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Details
| Specification | Value |
|---|---|
| Brand | HELLA |
| MPN | 5dr004241-121 |
| Voltage [V] | 12 V |
| Manufacturer Restriction | Bosch |
| Operating voltage [V] | 14.1 V |
OE/OEM numbers (86)
Search by this OE number to find compatible parts
Show all 86 OE numbers
- MERCEDES-BENZ—000 154 36 05
- AUDI / VW—00 038 999 19
- EVOBUS—0021549806
- VW—026 903 803 3
- NISSAN—039 021 920
- AUDI / SEAT / VW—049 903 803 G
- AUDI / VW—068 903 803
- AUDI / SEAT / VW—068 903 803 B
- SKODA / VW—068 903 803 D
- ALFA ROMEO—116 1005 0600 00
- ALFA ROMEO—116 1005 0600 11
- ALFA ROMEO—116 1005 0600 8
- ALFA ROMEO—116 1005 0600 800
- ALFA ROMEO—116 1005 0600 811
- ALFA ROMEO—116 1005 0601 1
- ALFA ROMEO—116 100 5 06 0 800
- ALFA ROMEO—116 1005 6080
- ALFA ROMEO—116 10 0 5 6 0 800
- ALFA ROMEO—119 1305 0600 0
- ALFA ROMEO—119 1305 0600 023
- ALFA ROMEO—119 1305 0600 23
- ALFA ROMEO—119 1305 06023
- OPEL—12 04 253
- OPEL—12 04 256
- OPEL—12 04 259
- BMW—12 31 1 271 664
- BMW—12 31 1 726 002
- BMW—1 271 664
- DEUTZ-FAHR—131 8548
- INTERNATIONAL HARV.—1 530 372 C 1
- FORD—1 640 169
- BMW—1 726 002
- NISSAN—23215 69T00
- NISSAN—23215 D9725
- FORD / AUDI / SEAT—2 690 38033
- PERKINS—2871 1008
- SEAT—389 991 9
- IVECO—42538443
- MACK—4381 66702
- ALFA ROMEO / FERRARI / FIAT / LANCIA—473 1653
- CITROËN / PEUGEOT—5761.55
- FERRARI / ALFA ROMEO / FIAT / LANCIA—607 4399 7
- FERRARI / ALFA ROMEO / FIAT / LANCIA—607 5113 5
- FERRARI / ALFA ROMEO / FIAT / LANCIA—607 5140 3
- FERRARI / ALFA ROMEO / FIAT / LANCIA—607 5143 9
- ALFA ROMEO—607 5201 6
- FORD—6 113 735
- SEAT—689 038 03
- ALFA ROMEO—705 6840 0000 0
- ALFA ROMEO—705 6848 00000
- DEUTZ-FAHR—812 1111
- DEUTZ-FAHR—812 11111
- FORD—82BB10316AA
- OPEL—90 00 704
- GENERAL MOTORS / OPEL / SAAB—90007041
- GENERAL MOTORS / OPEL / SAAB—90010016
- OPEL—90 34 970
- GENERAL MOTORS / OPEL / SAAB—90349704
- OPEL—90349907
- FERRARI / FIAT / ALFA ROMEO / LANCIA—9 047 100
- PORSCHE—928.603.153.00
- DEUTZ-FAHR / IVECO—931 55548
- OPEL—93 17 246
- OPEL—93172467
- OPEL—93253778
- PORSCHE—944.603.141.00
- PORSCHE—944.603.141.01
- FERRARI / ALFA ROMEO / FIAT / LANCIA—993 8171
- ALFA ROMEO—994 1761
- FERRARI / ALFA ROMEO / FIAT / LANCIA—994 2848
- FERRARI / ALFA ROMEO / FIAT / LANCIA—994 2884
- FERRARI / ALFA ROMEO / FIAT / IVECO—994 2885
- FERRARI / ALFA ROMEO / FIAT / LANCIA—994 4754
- ALFA ROMEO / FERRARI / FIAT / LANCIA—995 0116
- FERRARI / ALFA ROMEO / FIAT / LANCIA—995 0155
- ALFA ROMEO / FERRARI / FIAT / LANCIA—995 0612
- FERRARI / ALFA ROMEO / FIAT / LANCIA—996 0176
- IVECO—9962566
- MERCEDES-BENZ—A 000 154 36 05
- EVOBUS—A0021549806
- FORD—BF6 T63 718 A
- FORD—BFT6 3718 A
- FORD—E5RD10316BA
- AUDI / SEAT / VW—J27 000 040 10
- HITACHI—LRA656
- FENDT—X 830 060 022 010
About this product
The HELLA Alternator Regulator (5DR 004 241-121) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Voltage [V]: Zinc V, Manufacturer Restriction: Bosch, Operating voltage [V]: Nylon, Steel V. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit ABARTH, ALFA ROMEO, AUDI, BMW and 14 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: 000 154 36 05, 00 038 999 19, 0021549806, 004 241-121 and 753 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HELLA is a recognised supplier of automotive replacement 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 HELLA
HELLA, founded in 1899 in Lippstadt, Germany, is a global automotive lighting and electronics specialist now operating as FORVIA HELLA. HELLA specialises in headlamps, rear lights, signal lighting, sensors, actuators, and electronic control units. As an OE supplier to virtually all major car manufacturers, HELLA products represent the cutting edge of automotive lighting and electronic technology. With 125+ years of innovation in vehicle illumination and electronics, HELLA is the definitive choice for high-quality lighting and electronic component replacements.
Suitable cars
Equivalent products (200)
Show all 200 OE numbers
Alternator Regulator HELLA 5DR 004 241-121 — compatible car models
| Car models | ABARTH: RITMO; ALFA ROMEO: 33 (905_), 6 (119_), 75 (162_), 90 (162_), ALFASUD (901_), ALFASUD Sprint (902_), ALFETTA (116_), ALFETTA GT (116_), ARNA (920_), GIULIETTA (116_) (+2 more); AUDI: 100 C2 Avant (435, 436), 100 C2 Saloon (431, 433, 434), 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 200 C2 Saloon (437, 438), 200 C3 Avant (447, 448), 200 C3 Saloon (447, 448), 80 B2 Saloon (811, 813, 814, 819, 853) (+7 more) |
|---|---|
| Engines | 125 TC 2.0 (138.A_); 1.2 (905.A); 2.5 i.e. (119.AA, 119.AB); 1.6 (162B2); 1.8 (162A1); 1.2 (901.D0, 901.D1); 1.3 (902A); 1.6 (116.B1A); 2.0 (11610); 1.2 (920.AA); 1.3 (116.44A); 2.0 (11636); 1600 (11535); 1.6; 1.8 (+7 more) |
| Year of manufacture | 1971-1998 |
| Manufacturer article number (MPN) | 5DR 004 241-121 |
| OE part numbers | 000 154 36 05, 00 038 999 19, 0021549806, 026 903 803 3, 039 021 920, 049 903 803 G, 068 903 803, 068 903 803 B, 068 903 803 D, 116 1005 0600 00, 116 1005 0600 11, 116 1005 0600 8, 116 1005 0600 800, 116 1005 0600 811, 116 1005 0601 1, 116 100 5 06 0 800, 116 1005 6080, 116 10 0 5 6 0 800, 119 1305 0600 0, 119 1305 0600 023 (+66 more) |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
HELLA 5dr004241-121 . Manufacturer Restriction: Bosch. Operating voltage [V]: 14,1 V. Voltage [V]: 12 V
- 1x Alternator Regulator
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 Alternator Regulator compatible with my car?
This Alternator Regulator fits ABARTH, ALFA ROMEO, AUDI, BMW, FERRARI and 13 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 HELLA Alternator Regulator have?
This HELLA Alternator Regulator has the following specifications: Voltage [V]: 12 V; Manufacturer Restriction: Bosch; Operating voltage [V]: 14,1 V. Check the full specifications table above for complete details.
What OE part numbers does this Alternator Regulator replace?
This Alternator Regulator replaces OE part numbers: 000 154 36 05, 00 038 999 19, 0021549806, 026 903 803 3, 039 021 920, 049 903 803 G, 068 903 803, 068 903 803 B and 78 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Alternator Regulator cost?
This HELLA Alternator Regulator is available for £19.99. Alternator Regulator prices vary depending on brand, specifications, and vehicle compatibility. HELLA parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Alternator Regulator?
Regular inspection of your Alternator Regulator 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 Alternator Regulator?
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 Alternator Regulator fitted by a professional mechanic.
Can I use this part as a replacement for OE 000 154 36 05?
Yes, this HELLA Alternator Regulator is a direct replacement for OE part number 000 154 36 05. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
