Motor Oil

*THIS IS FOR 55 GAL API SN/GF 6 CERTIFIED Every shop needs a 55-gallon 5W-30 drum, especially when it's filled with genuine TRUEGARD motor oil. Thi...

*THIS PRICE IS FOR 55 GAL DRUM API SN/GF5 CERTIFIED TRUEGARD 10W-30 motor oil in a 55-gallon drum is a must-have for just about any repair shop, de...

Ensure seamless and efficient operations with TRUEGARD Full Synthetic HD 15W-40 Motor Oil, now offered in convenient 55-gallon drums by Keller-Hear...

TRUEGARD Way Lube 68 Oils are specially designed for the lubrication of machine tool slides, tables and feed mechanisms. Their enhanced tacki...

TRUEGARD 5W-30 synthetic motor oil is a premium, versatile lubricant engineered for both cold-weather and hot-weather performance. Its advanced for...

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

TRUEGARD Soluble 100 Oil is a general purpose soluble oil for light to moderate duty machining on a wide range of materials. Soluble 100 Oil is hig...

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

Isopar L is a premium-grade solvent renowned for its exceptional purity, colorless appearance, and virtually odorless nature. These attributes make...

Keller-Heartt TRUEGARD® Ethylene Glycol Heat Transfer Fluid 100% is a fully-formulated ethylene glycol- based heat transfer fluid containing an...

Discover the advanced formulation of TRUEGARD 0W-20 motor oil, engineered for maximum protection and improved fuel efficiency. This low-viscosity b...

Red 50/50 Antifreeze/Coolant is a ready-to-use engine coolant designed for optimal convenience and performance. This premixed formula combines equa...

TRUEGARD 5W-30 DEXOS-approved Synthetic Oil: Certified for API SN and GF5 Standards Ensure your shop is equipped for any challenge with a 55-gallon...

Ensure your operations run smoothly and efficiently with TRUEGARD Full Synthetic HD 15W-40 Motor Oil, now available in convenient 55-gallon drums f...

For winterizing both potable and non-potable water containing systems and equipment. Suitable applications: recreational vehicle water systems, vac...

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

TRUEGARD 10W-30 HD Synthetic Motor Oil is a premium, high-performance lubricant engineered to deliver exceptional protection and efficiency for bot...

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...

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...

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

*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...

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...