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Home :: Mercruiser Inboards :: Cooling System :: Thermostat Housings and Covers

Thermostat Housings and Covers

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Displaying 1 to 30 (of 47 products)

Model Item Name+ Price

MER30-98475T1

Check Ball Kit for Mercruiser Brass Tee Ball Valve Thermostat 30-98475T1

Tee Ball or Check Ball Kit for the Mercruiser Thermostat Housing with the Brass Tee Ball Valve Assembly. Replaces Mercruiser Number: 30-98475T1

$24.95

GLM13710

Cover Thermostat for Mercruiser 7.4 8.2 2 Bib 47442A1

Thermostat Cover for Mercruiser GM 7.4L454 cid and 8.2L 502 cid Big Block V8. Has Bleeder plug on top to remove trapped air from fresh water cooled...

$62.95

GLM13700

Cover Thermostat for Mercruiser Flat Cap V6 V8 17494A1

Thermostat Cover Fits Mercruiser with Flat Cap Style Thermostat Housings Replaces: 17494A1

$29.95

GLM13237

Eye Lifting for Mercruiser V6 V8 Thermostat Housing 12552

Thermostat Housing Lifting Eye For Mercruiser GM V6, Small Block V8 and Big Block V8 Applications Replaces OEM: 12552 Included in GLM13231 (GM V6...

$8.95

GLM35070

Gasket, T-stat to Intake Manifold, Mercruiser Ford V8

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

$2.99

OSC41812

Gasket, Thermostat Housing Top Cover for Mercruiser and Barr Style

Gasket, top cover to base for center riser style manifolds. Replaces Mercruiser # 27-41812; Barr # MC47-27-41812; Sierra # 18-2554; SMI #27812. Use...

$5.95

GLM31340

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

$2.19

BARMC-29-47442

Housing Thermostat Cover Mercruiser GM 454 7.4L 502 8.2L V8 47442

Thermostat Cover Housing for Mercruiser GM 454 cid 7.4L and 502 cid 8.2L big block V8. Notice the offset holes. The models that have an aluminum...

$38.95

BARMC-29-47441

Housing Thermostat Cover Upper for Mercruiser GM 305 5.0L 350 5.7L V8 47441A1 BARMC-29-47441

Upper Thermostat Housing - Models 225 (GM), 260, 228, 898/198; 185R and 898R/228R/260R Replaces Mercruiser # 47441A1; Osco # MC55-TSB; Aqua Power #...

$38.95

SIE18-1989

Housing Thermostat for Mercruiser 5.0 5.7 1 Piece Stainless Steel 861006A1

Thermostat Housing for Mercruiser 4.3 and Small Block GM engines. Also fits big block engines with straight across bolts on the intake manifold. 1...

$233.95

GLM13540

Housing Thermostat for Mercruiser Closed Cooling GM Engines 861188A1

Thermostat Housing for Mercruiser Closed Cooling Models using GM based engines. Fits Small Block and Big Block mostly MPI engines with Front mounted...

$237.95

GLM13520

Housing Thermostat for Mercruiser GM Big Block V8 90736A18

Lower Thermostat Housing That Is used On Mercruiser Big Block Engines With Raw Water Cooling and Center Rise Exhaust Manifolds. It Fits The...

$216.95

BARFM-29-0083

Housing Thermostat Generic Raw Water Cooling Ford 302 351 4 Hose FM-29-0083

This thermostat housing is used on small block ford "generic" apllications that are raw water(sea water) cooled. It comes with a 143 degree...

$204.95

BARCHVA-29-78

Housing Thermostat Generic Raw Water Cooling GM 454 502 4 Hose CHVA-29-78

Generic Thermostat Housing for all GM Big Block V8 engines. Fits Intake manifolds where the bolts are slightly offset (one bolt is slightly ahead of...

$134.95

BARMC29-63588

Housing Thermostat Lower for Mercruiser Ford 302 351 63588A1

Lower Thermostat Housing used on Mercruiser Ford Based Small Block engines with Raw Water Cooling. Fit fits Models 188 888 225 233 235 and 255 Ford...

$176.95

BARMC-29-78985

Housing Thermostat Lower Mercruiser GM 454 7.4L, 502 8.2L V8 Log Style

Thermostat Base for Mercruiser GM big block V8 with log style or end style manifolds manifolds. This was typically used before 1983 and works with...

$163.95

BARMC29-47587

Housing Thermostat Lower Mercruiser Inline GM 4 and 6 Cylinder 47587A2 BARMC29-47587

Lower thermostat housing for Mercruiser GM Inline 4 and 6 Cylinder engines with raw water cooling. Has two 3/8 NPT ports for temperature senders. It...

$59.95

AP5040

Housing Thermostat Stainless for Mercruiser GM V6 & SB V8 87290A4 861006A1

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...

$229.00

BARMC29-62898

Housing Thermostat Upper Mercruiser Ford 302 351 4 Ports 62898A1

Upper Thermostat Housing for Mercruiser Ford based raw water cooled engines. Fits models 188 888 215 233 and 255. Held on with three bolts and had 4...

$56.95