Name: Radiator DIEDERICHS DCM3440 OE Ref 1K0121251BQ
Brand: DIEDERICHS
SKU: DIEDERICHS-DCM3440
Price: 99.00 GBP
Availability: OutOfStock
Rating: 4.8 (578 reviews)

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Radiator DIEDERICHS DCM3440 OE Ref 1K0121251BQ DIEDERICHS

Key Specification:

EAN: 4052355491213
OEM Reference number: 1K0121251AR
Supplementary Info: DIEDERICHS Climate
Supplementary Info: Climate
Radiator type: Brazed cooling fins

See Full Specification

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£ 99.00

£ 74.79 excl. VAT

Out of stock

SKU:	DIEDERICHS DCM3440
Brand	DIEDERICHS

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Specification
Description
OEM Numbers
Compatibilities
Reviews

EAN

4052355491213

OEM Reference number

1K0121251AR

Supplementary Info

DIEDERICHS Climate

Supplementary Info

Climate

Radiator type

Brazed cooling fins

Core Length [mm]

650

Core Width [mm]

415

Core Depth [mm]

Material

Aluminium

Packing Unit

Inlet [mm]

PURPOSE GROUP

Engine Cooling

Outlet [mm]

Radiator DIEDERICHS DCM3440 OE Ref 1K0121251BQ

Radiator DIEDERICHS OE Ref 1K0121251BQ – DIEDERICHS – OEM 1K0121251AR

This Radiator DIEDERICHS OE Ref 1K0121251BQ is supplied by DIEDERICHS as a replacement for OEM reference 1K0121251AR. It is intended for use in selected AUDI, SEAT, SKODA, VW vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference DCM3440 and EAN EAN: 4052355491213, allowing accurate product identification and compatibility checks before installation. It is suitable for replacing worn, damaged, or non-functioning components where reliable operation is required.

DIEDERICHS ClimateClimate

Correct part selection is essential to ensure proper fitment. Please verify compatibility by matching the OEM reference number or using the vehicle registration lookup tool before ordering.

Vehicle Compatibility

Compatible with selected AUDI, SEAT, SKODA, VW models. Full compatibility details are available in the Compatibility section of this page.

If this part is not suitable for your vehicle, browse alternative options in our Engine Cooling System category.

Reference number(s) comparable with the original spare part number

VW 1K0121251AR VW 1K0121251BQ VW 1K0121251BR VW 1K0121251CD VW 1K0121251CE VW 1K0121251CJ VW 1K0121251DF VW 1K0121251DL VW 1K0121251E VW 1K0121251F VW 1K0121251H VW 1K0121251P VW 1K0121251Q VW 1K0121345H

OE reference number(s) comparable with the original spare part number

AUDI

AUDI A3 (8P1) From 05/2003 to 12/2013

1.6 4WD 05/2003-08/2012, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: BGU, BSE, BSF, CCSA

1.6 FSI 4WD 08/2003-09/2007, 85 kw, 1598 ccm, 115 PS, Hatchback, Petrol , ENG: BLP, BLF, BAG

2.0 FSI 4WD 05/2003-06/2008, 110 kw, 1984 ccm, 150 PS, Hatchback, Petrol , ENG: BLR, AXW, BVY, BVZ, BLX, BLY, BMB

AUDI A3 Sportback (8PA) From 09/2004 to 12/2015

2.0 FSI 4WD 09/2004-06/2008, 110 kw, 1984 ccm, 150 PS, Hatchback, Petrol , ENG: BLR, AXW, BVY, BVZ, BLX, BLY, BMB

1.6 4WD 09/2004-03/2013, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: BGU, BSE, BSF, CCSA

1.6 FSI 4WD 09/2004-09/2007, 85 kw, 1598 ccm, 115 PS, Hatchback, Petrol , ENG: BLP, BLF

SEAT

SEAT ALTEA (5P1) From 03/2004

2.0 FSI 4WD 05/2004-03/2009, 110 kw, 1984 ccm, 150 PS, MPV, Petrol , ENG: BLR, BLY, BVY, BVZ

1.6 4WD 03/2004-03/2010, 75 kw, 1595 ccm, 102 PS, MPV, Petrol , ENG: BSE, BSF, CCSA, BGU

SEAT ALTEA XL (5P5, 5P8) From 10/2006

1.6 4WD 10/2006-11/2010, 75 kw, 1595 ccm, 102 PS, MPV, Petrol , ENG: BSE, BSF, CCSA, BGU

2.0 FSI 4WD 10/2006-03/2009, 110 kw, 1984 ccm, 150 PS, MPV, Petrol , ENG: BVY, BVZ

2.0 TFSI 4WD 10/2006-05/2009, 147 kw, 1984 ccm, 200 PS, MPV, Petrol , ENG: BWA

1.6 Multifuel 4WD 10/2006-11/2010, 75 kw, 1595 ccm, 102 PS, MPV, Petrol , ENG: BSE, CMXA, BSF, CCSA

SEAT LEON (1P1) From 05/2005 to 12/2013

1.6 4WD 07/2005-12/2012, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: BSE, BSF, CCSA

1.4 16V 4WD 06/2006-12/2012, 63 kw, 1390 ccm, 86 PS, Hatchback, Petrol , ENG: CGGB, BXW

1.6 LPG 4WD 12/2009-12/2012, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: CHGA

2.0 FSI 4WD 07/2005-05/2010, 110 kw, 1984 ccm, 150 PS, Hatchback, Petrol , ENG: BLR, BLY, BVY, BVZ

1.6 MultiFuel 4WD 07/2005-08/2013, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: BSE, CMXA, CCSA

SEAT TOLEDO III (5P2) From 04/2004 to 05/2009

1.6 4WD 10/2004-05/2009, 75 kw, 1595 ccm, 102 PS, MPV, Petrol , ENG: BSE, BSF, CCSA, BGU

2.0 FSI 4WD 10/2004-05/2009, 110 kw, 1984 ccm, 150 PS, MPV, Petrol , ENG: BLR, BLY, BVY, BVZ

SKODA

SKODA OCTAVIA I (1U2) From 09/1996 to 12/2010

1.4 16V 4WD 09/2000-12/2010, 55 kw, 1390 ccm, 75 PS, Hatchback, Petrol , ENG: AXP, BCA

SKODA OCTAVIA I Combi (1U5) From 07/1998 to 12/2010

1.4 16V 4WD 08/2000-12/2010, 55 kw, 1390 ccm, 75 PS, Estate, Petrol , ENG: AXP, BCA

SKODA OCTAVIA II (1Z3) From 02/2004 to 06/2013

1.6 MultiFuel 4WD 01/2008-06/2013, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: CCSA, CMXA

1.6 4WD 06/2004-06/2013, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: BSE, BSF, CCSA, CMXA, BGU

2.0 FSI 4WD 11/2004-10/2008, 110 kw, 1984 ccm, 150 PS, Hatchback, Petrol , ENG: BLY, BLR, BVY, BVZ

1.6 FSI 4WD 02/2004-10/2008, 85 kw, 1598 ccm, 115 PS, Hatchback, Petrol , ENG: BLF

1.4 4WD 05/2004-05/2006, 55 kw, 1390 ccm, 75 PS, Hatchback, Petrol , ENG: BCA

1.4 4WD 06/2004-04/2013, 59 kw, 1390 ccm, 80 PS, Hatchback, Petrol , ENG: CGGA, BUD

1.6 LPG 4WD 08/2009-11/2012, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: BSE, CHGA

SKODA OCTAVIA II Combi (1Z5) From 02/2004 to 06/2013

1.4 4WD 05/2006-06/2013, 59 kw, 1390 ccm, 80 PS, Estate, Petrol , ENG: CGGA, BUD

2.0 FSI 4x4 4WD 11/2004-04/2009, 110 kw, 1984 ccm, 150 PS, Estate, Petrol , ENG: BLY, BLX, BVX

1.4 4WD 05/2004-05/2006, 55 kw, 1390 ccm, 75 PS, Estate, Petrol , ENG: BCA

1.6 LPG 4WD 08/2009-11/2012, 75 kw, 1595 ccm, 102 PS, Estate, Petrol , ENG: CHGA

1.6 4WD 09/2004-06/2013, 75 kw, 1595 ccm, 102 PS, Estate, Petrol , ENG: BSE, BSF, CCSA, CMXA, BGU

1.6 MultiFuel 4WD 01/2008-06/2013, 75 kw, 1595 ccm, 102 PS, Estate, Petrol , ENG: CCSA, CMXA

2.0 FSI 4WD 11/2004-10/2008, 110 kw, 1984 ccm, 150 PS, Estate, Petrol , ENG: BLY, BLR, BVY, BVZ

1.6 FSI 4WD 02/2004-10/2008, 85 kw, 1598 ccm, 115 PS, Estate, Petrol , ENG: BLF

VW CADDY III Box Body/MPV (2KA, 2KH, 2CA, 2CH) From 03/2004 to 05/2015

1.6 4WD 04/2004-05/2015, 75 kw, 1595 ccm, 102 PS, Box Body/MPV, Petrol , ENG: BGU, BSE, BSF

2.0 SDI 4WD 03/2004-08/2010, 51 kw, 1968 ccm, 70 PS, Box Body/MPV, Diesel , ENG: BST, BDJ

1.4 4WD 05/2006-08/2010, 59 kw, 1390 ccm, 80 PS, Box Body/MPV, Petrol , ENG: BUD

1.4 4WD 03/2004-05/2006, 55 kw, 1390 ccm, 75 PS, Box Body/MPV, Petrol , ENG: BCA

VW CADDY III Estate (2KB, 2KJ, 2CB, 2CJ) From 03/2004 to 05/2015

2.0 SDI 4WD 03/2004-08/2010, 51 kw, 1968 ccm, 70 PS, MPV, Diesel , ENG: BST, BDJ

1.4 4WD 05/2006-08/2010, 59 kw, 1390 ccm, 80 PS, MPV, Petrol , ENG: BUD

1.4 4WD 03/2004-05/2006, 55 kw, 1390 ccm, 75 PS, MPV, Petrol , ENG: BCA

1.6 4WD 04/2004-05/2015, 75 kw, 1595 ccm, 102 PS, MPV, Petrol , ENG: BGU, BSE, BSF

2.0 EcoFuel 4WD 04/2006-05/2015, 80 kw, 1984 ccm, 109 PS, MPV, Petrol , ENG: BSX

VW EOS (1F7, 1F8) From 03/2006 to 08/2015

1.6 FSI 4WD 06/2006-05/2008, 85 kw, 1598 ccm, 115 PS, Convertible, Petrol , ENG: BLF

VW GOLF PLUS V (5M1, 521) From 12/2004 to 12/2013

2.0 FSI 4WD 05/2005-06/2008, 110 kw, 1984 ccm, 150 PS, Hatchback, Petrol , ENG: BLY, BVY, BVZ, BLR

1.6 MultiFuel 4WD 11/2007-12/2013, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: CMXA, CCSA

1.6 FSI 4WD 12/2004-05/2008, 85 kw, 1598 ccm, 115 PS, Hatchback, Petrol , ENG: BLF

1.6 BiFuel 4WD 05/2009-12/2013, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: CHGA

VW GOLF V (1K1) From 10/2003 to 07/2010

1.4 16V 4WD 05/2006-11/2008, 59 kw, 1390 ccm, 80 PS, Hatchback, Petrol , ENG: BUD

1.6 FSI 4WD 10/2003-07/2008, 85 kw, 1598 ccm, 115 PS, Hatchback, Petrol , ENG: BLF, BAG, BLP

1.4 16V 4WD 10/2003-05/2006, 55 kw, 1390 ccm, 75 PS, Hatchback, Petrol , ENG: BCA

1.6 4WD 01/2004-11/2008, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: BGU, CCSA, BSE, BSF

2.0 FSI 4motion 4WD 08/2004-11/2008, 110 kw, 1984 ccm, 150 PS, Hatchback, Petrol , ENG: BVX, BLX

1.4 FSI 4WD 10/2003-07/2006, 66 kw, 1390 ccm, 90 PS, Hatchback, Petrol , ENG: BKG, BLN

2.0 FSI 4WD 01/2004-11/2008, 110 kw, 1984 ccm, 150 PS, Hatchback, Petrol , ENG: BVX, BLX, BLY, BVY, BVZ, BLR, AXW

1.6 MultiFuel 4WD 10/2007-11/2008, 75 kw, 1595 ccm, 102 PS, Hatchback, Petrol , ENG: CCSA

VW GOLF V Estate (1K5) From 01/2007 to 07/2009

1.6 MultiFuel 4WD 11/2007-07/2009, 75 kw, 1595 ccm, 102 PS, Estate, Petrol , ENG: CCSA

VW JETTA III (1K2) From 09/2004 to 12/2013

2.5 4WD 07/2008-10/2010, 125 kw, 2480 ccm, 170 PS, Saloon, Petrol , ENG: CCCA, CBTA, CBUA

2.0 FSI 4WD 08/2005-10/2010, 110 kw, 1984 ccm, 150 PS, Saloon, Petrol , ENG: BLX, BLY, BVY, BVZ, BLR

2.5 4WD 01/2006-10/2010, 110 kw, 2480 ccm, 150 PS, Saloon, Petrol , ENG: BGQ, BTK, BGP

VW PASSAT B6 (3C2) From 03/2005 to 12/2010

2.0 FSI 4WD 03/2005-07/2010, 110 kw, 1984 ccm, 150 PS, Saloon, Petrol , ENG: BVX, BLY, BVY, BVZ, BLR

VW PASSAT B6 Estate (3C5) From 08/2005 to 11/2011

2.0 FSI 4motion 4WD 09/2005-11/2010, 110 kw, 1984 ccm, 150 PS, Estate, Petrol , ENG: BVX, BLX, BLY

2.0 FSI 4WD 08/2005-11/2010, 110 kw, 1984 ccm, 150 PS, Estate, Petrol , ENG: BLY, BVY, BVZ, BLR

VW TOURAN (1T1, 1T2) From 02/2003 to 05/2010

2.0 FSI 4WD 10/2003-01/2007, 110 kw, 1984 ccm, 150 PS, MPV, Petrol , ENG: BLX, BLY, BVY, BVZ, BLR, AXW

1.6 4WD 07/2003-05/2010, 75 kw, 1595 ccm, 102 PS, MPV, Petrol , ENG: BGU, BSE, BSF

2.0 EcoFuel 4WD 02/2006-05/2009, 80 kw, 1984 ccm, 109 PS, MPV, Petrol , ENG: BSX

1.6 FSI 4WD 02/2003-01/2007, 85 kw, 1598 ccm, 115 PS, MPV, Petrol , ENG: BLF, BAG, BLP

Berry
12 Nov, 2025
elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
Edward & Susan
20 OCT, 2025
These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
Charlie
27 AUG, 2025
eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
Adam Taylor
12 May, 2025
Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
Helena Garcia
2 January, 2025
The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.