Duragard Diamond Plate CK-4 15W40 Premium Low Emissions, 10.0 TBN Synthetic Blend – API Certified CK-4/SN – 265 GALLON TOTE

SKU: 188341

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Duragard® Diamond Plate® SAE 15W-40 API CK-4 Synthetic Blend Engine Oil Duragard® Diamond Plate® SAE 15W-40 API CK-4 Synthetic Blend...
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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

Duragard® Diamond Plate® SAE 15W-40 API CK-4 Synthetic Blend Engine Oil is a high-performance heavy-duty engine oil engineered for modern diesel engines. It is designed to deliver superior protection under high temperature, high load conditions while maintaining compatibility with older engines previously using CJ-4 specifications.

Key Performance Features

  • High temperature high shear (HTHS) stability
  • Advanced oxidation resistance for longer engine life
  • Reduced deposit and sludge formation
  • Improved wear protection under extreme load
  • Enhanced foam control and viscosity stability

Benefits

  • Extended engine durability
  • Cleaner engine operation
  • Reduced oil breakdown
  • Stable performance in severe conditions
  • Improved fuel efficiency support

Applications

  • 2017 and newer heavy-duty diesel engines
  • Older engines using CJ-4 specification
  • On-highway trucking operations
  • Off-highway industrial and construction equipment
  • High-load and high-temperature environments

Technical Specifications

Property Details
Product Type Synthetic Blend Heavy Duty Engine Oil
Viscosity Grade 15W-40
API Classification CK-4
Compatibility CJ-4 and older diesel engines
Performance Focus Oxidation Protection & Wear Resistance
SKU# 188341

Engine Protection Technology

Formulated for severe-duty applications, this oil delivers strong protection against thermal breakdown, oxidation, and wear while maintaining stable viscosity and engine cleanliness under demanding operating conditions.

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