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Details
| Specification | Value |
|---|---|
| Brand | BOSCH |
OE/OEM numbers (49)
Search by this OE number to find compatible parts
- ALFA ROMEO—116976507900
- ALFA ROMEO—11697650790001
- ALFA ROMEO—116976507901
- OPEL—12 08 055
- OPEL—12 08 248
- BMW—12 14 1 266 702
- BMW—12 14 1 273 217
- BMW—12 14 1 273 298
- BMW—12 14 1 274 698
- CHRYSLER—12141466333
- VOLVO—1298429
- VOLVO—1317820
- SEAT—3939219
- SEAT—3980641
- ZASTAVA—46620553
- ZASTAVA—46627428
- PEUGEOT—5927 89
- CITROËN / PEUGEOT—5927 90
- CITROËN / PEUGEOT—5945 02
- CITROËN / PEUGEOT—5945 03
- CITROËN / PEUGEOT—5945 24
- CITROËN / PEUGEOT—5945 25
- CITROËN / PEUGEOT / TALBOT—5945 31
- CITROËN / PEUGEOT—5945 33
- CITROËN / PEUGEOT—5945 48
- CITROËN / PEUGEOT—5945 60
- ALFA ROMEO—705786
- CITROËN / PEUGEOT—79 100 351 00
- OPEL / VAUXHALL—90295499
- OPEL / VAUXHALL—90350589
- OPEL—90414405
- CITROËN / PEUGEOT—91 504 912
- TALBOT—91 504 912 80
- CITROËN / PEUGEOT—91 504 944 80
- CITROËN / PEUGEOT—91 506 338
- CITROËN / PEUGEOT / TALBOT—91 506 338 80
- CITROËN—91 532 831
- CITROËN / PEUGEOT—97 522 875
- CITROËN / PEUGEOT—97 522 875 80
- CITROËN / PEUGEOT—97 522 876
- CITROËN / PEUGEOT—97 530 125
- CITROËN / PEUGEOT / FIAT—97 530 125 80
- CITROËN / PEUGEOT—97 532 831
- FIAT—9753283180
- CITROËN / PEUGEOT—97 533 831
- TALBOT—A 506 338 80
- AUSTIN—BAU 5332
- FIAT—K9753012580
- FIAT—K9753283180
Where this part fits
Original-fit position for OE 12141266702. The red ring marks where this part installs on the vehicle.
About this product
Sourced from BOSCH, this switch unit ignition system (0 227 100 123) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Verified to fit ALFA ROMEO, BMW, CITROËN, FIAT and 2 other makes 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: 0 040 401 001, 0040401001, 0 221 600 016, 0 221 600 017 and 65 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
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 (18)
Switch Unit Ignition System BOSCH 0 227 100 123 — compatible car models
| Car models | ALFA ROMEO: 33 (905), 33 Sportwagon (905), 75 (162), 90 (162), ALFASUD (901), ALFASUD Sprint (902), ALFETTA (116), ALFETTA GT (116), ARNA (920), GIULIETTA (116) (+2 more); BMW: 3 (E21), 3 (E30), 5 (E12), 5 (E28), 6 (E24), 7 (E23); CITROËN: AXEL, BX Break (XB-), BX Van (XB-), BX (XB-), C15 Box Body/MPV (VD), C15 Estate, C25 Bus (280, 290), C25 Platform/Chassis (280, 290), C25 Van (280, 290), CX II (+2 more) |
|---|---|
| Engines | 1.3 (905.A1A, 905.A1C, 905.A1D, 905.A1F, 905.A1H); 1.5 4x4 (905.A2U); 2.5 V6 (162.B3); 2.5 i.e. V6 (162A); 1.3 ti (901.G4); 1.5 (902.A1); 1.8 (116.B2); 2.0 (11636, 11610); 1.3 TI (920.A1B); 1.6 (116.50B); 2.0 (11636); 2000 (11538, 115661); 315; 316; 518 (+10 more) |
| Year of manufacture | 1970-2006 |
| Manufacturer article number (MPN) | 0 227 100 123 |
| OE part numbers | 116976507900, 11697650790001, 116976507901, 12 08 055, 12 08 248, 12 14 1 266 702, 12 14 1 273 217, 12 14 1 273 298, 12 14 1 274 698, 12141466333, 1298429, 1317820, 3939219, 3980641, 46620553, 46627428, 5927 89, 5927 90, 5945 02, 5945 03 (+29 more) |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
BOSCH 0227100123 . 0 227 100 123
- 1x Switch Unit Ignition System
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Switch Unit Ignition System compatible with my car?
This Switch Unit Ignition System fits ALFA ROMEO, BMW, CITROËN, FIAT, PEUGEOT and 1 more 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 Switch Unit Ignition System have?
The package includes the Switch Unit Ignition System 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 Switch Unit Ignition System replace?
This Switch Unit Ignition System replaces OE part numbers: 116976507900, 11697650790001, 116976507901, 12 08 055, 12 08 248, 12 14 1 266 702, 12 14 1 273 217, 12 14 1 273 298 and 41 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Switch Unit Ignition System cost?
This BOSCH Switch Unit Ignition System is available for £38.99. Switch Unit Ignition System 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 Switch Unit Ignition System?
Regular inspection of your Switch Unit Ignition System is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Switch Unit Ignition System?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Switch Unit Ignition System fitted by a professional mechanic.
Can I use this part as a replacement for OE 116976507900?
Yes, this BOSCH Switch Unit Ignition System is a direct replacement for OE part number 116976507900. 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 0 227 100 123 the same as the BOSCH 0 227 100 137?
No, while both are Switch Unit Ignition System parts, they are different products. The BOSCH 0 227 100 123 has specific dimensions, material composition, and fitting requirements. The BOSCH 0 227 100 137 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.
