Mahle · New
Mahle GM 6.6L Duramax 3.898in Stroke 6.417in Rod Perf Pistons w/0.075in Deep Valve Pockets(Set of 8)
MPN 930029855 · Store SKU mhl930029855
$1,932.52
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.
Supplier stock checked 11/7/2026, 8:06:45 AM UTC. Adding a part does not reserve it.
30-day returns for unopened, unused new parts
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
403cid 4.055 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-41.8cc,861g,16.3CR, M142 Piston (set) - GM 6.6L Duramax Cast Performance Pistons
Manufacturer fitment & guides
- GM 6.6L Duramax 403 cu in.
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
