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SPRING TUNE UP THERMOSTATS - GASKETS

SPRING TUNE UP INBOARD THERMOSTATS & GASKETS

Spring Tune-Up THERMOSTATS & GASKETS for inboard marine engines includes essential components designed to enhance engine performance and reliability. These inboard parts will ensure optimal ignition system function, promoting smoother operation and improved fuel efficiency. Ideal for inboard ski boat enthusiasts seeking to maintain their vessels, all of your must-haves for seasonal maintenance, ensuring your engine is ready for the water!

 Click HERE to go back to the Spring Fresh Tune-Up Page.

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Thermostat 142 Degree Full Repair Kit For LT-1 PCM & Indmar Ford R026002E Sierra Brand 18-3651
Thermostat 142 Degree Full Repair Kit For LT-1 PCM & Indmar Ford R026002E Sierra Brand 18-3651
24%
$18.04 $23.89
Thermostat 142 Degree Full Repair Kit For LT-1 PCM & Indmar Ford R026002E Sierra Brand 18-3651
$18.04 $23.89
Thermostat 142 Degree PCM & Indmar Ford & LT1 R026002E Sierra Brand 18-3651 FULL REPAIR KIT  Includes all gaskets Fits the LT1 Engine Fits many raw water...
Barb Thermostat Housing Hose Barb Brass Straight Fitting 3/4 Inch NPT X 3/4 Inch OEM 50-512-019
BARB THERMOSTAT HOUSING HOSE BARB BRASS STRAIGHT FITTING 3/4 INCH NPT X 3/4 INCH OEM 50-512-019
11%
$19.45 $21.75
Barb Thermostat Housing Hose Barb Brass Straight Fitting 3/4 Inch NPT X 3/4 Inch OEM 50-512-019
$19.45 $21.75
3/4" NPT X 3/4" BRASS Straight Fitting Straight 3/4 inch by 3/4 inch fitting made of brass! Used on Thermostat Housings May need to order 2 -...
Thermostat 170 Degree PCM Ford Fresh Water Cooled With Gasket OEM RP026001
Thermostat 170 Degree PCM Ford Fresh Water Cooled With Gasket OEM RP026001
7%
Sold Out
Thermostat 170 Degree PCM Ford Fresh Water Cooled With Gasket OEM RP026001
Sold Out
THIS ITEM IS NO LONGER AVAILABLE AND IS REPLACED BY THE 170° THERMOSTAT. CLICK HERE for the updated part RP026003 The old 145 degree is now...
Thermostat Retro Kit Gen 5 - H5-H6-ZR4 OEM RF026010-02A
Thermostat Retro Kit Gen 5 - H5-H6-ZR4 OEM RF026010-02A Thermostat Retro Kit Gen 5 - H5-H6-ZR4 OEM RF026010-02A
4%
$49.00 $51.28
Thermostat Retro Kit Gen 5 - H5-H6-ZR4 OEM RF026010-02A
$49.00 $51.28
Thermostat and gasket, and O-ring for PCM ZR4, H5 and H6  
Pressure Relief Spring OEM Crusader 96686
Pressure Relief Spring OEM Crusader 96686
9%
$10.29 $11.29
Pressure Relief Spring OEM Crusader 96686
$10.29 $11.29
Spring for pressure relief valve assembly used on various Crusader raw water cooled engines. Fits Crusader V6 model 165 3.8L & 4.3L raw water cooled...
Pressure Relief Valve OEM Crusader 96066
Pressure Relief Valve OEM Crusader 96066
8%
$5.49 $5.98
Pressure Relief Valve OEM Crusader 96066
$5.49 $5.98
Pressure relief valve used on many Crusader raw water cooled engines. Fits Crusader V6 model 165 3.8L & 4.3L raw water cooled marine engines Fits...
Pressure Relief Seat OEM Crusader 96065
Pressure Relief Seat OEM Crusader 96065
8%
$5.95 $6.49
Pressure Relief Seat OEM Crusader 96065
$5.95 $6.49
Seat for pressure relief valve assembly used on various Crusader raw water cooled engines. Fits Crusader V6 model 165 3.8L & 4.3L raw water cooled...
Lower Thermostat Housing Crusader 97557
Lower Thermostat Housing Crusader 97557
15%
$112.00 $131.50
Lower Thermostat Housing Crusader 97557
$112.00 $131.50
OEM thermostat housing for many raw water cooled Crusader marine engines. Fits many big block & small block GM Crusader marine engines For raw water...
Upper Thermostat Housing Crusader 97556
Upper Thermostat Housing Crusader 97556
15%
$112.00 $131.50
Upper Thermostat Housing Crusader 97556
$112.00 $131.50
OEM upper thermostat housing for many Crusader raw water cooled marine engines. Includes bare upper thermostat housing only Fits many Crusader GM small block and...
Thermostat 160 Degree Kit With All Gaskets Sierra® OEM Brand 18-3647
Thermostat 160 Degree Kit With All Gaskets Sierra® OEM Brand 18-3647
20%
$38.89 $48.89
Thermostat 160 Degree Kit With All Gaskets Sierra® OEM Brand 18-3647
$38.89 $48.89
160 degree thermostat kit fits many different Mercruiser closed cooled marine engines. Fits Mercruiser 3.0L 184 CID fresh water cooled engines from 1990 to 2010...
Housing Thermostat Housing Mercruiser® Upper Thermostat Housing Barr Marine MC-29-47441
Housing Thermostat Housing Mercruiser® Upper Thermostat Housing Barr Marine MC-29-47441 Housing Thermostat Housing Mercruiser® Upper Thermostat Housing Barr Marine MC-29-47441
17%
$48.76 $58.76
Housing Thermostat Housing Mercruiser® Upper Thermostat Housing Barr Marine MC-29-47441
$48.76 $58.76
Upper Thermostat Housing Mercruiser OEM Direct replacement thermostat housing fits Mercruiser 225, 260, 228, and 898/198 model small block marine engines. Barr Mercruiser thermostat housing Includes bare...
Thermostat Kit 145 Degree Volvo Raw Water Cooled OEM Volvo Penta 876305
Thermostat 145 Degree Volvo Raw Water Cooled OEM Volvo 876305 Thermostat Kit 145 Degree Volvo Raw Water Cooled OEM Volvo Penta 876305
10%
$33.05 $36.89
Thermostat Kit 145 Degree Volvo Raw Water Cooled OEM Volvo Penta 876305
$33.05 $36.89
145 ° OEM thermostat kit used on many raw water cooled Volvo Penta marine engines. Thermostat kit Fits Volvo Penta AQ175A, AQ205A 430A, 430B, 431A,...
Thermostat Kit Mercruiser 142 Degree Complete Service Kit 18-3646
THERMOSTAT KIT MERCRUISER 142 DEGREE COMPLETE SERVICE KIT 18-3646
16%
$29.60 $35.09
Thermostat Kit Mercruiser 142 Degree Complete Service Kit 18-3646
$29.60 $35.09
142 Degree Thermostat KIT - Sierra 142 degree thermostat kit designed to fit many different Mercruiser raw water cooled marine engines. Kit includes 18-3551 142...
Thermostat 160 Degree PCM Drilled 1 Hole For Closed Cooling OEM 97895
THERMOSTAT 160 DEGREE PCM DRILLED 1 HOLE CLOSED COOLING OEM 97895
7%
$39.84 $42.90
Thermostat 160 Degree PCM Drilled 1 Hole For Closed Cooling OEM 97895
$39.84 $42.90
160 ° Thermostat fits various closed cooled Crusader V8 marine engines. 160 degree temperature for closed cooled engines Fits Crusader model 305 fresh water cooled...
Thermostat 160 Degree Volvo Full Kit With Gaskets
THERMOSTAT 160 DEGREE VOLVO FULL KIT WITH GASKETS
13%
$28.68 $32.89
Thermostat 160 Degree Volvo Full Kit With Gaskets
$28.68 $32.89
Aftermarket 160 degree fits various OMC & Volvo Penta Marine Engines. THERMOSTAT FULL KIT 160 DEGREE  Fits OMC 120 model marine engines from 1980 to...
Thermostat 4140 With Gasket Mitsubishi OEM RP026004
Thermostat 4140 With Gasket Mitsubishi OEM RP026004
$19.61
Thermostat 4140 With Gasket Mitsubishi OEM RP026004
$19.61
THERMOSTAT 4140 WITH GASKET MITSUBISHI OEM RP026004 PCM - NOT AFTERMARKET For rear and front mounted heat exchangersFits:MP454 XLi - Serial Numbers 101810 through 103880MP7.4L...
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