Engine Oil Additives & Stop Leak

Oil stabilizers, ZDDP zinc supplements for flat-tappet engines, seal conditioners for small leaks and stiction cleaners for sticky injectors and lifters. Liqui Moly, Lucas, Hot Shot's Secret and Marvel Mystery Oil are the names most people come looking for.

Sidebar

Departments

Explore North Trail Auto Accessories

Filter
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old

Oil stabilizers, ZDDP zinc supplements for flat-tappet engines, seal conditioners for small leaks and stiction cleaners for sticky injectors and lifters. Liqui Moly, Lucas, Hot Shot's Secret and Marvel Mystery Oil are the names most people come looking for.

55 products in stock from 26 brands, priced from $50.73 to $294 CAD. Every order ships free to any Canadian address, priced in CAD with no minimum.

Brands in Engine Oil Additives & Stop Leak

Related collections

Fitment and specification details on each product page come from the manufacturer. Check them against your vehicle before ordering. See all categories, brands and vehicles.

Frequently asked questions

Do you ship Engine Oil Additives & Stop Leak products across Canada?

Yes. Shipping is free to every Canadian province and territory, with no minimum order value. Orders are dispatched within one business day and prices are shown in Canadian dollars.

How many Engine Oil Additives & Stop Leak products do you stock?

This collection currently holds 55 products from 26 brands, including Hot Shot's Secret, Lucas Oil, Liqui Moly. Prices run from $50.73 to $294 CAD.

How do I know a part will fit my vehicle?

Each product page lists the fitment details supplied by the manufacturer: year, make, model or universal fit. Check those against your vehicle before ordering, and email us if a listing is unclear.

What is your return policy?

You have 30 days from delivery to return an unused item in its original packaging for a refund. Faulty or incorrect items are replaced or refunded in full, including return postage.