# AEOS-15W4-640 Synthetic 15W-40 Engine Oil, 5 Gal

Date: 2026-11-01

Canonical HTML URL: https://lubriloy.com/blog/aeos-15w4-640-synthetic-15w-40-engine-oil-5-gal

Engine oils · 2026-11-01

[Request a quote: AEOS-15W4-640](https://lubriloy.com/support?topic=quote&product=AEOS-15W4-640&message=Please%20quote%20AEOS-15W4-640%20Synthetic%20Automotive%20Engine%20Oil%2015W-40%2C%205%20gal.)

Lubri-Loy AEOS-15W4-640 is synthetic automotive engine oil, 15W-40, in the 5 gal size. This factory-order item belongs to the Automotive Engine Oil, Synthetic catalog category, with pricing by quote. Lubri-Loy's commitment to quality lubricants, blended in the USA since 1949, continues with this product. Request a quote directly from Lubri-Loy using the complete catalog number and size.

[View AEOS-15W4-640 Synthetic Automotive Engine Oil 15W-40, 5 gal / AEOS-15W4-640](https://lubriloy.com/support?topic=quote&product=AEOS-15W4-640&message=Please%20quote%20AEOS-15W4-640%20Synthetic%20Automotive%20Engine%20Oil%2015W-40%2C%205%20gal.)

## Product specification summary

- **Catalog No. / MFR #:** AEOS-15W4-640

- **Product:** Synthetic Automotive Engine Oil

- **Grade:** 15W-40

- **Size:** 5 gal

- **Availability:** Factory order

- **Pricing:** By quote

## Synthetic 15W-40 engine oil in the 5 gal size

AEOS-15W4-640 identifies the 5 gal offering of Lubri-Loy Synthetic Automotive Engine Oil, 15W-40. The catalog places it in the Automotive Engine Oil, Synthetic category.

Keep the complete catalog number and size together when preparing an order request. This post covers AEOS-15W4-640 in 5 gal, not another grade or package in the engine oil family.

## Lubri-Loy quality, blended in the USA since 1949

Lubri-Loy has been blending quality lubricants in the USA since 1949. That history reflects the company's continuing commitment to product quality.

When asking about this product, specify synthetic automotive engine oil, the 15W-40 grade and the 5 gal size. Request any additional information from Lubri-Loy rather than assuming details from a similar listing.

## Request a direct quote for AEOS-15W4-640

This is a factory-order item, with pricing supplied by quote. Contact Lubri-Loy ahead of your intended order to confirm pricing and timing for this exact product.

Use the quote form on lubriloy.com to buy directly from Lubri-Loy. The link includes catalog number AEOS-15W4-640, the 15W-40 grade and the 5 gal size.

[View AEOS-15W4-640 Synthetic Automotive Engine Oil 15W-40, 5 gal / AEOS-15W4-640](https://lubriloy.com/support?topic=quote&product=AEOS-15W4-640&message=Please%20quote%20AEOS-15W4-640%20Synthetic%20Automotive%20Engine%20Oil%2015W-40%2C%205%20gal.)

## Frequently asked questions

### Which product and size does this post cover?

Lubri-Loy Synthetic Automotive Engine Oil, 15W-40, catalog number AEOS-15W4-640, in the 5 gal size.

### How can I buy this product from Lubri-Loy?

Open the matching Lubri-Loy product page. Use Add to cart or Buy now when available, or Request a quote for quote-only products. Direct orders include free shipping within the US.

## Related product guides

- [AEOS-5W3-640 Synthetic 5W-30 Engine Oil, 5 Gal](https://lubriloy.com/blog/aeos-5w3-640-synthetic-5w-30-engine-oil-5-gal)

- [AEOS-15W4 Synthetic 15W-40 Engine Oil, 55 Gal](https://lubriloy.com/blog/aeos-15w4-synthetic-15w-40-engine-oil-55-gal)

Product identity, synthetic classification, 15W-40 grade, 5 gal size, factory-order status and quote pricing are limited to the supplied product facts.

[Matching product page](https://lubriloy.com/support?topic=quote&product=AEOS-15W4-640&message=Please%20quote%20AEOS-15W4-640%20Synthetic%20Automotive%20Engine%20Oil%2015W-40%2C%205%20gal.) · [All product guides](https://lubriloy.com/blog/product-guides)

[Request a quote: AEOS-15W4-640](https://lubriloy.com/support?topic=quote&product=AEOS-15W4-640&message=Please%20quote%20AEOS-15W4-640%20Synthetic%20Automotive%20Engine%20Oil%2015W-40%2C%205%20gal.)

Other ways to buy: [Buy on Motion](https://www.motion.com/products/sku/03510070)