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Details
| Specification | Value |
|---|---|
| Brand | ERA |
| MPN | zn5623 |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- OPEL—12 04 177
- GENERAL MOTORS—13 258 483
Where this part fits
Original-fit position for OE 1204177. The red ring marks where this part installs on the vehicle.
About this product
ERA Alternator Freewheel Clutch (ZN5623) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Rotation Direction: 0 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with BMW, CHEVROLET, OPEL, SAAB and 1 other makes 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: 12 04 177, 13 258 483, 219174, 219174A and 38 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ERA 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.
Suitable cars
Equivalent products (42)
Show all 42 OE numbers
Alternator Freewheel Clutch ERA ZN5623 — compatible car models
| Car models | BMW: 1 (F20), 1 (F21), 2 Coupe (F22, F87), 3 Convertible (E93), 3 Coupe (E92), 3 (E90), 3 (F30, F80), 3 Gran Turismo (F34), 3 Touring (E91), 3 Touring (F31) (+11 more); CHEVROLET: AVEO Hatchback (T300), AVEO Saloon (T300), TRAX; OPEL: ADAM (M13), ASTRA J GTC, ASTRA J (P10), ASTRA J Saloon, ASTRA J Sports Tourer (P10), CASCADA (W13) |
|---|---|
| Engines | 114 d; 218 d; 320 d; 316 d; 318 d; 420 d; 418 d; 520 d; 518 d; sDrive 16 d; sDrive 18 d; sDrive 25 d; 1.2; 1.4; 1.4 (08) (+4 more) |
| Year of manufacture | 2001-2021 |
| Manufacturer article number (MPN) | ZN5623 |
| OE part numbers | 12 04 177, 13 258 483 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ERA zn5623 . Rotation Direction: 0
- 1x Alternator Freewheel Clutch
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 Freewheel Clutch compatible with my car?
This Alternator Freewheel Clutch fits BMW, CHEVROLET, OPEL, SAAB, 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 ERA Alternator Freewheel Clutch have?
This ERA Alternator Freewheel Clutch has the following specifications: Rotation Direction: 0. Check the full specifications table above for complete details.
What OE part numbers does this Alternator Freewheel Clutch replace?
This Alternator Freewheel Clutch replaces OE part numbers: 12 04 177, 13 258 483. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Alternator Freewheel Clutch cost?
This ERA Alternator Freewheel Clutch is available for £40.99. Alternator Freewheel Clutch prices vary depending on brand, specifications, and vehicle compatibility. ERA 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 Freewheel Clutch?
Regular inspection of your Alternator Freewheel Clutch 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 Freewheel Clutch?
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 Freewheel Clutch fitted by a professional mechanic.
Can I use this part as a replacement for OE 12 04 177?
Yes, this ERA Alternator Freewheel Clutch is a direct replacement for OE part number 12 04 177. 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.
