Duragard Diamond Plate CK-4 15W40 Premium Low Emissions, 10.0 TBN Synthetic Blend – API Certified CK-4/SN – CASE OF 3 – 1 GALLON JUGS

SKU: 188346

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Duragard® Diamond Plate® SAE 15W-40 API CK-4 Synthetic Blend Engine Oil High-temperature, high-shear synthetic blend engine oil engineered for modern...
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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 15W-40 API CK-4 Synthetic Blend Engine Oil

High-temperature, high-shear synthetic blend engine oil engineered for modern heavy-duty diesel engines with enhanced durability and protection.

Key Benefits

  • Advanced oxidation resistance
  • Reduced wear and deposit formation
  • Improved shear stability
  • Enhanced foam control
  • Optimized for high-temperature engines

Applications

  • 2017 and newer heavy-duty diesel engines
  • Mixed fleet diesel operations
  • On-highway trucking
  • Off-highway industrial equipment
Technical Specifications
SAE Grade 15W-40
API Classification CK-4
Base Type Synthetic Blend
High Temperature Stability Excellent
Oxidation Protection Enhanced
Wear Protection High Performance
Foam Control Optimized
Compatibility CJ-4 and earlier engines
SKU# 188346

Performance Overview

Designed to maintain stability under extreme heat and pressure, ensuring long engine life, reduced deposits, and consistent lubrication performance.

Engine Protection

Provides superior resistance to oxidation and acid formation while maintaining viscosity stability in demanding operating conditions.

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