Continental US

Transit Times
Click here to read our Shipping Policy

 
Buy Today, Ship Today

orders placed before 4PM edt
Non-US Customers, click here

 




  Mercruiser Sterndrives
   3.7L Specific Parts for Mercruiser
   Controls and Steering for Mercruiser
   Cooling System for Mercruiser
    Circulating Water Pumps for Mercruiser
    Coolers for Mercruiser
    Fresh Water Cooling Kits for Mercruiser
    Heat Exchangers for Mercruiser
    Raw Water Pumps & Parts for Mercruiser
    Thermostat Housings & Covers for Mercruiser
    Thermostats & Kits for Mercruiser
   Drives & Drive Parts for Mercruiser
   Electrical System for Mercruiser
   Engine System Parts for Mercruiser
   Exhaust System for Mercruiser
   Fuel System for Mercruiser
   Hoses for Mercruiser
   Miscellaneous Parts for Mercruiser
   Propellers for Mercruiser
   Service Manuals for Mercruiser
   Specialty Tools for Mercruiser
   Transom Assembly Parts for Mercruiser
   Trim System Parts for Mercruiser
   Zincs, Anodes for Mercruiser
  OMC Sterndrives
  Volvo Sterndrives









Remanufactured
marine engines by:

Want A Catalog?
Do you have your Basic Power Catalog?

Subscribe to our E-List
Name:

Email:

Home > Sterndrive Parts (Inboard Outboard) > Mercruiser Sterndrives > Cooling System for Mercruiser > Thermostat Housings & Covers for Mercruiser

Find your Thermostats & Kits with our Easy Lookup Charts
Thermostat Housings & Covers for Mercruiser
Code / Price Name / Description
AP5040   

$199.95
   
Quantity in Basket: none
Housing, Thermostat, Mercruiser, Stainless


Stainless steel Thermostat Housing for Mercruiser. It fits many GM V6 and small block V8 engines. Make sure that yours looks exactly like this. This item Replaces: 87290A4, 861006A1; Sierra 18-1989

BARCHV-29-80   

$92.65
   
Quantity in Basket: none
Housing, Thermostat, GM V6 & V8


This thermostat housing is used on many Chevrolet V-6 and V-8 applications that are generic and have dual cooling (circulating pump and other pump). It is used on raw water cooling only, and comes complete with a 143° thermostat.

BARCHVA-29-78   

$92.65
   
Quantity in Basket: none
Housing, Thermostat, 0.75", GM 454 7.4L, 502 8.2L V8


Generic Thermostat Housing for all GM Big Block V8 engines
Has two 3/4" NPT holes in top cover
Raw Water Cooling Only!
Thermostat Included


BARFM-29-0083   

$92.65
   
Quantity in Basket: none
Housing, Thermostat, Ford 302 5.0L, 351 5.8L V8, 0.75"


This thermostat housing is used on small block ford "generic" apllications that are raw water(sea water) cooled. It comes with a 140 degree thermostat. The housing two 3/4" NPT holes on the top cover.

BARMC-29-78985   

$131.75
   
Quantity in Basket: none
Housing, Thermostat, Mercruiser, GM 454 7.4L, 502 8.2L V8, Lower


Lower Thermostat Housing, Fits Mercruiser GM Big Block V8, Models 325, 330, 350 HP

BARMC29-47587   

$28.05
   
Quantity in Basket: none
Housing, Thermostat, Lower, Mercruiser Inline


This is the lower thermostat housing used on the 4 and 6 cylinder mercruiser GM in-line engines. It fits models 120, 140, 2.5L, 3.0L, 160, 165, and 200.

BARMC29-60372   

$21.25
   
Quantity in Basket: none
Housing, Thermostat, Upper, Mercruiser Inline


Upper Thermostat Housing - Mercruiser Models 120, 140, 120R/140R, 160, 165, 200
for all GM inline 4 & 6 cylinder engines


BARMC29-62898   

$42.50
   
Quantity in Basket: none
Housing, Thermostat, Upper, Mercruiser, Ford


Upper Thermostat Housing - Mercruiser Models 888, 225 (Ford), 233, (Ford), 255 (Ford)

BARMC29-63588   

$127.50
   
Quantity in Basket: none
Housing, Thermostat, Lower, Mercruiser, Ford


This is the Lower Thermostat Housing used on Mercruisers with Ford Small Block engines. it fits models i88, 888, 225, 233, and 255.

BPI13231   

$189.95
   
Quantity in Basket: none
Thermostat Housing Assembly Kit, Mercruiser V6, Small Block V8


Thermostat Housing Kit for GM V6 and small block V8 (305/350) engines
Includes housing components, gaskets, mounting hardware and thermostat (as pictured)
OEM: 87290A23 Replaces 16413A3 and 16413A9.
Attention: Threaded hole at 90° from the crankshaft centerline.


GLM13221   

$189.95
   
Quantity in Basket: none
Thermostat Housing Assembly Kit, Mercruiser GM Big Block V8


Thermostat Housing for a Mercruiser with a Big Block V8 GM (454/502) Mark IV and Gen V engines. The mounting holes are 80° from the crankshaft centerline. This item replaces Merc. # 16413A3 & 16413A9.

GLM13230   

$149.95
   
Quantity in Basket: none
Thermostat Housing, Mercruiser V6, Small Block V8, With Tee Balls


Thermostat Housing for Mercruiser GM V6 and GM Small Block V8 and big block engines with center riser manifolds. It includes tee-ball valves
OEM: Mercruiser # 87290A4


GLM13236   

$43.69
   
Quantity in Basket: none
Tee Valve Assembly, Mercruiser


Replacement Tee Valve for a Mercruiser Style Thermostat Housing. It fits the housings that have a 2 hose bib cover, and tee ball valve on the top towards the rear of housing.
Included in GLM13230.
This item replaces Merc. # 22-98477A2.


GLM13237   

$5.89
   
Quantity in Basket: none
Lifting Eye, Mercruiser, Thermostat Housing


Thermostat Housing Lifting Eye
For Mercruiser GM V6, Small Block V8 and Big Block V8 Applications
Replaces OEM: 12552
Included in GLM13231 (GM V6 thru GM Small Block V8) and GLM13221 (GM Big Block V8) Thermostat Housing Assembly Kits


GLM13520   

$139.95
   
Quantity in Basket: none
Thermostat Housing, Mercruiser GM Big Block V8


Lower Thermostat Housing That Is used On A Mercruiser Big Block Engine With Raw Water Cooling. It Fits The Mercruiser 454/502 Mark IV & Gen V Engines. This Item Replaces O.E.M. # 90736A18.

GLM13540   

$199.95
   
Quantity in Basket: none
Thermostat Housing, Mercruiser, Closed Cooling


Thermostat Housing for Mercruiser Closed Cooling Models
OEM: 861188A1


GLM13550   

$139.95
   
Quantity in Basket: none
Thermostat Housing Kit, Mercruiser GM Small Block V8


Thermostat Housing Kit for Mercruisers. This housing is used on inboard applications with fresh water cooling. It will fit the following applications: Model 5.7L MIE from 1994-97, 7.4L MIE from 1992-97, and 8.2L (502 C.I.D.) MIE from 1993-96. This item replaces OEM: # 55131A5.

GLM13700   

$23.19
   
Quantity in Basket: none
Thermostat Cover, Mercruiser, Flat Cap


Thermostat Cover Fits Mercruiser with Flat Cap Style Thermostat Housings

GLM31340   

$1.19
   
Quantity in Basket: none
Gasket, Thermostat Housing, GM Inline 4, 6


Thermostat Housing to Cylinder Head Gasket
Fits GM Inline 4 and 6 cylinder
OEMs: Mercruiser: 27-814680; OMC: 311069, 3789161GM


GLM35070   

$0.99
   
Quantity in Basket: none
Gasket, T-stat to Intake Manifold, Mercruiser Ford V8


Thermostat Housing to Intake Manifold Gasket
For Ford 302/351
OEM: 27-54506


MAL9-42502   

$129.95
   
Quantity in Basket: none
Kit, Thermostat Housing, Mercruiser V6, Small Block V8, With Tee Balls


Thermostat Housing Kit
Replaces Mercruiser OEM: 87290A4; Barr MC-29-87290; GLM 13230; Sierra 18-1994
Fits MCM/MIE GM V6, GM Small Block V8 (305, 350), and GM Big Block V8 (454, 502 & 504 cid);
For early design with center rise manifolds. Includes Tee-Ball Valves.


MER22-98477A2   

$49.95
   
Quantity in Basket: none
Tee Ball Valve Kit, Mercruiser V8


Tee Ball Valve Kit fits V8 Mercruisers


MER23-806922   

$6.95
   
Quantity in Basket: none
Thermostat Sleeve (Flat Cover), Mercruiser GM


Thermostat Sleeve, fits Mercruiser GM


MER30-98475T1   

$11.95
   
Quantity in Basket: none
Tee Ball Kit for V6, V8, Mercruiser with Center Risers


Tee Ball Valve for Mercruiser GM V6 and GM Small Block V8 with center riser manifolds


MER860256A4   

$249.95
   
Quantity in Basket: none
Housing, Thermostat, Mercruiser V6, V8 Bravo


Thermostat Housing Fits MCM/MIE GM V-6 & V-8 (305 & 350 cid) engines with Bravo drive or MIE


OSC41812   

$4.95
   
Quantity in Basket: none
Gasket, Thermostat Housing Top Cover


Gasket, top cover to base for center riser style manifolds.
Replaces Mercruiser # 27-41812; Barr # MC47-27-41812; Sierra # 18-2554; SMI #27812.
Use with OSCMC552-SB or OSCMC552-BB thermostat bases.


OSCMC55-TBB   

$21.95
   
Quantity in Basket: none
Thermostat Cover Housing, Mercruiser GM 454 7.4L, 502 8.2L V8


Thermostat Cover Housing for Mercruiser GM big block V8

OSCMC55-TSB   

$21.95
   
Quantity in Basket: none
Housing, Thermostat Cover, Mercruiser GM 305 5.0L, 350 5.7L V8


Thermostat Cover Housing for Mercruiser GM small block V8

OSCMC552-BB   

$79.95
   
Quantity in Basket: none
Thermostat Base, Mercruiser GM 454 7.4L, 502 8.2L V8 Center Rise


Thermostat Base for Mercruiser GM big block V8 with center riser manifolds

OSCMC552-SB   

$79.95
   
Quantity in Basket: none
Thermostat Base, Mercruiser GM 262 4.3L V6, 305 5.0L, 350 5.7L V8 GM Center


Thermostat Base for Mercruiser GM V6 and small block V8 with center riser manifolds

OSCMC553-BB   

$79.95
   
Quantity in Basket: none
Thermostat Base, Mercruiser GM 454 7.4L, 502 8.2L V8 Log Style


Thermostat Base for Mercruiser GM big block V8 with log style manifolds

OSCMC553-SB   

$79.95
   
Quantity in Basket: none
Thermostat Base, Mercruiser GM 305 5.0L, 350 5.7L V8 Log Style


Thermostat Base for Mercruiser GM small block V8 with log style manifolds

SMI27105   

$2.95
   
Quantity in Basket: none
Thermostat Housing Gasket, GM V6-V8 Small Block


Thermostat Housing Gasket for GM V6 and Small Block V8

Find your Thermostats & Kits with our Easy Lookup Charts