Use With OEM Recommended ATF or as OEM fluid Alternative. Visit Lubegard.com for details.
Use With OEM Recommended ATF or as OEM fluid Alternative. Visit Lubegard.com for details.
Browse our selection of quality transmission fluid additive parts designed specifically for your Hummer H3. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Adventure · Alpha · Base · Championship Series · Luxury · X
Sport Utility
L5 3.5L · L5 3.7L · V8 5.3L
Automatic · Manual
