Glow Plug Control Unit Module – VW, Audi A3 8P, Skoda & Seat Diesel

The glow plug control unit (OEM 038907281B / 04L907282B) is a crucial electrical component in the diesel engine management system used across many Volkswagen Group vehicles, including VW, Audi, Skoda, and Seat models. This module controls the timing and electrical current delivered to the glow plugs, helping pre-heat the combustion chambers before start-up for smoother cold starts, better fuel combustion, and reduced white smoke during ignition. Designed as a direct replacement for the original VW Group part number 038907281B (also superseded by 04L907282B), this control unit ensures dependable glow-plug performance and improved engine start-up reliability on compatible vehicles.

OEM Number: 059906051C, 076906051B, 03G906051G, 137400, 076906051A076906051B076906051C03G906051A0281002710

Number of Pins : 3 Pin Connector

Operating Mode : Electric

Voltage : 12V

Number of Mounting Bores : 1

Quantity : 1

Our SKU: TVW076906051B_94

All our Glow Plug Control Unit Module For VW Skoda Audi A3 8P Seat are OEM quality and reliable after market car parts. This Glow Plug Control Unit Module For VW Skoda Audi A3 8P Seat is specifically compatible with Audi: A1, A3, A4, A4 Allroad, A5, A6, Q3, Q5, TT, Seat: Alhambra, Altea, Altea XL, Exeo, Ibiza, Leon, Toledo, Skoda: Fabia, Octavia, Rapid, Roomster, Superb, Yeti, VW: Amarok, Beetle, Caddy, Caddy Alltrack, Caravelle, Crafter 30-35, Crafter 30-50, Eos, Golf, Golf Plus, Jetta, Multivan, Passat, Passat Alltrack, Passat CC, Polo, Scirocco, Sharan, Tiguan, Touran, Transporter, Transporter/Caravelle, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

Key Benefits

Accurate Glow Plug System Control
The control unit receives engine data from the ECU and manages current flow to the glow plugs, enabling effective pre-heating of combustion chambers for reliable ignition.

OEM-Number Replacement
Direct replacement for factory part 038907281B and its updated reference 04L907282B, offering proper fitment and functionality across a wide range of Volkswagen Group diesel engines.

Improves Cold-Start Performance
Strong pre-heating reduces difficult starts and extended crank times in cooler conditions, giving smoother engine starts and reducing driver frustration.

Supports Combustion Efficiency
Proper glow-plug activation improves early-cycle combustion, which can help minimise white smoke, enhance early-stage fuel economy, and reduce cold-start emissions.

Broad Vehicle Compatibility
Compatible with many diesel engines used in VW, Audi (including A3 8P), Skoda and Seat models such as Golf, Passat, Octavia, Leon and others that use the OEM part reference 038907281B or 04L907282B.

Frequently Asked Questions (FAQs)

Q: What does the glow plug control unit do?
A glow plug control unit manages the electrical current and activation timing sent to the glow plugs. These plugs heat combustion chambers before starting, which is essential for smooth diesel ignition, especially in cold weather.

Q: What are the common symptoms of a failing glow plug control module?
Common signs include hard starting, extended crank times, persistent glow plug or engine warning lights on the dashboard, and white smoke during cold start-up — all typical indications of glow-plug system issues.

Q: Which vehicles use part number 038907281B?
The OEM part 038907281B (often superseded by 04L907282B) is used across a wide range of Volkswagen Group diesel vehicles, including VW, Audi, Skoda and Seat models such as Audi A3, VW Golf, Skoda Octavia and Seat Leon. Always verify compatibility with your VIN or existing part number before purchase.

Q: Is this just a relay or a full control module?
This part functions as the glow-plug system’s electronic control unit, coordinating relay activity and current delivery. It’s more than a simple relay — it actively manages the glow-plug heating sequence based on engine management inputs.

Q: Is this a direct replacement part?
Yes — when your vehicle’s original part number matches 038907281B or its superseded references like 04L907282B, this unit installs as a direct replacement without modification.