TLDR Review: Howes Diesel Treat Conditioner - 64 oz
Verdict
The Howes 103060 'Diesel Treat' Diesel Conditioner and Anti-Gel provides good value and performance for those needing protection against fuel gelling and cold weather starts. While some users report issues with decreased effectiveness in extreme cold, others have successfully used it in seriously cold conditions. Evaluating individual needs and local climate conditions before purchase is recommended to ensure compatibility and satisfaction.
- Top pro:
- Offers good value for money and is less expensive per gallon compared to other diesel treatments.
- Top con:
- Decreased effectiveness noted compared to previous years.
Pros
- •Offers good value for money and is less expensive per gallon compared to other diesel treatments.
- •Designed to lubricate the fuel system and disperse moisture, improving overall engine performance.
- •Helps with cold starts, as engines start immediately after using the product, even after sitting overnight.
- •Performs well in extreme cold temperatures, tested as low as -24°F.
- •Improves starting performance, as noted in vehicles like the 2006 F350 diesel.
- •Can be effective in preventing fuel gelling in temperatures below 17°F, enhancing reliability.
- •Fuel gauge accuracy improved, potentially due to cleaning or lubricating the fuel sender.
- •Consistent support across three seasons, with minimal need for summer touch-ups.
- •Suitable for use in big trucks like Peterbilt, Kenworth, and International, as well as heating oil tanks.
Cons
- •Decreased effectiveness noted compared to previous years.
- •Failed to prevent fuel jelling in extremely cold temperatures, leading to vehicle breakdowns.
- •Required more than the suggested amount for noticeable effects.
- •Users experienced reduced power and frequent stalling in extreme cold.
- •Engine light issues reported after use, indicating potential product problems.
- •Multiple tow companies observed similar issues, suggesting a potential widespread problem.
- •Ineffective in temperatures below 0°F, contradicting some positive reviews.
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How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 4 retailers in ShopSavvy's price data, most recently seen May 1, 2025.
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
| $13.68 | May 1, 2025 may have changed | ||
| $17.16 | May 1, 2025 may have changed | ||
| $22.66 | May 1, 2025 may have changed | ||
| $27.39 | May 1, 2025 may have changed |
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