Victor Reinz · New
MAHLE Original 17-21 GM 6.6L Duramax Head Set (Without Head Gasket)
MPN HS55522 · Store SKU vicHS55522
Supplier stock checked 11/7/2026, 6:00:02 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Engine Cylinder Head Gasket Set
Manufacturer fitment & guides
- 21-17 GM 6.6L
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.