301019Screw - Hex Head 5/16-18 x 3-1/4
7231057Hex Head Cap Screw 5/16-18 x 3/4
8230141Hex Nut 5/16-18
9230144Hex Nut 3/8-16
10231895Washer - 3/8 Spring Lock
11231876Washer - 3/8 SAE
12302280Alternator 51 AMP
12A30074612V 72AMP Alt w/AC TAB Larger Bolt Hole1”MTG.& Spacer l”
13300950Bracket - Alt. Mounting Assembly
14231093Hex Head Cap Screw 3/8-16 x 3-3/4
15243061Hex Head Cap Screw 5/16-18 x 4-1/2

For more information about this page contact customerservice@torresenonline.com This page and the associated Westerbeke® Marine Diesel Engine Pages, Marine DieselDirect and TOAD Marine SupplySailing Pages are independent dealer pages provided by TOAD Marine Supply as a service to Great Lake Sailors. 

The information contained in these pages are strictly for informational purposes.  It is always advised that you consult with qualified and authorized diesel sales and service centers and official manufacturer publications and service bulletins on issues dealing with the repair, maintenance and operation of your marine engine.

These pages © 2000 TOAD Marine Supply All Rights Reserved. Unauthorized duplication and or publication in hardcopy or digital format is strictly prohibited without prior written consent.

TOAD Marine Supply 430 W 23rd Holland, Michigan USA 49423 is an authorized independent Westerbeke / Universal dealer and service center and is not part of Westerbeke Corporation.