Steering Knuckle Borsehung B18508
Steering Knuckle Wheel Suspension Borsehung B18508. Fitting position: Left. Fits 20 car models (AUDI, SEAT, SKODA +1). Replaces 5 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- Borsehung
- Fitting Position
- Left
- Category
- Steering Knuckle Wheel Suspension
- MPN
- B18508
- SKU
- 4815-B18508
- GTIN / EAN
- 4251475108999
- What's included
- 1x Steering Knuckle Wheel Suspension
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
- VAG5Q0407255K
- VAG5Q0407255Q
- VAG5Q0407255R
- VAG5QD407255A
- VAG5QM407255
Where this part fits
Original-fit position for OE 5Q0407255K. The red ring marks where this part installs on the vehicle.

Equivalent products. They fit in the same place.
0 available · 1 number
All 1 cross-reference number
Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.
- BOGAP A3341111
Compatible cars. AUDI, SEAT, SKODA +1, 20 models.
Matched from the manufacturer's data.
Steering Knuckle Wheel Suspension for AUDISteering Knuckle Wheel Suspension for SEATSteering Knuckle Wheel Suspension for SKODASteering Knuckle Wheel Suspension for VW
| Model | Engines | Years |
|---|---|---|
| AUDI4 models | ||
| AUDI A3 (8V1, 8VK) | 1.0 TFSI, 1.2 TFSI, 1.4 TFSI, 1.4 TSI, 1.5 TFSI, 1.6 TDI, 1.8 TFSI, 1.8 TFSI quattro, 2.0 TDI, 2.0 TDI quattro, 2.0 TFSI, 2.0 TFSI quattro, S3 quattro | 2012–2020 |
| AUDI A3 Convertible (8V7, 8VE) | 1.4 TFSI, 1.4 TSI, 1.5 TFSI, 1.6 TDI, 1.8 TFSI, 1.8 TFSI quattro, 2.0 TDI, 2.0 TDI quattro, 2.0 TFSI, 2.0 TFSI quattro, 35 TFSI, 40 TFSI, 40 TFSI quattro, S3 quattro | 2013–2021 |
| AUDI A3 Limousine (8VS, 8VM) | 1.0 TFSI, 1.2 TFSI, 1.4 TFSI, 1.4 TSI, 1.5 TFSI, 1.6 TDI, 1.6 TDI quattro, 1.8 TFSI, 1.8 TFSI quattro, 2.0 TDI, 2.0 TDI quattro, 2.0 TFSI, 2.0 TFSI quattro, 30 TDI, 30 TFSI, 35 TDI, 35 TFSI, 40 TDI quattro, 40 TFSI, 40 TFSI quattro, S3 quattro | 2013–2021 |
| AUDI A3 Sportback (8VA, 8VF) | 1.0 TFSI, 1.2 TFSI, 1.4 TFSI, 1.4 TFSI g-tron, 1.4 TSI, 1.5 TFSI, 1.6 TDI, 1.6 TDI quattro, 1.8 TFSI, 1.8 TFSI quattro, 2.0 45 TFSI, 2.0 TDI, 2.0 TDI quattro, 2.0 TFSI, 2.0 TFSI quattro, 30 g-tron, 30 TDI, 30 TFSI, 35 TDI, 35 TFSI, 40 TDI quattro, 40 TFSI, 40 TFSI quattro, S3 quattro | 2012–2021 |
| SEAT7 models | ||
| SEAT LEON (5F1) | 1.0 TSi, 1.0 TSI, 1.2 TSI, 1.4 TGI, 1.4 TSI, 1.5 TGi, 1.5 TSI, 1.6 TDI, 1.8 TSI, 2.0 Cupra, 2.0 Cupra R, 2.0 TDI, 2.0 TSI | 2012–2021 |
| SEAT LEON (KL1, KLG) | 1.0 TSI, 1.0 TSI Mild Hybrid, 1.4 TSI e-Hybrid, 1.5 eTSI, 1.5 TGI CNG, 1.5 TSI, 2.0 TDI, 2.0 TFSI | 2019– |
SEAT5 more models
| Model | Engines | Years |
|---|---|---|
| SEAT LEON Hatchback Van (5F1) | 1.0 TSI, 1.2 TSI, 1.4 TSI, 1.6 TDI, 1.8 TFSI, 2.0 Cupra, 2.0 TDI | 2012–2020 |
| SEAT LEON SC (5F5) | 1.0 TSI, 1.2 TSI, 1.4 TSI, 1.6 TDI, 1.8 TSI, 2.0 Cupra, 2.0 TDI | 2013–2018 |
| SEAT LEON Sportstourer (KL8, KLD) | 1.0 TSI, 1.0 TSI Mild Hybrid, 1.4 TSI e-Hybrid, 1.5 eTSI, 1.5 TGi, 1.5 TSI, 2.0 TDI, 2.0 TDI 4Drive, 2.0 TFSI | 2020– |
| SEAT LEON ST (5F8) | 1.0 TSi, 1.0 TSI, 1.2 TSI, 1.4 TGI, 1.4 TSI, 1.5 TGi, 1.5 TSI, 1.6 TDI, 1.6 TDI 4Drive, 1.8 TSI, 1.8 TSI 4Drive, 2.0 Cupra, 2.0 Cupra 4Drive, 2.0 TDI, 2.0 TDI 4Drive, 2.0 TSI, 2.0 TSI 4Drive | 2012–2020 |
| SEAT LEON ST Estate Van (5F8) | 1.0 TSI, 1.2 TSI, 1.4 TSI, 1.6 TDI, 1.8 TFSI, 2.0 Cupra, 2.0 Cupra 4Drive, 2.0 TDI, 2.0 TDI 4Drive | 2013–2020 |
SKODA2 models
| Model | Engines | Years |
|---|---|---|
| SKODA OCTAVIA III (5E3, NL3, NR3) | 1.0 TSI, 1.2 TSI, 1.4 TSI, 1.4 TSI G-TEC, 1.5 TSI, 1.6, 1.6 TDI, 1.6 TDI 4x4, 1.8 TSI, 1.8 TSI 4x4, 2.0 TDI, 2.0 TDI / TDI RS 4x4, 2.0 TDI 4x4, 2.0 TDI RS, 2.0 TSI, 2.0 TSI 4x4, 2.0 TSI RS | 2012–2021 |
| SKODA OCTAVIA III Combi (5E5, 5E6) | 1.0 TSI, 1.2 TSI, 1.4 TSI, 1.4 TSI G-TEC, 1.5 TSI, 1.5 TSI G-TEC, 1.6 SRE, 1.6 TDI, 1.6 TDI 4x4, 1.8 TSI, 1.8 TSI 4x4, 2.0 TDI, 2.0 TDI / TDI RS 4x4, 2.0 TDI 4x4, 2.0 TDI RS, 2.0 TSI, 2.0 TSI 4x4, 2.0 TSI RS | 2012–2020 |
VW7 models
| Model | Engines | Years |
|---|---|---|
| VW GOLF ALLTRACK VII Variant (BA5, BV5) | 1.8 TSI 4motion, 2.0 TDI 4motion | 2014–2020 |
| VW GOLF ALLTRACK VIII (CG5) | 2.0 TDI 4motion | 2020– |
| VW GOLF VII (5G1, BQ1, BE1, BE2) | 1.0 TSI, 1.2 TSI, 1.4 GTE Hybrid, 1.4 TGI CNG, 1.4 TSI, 1.4 TSI MultiFuel, 1.5 TGI, 1.5 TSI, 1.6, 1.6 TDI, 1.6 TDI 4motion, 2.0 GTD, 2.0 GTI, 2.0 GTI Clubsport, 2.0 GTI Clubsport S, 2.0 GTI TCR, 2.0 R 360S 4motion, 2.0 R 4motion, 2.0 TDI, 2.0 TDI 4motion | 2012–2021 |
| VW GOLF VII Van (5G1) | 1.2 TSi, 1.4 TSi, 1.6 TDi, 2.0 GTD, 2.0 GTi, 2.0 TDi, 2.0 TDi 4motion | 2012–2017 |
| VW GOLF VII Variant (BA5, BV5) | 1.0 TSI, 1.2 TSI, 1.4 TGI CNG, 1.4 TSI, 1.5 TGI, 1.5 TSI, 1.6 TDI, 2.0 GTD, 2.0 R 4motion, 2.0 TDI, 2.0 TDI 4motion | 2013–2022 |
| VW GOLF VIII (CD1, DA1) | 1.0 eTSI, 1.0 TSI, 1.4 GTE Plug-in Hybrid, 1.4 TSI eHybrid, 1.5 eTSI, 1.5 TGI, 1.5 TSI, 2.0 GTI, 2.0 GTI Clubsport, 2.0 TDI, 2.0 TDI 4motion, 2.0 TDI GTD, 2.0 TSI, 2.0 TSI 4motion, 2.0 TSI R 4motion | 2019– |
| VW GOLF VIII Variant (CG5, DB5) | 1.0 eTSI, 1.0 TSI, 1.5 eTSI, 1.5 TGI, 1.5 TSI, 2.0 TDI, 2.0 TDI 4motion, 2.0 TSI, 2.0 TSI 4motion, 2.0 TSI R 4motion | 2020– |
Always verify compatibility with your vehicle before ordering.
More about this part. Related categories and similar parts.
Borsehung
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Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
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We ship from the EU to 200 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10
