FIAT 9.5550-MX4. TUTELA T. GEARSYNTH LL 75W-90 1L is a high-quality manual gearbox fluid part designed to fit your vehicle perfectly. Identified by OE reference SEL16221619, this part offers a seamless fit and dependable performance. Crafted from durable materials made for long-term use, this brand-new Original SELENIA Equipment ensures your vehicle remains in peak condition and performs exactly as intended.