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Details
| Specification | Value |
|---|---|
| Brand | METZGER AUTOTEILE |
| Fitting Position | Transmission Side |
OE numbers (3)
Search by this OE number to find compatible parts
- VAG—03G 121 132
- VAG—03G 121 132 B
- MITSUBISHI—MN980318
Where this part fits
Original-fit position for OE 03G121132. The red ring marks where this part installs on the vehicle.
About this product
METZGER AUTOTEILE Coolant Flange (4010038) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Fitting Position: GS, Fitting Position: 74, Housing Type: 31, Supplementary Article/Supplementary Info: 35, Supplementary Article/Info 2: 63 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, MITSUBISHI, SEAT, SKODA 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: 001-10-21192, 03239, 03G 121 132, 03G 121 132 B and 54 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.
Coolant Flange buying guide
Why replace this part?
Coolant outlet flanges and pipe connectors direct coolant flow through the engine circuit. Plastic flanges crack from thermal cycling; metal flanges develop pinhole corrosion. Either causes coolant loss and overheating.
Signs you need a replacement
- Coolant leak at a pipe junction on the engine
- white crystalline deposit around a fitting
- rapid coolant consumption
- overheating
- steam under the bonnet
When to replace
Inspect every 60,000–80,000 miles. Plastic flanges are a known weak point — replace proactively during major cooling system work.
Suitable cars
Equivalent products (60)
Show all 60 OE numbers
Coolant Flange METZGER AUTOTEILE 4010038 — compatible car models
| Car models | AUDI: A3 (8P1), A3 Convertible (8P7), A3 Sportback (8PA); MITSUBISHI: GRANDIS (NAW); SEAT: ALTEA (5P1), ALTEA XL (5P5, 5P8), LEON (1P1), TOLEDO III (5P2); SKODA: OCTAVIA II (1Z3), OCTAVIA II Combi (1Z5), SUPERB II (3T4), SUPERB II Estate (3T5); VW: CADDY III Box Body/MPV (2KA, 2KH, 2CA, 2CH), CADDY III MPV (2KB, 2KJ, 2CB, 2CJ), EOS (1F7, 1F8), GOLF PLUS V (5M1, 521), GOLF V (1K1), GOLF V Variant (1K5), JETTA III (1K2), PASSAT B6 (3C2), PASSAT B6 Variant (3C5), TOURAN (1T1, 1T2) |
|---|---|
| Engines | 1.9 TDI; 2.0 DI-D (NA8W); 2.0 TDI |
| Year of manufacture | 2003-2016 |
| Manufacturer article number (MPN) | 4010038 |
| OE part numbers | 03G 121 132, 03G 121 132 B, MN980318 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
METZGER AUTOTEILE 4010038 . Fitting Position: 74. Fitting Position: GS. Housing Type: 31. Supplementary Article/Info 2: 63. Supplementary Article/Supplementary Info: 35
- 1x Coolant Flange
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 Coolant Flange compatible with my car?
This Coolant Flange fits AUDI, MITSUBISHI, 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 Coolant Flange have?
This METZGER AUTOTEILE Coolant Flange has the following specifications: Fitting Position: GS; Fitting Position: 74; Housing Type: 31; Supplementary Article/Supplementary Info: 35; Supplementary Article/Info 2: 63. Check the full specifications table above for complete details.
What OE part numbers does this Coolant Flange replace?
This Coolant Flange replaces OE part numbers: 03G 121 132, 03G 121 132 B, MN980318. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Coolant Flange cost?
This METZGER AUTOTEILE Coolant Flange is available for £14.99. Coolant Flange 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 Coolant Flange?
Regular inspection of your Coolant Flange 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 Coolant Flange?
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 Coolant Flange fitted by a professional mechanic.
Can I use this part as a replacement for OE 03G 121 132?
Yes, this METZGER AUTOTEILE Coolant Flange is a direct replacement for OE part number 03G 121 132. 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 METZGER AUTOTEILE 4010038 the same as the METZGER AUTOTEILE 4010004?
No, while both are Coolant Flange parts, they are different products. The METZGER AUTOTEILE 4010038 has Fitting Position: GS, Fitting Position: 74, Housing Type: 31. The METZGER AUTOTEILE 4010004 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.
