








🛠️ Keep your diesel running smoother, longer — don’t get left behind!
Red Line 70303 RL-2 Diesel Ignition Improver is a highly concentrated additive designed to clean and lubricate diesel injectors, pumps, and rings. It improves fuel efficiency by up to 5%, treats up to 300 gallons per 15oz bottle, and is ideal for semis, agricultural machinery, and fleet maintenance. This product combats the low lubrication issues of ultra-low sulfur diesel (ULSD) fuels, helping prevent costly engine wear and ensuring long-term reliability.






| ASIN | B002HVD7KK |
| Best Sellers Rank | #833,590 in Automotive ( See Top 100 in Automotive ) #293 in Diesel Additives |
| Brand | Red Line |
| Customer Reviews | 4.7 4.7 out of 5 stars (10) |
| Date First Available | September 1, 2012 |
| Domestic Shipping | Item can be shipped within U.S. |
| International Shipping | This item is not eligible for international shipping. Learn More |
| Is Discontinued By Manufacturer | No |
| Item Weight | 14.1 ounces |
| Item model number | RED70303 |
| Manufacturer | Red Line |
| Manufacturer Part Number | 70303 |
| Package Dimensions | 9.5 x 2.63 x 2.63 inches |
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