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BrandMTR
MPN30057437
OE refs2
SKU6896-30057437

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Details

SpecificationValue
BrandMTR
CategoryRadiator
Connector typeQF
Inlet Diameter 1 [mm]32 mm
Connection Diameter 1 [mm]32 mm
Core Length [mm]630 mm
Core Width [mm]400 mm
Core Depth [mm]35 mm

OE numbers (2)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 8E0121251. The red ring marks where this part installs on the vehicle.

Cooler for coolant — A4 A4/S4 Cabriolet Quattro B6 (Typ 8E/8H) (2003–2006) — Cooler for coolant Reservoir
A4 A4/S4 Cabriolet Quattro B6 (Typ 8E/8H) (2003–2006) · Cooler for coolant ReservoirPosition 1

About this product

When radiator performance matters, the MTR 30057437 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Connector type: QF, Supplementary Article/Supplementary Info: 0, Machined: 72, Inlet Diameter 1 [mm]: 32 mm, Connection Diameter 1 [mm]: 32 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUDI, SEAT 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: 0019209, 0110.3119, 0110.9119, 03002195 and 29 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MTR 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.

Radiator buying guide

Why replace this part?

The radiator dissipates engine heat by transferring it from coolant to the air. A leaking or clogged radiator causes engine overheating, which can result in catastrophic engine damage including warped heads and blown gaskets.

Signs you need a replacement

  • Coolant leaks or puddles under the car
  • engine overheating
  • discoloured or rusty coolant
  • visible corrosion or damage to radiator fins
  • steam from under the bonnet

When to replace

Typically lasts 8–10 years. Replace when leaks develop or internal blockages cause overheating. Flush cooling system every 5 years.

Installation difficulty:Moderate — requires basic tools and mechanical knowledge

Suitable cars

Equivalent products (29)

Show all 29 OE numbers
4SEASONS102.102
4SEASONS102102/
AKS DASIS480029N
AUGROS55002414
AUGROS5500562S
AURADIAKAI201
BINDER1327,902,1
FRIGAIR0110.3119
FRIGAIR0110.9119
FRIGAIR1103119
HELLA8MK376766-261
HELLA8MK376766-264
HELLA8MK 376 781-001
HELLA8MK376781-001
KÜHLER SCHNEIDER9931201
MAHLECR1417000P
MAHLECR1417000S
NISSENS60304
NOR0019209
NRF50539£81.99
NRF50539A£65.99
PRASCOAD020R011
SCHLIECKMANN60032201
TYC702-0012
VAICOV15-60-6039
VAN WEZEL03002195

Radiator MTR 30057437compatible car models

Car modelsAUDI: A4 B6 (8E2), A4 B6 Avant (8E5), A4 B6 Convertible (8H7), A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Convertible (8HE), A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6); SEAT: EXEO (3R2), EXEO ST (3R5)
Engines1.6; 1.8 T; 2.0
Year of manufacture1997-2013
Manufacturer article number (MPN)30057437
OE part numbers8E0 121 251, 8E0 121 251 A
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Description and what's included

MTR 30057437 Radiator. Connection Diameter 1 [mm]: 32 mm. Connector type: QF. Cooling fins material: 1. Core Depth [mm]: 35 mm. Core Length [mm]: 630 mm. Core Width [mm]: 400 mm. Inlet Diameter 1 [mm]: 32 mm. Machined: 72

What's included:
  • 1x Radiator
Shipping, returns, warranty

Free UK delivery on orders over £50.00. 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 Radiator compatible with my car?

This Radiator fits AUDI, SEAT 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 MTR Radiator have?

This MTR Radiator has the following specifications: Connector type: QF; Supplementary Article/Supplementary Info: 0; Machined: 72; Inlet Diameter 1 [mm]: 32 mm; Connection Diameter 1 [mm]: 32 mm; Cooling fins material: 1. Check the full specifications table above for complete details.

What OE part numbers does this Radiator replace?

This Radiator replaces OE part numbers: 8E0 121 251, 8E0 121 251 A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Radiator cost?

Radiator prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this MTR Radiator. All parts come with our 14-day money-back guarantee.

How do I know when to replace my Radiator?

Signs of a failing radiator include visible coolant leaks (coloured fluid under the vehicle), engine overheating, coolant level dropping without explanation, or discolouration and corrosion on the radiator fins.

What tools do I need to replace a Radiator?

Tools needed: coolant drain pan, hose clamp pliers, flat-head screwdriver, 8-10mm socket, new coolant (correct type and mix ratio), funnel. Difficulty: Moderate DIY. Safety warning: Never open the radiator cap or coolant expansion tank on a hot engine -- pressurised coolant causes severe burns. Dispose of old antifreeze responsibly as it is toxic to animals.

Can I use this part as a replacement for OE 8E0 121 251?

Yes, this MTR Radiator is a direct replacement for OE part number 8E0 121 251. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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