Wynn’s® Shudderguard (p/n 55701) is a mineral oil based transmission treatment designed to eliminate shudder in automatic transmissions.

Shudderguard is compatible with all ATF’s (excluding CVT and DCT).

Add Shudderguard to transmission fluid either after a full transmission service or as a mid interval booster treatment. Compatible with all ATF’s (excluding CVT and DCT).