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Details
| Specification | Value |
|---|---|
| Brand | METZGER AUTOTEILE |
| Opening Temperature [°C] | 92 °C |
OE numbers (7)
Search by this OE number to find compatible parts
- AUDI / SEAT / SKODA / VW—04L 121 026 AE
- AUDI / SEAT / SKODA / VW—04L 121 026 AF
- AUDI / SEAT / SKODA / VW—04L 121 026 AH
- AUDI / SEAT / SKODA / VW—04L 121 026 E
- AUDI / SEAT / SKODA / VW—04L 121 026 F
- AUDI / SEAT / SKODA / VW—04L 121 026 J
- AUDI / SEAT / SKODA / VW—04L 121 026 Q
Where this part fits
Original-fit position for OE 04L121026AH. The red ring marks where this part installs on the vehicle.
About this product
Sourced from METZGER AUTOTEILE, this thermostat coolant (4006444) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Opening Temperature [°C]: 92 °C, Supplementary Article/Supplementary Info: 22, Supplementary Article/Supplementary Info: 98, Supplementary Article/Supplementary Info: Nylon, Supplementary Article/Info 2: 43 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, CUPRA, SEAT, SKODA and 1 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: 001-10-26108, 001-10-26109, 016110, 01665 and 195 more. Matching these numbers confirms a like-for-like replacement with no loss of function. METZGER AUTOTEILE 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 (200)
Show all 200 OE numbers
Thermostat Coolant METZGER AUTOTEILE 4006444 — compatible car models
| Car models | AUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF), A3 (8V1, 8VK), A3 Convertible (8V7, 8VE), A3 Limousine (8VS, 8VM), A3 Sportback (8VA, 8VF), Q2 (GAB, GAG), Q3 (8UB, 8UG), Q3 (F3B), Q3 Sportback (F3N) (+2 more); CUPRA: LEON (KL1, KU1, KUG); SEAT: ALHAMBRA (710, 711), ALHAMBRA VAN (711), ARONA (KJ7, KJP), ATECA (KH7, KHP), IBIZA V (KJ1, KJG), LEON (5F1), LEON Hatchback Van (5F1), LEON (KL1, KLG), LEON SC (5F5), LEON Sportstourer (KL8, KLD) (+4 more); SKODA: KAMIQ (NW4), KAROQ (NU7, ND7), KODIAQ I (NS6, NS7, NV7) |
|---|---|
| Engines | 1.6 TDI; 2.0 TDI; 35 TDI; TDI; 2.0 RS Bi-TDI 4x4 |
| Year of manufacture | 2010-2024 |
| Manufacturer article number (MPN) | 4006444 |
| OE part numbers | 04L 121 026 AE, 04L 121 026 AF, 04L 121 026 AH, 04L 121 026 E, 04L 121 026 F, 04L 121 026 J, 04L 121 026 Q |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
METZGER AUTOTEILE 4006444 . Housing material: 6. Opening Temperature [°C]: 92 °C. Supplementary Article/Info 2: 275. Supplementary Article/Info 2: 43. Supplementary Article/Supplementary Info: 14. Supplementary Article/Supplementary Info: 22. Supplementary Article/Supplementary Info: 98
- 1x Thermostat Coolant
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 4–8 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 Thermostat Coolant compatible with my car?
This Thermostat Coolant fits AUDI, CUPRA, SEAT, SKODA, VW 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 METZGER AUTOTEILE Thermostat Coolant have?
This METZGER AUTOTEILE Thermostat Coolant has the following specifications: Opening Temperature [°C]: 92 °C; Supplementary Article/Supplementary Info: 22; Supplementary Article/Supplementary Info: 98; Supplementary Article/Supplementary Info: 14; Supplementary Article/Info 2: 43; Supplementary Article/Info 2: 275. Check the full specifications table above for complete details.
What OE part numbers does this Thermostat Coolant replace?
This Thermostat Coolant replaces OE part numbers: 04L 121 026 AE, 04L 121 026 AF, 04L 121 026 AH, 04L 121 026 E, 04L 121 026 F, 04L 121 026 J, 04L 121 026 Q. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Thermostat Coolant cost?
This METZGER AUTOTEILE Thermostat Coolant is available for £95.99. Thermostat Coolant prices vary depending on brand, specifications, and vehicle compatibility. METZGER AUTOTEILE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Thermostat Coolant?
Symptoms include engine overheating, heater not producing warm air, temperature gauge fluctuations, or coolant leaks near the thermostat housing.
What tools do I need to replace a Thermostat Coolant?
Tools needed: hose clamp pliers, 8-10mm socket, torque wrench, drain pan, new coolant. Difficulty: Moderate DIY. Safety warning: Never open the cooling system on a warm or hot engine -- coolant is under pressure and causes scalding. Always use the correct coolant specification to avoid corrosion with aluminium engine components.
Can I use this part as a replacement for OE 04L 121 026 AE?
Yes, this METZGER AUTOTEILE Thermostat Coolant is a direct replacement for OE part number 04L 121 026 AE. 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.
