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Details
| Specification | Value |
|---|---|
| Brand | HEPU |
| MPN | tm1452 |
| for OE number | 03L121132AA |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- AUDI / SEAT / SKODA / VW—03L 121 132 AA
Where this part fits
Original-fit position for OE 03L121132AA. The red ring marks where this part installs on the vehicle.
About this product
When coolant flange performance matters, the HEPU TM1452 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: for OE number: 03L121132AA, Fitting Position: 74, Material: Plastic, Supplementary Article/Info 2: Nylon. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUDI, SEAT, SKODA, VW 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: 03L 121 132 AA, 1114509400, 114 918, 4010126 and 7 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HEPU 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.
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 (10)
Coolant Flange HEPU TM1452 — compatible car models
| Car models | AUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF), A3 (8P1), A3 Convertible (8P7), A3 Sportback (8PA), Q3 (8UB, 8UG), TT (8J3), TT Roadster (8J9); SEAT: ALHAMBRA (710, 711), ALTEA (5P1), ALTEA XL (5P5, 5P8), IBIZA IV (6J5, 6P1), IBIZA IV Hatchback Van (6J1), IBIZA IV SC (6J1, 6P5), IBIZA IV ST (6J8, 6P8), LEON (1P1), TOLEDO IV (KG3); SKODA: FABIA II (542), FABIA II Combi (545), OCTAVIA II (1Z3), OCTAVIA II Combi (1Z5), RAPID (NA2), RAPID (NH3, NK3, NK6), RAPID Spaceback (NH1), ROOMSTER (5J7), ROOMSTER Praktik (5J), SUPERB II (3T4) (+2 more); VW: BEETLE (5C1, 5C2) |
|---|---|
| Engines | 1.6 TDI; 2.0 TDI; 2.0 TDI quattro |
| Year of manufacture | 2003-2022 |
| Manufacturer article number (MPN) | TM1452 |
| OE part numbers | 03L 121 132 AA |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HEPU tm1452 . Fitting Position: 74. for OE number: 03L121132AA. Material: 6. Supplementary Article/Info 2: 14
- 1x Coolant Flange
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 Coolant Flange compatible with my car?
This Coolant Flange fits AUDI, 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 HEPU Coolant Flange have?
This HEPU Coolant Flange has the following specifications: for OE number: 03L121132AA; Fitting Position: 74; Material: 6; Supplementary Article/Info 2: 14. 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: 03L 121 132 AA. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Coolant Flange cost?
This HEPU Coolant Flange is available for £17.99. Coolant Flange prices vary depending on brand, specifications, and vehicle compatibility. HEPU 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 03L 121 132 AA?
Yes, this HEPU Coolant Flange is a direct replacement for OE part number 03L 121 132 AA. 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 HEPU TM1452 the same as the HEPU TM1068?
No, while both are Coolant Flange parts, they are different products. The HEPU TM1452 has for OE number: 03L121132AA, Fitting Position: 74, Material: 6. The HEPU TM1068 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.
