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Suspension Arm DELPHI TC4378
Control Trailing Arm Wheel Suspension DELPHI TC4378. Fitting position: Left. Fits 32 car models (AUDI, CUPRA, SEAT +2). Replaces 5 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- DELPHI
- Fitting Position
- Left
- Fitting Position
- Bottom
- Length [mm]
- 455 mm
- Width [mm]
- 398 mm
- Height [mm]
- 75 mm
- Category
- Control Trailing Arm Wheel Suspension
- MPN
- TC4378
- SKU
- 0089-TC4378
- GTIN / EAN
- 5012759618424
- What's included
- 1x Control Trailing Arm 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”.
- AUDI / SEAT / SKODA / VW5Q0407151J
- AUDI / SEAT / SKODA / VW5Q0407151L
- AUDI / SEAT / SKODA / VW5Q0407151R
- AUDI / SEAT / VW5WA407151
- VW5WA407151C
Where this part fits
Original-fit position for OE 5WA407151C. The red ring marks where this part installs on the vehicle.

Equivalent products. They fit in the same place.
6 available · 11 numbers In stock from £52.99 to £91.99.
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Only 2 left!
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All 11 cross-reference numbers
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.
- A.B.S. 211602
- BORG & BECK BCA7180
- CORTECO 49397696
- FEBI BILSTEIN 106142
- FIRST LINE FCA7180
- FIRST LINE FCA7266
- LEMFÖRDER 38633 01
- MEYLE 116 050 0123/S
- MOOG VO-WP-13841
- TEKNOROT A-489
- TRW JTC1699
Compatible cars. AUDI, CUPRA, SEAT +2, 32 models.
Matched from the manufacturer's data.
Control Trailing Arm Wheel Suspension for AUDIControl Trailing Arm Wheel Suspension for CUPRAControl Trailing Arm Wheel Suspension for SEATControl Trailing Arm Wheel Suspension for SKODAControl Trailing Arm Wheel Suspension for VW
| Model | Engines | Years |
|---|---|---|
| AUDI8 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 Allstreet (8YJ) | 35 TDi, 35 TFSi Mild Hybrid | 2024– |
| 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, RS3 quattro, S3 quattro | 2013–2021 |
| AUDI A3 Limousine (8YS, 8YM) | 30 TDI, 30 TFSI, 30 TFSI Mild Hybrid, 35 TDI, 35 TFSi, 35 TFSI, 35 TFSI Mild Hybrid, 40 TDI quattro, 40 TFSI quattro, RS3 TFSI quattro, S3 TFSI quattro | 2020– |
| AUDI A3 Sportback (8VA, 8VF) | 1.0 TFSI, 1.2 TFSI, 1.4 TFSI, 1.4 TFSI e-tron, 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 TDI, 2.0 TDI quattro, 2.0 TFSI, 2.0 TFSI quattro, 30 g-tron, 30 TDI, 30 TFSI, 35 TDI, 35 TFSI, 40 e-tron, 40 TDI quattro, 40 TFSI, 40 TFSI quattro, RS3 quattro, S3 quattro | 2012–2021 |
AUDI2 more models
| Model | Engines | Years |
|---|---|---|
| AUDI A3 Sportback (8YA, 8YF) | 30 g-tron, 30 TDI, 30 TFSI, 30 TFSI Mild Hybrid, 35 TDI, 35 TFSi, 35 TFSI, 35 TFSI Mild Hybrid, 40 TDI quattro, 40 TFSI quattro, 40 TFSIe, 45 TFSIe, RS3 TFSI quattro, S3 TFSI quattro | 2019– |
| AUDI Q2 (GAB, GAG) | 1.0 TFSI, 1.4 TFSI, 1.6 TDI, 2.0 TDI, 2.0 TDI quattro, 2.0 TFSI quattro, 30 TDI, 30 TFSI, 35 TDI, 35 TDI quattro, 35 TFSI, 40 TFSI quattro, SQ2 TFSI quattro | 2016– |
CUPRA2 models
| Model | Engines | Years |
|---|---|---|
| CUPRA LEON (KL1, KU1, KUG) | 1.4 e-HYBRID, 1.5 eTSI, 1.5 TSI, 2.0 TSI | 2020– |
| CUPRA LEON Sportstourer (KL8, KU8, KUD) | 1.4 e-HYBRID, 1.5 eTSI, 1.5 TSI, 2.0 TSI, 2.0 TSI 4Drive, e-HYBRID | 2020– |
SEAT7 models
| Model | Engines | Years |
|---|---|---|
| SEAT LEON (5F1) | 1.0 TSI, 1.2 TSI, 1.4 TGI, 1.4 TSI, 1.6 TDI, 1.8 TSI, 2.0 Cupra, 2.0 Cupra R, 2.0 TDI | 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– |
| 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, 1.2 TSI, 1.4 TGI, 1.4 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 |
SKODA4 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 |
| SKODA OCTAVIA IV (NX3, NN3, PV3) | 1.0 TSI, 1.0 TSI e-TEC, 1.4 TSI, 1.4 TSI iV, 1.4 TSI RS iV, 1.5 TSI, 1.5 TSI e-TEC, 1.5 TSI G-TEC, 1.6 SRE, 2.0 TDI, 2.0 TDI 4x4, 2.0 TDI RS, 2.0 TDI RS 4x4, 2.0 TSI 4x4, 2.0 TSI RS | 2020– |
| SKODA OCTAVIA IV Combi (NX5, PV5) | 1.0 TSI, 1.0 TSI e-TEC, 1.4 TSI, 1.4 TSI iV, 1.4 TSI RS iV, 1.5 TSI, 1.5 TSI e-TEC, 1.5 TSI G-TEC, 2.0 TDI, 2.0 TDI 4x4, 2.0 TDI RS, 2.0 TDI RS 4x4, 2.0 TSI 4x4, 2.0 TSI RS | 2019– |
VW11 models
| Model | Engines | Years |
|---|---|---|
| VW GOLF ALLTRACK VII Variant (BA5, BV5) | 1.6 TDI 4motion, 1.8 TSI 4motion, 2.0 TDI 4motion | 2014–2020 |
| VW GOLF ALLTRACK VIII (CG5) | 2.0 TDI 4motion, 2.0 TSI 4motion | 2020– |
| VW GOLF SPORTSVAN VII (AM1, AN1) | 1.0 TSI, 1.2 TSI, 1.4 TSI, 1.4 TSI MultiFuel, 1.5 TSI, 1.6, 1.6 TDI, 2.0 TDI | 2014–2020 |
| VW GOLF VAN VII Variant (BA5) | 1.2 TSi, 1.4 TSi, 1.6 TDi, 1.6 TDi 4motion, 2.0 TDi, 2.0 TDi 4motion | 2013–2017 |
| 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 TCR, 2.0 R 4motion, 2.0 TDI, 2.0 TDI 4motion, e-Golf | 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, 1.4 TSI MultiFuel, 1.5 TGI, 1.5 TSI, 1.6, 1.6 TDI, 1.6 TDI 4motion, 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 GTE Plug-in Hybrid, 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– |
| VW T-ROC (A11, D11) | 1.0 TSI, 1.5 TSI, 1.5 TSI 4motion, 1.6 TDI, 2.0 R 4motion, 2.0 TDI, 2.0 TDI 4motion, 2.0 TDI SCR, 2.0 TSI 4motion | 2017– |
| VW T-ROC Convertible (AC7, AC8) | 1.0 TSI, 1.5 TSI | 2019– |
Always verify compatibility with your vehicle before ordering.
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Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
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2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
We ship from the EU to 201 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
