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🛢️ Power your diesel with the future of engine oil — don’t let your rig miss out!
Delo 400 XLE 15W-40 Synblend Diesel Engine Oil is a premium heavy-duty lubricant featuring ISOSYN Advanced Technology for superior wear protection, long drain intervals, and excellent emission system compatibility. Designed for modern diesel engines including 2017 GHG17 compliant models, it ensures optimal engine cleanliness, turbocharger protection, and cold weather performance, maximizing uptime and minimizing maintenance costs.







| ASIN | B07L1F876S |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #5,159 in Automotive ( See Top 100 in Automotive ) #87 in Motor Oils |
| Brand | Chevron |
| Brand Name | Chevron |
| Compatible with Vehicle Type | Bus, Truck |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 1,156 Reviews |
| Global Trade Identification Number | 00023968377311 |
| Included Components | 1 Gallon oil |
| Item Type Name | Heavy Duty Diesel Engine Oil |
| Item Weight | 7 pounds |
| Liquid Volume | 1 gallons |
| Manufacturer | Chevron |
| Manufacturer Part Number | 257004470 |
| Manufacturer Warranty Description | See manufacturer's warranty |
| Model Number | 257004470 |
| Number of Packs | 1 |
| Package Information | Bottle |
| SAE J300 Viscosity Grade | 15W-40 |
| Size | 1 Gallon (Pack of 1) |
| UPC | 023968377311 |
| Unit Count | 128 Fluid Ounces |
| Vehicle Service Type | Bus, Truck |
| Viscosity Level | Medium to High |
D**E
Good diesel oil for a good price!
I would like to thank the dinosaurs for their contribution, although at the depth that oil is located, the story does not jive. Used in 6.5 GM Diesel.
R**A
Price increase
5 stars.. however really disappointed priced increase out of nowhere. Was purchasing for 44. And change the 1 box 3 gallon Now price is higher
M**S
High quality even for vintage tractor
Worked well with my vintage 1980s tractor. Would recommend and use again!
B**S
Cheaper than rotella
Cheaper than rotella straight dinosaur oil and hasn't blown up yet.
P**2
Reliable diesel engine oil that performs as advertised
This Delo 400 XLE Synblend 15W-40 oil works exactly as described. It provides strong protection for heavy-duty diesel engines and maintains good pressure and performance between oil changes. Durability & Reliability: Trusted brand quality — holds up well under high-temperature operation and long hours of use. Ease of Setup & Use: Ready to pour and clearly labeled for easy measurement. Overall Quality & Value: Dependable, clean-running oil at a fair price. Exactly what you’d expect from Delo. Q&A Q: Is this oil suitable for heavy-duty diesel engines? A: Yes, it’s formulated specifically for diesel applications and performs well. Q: Does it match the description? A: Absolutely — it’s exactly as advertised. Q: Is it worth the price? A: Yes, great quality for a professional-grade diesel engine oil.
D**N
good value
Correct oil for yanmar diesel knockoff engine on att generator bought at auction
J**A
Good oil
I was Not a big fan on this oil brand. The price at the time was cheap. I will say it’s a good oil. I like motor craft but would use this oil.
B**M
Good price
Happy consumer
Trustpilot
3 weeks ago
2 months ago