Premium OEM-grade spark plugs engineered for VW/Audi A4/A6/A7/A8L models (2004+)

Direct replacement for OE part numbers 04C905616F/B/D with precision-fit thread design

Iridium-enhanced center electrode delivers 30% faster cold starts and consistent ignition

Laser-welded platinum side electrode resists carbon buildup for 60,000-mile service life

Triple-gasket sealing system prevents combustion leaks under extreme turbocharged conditions

CNC-machined copper core ensures optimal heat dissipation for high-performance engines

Batch-tested to meet ISO 9001 standards with 0.02mm tolerance for gap consistency

Ideal for turbocharged TFSI/TSI engines in city driving and highway performance tuning

Vacuum-sealed blister packaging guarantees corrosion-free delivery worldwide

Wholesale MOQ discounts available with bulk pricing below dealership costs