Which transmission parts fit a 2026 Hummer H3?

Fitment for transmission parts on the 2026 Hummer H3 is matched against the AutoParts.com catalog. We don't have live results loaded for this vehicle right now — use the link on this page to browse the full catalog for your vehicle.

Who fulfils and ships the order?

Checkout, shipping and returns are handled by AutoParts.com. PartsByVehicle.com earns a referral fee on orders placed there, at no extra cost to you.

2026 Hummer H3 Transmission Parts

0 parts fit your 2026 Hummer H3

Pick a sub-category to see fitting parts

Transmission Mount (coming soon)Transmission Filter (coming soon)Shift Solenoid (coming soon)Torque Converter (coming soon)

Affiliate disclosure: PartsByVehicle.com earns a referral fee when you buy through links to AutoParts.com on this site. This does not change the price you pay. Orders, payment, shipping and returns are handled by the retailer.