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Details
| Specification | Value |
|---|---|
| Brand | ERA |
| MPN | zn0745 |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- GENERAL MOTORS—90 421 771
Where this part fits
Original-fit position for OE 90421771. The red ring marks where this part installs on the vehicle.
About this product
ERA Freewheel Gear Starter (ZN0745) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Compatible with ALFA ROMEO, AUDI, CHEVROLET, DAEWOO and 7 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: 0 001 106 012, 0 001 106 017, 0 001 106 022, 0 001 106 023 and 41 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (45)
Show all 45 OE numbers
Freewheel Gear Starter ERA ZN0745 — compatible car models
| Car models | ALFA ROMEO: 145 (930), 146 (930), 33 (905), 33 (907), 33 Sportwagon (905), 33 Sportwagon (907); AUDI: 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 80 B3 Saloon (893, 894, 8A2), 80 B4 Avant (8C5), A4 B5 (8D2), A4 B5 Avant (8D5), A4 B6 (8E2), A4 B6 Avant (8E5), A4 B6 Convertible (8H7), A6 C4 (4A2) (+5 more); CHEVROLET: VECTRA, ZAFIRA (F75); DAEWOO: ESPERO (KLEJ); OPEL: ASTRA F Convertible (T92), ASTRA F Estate (T92), ASTRA F Hatchback (T92), ASTRA F Saloon (T92), ASTRA G Convertible (T98), ASTRA G Coupe (T98) |
|---|---|
| Engines | 1.7 i.e. 16V (930.A1); 1.7 i.e. 16V (930.B1); 1.7 i.e. (905.A3D); 1.4 i.e. (907.A3A, 907.A3B); 1.7 i.e. 4x4 (905A3G, 905B3F); 1.5 i.e (907B2B); 2.0 E; 2.0; 1.4; 1.6 E; 1.6; 1.8 T; 1.8; 1.8 i 16V; 1.6 (F35, M35) (+4 more) |
| Year of manufacture | 1983-2012 |
| Manufacturer article number (MPN) | ZN0745 |
| OE part numbers | 90 421 771 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ERA zn0745 . ZN0745
- 1x Freewheel Gear Starter
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 Freewheel Gear Starter compatible with my car?
This Freewheel Gear Starter fits ALFA ROMEO, AUDI, CHEVROLET, DAEWOO, OPEL and 6 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 ERA Freewheel Gear Starter have?
The package includes the Freewheel Gear Starter 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 Freewheel Gear Starter replace?
This Freewheel Gear Starter replaces OE part numbers: 90 421 771. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Freewheel Gear Starter cost?
This ERA Freewheel Gear Starter is available for £19.99. Freewheel Gear Starter 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 Freewheel Gear Starter?
Regular inspection of your Freewheel Gear Starter 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 Freewheel Gear Starter?
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 Freewheel Gear Starter fitted by a professional mechanic.
Can I use this part as a replacement for OE 90 421 771?
Yes, this ERA Freewheel Gear Starter is a direct replacement for OE part number 90 421 771. 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 ZN0745 the same as the ERA ZN0080?
No, while both are Freewheel Gear Starter parts, they are different products. The ERA ZN0745 has specific dimensions, material composition, and fitting requirements. The ERA ZN0080 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.
