Sealing Ring N 909 326 03

Ensure leak-free performance in your Volkswagen Group vehicle with the genuine sealing ring (part N 909 326 03). Engineered to strict OEM tolerances, this ring creates a reliable barrier between mating components—ideal for oil, coolant or hydraulic systems.

Key Benefits

• Exact OEM Fit
  Manufactured to Volkswagen Group CAD specifications for seamless, drop-in replacement—no trimming or adapters needed.

• Dual-Material Construction
  Combines a corrosion-resistant steel core with a bonded nitrile rubber sealing lip to maintain compression under pressure.

• Leak-Proof Seal
  Precision-pressed profile delivers uniform contact pressure, preventing fluid seepage and preserving system integrity.

• Thermal & Chemical Resistance
  Elastomer compound withstands engine oils, coolants and hydraulic fluids at temperatures from –40 °C to +150 °C.

• Versatile Application
  Suitable for sealing oil cooler housings, thermostat covers, transmission casings and other critical junctions.

Technical Specifications

• Part Number: N 909 326 03

• Material: Stainless-steel ring with bonded NBR rubber seal

• Inner Diameter: 25 mm

• Outer Diameter: 32 mm

• Cross-Section Thickness: 2 mm

• Temperature Range: –40 °C … +150 °C

• Compatibility: Direct-fit for VAG models specifying N 909 326 03; verify via VIN or existing part

Installation Overview

1. Clean Mating Surfaces: Remove old gasket or sealant and ensure both surfaces are free of oil and debris.

2. Position Ring: Place the sealing ring squarely over the male flange or bore.

3. Align Components: Carefully bring the mating part into position, centering the ring.

4. Torque Fasteners: Tighten bolts in a crisscross pattern to the manufacturer’s specified torque, ensuring even compression.

5. Inspect for Leaks: After pressurizing the system or starting the engine, check for any signs of seepage.