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Audi Radiator 4H0121251B – Behr 376756681
Audi Radiator 4H0121251B – Behr 376756681
Audi Radiator 4H0121251B – Behr 376756681
Audi Radiator 4H0121251B – Behr 376756681

Audi Radiator 4H0121251B – Behr 376756681

MAHLE BEHR
Disponibilidad:
Agotado
SKU 376756681
Agotado
$189.95 - $189.95
$189.95
$189.95 - $189.95
$189.95
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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This Behr radiator (4H0121251B) is a direct replacement for Audi A8 D4 models with 3.0L, 4.0L, 4.2L, or 6.3L engines. OE-quality construction ensures optimal cooling performance and long service life for the flagship luxury sedan.

Key Features & Benefits

  • Direct Fitment: Designed for Audi A8 D4 (2010-2017).
  • Aluminum Core with Plastic Tanks: Provides efficient heat exchange and durability.
  • OE Specification: Manufactured to meet or exceed original equipment standards.
  • Multi-Engine Compatibility: Fits 3.0T, 4.0T, 4.2 V8, and 6.3 W12 variants.
  • Robust Construction: Withstands high operating pressures and temperature cycles.

Vehicle Fitment

Make Model Years Engine
Audi A8 Quattro 2013 4.0V8
Audi A8 Quattro 2015–2017 4.0V8
Audi A8 Quattro 2012–2016 6.3W12
Audi A8 Quattro 2010–2012 4.2V8

Technical Specifications

Part Number (OEM) 4H0121251B
Behr Reference 376756681
Core Material Aluminum
Tank Material Plastic
Engine Fitment 3.0L V6, 4.0L V8, 4.2L V8, 6.3L W12

Installation Notes

Direct bolt-in replacement; professional installation recommended.

About MAHLE BEHR

MAHLE BEHR is a leading OE supplier for European vehicles, known for high-quality cooling system components.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 5 applications
D4
Make Model Engine Years
Audi A8 Quattro 4.0V8 2013–2013
Audi A8 Quattro 4.0V8 2015–2017
Audi A8 Quattro 6.3W12 2012–2016
Audi A8 Quattro 3.0V6 2013–2013
Audi A8 Quattro 4.2V8 2010–2012
Fits 5 vehicle applications Check vehicle fitment before ordering View fitment

About this Radiator

The MAHLE BEHR 376756681 radiator releases engine heat to the air flowing through it, keeping the engine at its correct operating temperature. Many European radiators use plastic end tanks that can crack with age and heat cycles.

Frequently asked questions

What are the signs of a failing radiator?

Coolant leaks or white or green residue on the radiator, a cracked plastic tank, frequent low-coolant warnings, or the engine running hotter than normal, especially in traffic or when towing.

What should I replace along with the radiator?

Replace the O-rings, clamps and any brittle hoses or plastic fittings at the connections. If the car has high mileage, it is a good time to consider the thermostat and the expansion tank as well.

What coolant should I use?

Use the coolant your car's manufacturer specifies, mixed to the correct ratio, and flush the old coolant if it looks dirty or contaminated.

How do I refill the system after installation?

Fill with the correct coolant and bleed the air out following your car's procedure, which may include bleed screws or an electric water pump bleed routine. Trapped air can cause overheating even with a new radiator.

How do I make sure this radiator fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.