BorgWarnerAftermarket

ST121 - Sensor, coolant temperature (SKODA OE 4A0 919 501 A) AUDI A4 B5 (8D2) 1.9 TDI

BorgWarner ST121 Sensor, coolant temperature — image 1 of 1
23.27 USDper unitOut of stock

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Also searched as 4A0919501A, 059919501.

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

ST121 Description

The BorgWarner ST121 is a aftermarket Sensor, coolant temperature (SKODA OE 4A0 919 501 A) AUDI A4 B5 (8D2) 1.9 TDI 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 4A0919501A, 059919501, this part is confirmed to fit AUDI A4 B5, AUDI A4 B5 Avant, AUDI CABRIOLET B3, AUDI A8 D2, AUDI A6 C4 and other vehicle applications. Review the specifications, cross-reference numbers, and fitment tables on this page before you buy.

ST121 Specifications

Fitting Depth [mm]20 mm
Number of connectors4

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Vehicle Fitments

Make sure this part fits your vehicle.

ModelYearsEnginePowerFuelDrive
A4 B5Saloon
1.9 TDI
1995–20001.9L75 hp (55 kW)DieselFWD
A4 B5Saloon
1.8
1995–20001.8L AFY115 hp (85 kW)PetrolFWD
A4 B5Saloon
1.8 quattro
1995–20001.8L AFY115 hp (85 kW)PetrolAWD
A4 B5 AvantEstate
1.8
1995–20011.8L AFY115 hp (85 kW)PetrolFWD
A4 B5Saloon
1.6
2000–20001.6L ALZ102 hp (75 kW)PetrolFWD
A4 B5 AvantEstate
1.6
2000–20011.6L ALZ102 hp (75 kW)PetrolFWD
CABRIOLET B3Convertible
2.6
1993–20002.6L ABC150 hp (110 kW)PetrolFWD
CABRIOLET B3Convertible
2.8
1992–20002.8L AAH, AFC174 hp (128 kW)PetrolFWD
A8 D2Saloon
2.8
1994–19962.8L AAH174 hp (128 kW)PetrolFWD
A8 D2Saloon
2.8 quattro
1994–19962.8L AAH174 hp (128 kW)PetrolAWD
A4 B5Saloon
1.6
1994–20001.6L100 hp (74 kW)PetrolFWD
A4 B5Saloon
1.8
1994–20001.8L ADR, APT, ARG, AVV125 hp (92 kW)PetrolFWD
A4 B5Saloon
1.8 T
1995–20001.8L AEB, ANB, APU, ARK, AWT, ATW150 hp (110 kW)PetrolFWD
A4 B5Saloon
2.6
1995–20002.6L ABC150 hp (110 kW)PetrolFWD
A4 B5Saloon
2.8
1995–19972.8L AAH, AFC174 hp (128 kW)PetrolFWD
A4 B5Saloon
1.9 TDI
1995–20001.9L 1Z, AHU, AHH90 hp (66 kW)DieselFWD
A4 B5Saloon
1.8 quattro
1995–20001.8L ADR, ARG, APT125 hp (92 kW)PetrolAWD
A4 B5Saloon
1.8 T quattro
1995–20001.8L AEB, ARK, AWT, APU, ANB, ATW150 hp (110 kW)PetrolAWD
A4 B5Saloon
2.6 quattro
1995–20002.6L ABC150 hp (110 kW)PetrolAWD
A4 B5Saloon
2.8 quattro
1995–19972.8L AAH, AFC174 hp (128 kW)PetrolAWD
A6 C4Saloon
2.6
1994–19972.6L ABC150 hp (110 kW)PetrolFWD
A6 C4Saloon
2.8
1994–19972.8L AAH, AFC174 hp (128 kW)PetrolFWD
A6 C4 AvantEstate
2.6
1994–19972.6L ABC150 hp (110 kW)PetrolFWD
A6 C4 AvantEstate
2.8
1994–19972.8L AAH, AFC174 hp (128 kW)PetrolFWD
A4 B5Saloon
1.9 TDI
1995–20001.9L110 hp (81 kW)DieselFWD
A4 B5 AvantEstate
1.6
1994–20011.6L ADP, AHL, ANA, ARM100 hp (74 kW)PetrolFWD
A4 B5 AvantEstate
2.6
1996–20012.6L ABC150 hp (110 kW)PetrolFWD
A4 B5 AvantEstate
2.6 quattro
1996–20012.6L ABC150 hp (110 kW)PetrolAWD
A6 C4Saloon
2.8
1995–19972.8L ACK193 hp (142 kW)PetrolFWD
A6 C4 AvantEstate
2.8
1995–19972.8L ACK193 hp (142 kW)PetrolFWD
A8 D2Saloon
2.8
1996–20022.8L ACK, ALG, AMX, APR, AQD193 hp (142 kW)PetrolFWD
A8 D2Saloon
2.8 quattro
1996–20022.8L ACK, ALG, AMX, APR, AQD193 hp (142 kW)PetrolAWD
A4 B5Saloon
1.9 TDI quattro
1996–20001.9L AFN, AVG110 hp (81 kW)DieselAWD
A4 B5Saloon
2.4
1997–20002.4L AGA, ALF, APS, AML, ARJ165 hp (121 kW)PetrolFWD
A8 D2Saloon
2.8
1995–19962.8L AEJ163 hp (120 kW)PetrolFWD
A8 D2Saloon
2.8 quattro
1995–19962.8L AEJ163 hp (120 kW)PetrolAWD
A6 C4Saloon
2.6
1994–19972.6L ACZ139 hp (102 kW)PetrolFWD
A6 C4 AvantEstate
2.6
1994–19972.6L ACZ139 hp (102 kW)PetrolFWD

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.

16 numbers · 12 brands

OE Numbers

SKODA
4A0919501A059919501
SEAT
4A0919501A059919501
VAG
4A0919501A059919501

Aftermarket Cross-References

BERU by DRiV
ST121
VEMO
10990907
HAVAM
1830260
BUGIAD
BTS65306
FAE
3378033782
FACET
73260
PEX
360111
HELLA
6PT009107541
HERTH+BUSS ELPARTS
70511512

Alternatives for ST121

Other genuine and aftermarket parts that fit the same application.

Frequently Asked Questions

What is ST121 - Sensor, coolant temperature (SKODA OE 4A0 919 501 A) AUDI A4 B5 (8D2) 1.9 TDI?

ST121 is a part number from BorgWarner (aftermarket), listed on Sparein as Sensor, coolant temperature (SKODA OE 4A0 919 501 A) AUDI A4 B5 (8D2) 1.9 TDI.

How much does ST121 cost?

ST121 is priced at 23.27 USD per unit, excluding VAT and shipping. Pricing can change with stock and seller updates — check this page for the current price.

Where can I buy ST121 in Dubai or the UAE?

You can order ST121 directly on Sparein, with dispatch dispatch in 20 business days and delivery across Dubai and the wider UAE.

Do you ship ST121 internationally?

Yes — Sparein ships genuine and aftermarket parts, including ST121, outside the UAE. Message us on WhatsApp to confirm shipping cost and delivery time to your country.

How do I compare prices for ST121 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 ST121?

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

ST121

23.27 USD

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