Mobil Delvac 1300 Diesel Oil
Mobil 1

Mobil Delvac 1300 Diesel Oil

$33.34across 37 retailers
Lowest at Amazon
$76.39 at Amazon
Price seen May 3, 2025
Lowest at any Popular Retailer
$33.97 at lowes
Price seen May 3, 2025

Where to Buy

Newest price seen: May 3, 2025
RetailerPriceLast seenBuy
B
bigbigmart
$33.34May 3, 2025, may have changedBuy Now
lowes logo
lowes
90-day returns (in store too)
$33.97May 3, 2025, may have changedBuy Now
Walmart logo
Walmart
90-day returns (in store too)
$34.78May 3, 2025, may have changedBuy Now
G
Guaranteed Lowest Price
$34.99May 3, 2025, may have changedBuy Now
T
tractorsupply
$39.99May 3, 2025, may have changedBuy 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

  • •Significantly reduces oil consumption, with reports of decreasing from 1 quart to less than 0.25 quarts per week
  • •Improves engine performance with no smoke after use
  • •Suitable for both diesel and gasoline engines, providing a versatile option
  • •Features a solid additive package offering enhanced performance and stable viscosity
  • •Cost-effective buying in a 5-gallon size, ensuring extra oil for future changes
  • •Widely available and reasonably priced for a top brand
  • •Allows for extended oil change intervals, providing savings over time

Cons

  • •Concerns about packaging with no individual wrapping or manufacturer box could affect perceptions of authenticity and safety
  • •Some users noted previous significant engine wear with other oils, bringing attention to potential issues with competitors like Amsoil

Bottom Line

Mobil Delvac 1300 Super Syn Blend Diesel Oil 15W-40 is a reliable and cost-effective choice for maintaining both diesel and gasoline engines. Its ability to reduce oil consumption and improve engine performance, along with its competitive pricing and availability, make it a solid option. However, the packaging could benefit from enhancements to ensure product confidence.

Read full expert review

Discussion

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