Sierra
Sierra Thermostat Kit #18-3538
Sale price $740 USD Regular price $870Unit price /UnavailableSierra
Sierra Thermostat Gasket #18-2947
Sale price $486 USD Regular price $572Unit price /UnavailableSierra
Sierra Thermostat Gasket #18-2933
Sale price $165 USD Regular price $194Unit price /UnavailableSierra
Sierra Thermostat Gasket #18-2917
Sale price $394 USD Regular price $464Unit price /UnavailableVery low stock (1 unit)Sierra
Sierra Thermostat Gasket #18-2858
Sale price $411 USD Regular price $484Unit price /UnavailableSierra
Sierra Thermostat Gasket #18-2844
Sale price $202 USD Regular price $238Unit price /UnavailableVery low stock (1 unit)Sierra
Sierra Thermostat Gasket #18-2843
Sale price $685 USD Regular price $806Unit price /UnavailableSierra
Sierra Thermostat Cover Gasket #18-2834
Sale price $272 USD Regular price $320Unit price /UnavailableSierra
Sierra Thermostat Cover Gasket #18-2831
Sale price $211 USD Regular price $248Unit price /UnavailableVery low stock (1 unit)Sierra
Sierra Thermostat Cover Gasket #18-2554
Sale price $286 USD Regular price $336Unit price /UnavailableSierra
Sierra Thermostat Cover Gasket #18-2555
Sale price $175 USD Regular price $206Unit price /UnavailableSierra
Sierra Thermostat Cover Gasket #18-2553
Sale price $223 USD Regular price $262Unit price /UnavailableSierra
Sierra Thermostat Cover Gasket #18-2552
Sale price $206 USD Regular price $242Unit price /UnavailableSierra
Sierra Thermostat Gasket #18-2546
Sale price $156 USD Regular price $184Unit price /UnavailableSierra
Sierra Thermostat Cover Gasket #18-2548
Sale price $12470 USD Regular price $15480Unit price /UnavailableSierra
Sierra Thermostat Seal #18-1508
Sale price $077 USD Regular price $090Unit price /Unavailable
Frequently Asked Questions
What kind of products do you sell?
What kind of products do you sell?
First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!
Do you offer free shipping?
Do you offer free shipping?
Yes, we offer FREE Shipping on most orders over $149 to US-48*.
Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.
- Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
- Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
- Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
- Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
- Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
- In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store
How do I know if something is in stock or not in stock?
How do I know if something is in stock or not in stock?
Below the price of the item, on the product page, there is a message indicating the availability of the product.
The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.
What is your return policy?
What is your return policy?
We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.
If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.