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4.3 · 23 reviews
SKU: 18587
STP

Premium 2-Cycle Oil with Fuel Stabilizer 40:1 and 50:1, 16 oz.

$12.99
Delivery by Oct 18
  • Free shipping over $25
  • Next-business-day ship
  • Easy returns
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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.

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Product facts

About This Item

  • Engineered with Anti-Wear Technology that provides excellent engine part lubrication
  • Contains antioxidants that help prevent thermal breakdown of oil caused by excessive heat that can lead to compromised lubricating properties
  • Formulated with detergents that help keep engine components clean and control carbon deposits to prevent ring sticking
  • Provides corrosion protection for 2-cycle air cooled engines
  • Fuel stabilizer provides fuel stability during infrequent use

Details

Product Description

STP Premium 2-cycle Oil with Fuel Stabilizer 40:1 and 50:1 meets JASO FD certification specifications and is scientifically formulated for outdoor power equipment to help maintain maximum engine performance. Engineered with anti-wear technology to help reduce friction, its premium formulation helps keep the fuel system clean and smoke exhaust low. Plus, it contains fuel stabilizer to keep fuel fresh during infrequent use. Convenient squeeze-and-dose bottle. Can be used with string trimmers, chainsaws, leaf blowers, and other air cooled 2-cycle gasoline powered small engines (refer to owner¿s manual). Based on available manufacturers¿ recommendation.

Brand

Brand Story

Three plain automotive oil filters standing on dark concrete

Since 1954

STP

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 STP
  • Heritage

    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 23 reviews

521
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30
20
10
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.

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.

S
Sam T.Verified Buyer
03/22/2025

Great quality

Exactly as described. Good value and I would order again.

R
Riley N.Verified Buyer
06/08/2025

No complaints

Quick delivery and the product exceeded my expectations.

M
Maria K.Verified Buyer
08/17/2025

Would buy again

Does what it is supposed to do. Happy with this purchase.

T
Ted R.Verified Buyer
02/03/2025

Works perfectly

Setup was simple and it has worked reliably since day one.

P
Pat M.Verified Buyer
11/28/2025

Better than expected

Reliable product and smooth buying experience on this site.

C
Chris W.Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

J
Jordan L.Verified Buyer
04/15/2025

Very happy with this

Packaging was secure and the item was in perfect condition.

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.

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.

S
Sam T.Verified Buyer
03/22/2025

Great quality

Exactly as described. Good value and I would order again.

R
Riley N.Verified Buyer
06/08/2025

No complaints

Quick delivery and the product exceeded my expectations.

M
Maria K.Verified Buyer
08/17/2025

Would buy again

Does what it is supposed to do. Happy with this purchase.

T
Ted R.Verified Buyer
02/03/2025

Works perfectly

Setup was simple and it has worked reliably since day one.

P
Pat M.Verified Buyer
11/28/2025

Better than expected

Reliable product and smooth buying experience on this site.

C
Chris W.Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

J
Jordan L.Verified Buyer
04/15/2025

Very happy with this

Packaging was secure and the item was in perfect condition.

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.

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.