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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

SMI27105

Thermostat Housing Gasket, GM V6-V8

Thermostat Housing Gasket for GM V6 and V8. This gasket is special to the marine industry because it has a grounding grommet to ground the...

$4.95

SIE18-1989K

Thermostat Service Kit for GM4 V6 V8 Mercruisers with Plastic Sleeve

Thermostat Service Kit for GM4 V6 V8 Mercruisers with a Plastic Sleeve holding the thermostat in place. Includes Gaskets and Sleeve.Does not include...

$14.95

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

SIE18-1910

Thermostat Housing Kit for Mercruiser Inline 4 and 6 Cyl GM 861493A07

Thermostat Housing Kit for Mercruiser Fits: GM 2.5L 153 cid 4 CylGM 3.0L 181 cid 4 CylGM 4.1L 250 cid 6 Cyl Replaces Mercruiser #s 861493A07,...

$100.95

... more info
Limited Availability - Please Call

OSCMC55-TSB

Housing, Thermostat Cover, for Mercruiser GM 305 5.0L, 350 5.7L V8

Thermostat Cover Housing for Mercruiser GM small block V8

$25.95

... more info
Replacement Available

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

MER860256A4

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

$349.95

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

MER23-806922

Thermostat Sleeve (Flat Cover ), Mercruiser GM

Thermostat Sleeve, fits Mercruiser GM

$9.95

MER22-98477A2

Valve Tee Ball For Mercruiser Thermostat Housing V6 V8 22-98477A2

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...

$50.95

... more info
Replacement Available

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

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

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

GLM13672

Thermostat Housing for Mercruiser MCM/MIE 4.3/5.0/5.7/ Carbureted (w/ Dry Joint Exhaust) Replaces 864592T

$219.95

GLM13670

Thermostat Kit MCM/MIE 4.3/5.0/5.7 Carbureted (w/ Dry Joint Exhaust)

Kit Contains: Kit Contains: 864592T1Thermostat Housing GLMOEMITEM 13671864592TThermostat Housing 22367(2) 330263Screw 26382(2) N/AWasher...

$279.95

GLM13654

Thermostat Housing for Bravo/MIE MCM/MIE GM V6/V8, 305/350 CID Replaces 860256A4

$209.95

GLM13653

THermostat Housing for Mercruiser Alpha MCM GM V6/V8, 305/350 CID Replaces 860256A3

$209.95

GLM13642

Thermostat Housing for Mercruiser MCM 4.3/5.0/5.7/6.2L MPI(w/ Dry Joint Exhaust & 7 Point Drain) replaces 864592T1

$209.95

GLM13640

Thermostat Kit MCM 4.3/5.0/5.7/6.2L MPI (w/ Dry Joint Exhaust and 7 Point Drain System)

TThermostat Housing Kit MCM 4.3/5.0/5.7/6.2L MPI (w/ Dry Joint Exhaust and 7 Point Drain System) Kit Contains: GLM OEM ITEM 13641864592T1Thermostat...

$279.95

GLM13632

Thermostat Housing for Mercruiser MCM/MIE 4.3/5.0/5.7/6.2L MPI w/ 1 or 3 Point Drain System replaces 860256A4

$209.95

GLM13630

Thermostat Kit MCM/MIE 4.3/5.0/5.7/6.2L MPI (w/ 1 or 3 Point Drain System) 863457A2

Thermostat Kit MCM/MIE 4.3/5.0/5.7/6.2L MPI (w/ 1 or 3 Point Drain System) Kit Contains: GLM OEM ITEM 13631 863457A2 Thermostat Housing 13992...

$244.95

GLM13550

Thermostat Housing Kit Mercruiser GM 305 350 5.0 5.7 7.4 8.2 Closed Cooling

Thermostat Housing Kit for Fresh Water Cooled Mercruisers. This housing is used on inboard and Sterndrive applications with fresh water cooling. Or...

$179.95

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