Mobil 1 Delvac 1300 Super Motor Oil
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
C carid | $6.76 | Dec 15, 2025, may have changed | Buy Now |
R Rural King | $13.79 | May 28, 2024, may have changed | Buy Now |
 Walmart 90-day returns (in store too) | $14.42 | May 28, 2024, may have changed | Buy Now |
 Amazon 30-day returns (in store too) | $14.98 | Jun 11, 2026, may have changed | Buy Now |
N NAPA Auto Parts | $15.99 | Jul 5, 2022, 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
- •Maintains original equipment specifications, making it ideal for those who prefer standard, non-synthetic oil.
- •Effectively supports a reliable maintenance schedule without causing engine issues.
- •Performs well in older diesel engines, especially those that consume a lot of oil.
- •Has the appropriate 15W-40 viscosity for high oil consumption engines and diesel applications.
- •Significantly reduces engine noise compared to OEM factory oil, resulting in a much smoother engine performance.
- •Well-designed pour spout with a lid makes it easy to handle and prevents leaks.
- •Provides noticeable improvement in engine behavior after the first oil change.
- •Compatible and effective for specific engines like the 2001 7.3 Powerstroke and 1999 Mercedes E300 turbo diesel.
- •Comes securely packaged with protective wrapping, ensuring product integrity.
- •Recommended by some previous owners who used it exclusively and were satisfied.
Cons
- •Not recommended for trucks with oil-actuated injectors, like the 6.0 PSD engines, due to potential risk of injector failure.
- •Contains lower ZDDP levels compared to older formulations, which may impact wear protection in some engines.
- •Users concerned about long-term engine longevity might prefer oils from more trusted brands like Shell Rotella-T6.
- •Limited to purchasing only 3 gallons at a time, which is inconvenient for vehicles requiring large quantities (e.g., 12 gallons).
- •The need to buy multiple small quantities can be frustrating for those doing serious or frequent oil changes.
- •Provides reliable basic performance but lacks extra features found in some premium synthetic oils.
Bottom Line
Mobil 1 112786 15W-40 Delvac 1300 Super Motor Oil is a solid choice if you need a dependable, standard oil for older diesel engines that consume more oil and want to maintain equipment specs without synthetic additives. It's user-friendly with its pour spout and reduces engine noise noticeably. However, if your vehicle relies on oil-actuated injectors or you are particularly concerned about engine longevity, you might want to consider alternatives like Shell Rotella-T6. Also, if you require large volumes regularly, this product’s limited purchase size could be inconvenient. For dependable diesel motor oil in smaller quantities, this fits the bill well.
What Reviewers Are Saying
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Discussion
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