STP Engine Stop Leak 14.5oz

STP Engine Stop Leak 14.5oz

Part Number: 66255
Alternate Part Number: ST-1012
Not Available
Not Available
Start earning AutoZone Rewards credits with this purchase!
Find Out How
Hot Deals & Savings
FREE Shipping
On orders $35 or Greater and FREE Shipping to APO, FPO, DPO addresses. See Details
Features & Benefits

Rejuvenates seals and gaskets. Over time, normal engine operation can lead to oil leaks. These occur because heat can cause oil seals and gaskets to shrink, dry out and crack.

  • Formulated to stop minor oil leaks
  • Fortifies oil with viscosity enhancers
  • Trusted performance from STP
  • Prevents gasket shrinking, dry-out and cracking
Product Details
Part Number: 66255
Weight: 0.95lbs
Type: Engine Oil Stop Leak
Container Type: Plastic bottle
Flash Point (°F): 275
Oil Composition: Mineral
Package Size (oz): 14.5
Pour Point: 0
Recommended Application: Engine Treatment
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
MSDS Information: Click to View
Core Parts Battery Icon

Core Parts

Return core parts to the store to be refunded the price.

Core Parts Policy
Next Day Truck Icon

Free Shipping

Orders $35 or greater, includes APO, FPO, DPO addresses.

Get More Details
Return Anywhere Box Icon

Return Anywhere

Buy Online, Return Anywhere

Get More Details
BOPUS Clock Icon

Same-Day Store Pickup

Save time by buying online and picking up items in store.

Learn More® ©2001- 2020  AutoZone, Inc. All Rights Reserved.