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

4.8 stars out of 5499 reviews
(4.8)|
5,499 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 Size:Single

Key item features

  • Comprehensive Cleaning: Cleans fuel injector & carburetor passageways, intake valves, and chamber deposits.
  • Enhanced Lubrication: Lubricates upper cylinders for smoother engine operation.
  • Residue Removal: Works in crankcase oil to liquefy harmful residues & deposits.
  • Fuel Stabilization: Stabilizes gas & diesel fuels for up to 2 years.
  • Versatile Use: Suitable for any gas or diesel fuel blend and all motor oils, both conventional & synthetic.
  • Easy Application: Simple pour-in application for hassle-free use.
  • Lightweight Design: Assembled product weight is 1.05 lbs.
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Customer ratings & reviews

4.8 out of 5 stars
stars5,499 ratings3,110 reviews
How item rating is calculated
  1. 5 stars90% (4,965)
  2. 4 stars7% (358)
  3. 3 stars1% (81)
  4. 2 stars0% (20)
  5. 1 star1% (75)

Reviews summary

Pros
  • : Enhances engine power and efficiency.
  • : Increases by a few miles per gallon.
  • : Available at a lower cost than other retailers.
  • : Keeps engines running smoothly and efficiently.
  • : Effectively prevents deposits and keeps fuel fresh.
Neutral
  • : Can be smooth, but may not always eliminate rough idling issues.
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Showing 1-3 of 3,110 reviews

May 6, 2021
GZRBUTLER
5 out of 5 stars review

Verified Purchase

You wont be sorry

Wait for Empty gas light to come on, add it to your tank, drive around block to mix it, let it sit overnight, AM fill up. I do this every 4-5 tanks. Own two 97 4runners, the baby has 185k, the other 307k. Never a problem with anything in fuel system. Both run like new, just do your regular maint and this and your set.

Helpful?3LALJWLOZO2D16664932
May 8, 2024
Joe
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Great product

I followed directions on the can and added 6 ounces of product in my motorcycle. After running it through my bike starts easier and feels more powerful. I also ordered a second can to use in my Subaru to make it run better and it is.

Helpful?3LALJWLOZO2D16664932
Nov 1, 2025
Steven
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

GOOD STUFF

11/1/2025 As long the 16oz. bottle remains at the current price, unbeatable. More cost effective than the 20oz. I use it in an old RV. I got a check engine light for "left bank running lean" ? whatever that means. So I bought a buttload of this stuff, (75 gal. tank), cleaned the thottlebody with the SEAFOAM SS14 spray, replaced the MAP sensor and fuel filter. Ultimately I got the CE light to stay off (using a code reader from Harbor freight) and have been periodically running Seafoam ever since. Since the RV is only driven a couple thousand miles a year, the Seafoam also claims to be a fuel stabilizer while it is sitting between trips. I've considered using the MUCH CHEAPER SUPERTECH version, but my limited research tell me the SEAFOAM is probably safer.

Helpful?3LALJWLOZO2D16664932