Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Cometic Gasket / New

Cometic Mazda FSDE 16V 91-03 Exhaust .030 inch MLS Head Gasket 2.045 inch X 1.375 inch Port

Cometic Gasket · New

Cometic Mazda FSDE 16V 91-03 Exhaust .030 inch MLS Head Gasket 2.045 inch X 1.375 inch Port

MPN C4171-030 · Store SKU cgsC4171-030

$30.94
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 5:17:39 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

COMETIC MLS (Multi-Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel Mazda FS-DE .030in. MLS Exhaust Manifold Gasket Mazda FS-DE .030" MLS Exhaust Manifold Gasket Mazda FS-DE Exhaust Manifold Gasket

Manufacturer fitment & guides

Check C4171-030 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y
More from Cometic Gasket ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.