Sold out -17% sale
Sierra 5w-30 Full Synthetic FC-WCAT Quart #18-9558-2
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5w-30 Full Synthetic FC-WCAT Quart #18-9558-2 $17.45 $20.83
Sierra 18-9558-2 Oil & LubricantsSierra 5w-30 Full Synthetic FC-WCAT Quart #18-9558-2Normalized SKU: 1895582UPC Code: 808282375904
NEW ARRIVAL -17% sale
Sierra Qualifies for Free Shipping Sierra 5W-30 Full Synthetic FC-WCAT Quart #18-9558CAT-2
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5W-30 Full Synthetic FC-WCAT Quart #18-9558CAT-2 $17.03 $20.33
Sierra 18-9558CAT-2 Oil & Lubricants Size: 1 Quart (496ml) Replaces: Yamalube, MerCruiser, Indmar, Mobile 1, Ilmor, Indmar, PCM, MasterCraft Ultra-High engine performance oil that utilizes premium base stocks and industry leading additives Meets and/or exceeds FC-W Catalyst and FC-W specifications Meets or exceeds API SN category requirements Enhanced detergent package to suspend and prevent sludge Reduces friction to maintain high performance Prevents thermal and oxidation breakdown under extreme temperatures High shear stability maintains viscosity, prevent excessive thinning in high performance application Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life Application: Turbo Inboards Normalized SKU: 189558CAT2UPC Code: 808282390075
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra 5w-30 Semi-Synthetic FC-WCAT 5 Quart #18-9555-4
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5w-30 Semi-Synthetic FC-WCAT 5 Quart #18-9555-4 $54.14 $64.96
Sierra 18-9555-4 Oil & LubricantsSierra 5w-30 Semi-Synthetic FC-WCAT 5 Quart #18-9555-4Normalized SKU: 1895554UPC Code: 808282375843
Sold out -14% sale
Sierra 5w-30 Semi-Synthetic FC-WCAT 55 Gallon #18-9555-7
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5w-30 Semi-Synthetic FC-WCAT 55 Gallon #18-9555-7 $1,484.31 $1,721.80
Sierra 18-9555-7 Oil & LubricantsSierra 5w-30 Semi-Synthetic FC-WCAT 55 Gallon #18-9555-7Normalized SKU: 1895557UPC Code: 808282375881
Sold out NEW ARRIVAL -14% sale
Sierra Truck Freight - Not Qualified for Free Shipping Sierra 5W-30 Semi-Synthetic FC-WCAT 55 Gallon #18-9555CAT-7
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5W-30 Semi-Synthetic FC-WCAT 55 Gallon #18-9555CAT-7 $2,397.45 $2,781.04
Sierra 18-9555CAT-7 Oil & Lubricants Size: 55 Gallon (208L) Replaces: Honda, Indmar, Ilmor, PCM Semi-Synthetic ultra-high performance oil, utilizes premium base stocks & industry leading additives Meets and/or exceeds FC-W Catalyst and FC-W specifications Meets or exceeds API SM category requirements Enhanced detergent package to suspend and prevent sludge Reduces friction to maintain high performance Prevents thermal and oxidation breakdown under extreme temperatures High shear stability maintains viscosity prevent excessive thinning in high performance applications Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life Application: Non-Turbo Inboards Normalized SKU: 189555CAT7UPC Code: 808282390129
-17% sale
Sierra Qualifies for Free Shipping Sierra 5w-30 Semi-Synthetic FC-WCAT Quart #18-9555-2
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5w-30 Semi-Synthetic FC-WCAT Quart #18-9555-2 $12.32 $14.71
Sierra 18-9555-2 Oil & Lubricants Size: 1 Quart (946ml) Replaces: Honda, Indmar, Ilmor, PCM Semi-Synthetic ultra-high performance oil, utilizes premium base stocks & industry-leading additives Meets and/or exceeds FC-W Catalyst and FC-W specifications Meets or exceeds API SM category requirements Enhanced detergent package to suspend and prevent sludge Reduces friction to maintain high performance Prevents thermal and oxidation bread down under extreme temperatures High shear stability maintains viscosity prevents excessive thinning in high-performance applications Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life Application: Non-Turbo Inboards Normalized SKU: 1895552UPC Code: 808282375874
-20% sale
Sierra Qualifies for Free Shipping Sierra 5W-30 Semi-Synthetic Oil 5-Quart #18-9555CAT-4
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5W-30 Semi-Synthetic Oil 5-Quart #18-9555CAT-4 $75.68 $93.94
Sierra 18-9555CAT-4 Oil & Lubricants Size: 5 Quart (4.7L) Replaces: Honda, Indmar, Ilmor, PCM Semi-synthetic ultra-high-performance oil utilizes premium base stocks & industry-leading additives Meets and/or exceeds FC-W Catalyst and FC-W specifications Meets or exceeds API SM category requirements Enhanced detergent package to suspend and prevent sludge Reduces friction to maintain high performance Prevents thermal and oxidation bread down under extreme temperatures High shear stability maintains viscosity and prevents excessive thinning in high-performance applications Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life Application: Non-Turbo Inboards Normalized SKU: 189555CAT4UPC Code: 808282390112
-20% sale
Sierra Qualifies for Free Shipping Sierra 5W-30 Synthetic FC-WCAT 5 Quart Container #18-9558CAT-4 Sierra Qualifies for Free Shipping Sierra 5W-30 Synthetic FC-WCAT 5 Quart Container #18-9558CAT-4
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5W-30 Synthetic FC-WCAT 5 Quart Container #18-9558CAT-4 $91.22 $113.24
Sierra 18-9558CAT-4 Oil & Lubricants Size: 5 Quart (4.7L) Replaces: Yamalube, MerCruiser, Indmar, Mobile 1, Ilmor, Indmar, PCM, MasterCraft Ultra-high engine performance oil that utilizes premium base stocks and industry-leading additives Meets and/or exceeds FC-W Catalyst and FC-W specifications Meets or exceeds API SN category requirements Enhanced detergent package to suspend and prevent sludge Reduces friction to maintain high performance Prevents thermal and oxidation bread down under extreme temperatures High shear stability maintains viscosity and prevents excessive thinning in high-performance application Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life Application: Turbo Inboards Normalized SKU: 189558CAT4UPC Code: 808282390082
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra 5W-50 Full Synthetic HP Engine Oil Gallon #72-5104-3
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5W-50 Full Synthetic HP Engine Oil Gallon #72-5104-3 $48.27 $57.92
Sierra 72-5104-3 Oil & Lubricants Size: Gallon Off-Road Formulation-Suitable for ATV, UTV, &Dirt Bike Applications Designed for use in wet clutch applications Used in liquid or air-cooled engines Normalized SKU: 7251043UPC Code: 808282370657
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra 5W-50 Full Synthetic HP Engine Oil Quart #72-5104-2
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5W-50 Full Synthetic HP Engine Oil Quart #72-5104-2 $13.59 $16.22
Sierra 72-5104-2 Oil & Lubricants Size: Quart Off-Road Formulation-Suitable for ATV, UTV, &Dirt Bike Applications Designed for use in wet clutch applications Used in liquid or air-cooled engines Normalized SKU: 7251042UPC Code: 808282370640
-17% sale
Sierra Qualifies for Free Shipping Sierra 5W30 FC-W Semi-Synthetic Oil Quart #18-9555CAT-2
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 5W30 FC-W Semi-Synthetic Oil Quart #18-9555CAT-2 $17.05 $20.35
Sierra 18-9555CAT-2 Oil & Lubricants 5W30 FC-W Semi-Synthetic Oil Quart Bottle Normalized SKU: 189555CAT2UPC Code: 808282390105
Sold out -16% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" Air Condition Ducting Hose 20' Length #116-460-6000B $7.58 $8.92
Sierra 116-460-6000B Air Conditioning 6" Air Condition Ducting Hose 20' Length #116-460-6000B Sold by the box and priced by the foot. Must purchase complete box lengthAir Conditioning: AC Vent Hose Normalized SKU: 1164606000BUPC Code: 808282234249
Sold out -14% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" Corrosion Silicone Water/Exhaust 10' Length #116-262-6003 $1,424.43 $1,652.33
Sierra 116-262-6003 Exhaust HoseSierra 6" Corrosion Silicone Water/Exhaust 10' Length #116-262-6003Sierra 6" Corr. Silicone Water/Exhaust 10' Length #116-262-6003Normalized SKU: 1162626003UPC Code: 808282113759
Sold out -17% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" Corrosion Silicone Water/Exhaust 6' Length #116-262-6001 $974.60 $1,169.52
Sierra 116-262-6001 Exhaust HoseSierra 6" Corrosion Silicone Water/Exhaust 6' Length #116-262-6001Sierra 6" Corr. Silicone Water/Exhaust 6' Length #116-262-6001Normalized SKU: 1162626001UPC Code: 808282198138
-18% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" Double Hump Hose #116-274-6000 $706.68 $855.74
Sierra 116-274-6000 Hump Hose6" Double Hump Hose #116-274-6000Hose: Hump HoseSierra 6" Double Hump Hose #116-274-6000Normalized SKU: 1162746000UPC Code: 808282242480
Sold out -20% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" Double Hump Hose with clamps #116-274-6000KIT $432.93 $540.35
Sierra 116-274-6000KIT Hump Hose6" Double Hump Hose with clamps #116-274-6000KITHose: Hump HoseSierra 6" Double Hump Hose with clamps #116-274-6000KITNormalized SKU: 1162746000KITUPC Code: 808282115135
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra 6
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" EPDM 45 Degreeree Elbow with clamps #116-245-6000KIT $102.50 $127.24
Sierra 116-245-6000KIT ElbowsSierra 6" EPDM 45 Degreeree Elbow with clamps #116-245-6000KITSierra 6" EPDM 45 Degreeree Elbow with clamps #116-245-6000KITNormalized SKU: 1162456000KITUPC Code: 808282182830
Sold out -17% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" EPDM 45-Degree Elbow Elbow #116-245-6000-1 $48.72 $58.46
Sierra 116-245-6000-1 ElbowsSierra 6" EPDM 45-Degree Elbow Elbow #116-245-6000-1Normalized SKU: 11624560001UPC Code: 808282349356
-20% sale
Sierra Not Qualified for Free Shipping Sierra 6
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" EPDM 90-Degree Elbow #116-290-6000-1 $117.57 $145.94
Sierra 116-290-6000-1 Elbows I.D.: 6" or 152.4mm A: 7" or 177.8mm B: 7" or 177.8mm C: 2.25" or 57.15mm T: 0.25" or 6.35mm Elbow: Ribbed Normalized SKU: 11629060001UPC Code: 808282348939
Sold out -20% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra 6" EPDM 90-Degree Elbow with clamps #116-290-6000KIT $103.34 $128.29
Sierra 116-290-6000KIT ElbowsSierra 6" EPDM 90-Degree Elbow with clamps #116-290-6000KITSierra 6" EPDM 90 Degree Elbow with clamps #116-290-6000KITNormalized SKU: 1162906000KITUPC Code: 808282182922

Frequently Asked Questions

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!

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

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.

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.

Free Shipping

On most orders $149+ to the continental 48 US states.

Secure Shopping

Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

Support center

Need help? Contact us via live chat, phone, or email.

© 2026 First Choice Marine.