These products are the backlog of dealers in our warehouse, and now it has reached the contract period, and the products have not been processed in time. Our warehouse has the right to sell these stocks at a low price to reduce our losses

💪 Heavy Duty Protection
Mobil Delvac 1300 offers robust wear protection for heavy-duty diesel engines, helping extend engine life and reduce maintenance costs.

🔥 Synthetic Blend Performance
Blends synthetic and advanced base stocks to deliver better oxidation stability and longer service life than conventional oils.

🛡 Deposit & Sludge Defense
Helps keep critical engine parts cleaner by fighting deposits and reducing sludge buildup over time.

⛽ All-Season Versatility
Works across a wide range of temperatures and operating conditions — ideal for on-highway and off-highway use.

⚙️ Balanced Viscosity
15W-40 viscosity offers dependable cold start performance and stable protection at higher operating temperatures.

🔧 Trusted Brand History
Mobil Delvac is a name diesel operators trust around the world — engineered for professional fleets and serious performance.

Specifications

• Brand: Mobil

• Product: Delvac 1300 Super Heavy Duty Diesel Engine Oil

• Viscosity: 15W-40

• Type: Synthetic Blend Diesel Engine Oil

• Volume: 5 Gallons (18.9 L)

• Suitable For: Heavy-duty diesel engines in trucks, buses, farm equipment, construction machinery, generators

• Engine Protection: Wear, deposits, oxidation control

• Performance Standards: Meets or exceeds key OEM and industry requirements for modern diesel engines

• Operating Range: Effective across a wide range of climates and driving conditions

What's Included

✔ 1 × 5 Gallon Pail of Mobil Delvac 1300 15W-40 Diesel Engine Oil
✔ Easy-Pour Handle & Sealed Lid

Customer Reviews 

⭐ ⭐ ⭐ ⭐ ⭐
“This oil makes my truck run smoother and cleaner. Great protection even under heavy hauling.”

⭐ ⭐ ⭐ ⭐ ⭐
“Excellent diesel oil for our fleet. Keeps engines cleaner and holds up well on long miles.”

⭐ ⭐ ⭐ ⭐ ⭐
“Mobil Delvac delivers what it promises — consistent performance and strong wear protection.”

Costco constantly refreshes its warehouses with new seasonal items, and we snap up the previous season's overstock the moment it gets pulled from shelves—your gain!