# Amsoil 100% Synthetic Diesel Oil Max Duty Protection SAE 15W-40 Signature Series (3.78l)

The **Amsoil 100% Synthetic Diesel Oil Max Duty Protection SAE 15W-40 Signature Series (3.78L)** delivers exceptional engine protection and performance for diesel engines. Made in the USA, this premium synthetic oil is engineered for durability, cleanliness, and efficiency, perfect for both heavy-duty commercial vehicles and everyday diesel cars in Pakistan.

-   ✅ **Maximum Wear Protection:** Provides superior film strength and prevents metal-to-metal contact under extreme pressure.
-   ✅ **Thermal Stability:** Resists oxidation and maintains viscosity in high-temperature environments like Pakistan’s climate.
-   ✅ **Extended Drain Intervals:** Designed for long-lasting oil life; suitable for fleet and heavy-use vehicles.
-   ✅ **Cleaner Engine Operation:** Keeps soot and deposits under control, ensuring smoother performance and reduced maintenance.
-   ✅ **Fuel Efficiency:** Reduces friction and improves energy efficiency for better mileage and lower running costs.

### 🛠️ How to Use

1.  **Check Compatibility:** Ensure your vehicle’s manual specifies SAE 15W-40 diesel engine oil.
2.  **Drain Old Oil:** Warm up the engine slightly, then remove the drain plug and let the old oil flow out completely.
3.  **Refill with Amsoil 15W-40:** Pour the recommended quantity of Amsoil Signature Series oil carefully into the engine.
4.  **Check Levels:** Use the dipstick to confirm proper oil level and ensure no leaks before starting the engine.

### 🚗 Compatibility

-   ✔️ Toyota Hilux Revo, Fortuner (Diesel variants)
-   ✔️ Isuzu D-Max, JAC T9, and other 4x4 pickups
-   ✔️ Nissan Patrol Diesel, Mitsubishi L200
-   ✔️ Heavy-duty trucks and buses (Hino, Isuzu, FAW)
-   ✔️ Suitable for fleet operators, agricultural machinery, and generators

Built for Pakistan’s demanding conditions, this Amsoil Signature Series 15W-40 Diesel Oil ensures long-term protection, improved efficiency, and unmatched reliability.

## Details

- **Price:** 16000.0 PKR
- **Tags:** Amsoil, Engine Oil

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 16000.00 PKR | In stock |

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> Source: [Automize](https://automize.pk/products/amsoil-diesel-oil-sae-15w-40-signature-series-3_78l)
> Updated: 2026-07-10