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Details
| Specification | Value |
|---|---|
| Brand | HART |
OE numbers (57)
Search by this OE number to find compatible parts
- FORDโ1008886
- FORDโ1008887
- FORDโ1018139
- FORDโ1018140
- FORDโ1078349
- FORDโ12029CA
- FORDโ1649031
- FORDโ1649067
- MAZDAโ1E03-18-T51B
- MAZDAโ1E03-18-T52B
- MAZDAโ1E03-18-T53B
- MAZDAโ1E03-18-T54B
- MAZDAโ1E05-18-100
- MAZDAโ1E05-18-100A
- MAZDAโ1E08-18-10X
- FORDโ5008193
- FORDโ6181956
- FORDโ6497191
- FORDโ6503277
- FORDโ6503278
- FORDโ6503279
- FORDโ6503280
- FORDโ6503377
- FORDโ6594655
- FORDโ6684760
- FORDโ6823318
- FORDโ6860288
- FORDโ6860289
- FORDโ88F-12029-A1A
- FORDโ88SF-12029-A1A
- FORDโ88SF-12029-A2A
- FORDโ88SF-12029-AA
- FORDโ89BF-12024-A1B
- FORDโ8SF-12029-A1A
- FORDโ928F-12029-CA
- FORDโ938F-12024-DA
- FORDโ96FB-12257-AB
- MAZDAโC201-18-100B
- FORDโE8TF-12029-AA
- FORDโE8TZ-12029-A
- FORDโE9TF-12029-AA
- FORDโF1VU-12029-A1A
- FORDโF1VU-12029-A2A
- FORDโF1VY-12029-A
- FORDโF37U-12029-AA
- FORD / MAZDAโF37Z-12029-A
- FORDโF5LU-12029-AA
- FORDโF5LY-12029-A
- FORDโF5OU-12029-AA
- FORDโF5OY-12029-A
- FORDโF5OY-12029-B
- FORDโF5RZ-12029-C
- FORDโF5RZ-12029-D
- MAZDAโFSD7-18-100
- FORDโT101952
- MAZDAโZZM0-18-100
- MAZDAโZZMO-18-100
Where this part fits
Original-fit position for OE 88SF12029A2A. The red ring marks where this part installs on the vehicle.
About this product
When ignition coil performance matters, the HART 521 377 delivers โ built to the same dimensional and material standards as the original part it replaces. Compatible with FORD, MAZDA vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 1008886, 1008887, 1018139, 1018140 and 53 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HART is a recognised supplier of automotive ignition components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability โ you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative โ use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value โ and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Ignition Coil buying guide
Why replace this part?
Ignition coils transform battery voltage into the high voltage needed to create a spark at the spark plug. A failing coil causes misfires, rough running, and can damage the catalytic converter if left unaddressed.
Signs you need a replacement
- Engine misfires
- rough idle
- loss of power
- poor fuel economy
- check engine light with misfire diagnostic codes
- difficulty starting
When to replace
No fixed interval โ replace when symptoms or diagnostic codes indicate failure. Some mechanics recommend replacing all coils together.
Suitable cars
No equivalent parts found.
Ignition Coil HART 521 377 โ compatible car models
| Car models | FORD: ESCORT CLASSIC (AAL, ABL), ESCORT CLASSIC Turnier (ANL), ESCORT IV Convertible (ALF), ESCORT IV Express (AVF), ESCORT IV (GAF, AWF, ABFT), ESCORT IV Turnier (AWF, AVF), ESCORT V (AAL, ABL), ESCORT V Convertible (ALL, BJ2), ESCORT V Express (AVF), ESCORT VI Convertible (ALL) (+20 more) |
|---|---|
| Engines | 1.6 16V; 1.4; 1.1; 1.3; 1.0; 1.0 i; 1.3 i; 1.6 i 16V; 1.6 i; 1.4 16V |
| Year of manufacture | 1983-2008 |
| Manufacturer article number (MPN) | 521 377 |
| OE part numbers | 1008886, 1008887, 1018139, 1018140, 1078349, 12029CA, 1649031, 1649067, 1E03-18-T51B, 1E03-18-T52B, 1E03-18-T53B, 1E03-18-T54B, 1E05-18-100, 1E05-18-100A, 1E08-18-10X, 5008193, 6181956, 6497191, 6503277, 6503278 (+37 more) |
Compatibility check
Loading vehicle dataโฆ
Please wait while we load vehicle compatibility information.Description and what's included
HART 521377 . 521 377
- 1x Ignition coil
Shipping, returns, warranty
Free UK delivery on orders over ยฃ99.00. Tracked standard shipping.
- Standard delivery: 5โ9 business days
- Order before 5pm โ ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Ignition Coil compatible with my car?
This Ignition Coil fits FORD, MAZDA vehicles. Use the vehicle selector at the top of the page to check exact compatibility โ enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this HART Ignition Coil have?
The package includes the Ignition Coil as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this Ignition Coil replace?
This Ignition Coil replaces OE part numbers: 1008886, 1008887, 1018139, 1018140, 1078349, 12029CA, 1649031, 1649067 and 49 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Ignition Coil cost?
This HART Ignition Coil is available for ยฃ24.99. Ignition Coil prices vary depending on brand, specifications, and vehicle compatibility. HART parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Ignition Coil?
Watch for engine misfires, rough idle, reduced power, poor fuel economy, difficulty starting, or the check engine light with misfire codes.
What tools do I need to replace a Ignition Coil?
Tools needed: 8mm or 10mm socket, ratchet, electrical contact cleaner, dielectric grease, OBD-II scanner (to identify the misfiring cylinder). Difficulty: Moderate DIY. Safety warning: Disconnect the battery negative terminal before removing ignition coils -- the secondary voltage from a coil-on-plug unit can exceed 40,000 V and cause serious injury.
Can I use this part as a replacement for OE 1008886?
Yes, this HART Ignition Coil is a direct replacement for OE part number 1008886. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
