Tutela TOP 4 / S MS 9971. TUTELA TOP 4 / S 1L BRAKE FLUID is a high-quality brake fluid part designed to fit your vehicle perfectly. Identified by OE reference SEL15961619, 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.