Menu
Search
888.687.0539

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Search by Part Number Close
Shopping cart Close

You have no items in your shopping cart.

Menu Close

Popular Westerbeke Thermostats

Westerbeke Thermostat

As an Authorized Westerbeke Dealer, Diesel Parts Direct sells genuine Westerbeke thermostats covered by a 12-month warranty.

Our most popular Westerbeke thermostats are listed below.
If you do not see the part number you are looking for, just use our quote request form or call us at 888.687.0539888.687.0539. Our knowledgeable staff will promptly answer your request.

WB-024688
Hassle-Free Return Item

THERMOSTAT - 10.0 BTD / 11.0 BTD / 12.5 BTDA (180degF / 82degC)

$25.27

WB-024690
Hassle-Free Return Item

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

$23.70

WB-035736
Restocking Fee Applies

THERMOSTAT - 8.5 BTG / W41G / W70G (140degF / 60degC)

$22.01

WB-037043
Hassle-Free Return Item

THERMOSTAT - 20B TWO / 30B THREE / 5.0 BCD

$108.04

WB-039378
Hassle-Free Return Item

THERMOSTAT - 4.5 BCGTC / 4.5 BCGTE / 7.2 BCGTC (160degF / 71degC)

$36.63

WB-043612

THERMOSTAT - 9.4 BTDA / 12.5 BTDA (160degF / 71degC)

$36.43

WB-047571

THERMOSTAT - 55B FOUR / 55C FOUR / 55D FOUR

$101.62

WB-301358

THERMOSTAT (160degF / 71degC, WITH BLEED)

$88.78

888.687.0539 (U.S.)|225.706.4858 (Int.)

Monday-Friday 7am-5pm CST
8784 S. Choctaw Dr. Baton Rouge, LA 70815
company information
Resources
Returns

Payment options

Complete your payment with a Visa card Complete your payment with a Master card Complete your payment with an American Express card Complete your payment using PayPal
Diesel Parts Direct BBB Business Review

Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc. Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins. Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler AG. John Deere® and all of the John Deere® engine models listed on this website are registered trademarks of John Deere. Allison Transmission® and all of their transmission models listed on this website are registered trademarks of Allison Transmission®. Diesel Parts Direct is not an authorized dealer for Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items.

Copyright © 2025 Diesel Parts Direct. All rights reserved.
CID: 86714933