DURAGARD® DIAMOND PLATE® 100% SYNTHETIC CK-4 5W40 Premium Low Emissions, 10.0 TBN Full Synthetic- API Certified CK-4/SN, – 5 GALLON PAIL

SKU: 188349

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Duragard® Diamond Plate® SAE 5W-40 API CK-4 Full Synthetic Engine Oil Duragard® Diamond Plate® SAE 5W-40 API CK-4 Full Synthetic...
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Storage Instructions

Dry Goods: Store in a cool, dry place away from direct sunlight and moisture. Seal the packaging tightly after each use to preserve freshness.

Perishables: Refrigerate immediately upon receiving to maintain optimal freshness. Follow the specific storage temperature guidelines mentioned on the packaging.

Frozen Items: Keep frozen until ready to use. Follow the thawing instructions on the package for best results.

All products come with a "Best Before" or "Use By" date printed on the packaging. Please consume before this date to ensure the best quality.

For fresh or refrigerated items, use within [number of days] of opening.

Shipping & Returns

All orders are processed within 1-3 business days.

Orders are not shipped or delivered on weekends or holidays.

Standard Shipping: 5-7 business days. Rates will be calculated at checkout.

Express Shipping: 2-3 business days. Rates will be calculated at checkout.

Delivery delays can occasionally occur due to unforeseen circumstances.

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Duragard® Diamond Plate® SAE 5W-40 API CK-4 Full Synthetic Engine Oil

Duragard® Diamond Plate® SAE 5W-40 API CK-4 Full Synthetic Engine Oil is engineered for extreme high-temperature and high-shear performance in heavy-duty diesel engines. It meets advanced specifications for 2017 and newer engines while remaining fully compatible with earlier models that previously used CJ-4 oils.

This advanced formulation enhances oxidation resistance for hotter engines, helping to reduce acid formation, control deposits, and maintain viscosity stability. It supports improved wear protection, consistent lubrication, and reliable performance under demanding operating conditions.

Performance Features

  • High-temperature oxidation stability
  • Superior high-shear viscosity control
  • Improved engine cleanliness
  • Effective foam suppression

Engine Benefits

  • Reduces wear and friction
  • Minimizes sludge and deposits
  • Controls viscosity increase
  • Supports longer engine durability

Compatibility

Designed for modern heavy-duty diesel engines requiring API CK-4 performance and fully backward compatible with engines that previously used CJ-4 oils.

Product Specifications

Product Type Full Synthetic Engine Oil
Viscosity Grade SAE 5W-40
API Specification CK-4
Engine Compatibility 2017+ engines, backward compatible with CJ-4
Performance Type High-temp, high-shear stability
Protection Features Oxidation resistance, wear control, deposit reduction
Foam Control Excellent
SKU# 188349

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