AICAftermarket

53433 - Control Unit, heating/ventilation (AUDI OE 4B0 820 521) AUDI A6 C5 (4B2, 4B4) 1.8 T quattro

AIC 53433 Control Unit, heating/ventilation — image 1 of 21 / 2
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Also searched as 4B0820521.

Confirmed fit for 50 vehicles — check your vehicle or browse cross-reference numbers.

53433 Description

The AIC 53433 is a aftermarket Control Unit, heating/ventilation (AUDI OE 4B0 820 521) AUDI A6 C5 (4B2, 4B4) 1.8 T quattro for passenger cars. It's available to order online through Sparein, Dubai's auto parts marketplace, with fast dispatch across the UAE and support for international shipping.

Commonly searched under OE and aftermarket numbers including 4B0820521, this part is confirmed to fit AUDI A6 C5, AUDI A6 C5 Avant and other vehicle applications. Review the specifications, cross-reference numbers, and fitment tables on this page before you buy.

53433 Specifications

Number of pins3 -pin connector

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Vehicle Fitments

Make sure this part fits your vehicle.

ModelYearsEnginePowerFuelDrive
A6 C5Saloon
1.8 T quattro
1997–20051.8L AJL180 hp (132 kW)PetrolAWD
A6 C5Saloon
2.4
1998–20052.4L ASM, ALW, ARN136 hp (100 kW)PetrolFWD
A6 C5 AvantEstate
2.4
1998–20052.4L ALW, ARN, ASM136 hp (100 kW)PetrolFWD
A6 C5Saloon
3.7
1999–20053.7L AQG260 hp (191 kW)PetrolFWD
A6 C5Saloon
4.2 quattro
1998–20054.2L AWN, ARS, ASG, ART299 hp (220 kW)PetrolAWD
A6 C5 AvantEstate
1.8 T quattro
1997–20051.8L AJL180 hp (132 kW)PetrolAWD
A6 C5Saloon
3.7 quattro
1999–20053.7L AQG260 hp (191 kW)PetrolAWD
A6 C5 AvantEstate
3.7 quattro
1999–20053.7L AQG260 hp (191 kW)PetrolAWD
A6 C5 AvantEstate
3.7
1999–20053.7L AQG260 hp (191 kW)PetrolFWD
A6 C5 AvantEstate
4.2 quattro
1998–20054.2L ASG, ARS299 hp (220 kW)PetrolAWD
A6 C5Saloon
1.8 T
1997–20051.8L AJL180 hp (132 kW)PetrolFWD
A6 C5 AvantEstate
1.8 T
1999–20051.8L AJL180 hp (132 kW)PetrolFWD
A6 C5Saloon
S6 quattro
1999–20054.2L ANK, AQJ340 hp (250 kW)PetrolAWD
A6 C5 AvantEstate
S6 quattro
1999–20054.2L ANK, AQJ, BBD340 hp (250 kW)PetrolAWD
A6 C5Saloon
2.5 TDI
2000–20052.5L AKE, BAU, BDH180 hp (132 kW)DieselFWD
A6 C5Saloon
2.5 TDI quattro
2000–20052.5L AKE, BAU, BDH180 hp (132 kW)DieselAWD
A6 C5 AvantEstate
2.5 TDI
2000–20052.5L AKE, BAU, BDH180 hp (132 kW)DieselFWD
A6 C5 AvantEstate
2.5 TDI quattro
2000–20052.5L AKE, BAU, BDH180 hp (132 kW)DieselAWD
A6 C5Saloon
1.9 TDI
2000–20051.9L AJM115 hp (85 kW)DieselFWD
A6 C5 AvantEstate
1.9 TDI
2000–20051.9L AJM115 hp (85 kW)DieselFWD
A6 C5Saloon
1.8
1997–20051.8L AFY116 hp (85 kW)PetrolFWD
A6 C5Saloon
2.8
1997–20002.8L AGE180 hp (132 kW)PetrolFWD
A6 C5Saloon
2.8
1999–20052.8L ATX190 hp (140 kW)PetrolFWD
A6 C5 AvantEstate
1.8
1998–20051.8L AFY116 hp (85 kW)PetrolFWD
A6 C5 AvantEstate
2.8
1997–20002.8L AGE180 hp (132 kW)PetrolFWD
A6 C5 AvantEstate
2.8
1999–20052.8L ATX190 hp (140 kW)PetrolFWD
A6 C5Saloon
2.4
1997–20052.4L APC156 hp (115 kW)PetrolFWD
A6 C5 AvantEstate
2.4
1997–20052.4L APC156 hp (115 kW)PetrolFWD
A6 C5Saloon
2.0
2001–20052.0L ALT130 hp (96 kW)PetrolFWD
A6 C5Saloon
3.0
2001–20053.0L ASN220 hp (162 kW)PetrolFWD
A6 C5Saloon
3.0 quattro
2001–20053.0L ASN220 hp (162 kW)PetrolAWD
A6 C5Saloon
2.4
2001–20052.4L BDV170 hp (125 kW)PetrolFWD
A6 C5Saloon
2.4 quattro
2001–20052.4L BDV170 hp (125 kW)PetrolAWD
A6 C5Saloon
2.5 TDI
2001–20052.5L AYM155 hp (114 kW)DieselFWD
A6 C5Saloon
2.7 T quattro
2001–20052.7L ARE, BES250 hp (184 kW)PetrolAWD
A6 C5Saloon
1.9 TDI
2001–20051.9L AWX, AVF130 hp (96 kW)DieselFWD
A6 C5 AvantEstate
2.0
2001–20052.0L ALT130 hp (96 kW)PetrolFWD
A6 C5 AvantEstate
2.4
2001–20052.4L BDV170 hp (125 kW)PetrolFWD
A6 C5 AvantEstate
2.4 quattro
2001–20052.4L BDV170 hp (125 kW)PetrolAWD
A6 C5 AvantEstate
2.5 TDI
2001–20052.5L AYM155 hp (114 kW)DieselFWD
A6 C5 AvantEstate
2.7 T quattro
2001–20052.7L ARE, BES250 hp (184 kW)PetrolAWD
A6 C5 AvantEstate
3.0
2001–20053.0L ASN220 hp (162 kW)PetrolFWD
A6 C5 AvantEstate
3.0 quattro
2001–20053.0L ASN220 hp (162 kW)PetrolAWD
A6 C5 AvantEstate
1.9 TDI
2001–20051.9L AVF, AWX130 hp (96 kW)DieselFWD
A6 C5Saloon
RS6 quattro
2002–20054.2L BCY450 hp (331 kW)PetrolAWD
A6 C5 AvantEstate
RS6 quattro
2002–20054.2L BCY450 hp (331 kW)PetrolAWD
A6 C5Saloon
2.4
1997–20052.4L AMM, AJG, APZ163 hp (120 kW)PetrolFWD
A6 C5Saloon
2.4 quattro
1997–20052.4L APZ, AJG163 hp (120 kW)PetrolAWD
A6 C5 AvantEstate
2.4
1997–20052.4L APZ, AJG, AMM163 hp (120 kW)PetrolFWD
A6 C5 AvantEstate
2.4 quattro
1997–20052.4L AJG, APZ163 hp (120 kW)PetrolAWD

Fitment data is a guide — always confirm the part number printed on your existing part before ordering.

Cross-Reference Numbers

Every number below identifies this same part — the code the vehicle maker stamped on it, and the equivalent codes other brands sell it under. Match any of them against your old part to confirm it's the right one.

20 numbers · 20 brands

OE Numbers

AUDI
4B0820521
VAG
4B0820521

Aftermarket Cross-References

AIC
53433
AKS DASIS
048119N
TOPRAN
111875
ACR
160278
MAXGEAR
AC166846
VEMO
V10790014
OSSCA
08081
FISPA
106033
SWAG
32934793
HERTH+BUSS ELPARTS
75614273
METZGER AUTOTEILE
0917020
RIDEX
1385C0128

Alternatives for 53433

Other genuine and aftermarket parts that fit the same application.

Frequently Asked Questions

What is 53433 - Control Unit, heating/ventilation (AUDI OE 4B0 820 521) AUDI A6 C5 (4B2, 4B4) 1.8 T quattro?

53433 is a part number from AIC (aftermarket), listed on Sparein as Control Unit, heating/ventilation (AUDI OE 4B0 820 521) AUDI A6 C5 (4B2, 4B4) 1.8 T quattro.

How much does 53433 cost?

53433 is priced on request. Message us on WhatsApp for a live quote.

Where can I buy 53433 in Dubai or the UAE?

You can order 53433 directly on Sparein, with dispatch dispatch in 20 business days and delivery across Dubai and the wider UAE.

Do you ship 53433 internationally?

Yes — Sparein ships genuine and aftermarket parts, including 53433, outside the UAE. Message us on WhatsApp to confirm shipping cost and delivery time to your country.

How do I compare prices for 53433 across brands?

See the Cross-Reference Numbers section on this page — the same part is listed under OE and aftermarket numbers from other brands, so you can compare listings and prices for an equivalent part.

Are there alternatives to 53433?

Yes — see the Alternatives section on this page for other parts that fit the same application.

53433

Price on request

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