Sea Foam Marine Pro Fuel Treatment for Marine Engines, 20 oz
Sea Foam Marine Pro Fuel Treatment for Marine Engines, 20 oz
Hero image 0 of Sea Foam Marine Pro Fuel Treatment for Marine Engines, 20 oz, 0 of 6

Sea Foam Marine Pro Fuel Treatment for Marine Engines, 20 oz

4.8 stars out of 337 reviews
(4.8)|
337 ratings
Pack Size:Single

Key item features

  • Comprehensive Cleaning: Add to fuel to clean fuel injectors and carburetor jets
  • Engine Lubrication: Cleans and lubricates critical upper engine areas
  • Wear Reduction: Helps reduce long-term engine wear
  • Corrosion Prevention: Helps prevent corrosion caused by ethanol and water
  • Fuel Stabilization: Stabilizes tank fuel up to 2 years
  • Universal Compatibility: Safe for all 2- and 4-stroke gasoline marine engines, inboard & outboard
  • Lightweight Design: Assembled Product Weight: 1.09 lb
Generated by AI
Current price is Now $13.93
You save $3.06
was $16.99
69.7 ¢/fl oz
Price when purchased online
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $13.93
One-time purchase $13.93

How do you want your item?

Try 30 days of Free Shipping with Walmart+! Choose plan at checkout.
How do you want your item?
Columbus, 43215
Arrives by Tomorrow
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible

More seller options (12)

Starting from $22.03
walmart plus

Get free delivery, shipping and more*

*Restrictions apply
Try Walmart+ now

About this item

Product details

Specifications

Warranty

Warnings

Frequently bought together

Sea Foam Marine Pro Fuel Treatment for Marine Engines, 20 oz $13.93 Was $16.99 69.7 ¢/fl oz

Sea Foam Marine Pro Fuel Treatment for Marine Engines, 20 oz
current price Now $13.93, Was $16.99
69.7 ¢/fl oz

Sea Foam Marine Pro Fuel Treatment for Marine Engines, 20 oz

4.8 out of 5 Stars. 337 reviews

Best seller Equate Nitrile Exam Gloves, One Size Fits Most, 50 Count $8.47 16.9 ¢/ea

Best seller
Equate Nitrile Exam Gloves, One Size Fits Most, 50 Count
current price $8.47
16.9 ¢/ea

Equate Nitrile Exam Gloves, One Size Fits Most, 50 Count

4.7 out of 5 Stars. 1564 reviews

1000+ bought since yesterday Great Value Lemon Scent Disinfecting Wipes, 75 Count, 1 Lbs, 5.5 oz $3.77 $5.03/100 ct

1000+ bought since yesterday
Great Value Lemon Scent Disinfecting Wipes, 75 Count, 1 Lbs, 5.5 oz
current price $3.77
$5.03/100 ct

Great Value Lemon Scent Disinfecting Wipes, 75 Count, 1 Lbs, 5.5 oz

4.8 out of 5 Stars. 19352 reviews

Best seller Rechargeable LED Work Light 12000mAh, 10000LM Portable Magnetic Work Light 320 LED, 4 Modes, Adjustable Stand for Mechanics, Camping, Fishing, Car Repair, Emergency Light for Power Outage $26.99 Was $79.99

Best seller
Rechargeable LED Work Light 12000mAh, 10000LM Portable Magnetic Work Light 320 LED, 4 Modes, Adjustable Stand for Mechanics, Camping, Fishing, Car Repair, Emergency Light for Power Outage
current price Now $26.99, Was $79.99

Rechargeable LED Work Light 12000mAh, 10000LM Portable Magnetic Work Light 320 LED, 4 Modes, Adjustable Stand for Mechanics, Camping, Fishing, Car Repair, Emergency Light for Power Outage

4.6 out of 5 Stars. 246 reviews
Current price is
$53.16
was $109.22
Items may be delivered on different dates

Customer ratings & reviews

4.8 out of 5 stars
stars337 ratings250 reviews
How item rating is calculated

Reviews summary

Pros
  • : Offers affordable fuel system maintenance options.
  • : Provides easier starts and smoother operation.
  • : Used in various types of vehicles with internal combustion.
  • : Helps maintain performance and resolves issues.
  • : Prevents fuel spoilage and keeps it fresh.
Neutral
  • : Can be smooth, but may be rough in some cases.
Generated by AI

Customer images

  • +48 images
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 250 reviews

Sep 13, 2025
Walmart customer
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Seaaaaaaafoam!

Always dump a can in before winterizing my jet ski. Stabilizes the fuel and helps it start up first time every year.

Helpful?401BNF0WNWMH558344202
Dec 20, 2025
Christine
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

great product

Easy to use and recommended by my mechanic.

Helpful?401BNF0WNWMH558344202
Nov 2, 2025
maninthekitchen
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

been using for years

i use seafoam in all my small engines , keeps fuel fresh, helps clean carb

Helpful?401BNF0WNWMH558344202