Cortec M-529 - Oil Based Corrosion Inhibitor for Lubricating Oils - 5 Gal Pail
SKU: 9724883894

Cortec M-529 - Oil Based Corrosion Inhibitor for Lubricating Oils - 5 Gal Pail

Sale price$328.50 Regular price$365.00
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Cortec M-529 - Oil Based Corrosion Inhibitor for Lubricating Oils - 5 Gal PailKey Features: Anti rust oil additive for lubricating oils. Can be diluted in most mineral and synthetic oils. Prevents rust on engines during storage. When added at recommended concentration, does not affect pour point and viscosity at low temperatures. Suitable for both operating and intermittent use conditions. Description: Cortec M 529 is a unique oil additive which effectively prevents corrosion of engines during storage and at the same time

Key Features:

  • Anti-rust oil additive for lubricating oils.
  • Can be diluted in most mineral and synthetic oils.
  • Prevents rust on engines during storage.
  • When added at recommended concentration, does not affect pour point and viscosity at low temperatures. 
  • Suitable for both operating and intermittent use conditions.

Description:
Cortec® M-529 is a unique oil additive which effectively prevents corrosion of engines during storage and at the same time decreases high-temperature oxidation and wear of metal in working engines. 

Cortec® M-529 is an oil-based package of corrosion inhibitors for lubricating oils. It is effective for mineral and synthetic based oils: naphthenic, iso-paraffinic, PAOs, etc.
Does not contain hazardous barium, chromates, nitrites or phosphate-based inhibitors. Provides protection in the presence of chlorides. 

Packaging:
Available in 5 gallon (19 liter) pails. The product should be sealed before storage. Contact Us to get a quote for this product in drums.

Dilution:
For lubricating oil systems in intermittent operations, add M-529 to oil at a concentration of 2-5% by weight.

How to Use:
The product is compatible with most mineral and synthetic oils and is suitable for both operating and intermittent use conditions. When added at the recommended concentration to fluids, does not affect pour point and viscosity at low temperatures.

Typical Applications:
M-529 protects ferrous and non-ferrous metals. Effectively prevents corrosion of engines. Carbon steel was tested in extreme humidity, with M-529 as an additive according to ASTM D-1748 and corrosion resistance was provided for 480 hours. Protects carbon steel, stainless steel, galvanized steel, aluminum, brass, copper and bronze.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9724883894

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MIKE PERKS
West Palm Beach, US
★★★★★ 5
Amazon makes it so easy
Perfect fit, exact replacement part.
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Reviewed in the United States on May 13, 2026
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TMC
Fort Morgan, US
★★★★★ 5
Reliable and well priced
Works very well in my Cub Cadet XT1
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Reviewed in the United States on May 20, 2026
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Jim Chapman
Boise, US
★★★★★ 5
Installed them works good.
Value for the money.
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Reviewed in the United States on March 10, 2026
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Big Earl
Lowell, US
★★★★★ 5
Good Plug if you need this model
These are the OEM for Kohler 7000 series I did service on. They needed to be gapped but that’s every spark plug.
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Reviewed in the United States on May 19, 2026
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Kandace Dewberry
Fort Morgan, US
★★★★★ 4
Plugs
They are sparkling plugs. They spark. Very slow on delivery.
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Reviewed in the United States on March 30, 2026

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