Protect your investment.
Protect your investment.
For your Rehlko engine maintenance, choose only Rehlko diesel engines fluids. Rehlko oil, coolant and fuel additives have been specifically engineered and tested for Kohler diesel engines to provide exceptional protection, peak performance and extended equipment life.
Rehlko’s aftermarket fluids offer superior wear protection, ensure engine cleanliness, and enhance fuel efficiency beyond what standard lubricants can achieve.

Xtreme Conditions 10W-40 Oil
Description: Provides exceptional wear protection and protects the service life of Diesel aftertreatment systems.
Size: 5 Liters (case of 4) 20 Liters 209 Liters 1000 Liters
Why buy:
Protects against soot agglomeration, reducing abrasive wear and deposit formation
Maintains proper viscosity over a broad temperature range
Exceptional oxidation control
Helps reduce oil consumption

Xtended Life Coolant
Description: Provides superior heat transfer and excellent protection against corrosion, cylinder-liner cavitation, freezing and boil-over
Size: 5 Liters (case of 4) 20 Liters 209 Liters
Why buy:
Pre-mixed 50/50 with high-purity water
Based on Organic Additive Technology (OAT)
Fully formulated: does not require the use of supplemental antifreeze/coolant additives (SCAs) or extenders
Free from BNAPS (Borate, Nitrite, Amine, Phosphate, Silicate) and 2-EHA (2-Ethylhexyl acrylate)