STP Fuel System Cleaners

4 STP fuel system cleaners.

STP

+Cleans fuel injectors and intake valves

+Fixes fuel intake and exhaust system issues

+12 fl oz capacity treats a single tank

−Small 12 fl oz capacity for larger tanks

No price recorded yet.

STP

12-Pack

+Treats 21 gallons of fuel per bottle

+Sold as a 12-pack of 5.25 fluid ounce bottles

+Designed to remove water from fuel

No price recorded yet.

STP

12 oz

+Holds 12 oz of fuel system cleaner

+Deep cleans the entire fuel system

+Cleans fuel injectors

No price recorded yet.

STP

12-Pack

+Sold as a 12-count pack

+Listed for high mileage engines

+Includes upper cylinder lubricant

No price recorded yet.

STP Fuel System Cleaners at a glance

4 of the 49 Fuel System Cleaners we list are STP (8%).

Counts and prices are this site's own listings; prices are the ones shown on the cards.

Pack size	Spec score	Price
	n/a	No current price
12-Pack	n/a	No current price
	n/a	No current price
12-Pack	n/a	No current price

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.