PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

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.

Indmar L96 Water Flow Replumb Kit  1:1 Drive - Not V-Drive | Original Indmar | 49-5181I
17%
$525.00 $630.26
OEM Indmar 495181I KIT WATER FLOW L96 W/EXH HOSE 1-1 Fits 1:1 Drive - Not for the V-Drive Engines! CLICK HERE FOR INSTRUCTIONS
Cap For Degas Bottle Reservoir Coolant Recovery Tank | Crusader R034045
16%
$18.00 $21.53
Cap For Degas Bottle Reservoir OEM R034045 - Cap Only Replaces Volvo Penta 1674083 Fits many PCM Engines - Most ZR | 5.0 | 5.7...
Degas Bottle Reservoir | Crusader R146001
10%
$139.58 $155.10
Degas Bottle Reservoir OEM R146001 - Resivoir Only Fits many PCM Engines - Most ZR | 5.0 | 5.7 WITH Closed Cooling FOR THE CAP...
Barb Thermostat Housing Hose Barb Nylon Fitting 3/8 Inch NPT X 5/8 Inch Hose  OEM 60-5020
43%
$4.95 $8.75
3/8" NPT X 5/8" Hose Nylon Straight Fitting Straight 3/8 inch by 5/8 inch fitting made of nylon May need to order 2 - 4...
Chrysler 160 Degree Thermostat Sierra 18-3645
11%
$25.00 $28.00
Thermostat Chrysler 160 Degree Thermostat 160 Degrees Used on all Chrysler V8 engines with a Carter carburetor From 1975 to 1985 Replaces Chrysler 3514177
Thermostat Housing Gasket Chrysler 0050082E
12%
$3.95 $4.50
GASKET THERMOSTAT SIERRA® 18-0878-9 Used on Chrysler small block & big block marine engines 1968 to 1985 Replaces Chrysler 3830016
Seal for Thermostat OEM PCM R047011
5%
$35.00 $36.81
Seal for Thermostat OEM PCM R047011
Gasket Thermostat 4 Grounding Studs Replaces Merc. 27-530451 Sierra® 18-2917-9
12%
$7.00 $7.99
GASKET THERMOSTAT - SOLD IN PAIRS - PER PAIR - COMES WITH 2 GASKETS Thermostat Gasket Fits GM engines Has brass rivets Replaces OMC/Johnson/Evinrude 312797,...
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 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
11%
$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
7%
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...
160 Degree Thermostat | Sierra 18-3649
16%
$26.00 $31.13
Thermostat Aftermarket 160 degree thermostat fits many different closed water cooled marine engines Fits various Crusader fresh water cooled engine models including model 220, model...
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 and gasket, and O-ring for PCM ZR4, H5 and H6  
Lower Thermostat Housing Crusader 97557
15%
$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
15%
$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
20%
$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...
Items 49 to 64 of 72 total