The DENSO X24ESR-U spark plug is an original-equipment-quality ignition component designed to support dependable engine starting, smooth operation, and consistent combustion in compatible automotive applications. Manufactured by DENSO, this spark plug uses a copper core center electrode to promote efficient thermal conductivity and help manage operating temperatures under demanding conditions.
Its 100 percent pre-fired construction helps ensure reliable operation from installation, while the unique five-rib insulator helps reduce flashover and minimize voltage loss. A dual copper and glass seal bonds the center electrode and insulator together to create a gas-tight seal, supporting long-term durability and dependable ignition performance. The DENSO X24ESR-U, manufacturer part number 4101, is designed for vehicles and engines specified for this spark plug model.
For proper fitment, verify the vehicle year, make, model, engine, and original spark plug specifications before installation. The DENSO X24ESR-U spark plug should be installed according to the vehicle manufacturer's recommended service procedures, including the correct gap, torque, and ignition-system requirements. Its original equipment application makes it a practical replacement for compatible automotive engines requiring DENSO part number 4101.
Features:
- Brand: DENSO
- Model: X24ESR-U
- Manufacturer Part Number: 4101
- Vendor Part Number: 4101
- Construction: 100 percent pre-fired for reliable operation
- Electrode: Copper core center electrode for superior thermal conductivity
- Insulator: Five-rib design helps reduce flashover and decrease voltage loss
- Seal: Dual copper and glass seal provides a gas-tight bond between the center electrode and insulator
- Application: Original equipment replacement for compatible automotive applications
- Fitment: Verify vehicle year, make, model, engine, and spark plug specifications before installation