Sierra
Sierra Block Off Plate #18-4008
Sale price $933 USD Regular price $1114Unit price /UnavailableSierra
Sierra Manifold End Plate #18-1995
Sale price $207 USD Regular price $244Unit price /UnavailableSierra
Sierra Manifold Block Off Plate #18-1990
Sale price $282 USD Regular price $332Unit price /UnavailableSierra
Sierra Manifold Spacer #18-1984
Sale price $18596 USD Regular price $23619Unit price /UnavailableSierra
Sierra Manifold Spacer #18-1985
Sale price $18732 USD Regular price $23791Unit price /UnavailableSierra
Sierra Manifold Spacer #18-1949
Sale price $18258 USD Regular price $23189Unit price /UnavailableSierra
Sierra Manifold End Plate #18-1942
Sale price $9458 USD Regular price $11741Unit price /UnavailableSierra
Sierra Manifold End Plate #18-1941
Sale price $8601 USD Regular price $10678Unit price /UnavailableSierra
Sierra Manifold End Plate #18-1911
Sale price $2669 USD Regular price $3186Unit price /UnavailableSierra
Sierra Manifold Riser Spacer #18-1908
Sale price $17631 USD Regular price $24631Unit price /UnavailableIn stock (23 units)Sierra
Sierra Manifold Spacer #18-1906
Sale price $10866 USD Regular price $13489Unit 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.