Duragard® Diamond Plate® 100% SYNTHETIC CK-4 5W40 Premium Low Emissions, 10.0 TBN Full Synthetic- API Certified CK-4/SN – 2.5 GALLON JUG – SINGLE

SKU: 188348

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Duragard® Diamond Plate® SAE 5W-40 API CK-4 Full Synthetic Engine Oil Built for demanding heavy-duty applications, Duragard® Diamond Plate® SAE...
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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

Built for demanding heavy-duty applications, Duragard® Diamond Plate® SAE 5W-40 API CK-4 Full Synthetic Engine Oil delivers reliable performance in extreme operating conditions. It meets advanced requirements for modern diesel engines while maintaining full backward compatibility with earlier engine models.

Its advanced formulation provides superior protection against heat, stress, and wear. Designed for consistent lubrication under high loads, it helps maintain engine cleanliness, reduce deposits, and enhance overall durability.

Performance Highlights

  • High-temperature oxidation control
  • Stable viscosity under heavy load
  • Enhanced shear stability
  • Reliable foam suppression

Engine Protection

  • Reduces wear and friction
  • Controls sludge and deposits
  • Minimizes acid formation
  • Supports longer engine life

Application

Suitable for heavy-duty diesel engines operating in high-stress environments. Designed for both modern engines requiring CK-4 performance and older engines previously using CJ-4 oils.

Product Specifications

Product Type Full Synthetic Engine Oil
Viscosity Grade SAE 5W-40
API Rating CK-4
Engine Compatibility 2017+ engines, backward compatible with CJ-4
Performance Focus High-temp & high-shear stability
Key Benefits Wear protection, oxidation control, deposit reduction
Foam Control Excellent
SKU# 188348

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