Premium iridium spark plug with ultra-fine center electrode (0.6mm) for superior ignition performance

Direct replacement for Chrysler/Dodge/Jeep vehicles (OEM numbers: SP149125AD/SP149125AE/RER8ZWYCB4/9407)

Laser-welded iridium tip ensures extended 60,000-mile service life and consistent fuel efficiency

Precision-engineered copper core and triple gasket seal prevent combustion chamber leakage

Optimized heat range design prevents pre-ignition in turbocharged engines

Corrosion-resistant steel shell with anti-seizing zinc coating for harsh weather conditions

Includes factory-pre-gapped electrodes for error-free installation (compatible with 3.6L Pentastar engines)

Batch-tested for strict OE quality standards (exceeds ISO 9001 certification requirements)

Warehouse-stocked in bulk quantities for immediate shipment at wholesale pricing

Trusted by commercial repair shops for fleet maintenance on Grand Cherokee/Wrangler models