Seat Toledo 2005-2009 Coolant Expansion Tank 1K0121407A Golf A3 Octavia
Seat Toledo 2005-2009 Coolant Expansion Tank 1K0121407A Golf A3 Octavia
Premium eBay listing template for a coolant expansion tank / header tank. Built to help buyers match the correct part first time, reduce returns, and improve search visibility with exact fitment years, part numbers, and a clear compatibility guide.
Quick Sales Points
- Exact fitment years shown below to help the customer order the correct part first time.
- Collection available 7 days a week until 8pm by appointment, including bank holidays by prior appointment.
- Worldwide shipping via eBay Global Shipping Programme where eligible.
- Fitting service and repair garage service subject to availability.
- Customers must ensure checkout address is correct before paying.
- Returns under “Doesn’t fit” or “Item not as described” can attract a 50% restock fee where fitment has already been clearly stated.
Vehicle Reference Photos
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Confirmed Fitment Table
| Vehicle | Exact Years | Body / Range Notes | Fitment Status |
|---|---|---|---|
| SEAT Toledo (Typ 5P) | 2005-2009 | Toledo III generation | Confirmed |
| Volkswagen Golf A5 / Mk5 | 2003-2009 | Golf Mk5 platform family | Confirmed |
| Audi A3 (Typ 8P Facelift) | 2008-2013 | A3 8P facelift catalog range | Confirmed |
| Škoda Octavia (Typ 1Z) | 2004-2008 | Octavia 1Z catalog range | Confirmed |
Not listed above, so not confirmed here: later generation platform changes should be checked by VIN or by comparing the part number on the old tank.
Compatibility, Cross-References & Fit Check
| Part / Cross Reference | Notes |
|---|---|
| 1K0121407A | Main part number shown on the listing. |
| 1K0 121 407 A | Spaced catalog format. |
| FEBI 46748 | Aftermarket replacement reference seen in catalog data. |
| MEYLE 1002230009 | Aftermarket replacement reference seen in catalog data. |
| VAICO V10-0433 | Aftermarket replacement reference seen in catalog data. |
Symptoms of a Faulty Expansion Tank
- Coolant warning light or low coolant level messages.
- Visible cracks, staining, or damp coolant residue around the tank.
- Loss of pressure, bubbling, or coolant smell in the engine bay.
- Overheating, unstable coolant level, or repeated top-ups.
- Cap seal wear causing pressure loss and poor cooling performance.
Fitting Instructions, Tools & Labour Guide
| Step | Detail |
|---|---|
| 1 | Allow the engine to cool fully before opening the cooling system. |
| 2 | Remove the cap carefully and inspect the old tank for cracks or staining. |
| 3 | Transfer sensors/caps/hoses only if they are serviceable and match the replacement tank. |
| 4 | Install the new tank, refit hoses, and secure the clips. |
| 5 | Refill coolant to the correct level and bleed the system as required by the vehicle. |
| 6 | Check for leaks, warning lights, and correct operating temperature after a short test drive. |
| Required Tools | Typical Repair Time | Garage Cost Guide |
|---|---|---|
| Basic hand tools, hose clamp pliers, funnel, gloves, correct coolant, tray, rags | Approx. 30-60 minutes | Cost = labour hours × hourly rate |
0.5 hour at £60/hr = £30.00
0.5 hour at £80/hr = £40.00
1.0 hour at £60/hr = £60.00
1.0 hour at £80/hr = £80.00
A live calculator would require active content, which is intentionally omitted for eBay compliance.
Why Buy a Better Used Original Part?
A quality original part can be a smarter choice than a low-cost copy because the fit, hose positions, mounting points, and material quality are matched to the vehicle design. That helps reduce comebacks, saves time during installation, and improves the chance of a first-time fix.
Buying used can also deliver major savings compared with buying new, while still keeping the correct factory fitment and avoiding poor-quality pattern parts.
Collections, Postage & Business Information
- Collections: 7 days a week until 8pm by appointment, including bank holidays by prior appointment.
- Postage: Worldwide postage through eBay GSP where eligible.
- VAT: Global VAT scheme — no VAT is charged.
- Returns: 50% restock fee applies to returns under “Doesn’t Fit” or “Item not as Described” where the fitment was clearly stated.
- Address: Buyers must ensure checkout address is correct as we cannot change it for them after purchase.
- Other service: We buy cars for cash with nationwide collection and same-day payment.
WhatsApp QR Code for Collections
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Small Business & Recycling Message
Buying from a local small business helps keep specialist automotive knowledge in the community. Recycling good used parts also reduces waste, keeps usable materials in circulation, and lowers the demand for unnecessary new production. 🌍🔧