Purpose and Specifications

SWAG 99 90 8971 is a premium red automatic transmission fluid (ATF) designed for converter automatic transmissions in vehicles from brands like Mercedes-Benz, Ford, MAN, BMW, VW, and many others. This 1-liter bottle delivers smooth gear shifts, protects against wear, and keeps your transmission running cool and efficient in everyday driving.

It meets strict specs like MB 236.1 to 236.7, Ford WSS-M2C138-CJ and M2C166-H, MAN 339 V1/Z1, Allison C3/C4, and Dexron II D, ensuring reliable performance from -40°C cold starts to over 150°C high-heat conditions. The fluid flows easily when cold for quick engagement and stays thick when hot to prevent slippage.

When to Use / Replace?

Use this ATF during transmission service or fluid top-ups if your vehicle manual lists matching specs. Replace every 60,000 to 100,000 km or 4-5 years under normal driving, or sooner at 40,000 km for heavy towing, city stop-go traffic, or hot climates to avoid overheating and costly repairs.

Shelf life is 3-5 years unopened in a cool, dry place. Always check your owner's manual and drain old fluid completely for best results.

FAQ

• Is SWAG 99 90 8971 safe for my Mercedes or Ford automatic? Yes, it matches key MB 236 series and Ford WSS specs for smooth operation and long transmission life.
• How much fluid does a typical automatic transmission need? Most hold 6-10 liters total; a flush or service uses about 4-8 liters, so stock up on these 1L bottles.
• Can I mix it with other ATF types? No, for best protection, use only with matching specs and flush the system first.