MC-29-60372 Upper Thermostat Housing Mercruiser (In-Line) engines
$25.00
MC-29-60372
Upper thermostat housing for Mercruiser "in-line" engines, 4 and 6-cylinder in-line GM (Chevy) engines, 120, 140 and 165-HP.
Replaces Mercruiser Part # 60372A1 and 60372A2.
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18-3650 KIT THERMOSTAT
$18.49 $14.95 On Sale!
18-3650
KIT, THERMOSTAT 140 DEGREE AND UPPER HOUSING GASKET, MERCRUISER IN-LINE GM (CHEVY)
ENGINES, 120, 140, 165-HP and 2.5-Liter, 3.0-Liter engines.
Mercury Marine thermostat part # 59078.
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MC-29-47587 Lower Thermostat Housing Mercruiser (In-Line Engines)
$33.00
MC-29-47587
Lower thermostat housing for Mercruiser "in-line" engines, 4 and 6-cylinder in-line GM (Chevy) engines, 120, 140 and 165-HP.
Replaces Mercruiser Part # 47587A2.
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18-0164 GASKET LOWER HOUSING TO CYLINDER HEAD
$1.49
GASKET LOWER THERMOSTAT HOUSING TO CYLINDER HEAD. REPLACES MERCUISER
PART # 27-814680 AND OMC PART # 311069.
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47441A1 Thermostat Cover Design #1 - Mercruiser GM (Chevy) 4.3, 5.0 and 5.7-Liter Engines
$22.49
OSCMC55-TSB
Thermostat Housing Top Cover Design #1 Thermostat Housings.
Fits Mercruiser GM (Chevy) V-6, 4.3-Liter and V-8, 5.0 and 5.7-Liter Small Block Engines. Replaces Mercruiser part # 47441A1.
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18-1994 Lower Thermostat Housing - Design #1 (Mercruiser V-6 and 5.0 & 5.7-Liter ) GM
$139.19
18-1994
Mercruiser Design #1 Lower Thermostat Housing, sold with Brass "Tee" Check Valve for Mercruiser V-6 (4.3-Liter) and V-8 (5.0 and 5.7-Liter) Small Block GM (Chevy) Engines. Replaces mercruiser part # 87290A4.
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47442A1 Thermostat Top Cover, Design #1 - Mercruiser Big Block Engines
$29.00
MC-29-47442
Thermostat Housing Top Cover, Design #1 Thermostat Housings.
Fits Mercruiser GM (Chevy) V-8, 7.4-Liter and 502 CU.IN. Big Block Engines. Replaces Mercruiser part # 47442A1.
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90736A18 Lower Thermostat Housing Only - Design #1, Mercruiser Big Block Engines
$155.00 $129.95 On Sale!
MC-29-90736
BARR MC-29-90736 Replaces Mercruiser Design #1 Lower Thermostat Housing Only. For Mercruiser GM (Chevy) Big Block 7.4-Liter, 454 and 502 cu.in. engines. Replaces Mercruiser part #'s 90736A4 and 90736A18. Replaces OSCO # MC552-BB. NOTE:-Does NOT Include Brass "Tee" w/Check Valve. (If needed order part # 2298477A2).
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2298477A2 "TEE" Valve Assembly (w/Check Balls)
$75.00 $64.95 On Sale!
2298477A2
2298477A2 OEM Mercuiser "Tee" Valve Fitting for Mercruiser Design #1 Thermostat Housings. Complete with Check ball,
rod and springs assembly.
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18-3651 Thermostat Kit - #1
$15.75
18-3651
Thermostat and gasket kit for Mercruiser Design #1 Early GM (Chevy) Thermostat Housings, and ALL Ford V-8 Mercruiser Engines.
Supplied with 142-degree thermostat.
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Thermostat Retaining Sleeve - Brass
$12.40
2347508T
Brass Thermostat Retaining sleeve for Design #1 Thermostat
Housings.
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23-47508T GASKET, CORK
$1.29
18-2553
SIERRA CORK GASKET, REPLACES MERCRUISER 23-47508T.
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18-2917 GASKET
$1.99
18-2917
Gasket Thermostat Housing to Intake Manifold, (with grounding washers) fits most all GM (Chevy) V-6 and V-8
engines.
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87290A23 Mercruiser Thermostat Housing Kit, Design #1- (GM 4.3, 5.0 & 5.7-Liter)
$444.00 $209.95 On Sale!
BJMMERCSBTHK
87290A23 Mercruiser Thermostat Housing Kit, Design #1, For Mercruiser (4.3-Liter {V-6} and Small Block (5.0 and 5.7-Liter) GM (Chevy) with Center Riser Exhuast Manifolds. Kit comes complete with thermostat housing, cover, "T" fitting w/CHECK BALLS, thermostat retaining sleeve, thermostat (142-degree), gaskets and stainless steel mounting bolts with lockwashers. Replaces Mercruiser part # 87290A23. (GLM #13231).
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90736A24 Mercruiser Thermostat Housing Kit, Design #1- (7.4-Liter)
$476.00 $249.95 On Sale!
BJMMERCBBTHK
90736A24 Mercruiser Thermostat Housing Kit, Design #1, For Mercruiser
Big Block GM (Chevy 7.4-Liter) Engines with Center Riser Exhuast Manifolds. Kit comes complete with thermostat housing, cover, "T" fitting W/CHECK BALLS, thermostat retaining sleeve, thermostat (142-degree), gaskets and stainless steel mounting bolts with lockwashers. Replaces Mercruiser part # 90736A24. (GLM #13221).
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Mercruiser Thermostat Housing Design #2
DO NOT ORDER
Note-The Mercruiser Design #2 thermostat housing main body is "NO LONGER AVAILABLE" and has been replaced by the Design #1. Refer to either part # BJMMERCSBTHK (87290A3) for GM (Chevy) V-6 (4.3-Liter), V-8 (5.0 and 5.7-Liter) engines OR BJMMERCBBTHK (90736A24) for GM (Chevy) Big Block 7.4-Liter (454 and 502 cu.in.) engines. (Note: Design #2, The Top Cover Plate, Thermostat Kit, and thermostat retaining sleeve are available).
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Thermostat Housing Cover - Design #2
$28.40
17494A1
Thermostat housing cover for Design #2 housing. Comes with mounting gasket.
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Thermostat and Gasket Kit - #2
$16.19
18-3668
Thermostat and gasket kit for Mercruiser Design #2 Thermostat housing. 142 degree Thermostat.
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23806922 Thermostat Retaining Sleeve - Plastic
$8.02
23806922
Thermostat retaining sleeve for Design #2 and #3 housings. White plastic sleeve.
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18-3530 Mercruiser Thermostat Housing Design # 3 (Cast Iron)
$287.00 $219.19 On Sale!
18-3530
Replacement Mercruiser Thermostat Housing Design # 3, fits Mercuiser 4.3-Liter and 5.7-Liter engines. Note: made of Cast Iron, orginal motor lifting ring will fit back on. Replaces mercruiser part #'s 860256A3.
(WILL NOT FIT 7.4-LITER Engines).
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18-1989 Mercruiser Thermostat Housing Design #3 (Stainless Steel)
$254.00 $195.95 On Sale!
18-1989
New Design #3, Stainless Steel replacement Mercruiser Thermostat Housing for all Mercuiser 4.3-Liter, 5.7-Liter
and 7.4-Liter engines. Note: made of Stainless Steel, orginal motor lifting ring will not fit back on. Replaces mercruiser part #'s 860256A3 and 860256A4.
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18-3648 Thermostat Kit Design #3
$14.85
18-3648
Thermostat kit Design # 3, 160-degree, w/gaskets.
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55131A5 MERCRUISER FWC THERMOSTAT HOUSING KIT
$199.00 $139.95 On Sale!
18-3532
Replacement Fresh Water Cooling Mercruiser Thermostat Housing and Cover with base and cover gaskets. Replaces Mercruiser part # 55131A5 and GLM # 13550. Note-Thermostat not included. if needed.
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861493A36 MERCRUISER THERMOSTAT HOUSING KIT for 3.0-Liter
$90.00 $79.95 On Sale!
18-1910
Sierra Replacement Mercruiser 3.0-Liter (1999 and newer)Thermostat Housing Kit. Replaces mercruiser part # 861493A3.
Complete kit with housing, gaskets and thermostat.
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