E
Emma S.Verified Buyer
12/14/2025
Exactly what I needed
Easy to order and arrived quickly. Product matched the listing and works great.
STP2 pk Super Concentrated Fuel Injector Cleaner 12fo
$12.99
Delivery by Oct 18
- Free shipping over $25
- Next-business-day ship
- Easy returns
Guides & Resources
Product guides for this item are not available online yet. Contact us if you need documentation.
Shipping Information
Free shipping on orders over $25. Most items ship next business day after your order is placed.
Returns Policy
Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.
Product facts
About This Item
- Save gas by cleaning dirty fuel injectors
- Restore performance
- Remove deposits
Details
Product Description
STP Super Concentrated Fuel Injector Cleaner contains concentrated detergents that help dissolve and remove harmful carbon, gum, and varnish deposits on fuel injectors. Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling. This product is made with jet fuel, a high-quality carrier of active ingredients.
Brand
Brand Story
Since 1954
Oil filters
STP
An oil-additive brand from St. Joseph, Missouri
STP introduced its first oil treatment in 1954 in St. Joseph, Missouri. The name stands for Scientifically Treated Petroleum. The lineup includes oil and fuel additives plus oil and air filters, with selected STP products sold at District Mailing Auto.
Shop STPHeritage
1954
The first STP oil treatment was introduced in St. Joseph, Missouri, in 1954.
Lineup
Additives and filters
The brand covers oil additives, fuel additives, oil filters, and air filters.
Storefront
At District Mailing Auto
Shop the STP products currently in the catalog.
Customer Reviews
4.3
Based on 3 reviews
D
Dana H.Verified Buyer
10/02/2025
Solid purchase
Quality feels premium and it fits my needs well.
A
Alex P.Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.