ThunderSpark 920-1091 ignition coil for the 1999-2000 Mazda Miata 4-cylinder 1.8L sends a high-voltage pulse to the spark plug to ignite the fuel-air mixture in the cylinder. It gets its signal from the distributor or the engine control computer at the point in the cycle when combustion should occur.
- High-dielectric epoxy, copper windings and a heat-resistant housing for engine-bay heat and electrical load
- Connects directly to the factory harness
- Mounting bracket included
- Electronic ignition type, 12 V, no external resistor required
Quick facts
- Part: ThunderSpark 920-1091 ignition coil
- Fits: 1999-2000 Mazda Miata 4-cylinder 1.8L
- Condition: New
A coil that sends weak or no spark can show up as a misfire, rough running or hard starting. Before you replace the coil, rule out worn spark plugs, damaged plug wires and a loose or corroded connector, since any of them can produce similar symptoms.
Fits
This coil is a direct-fit replacement for the 1999-2000 Mazda Miata 4-cylinder 1.8L. Its voltage output, resistance and inductive response are built to original equipment specifications or better.
Specifications
Fit and size
- Quantity per vehicle: 1
- Voltage: 12 V
Build and materials
- Ignition type: Electronic
- Oil filled: No
- External resistor required: No
- Mounting bracket: included
- Condition: New
- Country of origin: China
In the box
One ignition coil with its mounting bracket. This listing holds one coil, and the car takes one.
Interchange: C-343
5C1204 · E752 · BP4W1810XA · BP4W1810XB9U · UF343 · C1186
This part cross-references / interchanges with the following part numbers:
5C1204, E752, BP4W1810XA, BP4W1810XB9U, UF343, C-343, C1186
Frequently Asked Questions
Is this the 1999-2000 Mazda Miata coil pack for the 4-cylinder 1.8L engine?
Yes. ThunderSpark 920-1091 fits the 1999-2000 Mazda Miata 4-cylinder 1.8L, and the car takes one coil.
Do ThunderSpark ignition coils like this one come with a mounting bracket?
Yes. The ThunderSpark 920-1091 coil includes its mounting bracket. The listing is for one coil.
Does this ignition coil need an external resistor?
No. This is an electronic-type, 12 V coil, and it does not require an external resistor.
Can a bad ignition coil make the engine misfire?
Yes, a coil that sends weak or no spark to its plug can cause a misfire, rough running or hard starting. If the engine runs rough, a shop can test the coil.
Does this coil replace part number C-343?
Yes. C-343 is one of the numbers ThunderSpark 920-1091 replaces; UF343 and C1186 are listed as well.
