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Audi A3 8P / Seat Leon 1P / VW Caddy III TSI Engine Cooling Radiator 1K0121251BN
Audi A3 8P / Seat Leon 1P / VW Caddy III TSI Engine Cooling Radiator 1K0121251BN
Audi A3 8P / Seat Leon 1P / VW Caddy III TSI Engine Cooling Radiator 1K0121251BN
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Audi A3 8P / Seat Leon 1P / VW Caddy III TSI Engine Cooling Radiator 1K0121251BN

ACP-5373-01
In stock
$454.57
Additional charges will be calculated at checkout based on your delivery address.
$454.57
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Audi A3 8P / Seat Leon 1P / VW Caddy III TSI Engine Cooling Radiator 1K0121251BN
Aluminum Brazed - $454.57
Description

Overview

This new engine radiator is a replacement for OE-reference numbers 1K0121251BN and 1K0121251CM. It is listed for Audi, Seat and Volkswagen models fitted with small-capacity turbocharged petrol engines. The radiator is the main heat exchanger in the cooling system, and a damaged or clogged core can cause overheating, coolant loss and reduced performance, particularly in summer traffic or when the car is heavily loaded.

Vehicle compatibility

Listed fitment data provides 22 rows. These include the Audi A3 8P1 1.4 TFSI (2003–2012), Seat Leon 1P1 1.4 TSI (2005–2012), Volkswagen Caddy III van 1.2 TSI (2004–2015), and multiple Seat Leon, Altea, Altea XL, Altea Freetrack and Toledo trim levels from 2004 onward, including Leon Cupra and FR variants. Engine details are not given for every trim, so check that your engine matches. Higher-output Cupra and FR versions may use a different cooling package.

Key features

  • Available as aluminium brazed or expanding pipe construction (customer selects option)
  • Matched to two OE-reference numbers in the 1K0121251 family
  • New condition replacement for repair or preventative servicing
  • Restores stable engine temperatures under load

Specifications

Part type Engine cooling radiator
OE-reference numbers 1K0121251BN, 1K0121251CM
Construction options Aluminium brazed or expanding pipe
Listed engines 1.2 TSI, 1.4 TSI, 1.4 TFSI
Condition New
Approx. packed dimensions 100 x 25 x 80 cm
Approx. packed weight 20.0 kg

Installation

For best results, have the radiator installed by a qualified technician. Work with the engine cold, drain the coolant safely and support the front-end carrier where required. Carefully transfer the cooling fan assembly and any sensors. Use the coolant grade specified by the vehicle manufacturer, bleed all air from the system and recheck the level after the first few drives.

Fitment checks before ordering

Volkswagen group cars on this platform use several radiator sizes depending on engine, gearbox and air-conditioning. Please confirm the OE number on your existing radiator or check your VIN with our team before ordering.

What's included

1 x radiator. Contents as pictured/listed for the selected option; fans, hoses, clips and mounting hardware are not included unless stated.

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