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Details
| Specification | Value |
|---|---|
| Brand | BOSCH |
OE numbers (9)
Where this part fits
Original-fit position for OE 1208091. The red ring marks where this part installs on the vehicle.
About this product
The BOSCH Ignition Coil (0 221 503 802) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. Verified to fit OPEL, VAUXHALL models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 0 221 503 802, 0 986 221 107, 12 08 091, 12 08 094 and 10 more. Matching these numbers confirms a like-for-like replacement with no loss of function. BOSCH 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 — 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 — 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 — 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 — replace when symptoms or diagnostic codes indicate failure. Some mechanics recommend replacing all coils together.
About BOSCH
Robert Bosch GmbH, founded in 1886 in Stuttgart, Germany, is one of the world's largest automotive parts suppliers. Bosch specialises in braking systems, fuel injection, spark plugs, alternators, and electronic engine management. As an OE supplier to virtually every major car manufacturer, Bosch parts meet or exceed original equipment specifications. With over 130 years of engineering innovation, choosing Bosch means choosing proven reliability backed by extensive research and development.
Suitable cars
Equivalent products (5)
Ignition Coil BOSCH 0 221 503 802 — compatible car models
| Car models | OPEL: CORSA D Hatchback Van (S07), CORSA D (S07); VAUXHALL: CORSA Mk III (D) (S07) |
|---|---|
| Engines | 1.0 (L08); 1.0 (L08, L68); 1.0 i 12V (L08) |
| Year of manufacture | 2006-2015 |
| Manufacturer article number (MPN) | 0 221 503 802 |
| OE part numbers | 12 08 091, 12 08 094, 12 08 095, 12 08 129, 25195106, 25198622, 55573734, 55577946, 55579071 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
BOSCH 0221503802 . 0 221 503 802
- 1x Ignition coil
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — 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 OPEL, VAUXHALL vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this BOSCH 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: 12 08 091, 12 08 094, 12 08 095, 12 08 129, 25195106, 25198622, 55573734, 55577946 and 1 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Ignition Coil cost?
This BOSCH Ignition Coil is available for £116.99. Ignition Coil prices vary depending on brand, specifications, and vehicle compatibility. BOSCH 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 12 08 091?
Yes, this BOSCH Ignition Coil is a direct replacement for OE part number 12 08 091. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the BOSCH 0 221 503 802 the same as the BOSCH 0 221 118 322?
No, while both are Ignition Coil parts, they are different products. The BOSCH 0 221 503 802 has specific dimensions, material composition, and fitting requirements. The BOSCH 0 221 118 322 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
