Cerma Ceramic Heavy Duty Gear Oil 75W-90 EP SiC | CermaCerma Ceramic Heavy Duty Gear Oil 75W 90 STM 3 Nano Silicon Carbide Technology Triple Layer Defense for Differentials & Gear Sets Built for the hardest working gear sets on earth. Cerma Ceramic Heavy Duty Gear Oil 75W 90 is a full synthetic GL 5 extreme pressure gear oil engineered with STM 3 Nano Silicon Carbide (SiC) ceramic technology. Standard gear oils rely on sulfur phosphorus EP additives that deplete under sustained load. Cerma adds a

500-mile threshold

000 mile intervals due to increased fuel-dilution potential

0W-16 engines (newest Toyota Camry

1% off) — metafield FAQ covers this - Metafield FAQs this HTML AVOIDS: what is it

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10W-40 for very high-mileage manuals (200K+) and hot-climate heavy-duty use

Quiets noisy differentials — SiC ceramic bond smooths gear tooth surfaces

Learn about non-Newtonian fluids →

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🔧 High-Mileage Trucks (500K–1

Typical 4-stroke kart engines take 20–32 oz per fill

If you have both aircraft and ground equipment