Glow Plug Control Unit Module 038907281B – VW, Audi, Skoda & Seat

The glow plug control unit module (OEM 038907281B) is an essential engine electrical part used in many Volkswagen Group diesel vehicles to control and regulate the glow-plug pre-heating system. This module monitors engine conditions and manages power delivery to the glow plugs, helping pre-heat the combustion chambers before engine start-up. Proper function of the glow plug control unit supports smoother cold starts, better fuel combustion, reduced exhaust smoke, and improved low-temperature drivability. Fitting this replacement unit helps restore reliable glow plug operation and mitigate common diesel start-up issues associated with worn or faulty control modules.

OEM Number: 04L907282, 04L907282B, 038907281B, 04L907281B
 
Direct replacement – High-Quality Aftermarket Part

Condition - Brand New

Voltage - 12 V

Our SKU: TVW038907281B_94

All our Glow Plug Control Unit Module For VW Skoda Audi A3 8P Seat 038907281B 04L907282B are OEM quality and reliable after market car parts. This Glow Plug Control Unit Module For VW Skoda Audi A3 8P Seat 038907281B 04L907282B is specifically compatible with Audi: A3, A4, A4 Allroad, A5, A6, A8, Q2, Q3, Q5, Q7, TT, Seat: Alhambra, Ateca, Exeo, Leon, Tarraco, Skoda: Karoq, Kodiaq, Octavia, Superb, VW: Arteon, Beetle, Caddy, Caddy California, Golf, Jetta, Multivan, Passat, Passat Alltrack, Passat CC, Sharan, Tiguan, Tiguan Allspace, Touareg, 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 Management
This module ensures correct timing and electrical current to the glow plugs based on engine control unit (ECU) inputs, helping maintain stable pre-heat performance.

Direct OEM-Number Replacement
Designed to directly replace the original equipment part 038907281B (and its successor references such as 04L907282B), ensuring correct fitment in affected VW Group diesel engines.

Improved Cold Start Performance
By controlling glow plug heating, this unit helps reduce rough starts, excessive cranking, and white smoke during cold start conditions.

Enhanced Engine Efficiency
Reliable glow plug pre-heating contributes to more complete combustion early in the engine cycle, which can improve fuel economy and reduce emissions related to incomplete ignition.

Wide Vehicle Compatibility
This control module is compatible with a range of VW, Audi, Skoda and Seat diesel models powered by 1.6 TDI and 2.0 TDI engines when the OEM number matches.

Frequently Asked Questions (FAQs)

Q: What does a glow plug control unit do?
A glow plug control unit manages how long and with what current the glow plugs are activated, based on ECU signals, to pre-heat combustion chambers for easier diesel ignition in cold conditions.

Q: What are symptoms of a failing glow plug control module?
Common signs include difficult cold starting, extended crank times, persistent glow plug or engine warning lights, and visible white smoke during cold start.

Q: Which vehicles use part number 038907281B?
Part 038907281B appears on many VAG-group diesel vehicles including Audi A3/A4/A5/Q5, VW Golf/Passat, Skoda Octavia/Superb, and various Seat models with 1.6 and 2.0 TDI engines. Always verify compatibility with your VIN or engine code.

Q: Is this a direct replacement?
Yes. When the original part number matches 038907281B or equivalent references like 04L907282B, this unit is a direct replacement and installs without modification.

Q: Should I inspect glow plugs when diagnosing faults?
Yes. While a faulty control module can cause start-up issues, the glow plugs themselves and wiring harness should also be checked, as wear or damage to those parts can mimic module faults