Mk6ix EA888 Coil Grounding Kit

$50.00
/
  • Made to order (5-10 business day production time)

Upgrade your EA888 ignition system with a dedicated coil grounding harness. The factory cam cover studs are soft aluminum and can strip easily, leaving your coils with a weak ground. This kit replaces that setup with a short, low-resistance ground path using stainless steel hardware and high-temperature wiring. The result is a stronger, more reliable ignition under load.

Installation takes just minutes  no cutting or soldering required. Simply remove the factory bolts, install the included 45 mm stainless bolts with washers, and connect the harness to a proper ground point. A termination pin removal tool is included to make depinning quick and painless.

This product is made to order and typically has a 5-10 day production time. It will ship directly from the supplier.

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Key Features

  • Improved Reliability — dedicated ground path for consistent coil performance
  • Stainless Hardware — 45 mm M6 × 1.0 stainless bolts + washers included
  • High-Temp Wire & Sleeving — built for harsh engine bay conditions
  • Quick Install — installs in minutes with basic hand tools
  • All-in-One Kit — includes bolts, washers, and pin removal tool
  • Two Versions Available — fits both 4D0 and 8K0 coil connectors

Fitment & Compatibility

This kit is designed for EA888 Gen 3 engines (MQB platform). Coil connectors come in two versions — please confirm the first three digits of your connector part number before ordering.

 

VersionConnector CodeNotes
Version A4D0-xxxx-xxxCommon on early MQB EA888 (approx. 2015–2017)
Version B8K0-xxxx-xxxCommon on later MQB EA888 (2017+)

 

 The connector code is printed on the top of each ignition coil connector housing. Check yours before selecting the version.

What's Included

  • 1 × EA888 coil grounding harness
  • 4 × M6 × 45 mm stainless steel bolts
  • 4 × stainless steel washers
  • 1 × termination pin removal tool
  • Installation PDF (download link at bottom of page, optional

Installation Overview

  • Disconnect the negative battery terminal.
  • Remove the factory coil pack bolts.
  • Insert the harness terminals under the provided washer and bolt.
  • Torque the new stainless bolts to ~8–10 Nm.
  • Route the harness to a clean ground point on the chassis or engine.
  • Reconnect the battery and verify coil operation.

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