---
product_id: 23748400
title: "306 Supreme Formula Engine Oil 15w40 Gal."
brand: "swepco"
price: "37395 som"
currency: KGS
in_stock: true
url: https://www.desertcart.kg/products/23748400-306-supreme-formula-engine-oil-15w40-gal
store_origin: KG
region: Kyrgyzstan
---

# Extended drain service approved - longer oil life Exceeds API CI-4/SL - superior soot handling 15W-40 Viscosity - optimal engine protection 306 Supreme Formula Engine Oil 15w40 Gal.

**Brand:** swepco
**Price:** 37395 som
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your ride with 306 Supreme – where performance meets longevity!

## Quick Answers

- **What is this?** 306 Supreme Formula Engine Oil 15w40 Gal. by swepco
- **How much does it cost?** 37395 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/23748400-306-supreme-formula-engine-oil-15w40-gal)

## Best For

- swepco enthusiasts

## Why This Product

- Trusted swepco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Soot Control:** Exceeds API CI-4/SL standards for cleaner, longer-lasting engine operation.
- • **Extended Drain Intervals:** Manufacturer-approved for longer oil change cycles, saving time and money.
- • **Premium Paraffinic Base Stocks:** High VI solvent-extracted base oils deliver superior thermal stability and wear resistance.
- • **Engineered for Peak Performance:** DIMONYL-enhanced formula ensures maximum engine efficiency and protection.
- • **Versatile Vehicle Compatibility:** Perfect for buses, trucks, cars, scooters, and even lawn mowers.

## Overview

306 Supreme Formula Engine Oil 15W-40 is a high-performance lubricant featuring DIMONYL and premium paraffinic base stocks. It surpasses major engine manufacturer specs and API CI-4/SL requirements, offering superior soot handling and extended drain intervals. Ideal for a wide range of vehicles, it ensures enhanced engine protection and efficiency.

## Description

306 Supreme Formula Engine Oil 15w40 Gal.

## Features

- Contains DIMONYL
- High VI solvent extracted paraffinic base stocks
- Exceeds most major engine manufacturers recommendations
- Exceeds API CI-4/SL Requirements For Superior Soot Handling & Improved Performance In New EGR Engine Designs
- Manufacturer Approved for Extended Drain Service

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Viscosity | 15W-40 |
| Brand | Swepco |
| Vehicle Service Type | Bus, Car, Lawn Mower, Scooter, Truck |
| Manufacturer | Swepco |
| Size | 1 Gallon |
| SAE J300 Viscosity Grade | 15W-40 |
| Item Weight | 7.7 pounds |
| Package Dimensions | 10.24 x 7.01 x 4.61 inches |
| Item model number | 306 15W40 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 306 15W40 |

## Product Details

- **Viscosity:** 15W-40
- **Brand:** Swepco
- **Liquid Volume:** 40 Gallons
- **Package Information:** Can
- **Vehicle Service Type:** Bus, Car, Lawn Mower, Scooter, Truck

## Images

![306 Supreme Formula Engine Oil 15w40 Gal. - Image 1](https://m.media-amazon.com/images/I/31RMgH2OMUL.jpg)

## Frequently Bought Together

- 306 Supreme Formula Engine Oil 15w40 Gal.
- 306 Supreme Formula Engine Oil 15w40 Qt.

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---

*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-02-22*