Johnsen's Diesel Starting Fluid 12-Pack 10.7 oz — Cold-Weather Formula, Works to -65°F

If a diesel engine won’t catch on the first turn when temperatures drop, a targeted starting spray can make the difference between a smooth start and repeated cranking that stresses the battery and starter. This Johnsen's product is designed for diesel motor vehicles and non-road diesel engines, combining fast-ignition solvents with upper-cylinder lubricants so combustion occurs efficiently while protecting internal parts during those first revolutions.

How does this starting fluid help engines in very cold weather?

The formula vaporizes quickly and produces a combustible mixture in the combustion chamber at frigid temperatures, improving the odds of ignition on the initial cycles. Using a dedicated starting spray reduces prolonged cranking and shortens the time the starter and battery must work.

• Performs reliably to -65°F, suitable for extreme cold climates.
• Produces a fast-burning spray that promotes quick ignition.
• Reduces repeated cranking that can drain batteries.

Is Johnsen's 6762 safe for diesel engines and compliant with regulations?

This starting fluid is formulated for diesel motor vehicles and non-road diesel engines and complies with federal low-sulfur content requirements. It also includes upper-cylinder lubricants to reduce wear during ignition, but should be used according to engine maker guidelines and can directions.

• Meets federal low-sulfur limits for diesel starting additives.
• Contains lubricants to protect cylinder components during starting.
• Appropriate for both on-road and off-road diesel equipment when used as directed.

How do I use a 10.7 oz. can safely and effectively?

Use brief, controlled bursts aimed at the intake or air inlet depending on your engine design; avoid continuous spraying. Allow a second or two after spraying for the vapor to disperse and then crank the engine; repeat short sprays only if necessary to prevent overapplication.

• Spray in short bursts; avoid continuous discharge.
• Follow vehicle or equipment maker instructions before using additives.
• Dispose of empty cans per local hazardous-waste rules.

What are the practical benefits of buying the 12-pack?

Purchasing a 12-can pack gives workshops, fleet managers, or cold-climate vehicle owners steady supply and lower per-can cost compared with single purchases. Stocking multiple cans means you’re prepared for repeated cold snaps or remote jobs where access to parts and supplies is limited.

• Bulk supply reduces frequent reordering and downtime.
• Cost-effective for shops, fleets, and frequent cold-weather operators.
• Compact 10.7 oz. cans are easy to store in service bays or trucks.

Who is this product for? Johnsen's 6762-12PK is well suited for diesel vehicle owners in cold climates, fleet and maintenance professionals who need a reliable starting aid on hand, and operators of construction or agricultural equipment working in sub-freezing conditions. It’s intended as a practical tool to aid ignition — use in accordance with engine manufacturer recommendations and the product label for safe, effective starts.