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Heater Matrix Units

Ensure your vehicle’s cooling and heating system runs at its best with a heater matrix from Opie Oils. A functioning heater matrix is essential for keeping your cabin warm in colder months, providing clear windows, and maintaining comfort all year round. Browse the full range below, or use our parts finder to find the right fit for your exact make and model.
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164 Products (Viewing: 60 - 120 of 164)

Febi Bilstein Heat Exchanger (174889)
Febi Bilstein Heat Exchanger (171211)
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Single

Opie Price
£116.95
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Febi Bilstein Heat Exchanger (171947)
Febi Bilstein Heat Exchanger (173344)
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Opie Price
£90.95
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Febi Bilstein Heat Exchanger (173353)
Febi Bilstein Heat Exchanger (173355)
Febi Bilstein Heat Exchanger (173936)
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Opie Price
£154.99
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Febi Bilstein Heat Exchanger (174663)
Febi Bilstein Heat Exchanger (175072)
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Single

Opie Price
£83.50
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Febi Bilstein Heat Exchanger (170413)
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Single

Opie Price
£86.95
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Febi Bilstein Heat Exchanger (108187)
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Opie Price
£112.99
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Febi Bilstein Heat Exchanger (176109)
Febi Bilstein Heat Exchanger (176345)
Mahle Interior Heat Exchanger (AH295000P) Fits: Volvo Trucks
Mahle Interior Heat Exchanger (AH258000P)
Mahle Interior Heat Exchanger (AH298000P) Fits: Land Rover
Mahle Interior Heat Exchanger (AH299000P)
Febi Bilstein Heat Exchanger (183201)
Febi Bilstein Heat Exchanger (183202)
Febi Bilstein Heat Exchanger With Attachment Material (179476) Fits: BMW
Mahle Interior Heat Exchanger (AH266000P) Fits: Peugeot 308
Mahle Interior Heat Exchanger (AH296000S) Fits: Mercedes-Benz Atego 2
Mahle Interior Heat Exchanger (AH306000S) Fits: BMW X5
Mahle Interior Heat Exchanger (AH308000S) Fits: Audi A6
Mahle Interior Heat Exchanger (AH309000S) Fits: Mercedes-Benz B-Class
Mahle Interior Heat Exchanger (AH310000S) Fits: Audi A4
Mahle Interior Heat Exchanger (AH311000S) Fits: Mercedes-Benz S-Class
Mahle Interior Heat Exchanger (AH312000P) Fits: Volvo Trucks FH-Series
Mahle Interior Heat Exchanger (AH312000S) Fits: Volvo FH II
Mahle Interior Heat Exchanger (AH315000S) Fits: Scania R-Series
Mahle Interior Heat Exchanger (AH320000P) Fits: Volkswagen Up!
Mahle Interior Heat Exchanger (AH326000P) Fits: Volvo XC40
Mahle Interior Heat Exchanger (AH113000S) Fits: Mercedes-Benz
Mahle Interior Heat Exchanger (AH115000S) Fits: BMW
Mahle Interior Heat Exchanger (AH192000S)
Mahle Interior Heat Exchanger (AH194000S)
Mahle Interior Heat Exchanger (AH24001S)
Mahle Interior Heat Exchanger (AH27000S) Fits: Scania
Mahle Interior Heat Exchanger (AH304000S) Fits: Mercedes-Benz
Mahle Interior Heat Exchanger (AH305000S) Fits: BMW
Mahle Interior Heat Exchanger (AH307000S) Fits: Mercedes-Benz
Mahle Interior Heat Exchanger (AH313000S)
Mahle Interior Heat Exchanger (AH314000S)
Mahle Interior Heat Exchanger (AH316000S)
Mahle Interior Heat Exchanger (AH317000S)
Mahle Interior Heat Exchanger (AH318000S)
Mahle Interior Heat Exchanger (AH319000S) Fits: Ford
Mahle Interior Heat Exchanger (AH321000S) Fits: Mercedes-Benz
Mahle Interior Heat Exchanger (AH323000S)
Mahle Interior Heat Exchanger (AH324000S)
Mahle Interior Heat Exchanger (AH325000S) Fits: Renault
Mahle Interior Heat Exchanger (AH327000S) Fits: Nissan
Mahle Interior Heat Exchanger (AH328000S) Fits: Hyundai
Mahle Interior Heat Exchanger (AH329000S) Fits: Ford
Mahle Interior Heat Exchanger (AH330000S)
Mahle Interior Heat Exchanger (AH331000S) Fits: Ford
Mahle Interior Heat Exchanger (AH332000S) Fits: VW
Mahle Interior Heat Exchanger (AH333000S)
Mahle Interior Heat Exchanger (AH334000P)
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Single

Opie Price
£84.95
Price Beater
Mahle Interior Heat Exchanger (AH335000P) Fits: Mercedes-Benz

A heater matrix, also known as a heater core or an interior heat exchanger, reheats a portion of the air cooled by the evaporator by exchanging heat with engine-cooling water. The reheated air is then mixed with the remaining evaporator-cooled air and is blown into the vehicle cabin. If your car heater core becomes blocked, leaks, or fails, you may notice weak airflow, fogged windows, or a lack of heating in your vehicle.

At Opie Oils, we offer a wide heater matrix replacement collection, with options for a variety of different makes and models. Whether you’re maintaining an older vehicle or need a direct-fit option for a modern car, you can trust our selection to deliver durability, performance, and easy installation.

Looking for even more cooling and heating essentials? Explore our wider range today for air conditioning, engine cooling, and more heater parts, including heater resistors and fans.

Browse the full heating matrix range at Opie Oils today and enjoy free expert advice, great prices, and free UK delivery on orders over £80.