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Details
| Specification | Value |
|---|---|
| Brand | ERA |
| Voltage [V] | 12 V |
| Alternator Charging Current [A] | 15 A |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- OPEL—12 38 587
- OPEL—90 008 100
Where this part fits
Original-fit position for OE 1238587. The red ring marks where this part installs on the vehicle.
About this product
When relay main current performance matters, the ERA 661097 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Voltage [V]: Zinc V, Alternator Charging Current [A]: EPDM A, Number of connectors: Copper, Supplementary Article/Info 2: 178. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 12 38 587, 20200102, 661097A, 661097B and 2 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
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (4)
Relay Main Current ERA 661097 — compatible car models
| Manufacturer article number (MPN) | 661097 |
|---|---|
| OE part numbers | 12 38 587, 90 008 100 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ERA 661097 . Alternator Charging Current [A]: 15 A. Number of connectors: 4. Supplementary Article/Info 2: 178. Voltage [V]: 12 V
- 1x Relay Main Current
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 Relay Main Current compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Relay Main Current fits. All fitment data is verified through TecDoc.
What specifications does this ERA Relay Main Current have?
This ERA Relay Main Current has the following specifications: Voltage [V]: 12 V; Alternator Charging Current [A]: 15 A; Number of connectors: 4; Supplementary Article/Info 2: 178. Check the full specifications table above for complete details.
What OE part numbers does this Relay Main Current replace?
This Relay Main Current replaces OE part numbers: 12 38 587, 90 008 100. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Relay Main Current cost?
This ERA Relay Main Current is available for £14.99. Relay Main Current 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 Relay Main Current?
Regular inspection of your Relay Main Current 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 Relay Main Current?
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 Relay Main Current fitted by a professional mechanic.
Can I use this part as a replacement for OE 12 38 587?
Yes, this ERA Relay Main Current is a direct replacement for OE part number 12 38 587. 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 ERA 661097 the same as the ERA 661009?
No, while both are Relay Main Current parts, they are different products. The ERA 661097 has Voltage [V]: 12 V, Alternator Charging Current [A]: 15 A, Number of connectors: 4. The ERA 661009 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.
