iwis 0009978394 Oil Pump Chain with Master Link - 48-Link

The iwis 0009978394 is a precision-engineered oil pump drive chain designed for select Mercedes-Benz and BMW applications. This OE-quality replacement chain ensures reliable oil pump operation and proper engine lubrication under all driving conditions.

Key Features:

• 48-link roller chain configuration with master link for simplified installation
• Manufactured by iwis, a trusted OEM supplier with over 90 years of chain engineering expertise
• Precision-crafted to meet strict OE specifications for fit, form, and function
• Direct replacement for Mercedes-Benz OEM part number 000 997 83 94
• High-strength construction designed for long service life and resistance to wear
• Master link design allows for installation without removing oil pan in some applications

iwis timing and oil pump chains are known for their exceptional quality and durability, manufactured using advanced materials and precision engineering. Each chain undergoes rigorous testing to ensure it meets demanding OE standards for reliability, accurate pump drive timing, and long-term performance. Cross-reference numbers include iwis 50037117, 08133012301, and W01331634409.