Heat Exchanger, interior heating8B3 820 037

Audi and Volkswagen OE number, as listed in aftermarket supplier catalogues. Compare listings for this exact number, then confirm the part number and vehicle fitment before ordering.

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Checked 2026-10-21 17:58 UTC

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Aftermarket part numbers

Supplier articles whose catalogue lists 8B3 820 037. Check the supplier’s own restrictions before ordering. A fitment condition under a part number is one its supplier names for at least one of the vehicles the part is listed for, not for all of them: a vehicle’s page shows which apply to it.

What these parts’ suppliers state

Each value belongs to the part number beside it, not to the OE number: parts that list one OE number can differ. Where your vehicle manufacturer gives a value, it takes precedence.

Specification	Value and the part numbers stating it
Fitting position	Front WALKER WHE000099

VEMO: V10-61-0006Core Length: 250 mm Core Width: 148 mm Core Depth: 32 mm Cooling fins material: Aluminium Supplementary Article/Supplementary Info: with gasket/seal
+2 moreShow fewer
WALKER: WHE000099Core Length: 250 mm Core Width: 148 mm Core Depth: 32 mm Inlet Diameter: 21.8 mm Outlet Diameter: 21.8 mm Material: Aluminium Water Tank Material (radiator): Aluminium Radiator type: Brazed cooling fins Net weight: 0.8 kg
+6 moreShow fewer
Fitting position: FrontFitment conditions:Vehicle Equipment: for vehicles with 2 zone automatic air conditioning, for vehicles with air conditioning, for vehicles with automatic climate control, for vehicles without air conditioning, for vehicles without electr. auxiliary heater for PR number: 9AC, 9AK, 9AQ

Vehicle fitment

Engine code and production dates decide fitment. Model name and year alone don’t.

393 vehicles in 70 model series, inferred

Aftermarket parts that list 8B3 820 037 fit these vehicles according to their supplier catalogues. That does not prove 8B3 820 037 itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

Audi

68 model series · 384 vehicles

Audi model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
A4 (8K) 2007–2 vehicles	11/2007 – 12/2015	CAGB, CJCB, CJCD, CMFB, CSUA, CSUB	0588 / AGY, AXG, BFL, BGB
A4 (8W) 2015–20 vehicles	05/2015 –	CSWB, CVKB, CVKC, CVNA, CYMC, CYRB, CYRC, CZHA, DBPA, DDWA, DEMA, DEMB, DESA, DETA, DEUA, DEUB, DEUC, DEZB, DEZE, DFVA, DKNA, DKYA, DLVA, DLVB, DMSA, DMSB, DTNA, DTNB, DTPA	0588 / BFH, BFI, BFJ, BFL, BFM, BFO, BGB, BGN, BIF, BMF, BMQ, BNR, BNS, BPH, BPJ, BVA, BWI
A4 (8W) Allroad quattro17 vehicles	01/2016 –	CRTC, CSWB, CYMC, CYRB, CYRC, DCPC, DCPE, DDWA, DESA, DETA, DETB, DEUA, DEUB, DFVA, DKNA, DLHB, DMGA, DMTA, DPAA, DTPA	0588 / BGW, BHA, BHB, BHC, BHD, BIM, BIN, BLA, BLB, BLX, BMC, BOB, BOC, BOD, BVD, BWK, BXC
A4 (8W) Avant22 vehicles	08/2015 –	CSWB, CVKB, CVKC, CVLA, CVNA, CYMC, CYRB, CYRC, CZHA, DBPA, DDWA, DEMA, DESA, DETA, DEUA, DEUB, DEUC, DEZB, DEZE, DFVA, DKNA, DKYA, DLVA, DLVB, DMSA, DMSB, DRXA, DTNA, DTNB, DTPA	0588 / BFR, BFS, BFU, BFV, BFX, BGM, BGY, BHK, BHO, BHP, BIG, BIL, BIU, BKB, BKC, BLE, BLW, BLY, BMN, BMS, BNW, BNX, BPI, BPK, BQP, BUX, BWG
A4 (8W) Avant quattro16 vehicles	08/2015 –	CRTC, CSWB, CYMC, CYRB, CYRC, DCPC, DCPE, DDWA, DESA, DETA, DETB, DEUA, DFVA, DKNA, DMGA, DMSA, DMTA, DTPA	0588 / BFT, BFW, BFY, BFZ, BGL, BGX, BGZ, BIS, BIT, BLX, BLZ, BNY, BNZ, BOA, BUY, BUZ, BWH, BXA
A4 (8W) quattro16 vehicles	05/2015 –	CRTC, CSWB, CYMC, CYRB, CYRC, DCPC, DCPE, DDWA, DESA, DETA, DETB, DEUA, DFVA, DKNA, DMGA, DMSA, DMTA, DPAA, DTPA	0588 / BFK, BFN, BFP, BFQ, BGA, BIQ, BIR, BMG, BNT, BNU, BNV, BVB, BVC, BWJ, BXD
A5 (F5) Cabrio15 vehicles	11/2016 –	CSWB, CVKB, CYRB, DDWA, DEMA, DETA, DEUA, DEZB, DEZE, DKNA, DKYA, DLVA, DMSA, DMSB, DTNA, DTNB, DTPA	0588 / BKJ, BKL, BKR, BKT, BLT, BMD, BMP, BOK, BPL, BRP, BUU, BVO, BWP
A5 (F5) Cabrio quattro13 vehicles	11/2016 –	CSWB, CYMC, CYRB, DCPC, DDWA, DETA, DKNA, DLHB, DMSA, DMTA, DPAA, DTPA	0588 / BKQ, BKS, BKU, BLV, BME, BOL, BUV, BUW, BWQ
A5 (F5) Coupe18 vehicles	06/2016 –	CSWB, CVKB, CVKC, CVNA, CYRB, CZHA, DDWA, DEMA, DEMB, DESA, DETA, DEUA, DEZB, DEZE, DHDA, DKNA, DKYA, DLVA, DLVB, DMSA, DMSB, DTNA, DTNB, DTPA	0588 / BIV, BIX, BJH, BJI, BKW, BLR, BMA, BMO, BOH, BPM, BPO, BRO, BUP, BWL
A5 (F5) Coupe quattro16 vehicles	06/2016 –	CRTC, CSWB, CYMC, CYRB, CYRC, DCPC, DCPE, DDWA, DESA, DETA, DKNA, DLHB, DMGA, DMSA, DMTA, DPAA, DTPA	0588 / BIW, BIY, BIZ, BJA, BKD, BKZ, BMB, BOI, BOJ, BUQ, BUR, BWM, BXB
A5 (F5) Sportback21 vehicles	09/2016 –	CSWB, CVKB, CVLA, CVNA, CYRB, CZHA, DDWA, DEMA, DESA, DETA, DEUA, DEUB, DEZB, DEZE, DKNA, DKYA, DLVA, DLVB, DMSA, DMSB, DRXA, DTNA, DTNB, DTPA	0588 / BJJ, BJK, BJL, BJN, BJP, BLD, BLS, BLW, BMH, BMJ, BMR, BMS, BOE, BPN, BPP, BQQ, BRQ, BUS, BWN
A5 (F5) Sportback quattro17 vehicles	08/2016 –	CRTC, CSWB, CYMC, CYRB, CYRC, CZHA, DCPC, DCPE, DDWA, DESA, DETA, DEUA, DKNA, DLHB, DMGA, DMSA, DMTA, DPAA, DTPA	0588 / AZQ, BJM, BJO, BJQ, BJR, BKK, BLC, BLU, BLX, BMI, BMT, BOF, BOG, BUT, BVE, BWO, BXE
A5 (FU) 2024–3 vehicles	07/2024 –	DWZA, DWZB, DYYA	0588 / CBH, CBJ, CBN
A5 (FU) Avant3 vehicles	07/2024 –	DWZA, DWZB, DYYA	0588 / CBG, CBI, CBM
A5 (FU) Avant quattro4 vehicles	07/2024 –	DWZB, DYVA, DYYA	0588 / CBK, CBO, CEF, CEG
A5 (FU) quattro4 vehicles	07/2024 –	DWZB, DYVA, DYYA	0588 / CBL, CBP, CED, CEE
A6 (4A2) 2018–5 vehicles	07/2018 –	DEZD, DEZF, DFBA, DKNA, DLHA, DMTA, DPAA, DTPA, DTPB	0588 / BMY, BOP, BQF, BSP, BTL, BTM, BTN, BTP, BWA
A6 (4A2) quattro11 vehicles	02/2018 –	CVMD, DDVB, DDVE, DDVF, DFBA, DKNA, DLGA, DLHA, DLZA, DMGA, DMGH, DMTA, DPAA, DRYA, DTPA	0588 / BMZ, BNA, BNB, BND, BOQ, BPT, BRI, BRJ, BSS, BTI, BTJ, BTO, BTQ, BTR, BWB, BYZ, BZC, BZD
A6 (4A5) Avant 2018–6 vehicles	05/2018 –	DEZD, DEZF, DFBA, DKNA, DLHA, DMTA, DMTC, DTPA, DTPB	0588 / BNE, BOR, BQD, BSO, BSX, BSY, BSZ, BTB, BVW, BVX
A6 (4A5) Avant quattro11 vehicles	05/2018 –	CVMD, DDVB, DDVE, DDVF, DFBA, DKNA, DLGA, DLHA, DLZA, DMGA, DMGH, DMTA, DRYA, DTPA	0588 / BNF, BNG, BNH, BNI, BOS, BPS, BST, BSU, BSV, BTA, BTC, BTD, BVY, BZA, BZE, BZF
A6 (4AH) Allroad quattro7 vehicles	11/2018 –	DDVB, DDVE, DEWA, DLZA, DMGA, DMGH, DMKD, DTPA	0588 / BQE, BTE, BTF, BTG, BTH, BWC, BWT, BZB
A6 (FN) Allroad quattro1 vehicle1 of them: some versions only	06/2026 –	DYVA	Not listed
A6 (FN) Avant quattro3 vehicles1 of them: some versions only	04/2025 –	DWVA, DYVA	0588 / CCF, CCG, CEI
A6 (FN) quattro3 vehicles	04/2025 –	DWVA, DYVA	0588 / CCH, CCI, CCK
A7 (4K) Sportback 2018–6 vehicles	07/2018 –	DFBA, DKNA, DLHA, DLHC, DMTA, DMTC, DTPA, DTPB	0588 / BMU, BOT, BTV, BTX, BWD, BWE, BWR
A7 (4K) Sportback quattro10 vehicles1 of them: some versions only	10/2017 –	DDVB, DDVE, DDVF, DFBA, DKNA, DLGA, DLHA, DLZA, DMGA, DMGH, DMTA, DRYA, DTPA	0588 / BMV, BMW, BMX, BNC, BOU, BPU, BQO, BRK, BTS, BTT, BTW, BTY, BTZ, BWF, BZG, BZH, BZI
A8 (4N) Long quattro4 vehicles	06/2017 –	CVMD, CXYA, CZSE, DDVC, DMGK, DWPA	0588 / BMK, BML, BSE
A8 (4N) quattro6 vehicles	06/2017 –	CVMD, CVXB, CXYA, CZSA, CZSE, DDVC, DMGK, DWPA	0588 / BMK, BML, BSD, BSE
e-tron (GE) quattro3 vehicles	09/2018 – 07/2023	EASA, EASB, EATA, EAUA, EAVA, EAWA	0588 / BPG, BSK, BSL, BVM
e-tron (GE) Sportback quattro3 vehicles	09/2019 – 07/2023	EASA, EASB, EATA, EAUA, EAVA, EAWA	0588 / BSM, BSN, BVN
Q5 (FY) 2017–3 vehicles	01/2017 –	DEUA, DEUB, DEZE	0588 / BJZ, BLO, BQC, BUH
Q5 (FY) quattro13 vehicles	06/2016 –	DAXB, DAXC, DAYB, DCPC, DCPE, DESA, DETA, DETB, DFBA, DJYA, DLGA, DNTA, DPUA, DPVA, DRYA, DTPA	0588 / BKA, BKG, BKH, BKI, BKM, BKN, BKO, BKP, BLP, BLQ, BMM, BPB, BPC, BQI, BQJ, BQW, BQX, BRE, BRF, BRR, BRS, BRT, BRU, BRV, BRW, BRX, BRY, BSB, BSC, BVI, BVJ, BYI, BYJ 7967 / ABQ, ABR
Q5 (FY) Sportback1 vehicle1 of them: some versions only	04/2021 –	DTNA	0588 / BYU
Q5 (FY) Sportback quattro7 vehicles	08/2020 –	DAXB, DESA, DETA, DMGA, DMSA, DPUA, DPVA, DRYA, DTPA	0588 / BYM, BYN, BYO, BYP, BYQ, BYR, BYS, BYT, BYV, BYW, BZZ, CAB
Q5 (GU) 2022–1 vehicle	01/2025 –	DXAB	0588 / CDK
Q5 (GU) quattro2 vehicles	01/2025 –	DXAB, DYYA	0588 / CDI, CDJ, CDL, CDM
Q5 (GU) Sportback1 vehicle	01/2025 –	DXAB	0588 / CDY
Q5 (GU) Sportback quattro2 vehicles	01/2025 –	DXAB, DYYA	0588 / CDW, CDX, CDZ, CEA
Q7 (4M) quattro17 vehicles	01/2015 –	CREC, CRTC, CRTE, CUEA, CVMD, CVZA, CYMC, CYRB, CZZA, CZZB, DCBD, DCBE, DHXA, DHXC, DMFB, DPXA, DPXB	0588 / AQP, BDM, BDN, BDP, BDQ, BDS, BDT, BDU, BEZ, BFA, BGD, BGE, BGF, BGG, BGJ, BGK, BGO, BGP, BGQ, BGR, BGS, BHI, BHJ, BNJ, BNK, BPD, BPE, BRB, BRC, BSI, BSJ
Q8 (4M) quattro3 vehicles	02/2018 –	DCBD, DHXA, DHXC, DPXA, DPXB	0588 / BNL, BNM, BPQ, BPR, BPV, BPW
Q8 e-tron (GE) quattro2 vehicles	11/2022 – 03/2025	EASA, EASB, EDEA	0588 / CAH, CAJ, CAR, CDR
Q8 e-tron (GE) Sportback quattro2 vehicles	11/2022 – 03/2025	EASA, EASB, EDEA	0588 / CAI, CAK, CDQ
RS4 (8W) Avant quattro1 vehicle	10/2017 –	DECA	1860 / AAS
RS5 (F5) Coupe quattro1 vehicle	04/2017 –	DECA	1860 / AAO
RS5 (F5) Sportback quattro1 vehicle	06/2018 –	DECA	1860 / AAX
RS6 (4A) Avant quattro2 vehicles	09/2019 –	DJPB, DWLA, DYGA, DYGB	0588 / BSQ 1860 / ABA, ABM
RS7 (4K) Sportback quattro2 vehicles	10/2019 –	DJPB, DWLA, DYGA, DYGB	0588 / BSR 1860 / ABB, ABL
RSQ8 (4M) quattro1 vehicle	09/2019 –	DHUB	1860 / ABC
S4 (8W) Avant quattro3 vehicles	05/2016 –	CWGD, DEWB, DMKC	0588 / BHR, BKE, BPY, BXU
S4 (8W) quattro3 vehicles	05/2016 –	CWGD, DEWB, DMKC	0588 / BHQ, BPX, BXV
S5 (F5) Cabrio quattro1 vehicle	11/2016 –	CWGD	0588 / BKV
S5 (F5) Coupe quattro3 vehicles	07/2016 –	CWGD, DEWB, DMKC	0588 / BJB, BPZ, BXW
S5 (F5) Sportback quattro3 vehicles	09/2016 –	CWGD, DEWB, DMKC	0588 / BJS, BQA, BXX
S5 (FU) Avant quattro1 vehicle	07/2024 –	DWVA	0588 / CBQ
S5 (FU) quattro1 vehicle	07/2024 –	DWVA	0588 / CBR
S6 (4A) Avant quattro2 vehicles	03/2019 –	DEWA, DMKD	0588 / BQE, BSW, BWV
S6 (4A) quattro2 vehicles	03/2019 –	DEWA, DMKD	0588 / BQG, BTK, BWU
S7 (4K) Sportback quattro2 vehicles	03/2019 –	DEWA, DMKD	0588 / BQH, BTU, BWS
S8 (4N) Long quattro1 vehicle	06/2022 –	CWWB, DWKA	0588 / BRD, BUO
S8 (4N) quattro1 vehicle	02/2019 –	CWWB, DWKA	0588 / BRD, BUO
SQ5 (FY) quattro3 vehicles1 of them: some versions only	11/2016 –	CWGD, DEWB	0588 / BKX, BKY, BQK, BQL, BRZ, BSA
SQ5 (FY) Sportback quattro3 vehicles	02/2021 –	CWGD, DMKC	0588 / BYX, BYY
SQ5 (GU) quattro1 vehicle	01/2025 –	DWVA	0588 / CDN, CDO
SQ5 (GU) Sportback quattro1 vehicle	01/2025 –	DWVA	0588 / CEB, CEC
SQ7 (4M) quattro1 vehicle	04/2016 –	CZAC, DMVA	0588 / BHS, BIP
SQ8 (4M) quattro2 vehicles	05/2018 –	DCUE, DHVA, DWRB	0588 / BQY, BVL
SQ8 e-tron (GE) quattro1 vehicle	11/2022 – 03/2025	EATA, EAUA, EAVA	0588 / CAL
SQ8 e-tron (GE) Sportback quattro1 vehicle	11/2022 – 03/2025	EATA, EAUA, EAVA	0588 / CAM

Volkswagen

2 model series · 9 vehicles

Volkswagen model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Touareg 3 4motion (CR)6 vehicles	11/2017 –	CVMD, CYRC, DCBE, DENA, DEND, DMVB, DPYC, DPYD	0603 / CGK, CGL, CJI, CJJ, COB, COC, COE
Touareg 3 4motion (RC)3 vehicles	06/2023 –	DCBE, DENA, DEND, DPYC, DPYD	0603 / CGK, CGL, CJI, COB, COC, COE