Nissan Ignition Coil 22448-37J10 Replaces 5C1237/521514/22433-53F00

Nissan ignition coil 22448-37J10, mounted above the cylinder head, directly connects to the spark plug, converting low voltage to high voltage to precisely ignite the mixture. OEM 22448-37J10 replaces 5C1237, 521514, 22433-53F00, compatible with many 4-cylinder Nissan and Datsun engines. Installation difficulty is medium; 1–1.5 hours; pay attention to high-voltage harness sequence. Symptoms of ignition coil aging include acceleration hesitation, rough idle, increased fuel consumption, or illuminated fault light.