ThePartCaptain

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✔ 25,000+ parts in stock ✔ UK dispatch • Tracked options ✔ Worldwide via eBay Global Shipping ✔ Collection 7 days/week (appt.)

SEAT Ibiza 6J (Mk4) 2016–2017 Control Unit / Relay Carrier Retainer Bracket

Most common wrong-order fix: Please match your existing part number + the mounting shape in the photos before buying. If your old unit/holder looks different, this is not the correct part.
Manufacturer Part Number
6C0 907 371 A
Also written as
6C0907371A
Common names
Relay / ECU mounting board • Fuse/relay carrier bracket
Condition
Used (tested/inspected) • 3-month warranty

No VAT charged (Global VAT Scheme) We can verify fitment Fitting service available (subject to availability)

Before you order (avoid returns)

  • Match the part number: 6C0 907 371 A / 6C0907371A
  • Match the photos: plug layout + mounting points must be the same
  • Confirm your model year: see the fitment table below
  • Unsure? Message your VIN + a clear photo of your current part

What this part does

This retainer/mounting bracket secures the electrical carrier (relay/fuse/control unit mounting board depending on vehicle setup), keeping modules firmly located to prevent vibration damage, loose connections and intermittent faults.

Product photos (actual part)

6C0907371A relay ECU mounting board bracket - actual item photo 1

Actual item photo 1

6C0907371A fuse relay carrier bracket - actual item photo 2

Actual item photo 2

Tip: zoom in and compare the connector layout + mounting tabs to your existing unit.

Reference photos (where it fits)

Seat Ibiza Mk4 (6J) engine bay reference - typical area for electrical carriers

Reference: Ibiza Mk4 (6J) engine bay (typical electrical carrier area)

Fuse and relay carrier reference photo - what a relay/fuse carrier looks like installed

Reference: relay/fuse carrier style (example)

Exact mounting location can vary by trim/engine. Always verify with your old part’s part-number label and the shape in photos.

Correct vehicle example (SEAT Ibiza Mk4 / 6J facelift body styles)

SEAT Ibiza 6J facelift 5-door hatchback reference photo

5-door hatch example (Ibiza 6J facelift style)

SEAT Ibiza SC 6J facelift 3-door reference photo

3-door SC example (Ibiza 6J facelift style)

SEAT® is a registered trademark of its respective owner. Brand names are used for identification and compatibility reference only.

Confirmed fitment (exact years)

This fitment list is based on the part number 6C0 907 371 A / 6C0907371A. If your VIN/build differs, we can verify before you buy.

Make Model Generation / Notes Confirmed Years Status
SEAT Ibiza / Ibiza ST Mk4 (6J) • facelift-era listings 2016–2017 ✔ Confirmed
SEAT Toledo VAG platform crossover 2016–2017 ✔ Confirmed
Škoda Fabia VAG platform crossover 2015–2017 ✔ Confirmed
Škoda Rapid VAG platform crossover 2013–2017 ✔ Confirmed
Volkswagen Polo / Derby / Vento (IND) Vento-IND / regional variants may apply 2015–2017 ✔ Confirmed
Not listed / not confirmed for this part number: Ibiza Mk3 (6L), Ibiza Mk4 (6J) earlier years outside 2016–2017, and Ibiza Mk5 (KJ/6F) 2017+.

Best practice: match your old part number + the photo shape. If you’re not 100% sure, message us and we’ll verify fitment.

Symptoms a faulty/damaged carrier can cause

  • Intermittent electrical faults (random warnings, intermittent accessories)
  • Loose relays/fuses or poor contact causing heat marks or melted plastic
  • Start/stop issues or unexpected power loss (depending on the circuit affected)
  • Rattles/vibration leading to connector stress or broken tabs
  • Previous repairs leaving missing clips, broken mounts or unsecured modules

Note: symptoms depend on which circuits/modules are mounted on your vehicle’s carrier.

Why choose a factory-original part vs cheap copy

Electrical mounting parts need correct plastic grade, heat resistance and accurate clip geometry. Poor copies can lead to poor fitment, vibration damage, and repeat faults.

  • Correct fitment geometry to reduce misalignment and connector stress
  • Designed for the vehicle environment (heat, vibration, moisture exposure)
  • Better long-term reliability and fewer comeback repairs

Buying used can also be a huge saving versus new dealer pricing while still keeping factory-spec parts.

Fitting info (tools • steps • time)

Required tools

  • Socket set (commonly 8mm / 10mm)
  • Torx bits (often T20/T25 depending on trim)
  • Trim tool / flat plastic pry tool
  • Small pick tool (for connector tabs)
  • Torch/inspection light

Estimated repair time

30–60 minutes (DIY) • garages vary by model/trim and access.

Fitting steps (general guide)

  1. Disconnect the battery (always follow safe procedure).
  2. Remove the trim/cover to access the relay/fuse/control-unit carrier.
  3. Photograph connector positions (helps reassembly).
  4. Release connectors carefully (don’t force locking tabs).
  5. Unbolt/unclip the carrier/retainer and transfer any relays/fuses/modules as required.
  6. Install the replacement retainer, refit modules, and reconnect connectors.
  7. Reconnect battery, clear any stored faults if needed, and test all functions.

If you want us to fit it: we offer a fitting service (subject to availability) — message to book.

Garage labour cost estimator (no scripts)

No active content is used on eBay listings, so here’s a simple ready-made calculator. Use the estimated time: 0.5–1.0 hr and multiply by your local labour rate.

Hourly rate (GBP) 0.5 hr 0.75 hr 1.0 hr
£60/hr£30£45£60
£80/hr£40£60£80
£100/hr£50£75£100
£120/hr£60£90£120

Want a guaranteed quote? Send your registration/VIN and we’ll advise on labour time and fitment.

Postage, VAT & collections

Worldwide delivery
  • UK dispatch with tracked options
  • Worldwide via eBay Global Shipping / eBay International Shipping (where available)
  • Customs/import fees (if any) are shown by eBay at checkout
  • Important: buyers must ensure their checkout address is correct — we can’t change it after purchase.
No VAT charged

We are on the Global VAT Scheme, so no VAT is charged on this sale.

Need help with compatibility? Send a photo of your existing part label + your VIN.

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Collection / How to find us

ThePartCaptain
Unit 8–11 (located after Bee Kwik Scaffolding)
Ivanhoe Business Park, Wortley Road
(sometimes shown as “Wortley Road” for this postcode)
Rotherham, S61 1LZ

  • Collection available 7 days a week till 8pm (by appointment)
  • Bank holidays available (prior appointment)
  • We can also fit parts (subject to availability) — message to book
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On the shelf & ready to dispatch

Warehouse shelves with boxed stock ready to dispatch

Stock image: warehouse shelving (illustrative)

We keep thousands of parts in stock to ship quickly and reduce delays.

Repairs & fitting (subject to availability)

Mechanic working on a vehicle in a workshop - fitting service available subject to availability

Stock image: workshop service (illustrative)

  • We can supply parts + fit them (booking required)
  • Message your reg/VIN and what you’re experiencing
  • We also buy cars for cash — nationwide collection & same-day payment

Important notes (fitment & returns)

  • Fitment first: match part number + photos. We can verify with VIN if you’re unsure.
  • Returns: parts returned under “doesn’t fit / wrong part ordered” may be subject to a restocking fee because fitment guidance is provided.
  • Address: buyers must ensure their checkout address is correct — we cannot change it after checkout.

We’re here to help you order the correct part the first time and avoid returns — just message us with your VIN and a photo of your current part.