Delo 400 XLE Synblend 15W40 Oil
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
 Walmart 90-day returns (in store too) | $20.62 | May 1, 2025, may have changed | Buy Now |
T Truegether Sold by MSM Automotive | $21.57 | May 1, 2025, may have changed | Buy Now |
B Boatplicity | $25.77 | May 1, 2025, may have changed | Buy Now |
E Explosive Powersports | $28.81 | May 1, 2025, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Pros
- •Affordable option for maintaining older vehicles.
- •Suitable for an older truck with higher oil consumption.
- •Provides reliable performance for non-daily driver applications.
- •Delivers improved mileage and significantly reduces engine noise.
- •Preferred over brands like Rotella and recommended by a mechanic.
- •Consistent and trustworthy quality observed with ongoing use.
- •Performs well under heavy-duty conditions and in hot weather.
- •Considered effective for Kenworth trucks with over 500,000 miles.
- •Semi-synthetic blend provides thicker viscosity for enhanced protection in older engines.
- •Provides effective mileage and engine protection, even at a lower price.
Cons
- •Product availability is becoming increasingly limited.
- •Requires a larger container size for convenience as vehicles may need more than one gallon.
- •Overall cost of oil is perceived as too high, despite being considered valuable.
- •Users with vehicles requiring more oil might find it inconvenient.
- •Might not satisfy users looking for a full synthetic oil option immediately.
Bottom Line
The Delo 257004470 400 XLE SAE Synblend Synthetic Blend Oil 15W40 is a strong choice for those seeking affordable and reliable engine protection, particularly for older, high-mileage, heavy-duty vehicles. With its consistent performance under tough conditions and mechanic recommendations, it's a trustworthy option for those who prefer thicker oil viscosity. However, its limited availability and container size concerns may cause inconvenience, so users requiring larger quantities should plan accordingly.
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Discussion
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