Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz
Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz
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Sea Foam

Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz

6,652 ratings
Sea Foam SF16 Motor Treatment Automotive Additive, 16 ozSea Foam SF16 Motor Treatment Automotive Additive 16 oz24 pack Sea Foam SF16 Motor Treatment Automotive Additive 16 oz6 pack Sea Foam SF16 Motor Treatment Automotive Additive 16 oz12 pack Sea Foam SF16 Motor Treatment Automotive Additive 16 oz2 pack Sea Foam SF16 Motor Treatment Automotive Additive 16 oz
Pack SizeSingle

Key item features

  • Fuel System Cleaning: Cleans fuel injector and carburetor passageways for improved engine performance.
  • Intake Valve Maintenance: Effectively cleans intake valves and chamber deposits to ensure optimal engine function.
  • Upper Cylinder Lubrication: Lubricates upper cylinders to reduce wear and extend engine life.
  • Crankcase Oil Treatment: Works in crankcase oil to liquefy harmful residues and deposits, maintaining engine cleanliness.
  • Fuel Stabilization: Stabilizes gas and diesel fuels for up to 2 years, preventing fuel degradation.
  • Versatile Compatibility: Suitable for any gas or diesel fuel blend and all motor oils, both conventional and synthetic.
  • Easy Application: Simple pour-in application for hassle-free use in both fuel and oil systems.
  • Lightweight Design: Assembled product weight is 1.05 lbs, making it easy to handle and store.
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Customer ratings & reviews

4.8 out of 5 stars
stars
6,652 ratings3,235 reviews
How item rating is calculated
  1. 5 stars90% (5,983)
  2. 4 stars7% (434)
  3. 3 stars2% (109)
  4. 2 stars1% (35)
  5. 1 star1% (91)

Reviews summary

Pros

  • : Helps engines run more efficiently in various vehicles.
  • : Simple to pour into gas tank or oil crankcase.
  • : Cleans fuel systems, injectors, and carburetors.
  • : Offers competitive pricing compared to other retailers.
  • : The additive removes carbon and clears injectors.

Neutral

  • : Can be smooth, but may still exhibit roughness.
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Showing 1-3 of 3,235 reviews

Oct 9, 2026
Reviewer name: Paul
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good stuff!

Classic fuel treatment, has been around forever. I used it in my V8 powered ski boat, and have no complaints. I bought a multi-pack so I always have it in stock in my shop.

Helpful?3LALJWLOZO2D16664932
Sep 20, 2026
Reviewer name: Walmart customer
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great fuel additive!

Great treatment for old gasoline!

Helpful?3LALJWLOZO2D16664932
Jul 19, 2026
Reviewer name: James
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

best available says 55 yr. mechanic.

55 year master mechanic here. finest, most thorough fuel system cleaner, gentle clean that lubricates and protects. also preserves fuel for prolonged downtime up to a year.

Helpful?3LALJWLOZO2D16664932
Current price is $8.4853.0 ¢/fl oz
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