TRUEGARD

Automatic Transmission Fluid (ATF) is a precisely engineered lubricant designed to meet the demanding requirements of modern automatic transmission...

TRUEGARD 10W-30 HD Synthetic Motor Oil is a premium, high-performance lubricant offered by Keller-Heartt Oil in convenient 55-gallon drums. Enginee...

Our 55-gallon drums of TRUEGARD DEF Diesel Exhaust Fluid offer a non-hazardous urea solution that chemically transforms harmful Nitrogen Oxide emis...

There's nothing like having high-quality synthetic motor oil on-hand when you need it. That's why, at Keller-Heartt Oil, we carry TRUEGARD full syn...

TRUEGARD 308 RUST PREVENTIVE is a premium solvent-based fluid engineered to deliver superior rust protection for metal surfaces. Upon application, ...

TRUEGARD Way Lubes are premium lubricants engineered to meet the demanding requirements of modern machine tool operations. These specialized oil...

55 GALLON DRUM. Propylene glycol formula provides an added margin of safety for pets and wildlife in the event of accidental ingestion. This patent...

TRUEGARD 304 RUST PREVENTIVE is a solvent-based fluid designed to deliver superior rust protection by forming a thin, dry, and slightly waxy film o...

The TRUEGARD Marine RV 50 Antifreeze is a reliable solution for safeguarding your water-containing systems and equipment throughout the winter mont...

TRUEGARD 304 RUST PREVENTIVE is a solvent-based fluid designed to deliver superior rust protection by forming a thin, dry, and slightly waxy film o...

*THIS PRICE IS FOR 5 GAL PAIL. TRUEGARD HIGH MILEAGE MOTOR OILS are formulated for engines with 75,00 miles and more. They provide extra protection...

  Truegard Soluble 384 is the go to soluble coolant for versatile metalworking applications. This multi-purpose heavy duty coolant can machine alum...

TRUEGARD Global Antifreeze: 100% Concentrate Antifreeze and Coolant protects automotive and light truck engines year round from cooling and overhe...

TRUEGARD Anti-Wear Hydraulic Oils represent a new standard in hydraulic fluid performance, engineered to meet the rigorous demands of both industri...

TRUEGARD 960 is an NSF Certified, food-grade inhibited propylene glycol fluid which is intended for use in antifreeze and heat transfer application...

TRUEGARD SYNCOOL 428 is a heavy duty water based cutting fluid concentrate. When diluted properly, TRUEGARD SYNCOOL 428 is suitable for most machi...

This premium-performance motor oil is certified to meet API SN and GF-5 standards, making it an ideal substitute for older oil formulations. Engine...

*THIS PRICE IS FOR 55 GAL drum.   TRUEGARD HIGH MILEAGE MOTOR OILS are formulated for engines with 75,00 miles and more. They provide extra protect...

TRUEGARD GEAR OILS are designed for heavy duty, continuous operation as well as shock loading on all types of industrial steel and bronze ge...

TRUEGARD #2010 Heavy Duty Soluble Oil is a high performance soluble oil concentrate formulated for the customer with a wide range of heavy duty mac...

TRUEGARD GEAR OILS are designed for heavy duty, continuous operation as well as shock loading on all types of industrial steel and bronze ge...

TRUEGARD SPINDLE OILS are a series of light bodied, light colored oils manufactured for the lubrication of high speed machine tool spindles...

TRUEGARD Anti-Wear Hydraulic Oils are premium performance mineral based hydraulic fluids prevent wear and transfer power formulated with patented ...

Keller‐Heartt is proud to recommend TRUEGARD Full Synthetic Multi‐Vehicle Automatic Transmission Fluid (ATF) for use in a broad spectrum of t...