SKU: 58778386175

2-Pin Alternator Regulator for Audi A3 8L 1998-2004 - 199886

Sale price$174.15 Regular price$193.50
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Description

2-Pin Alternator Regulator for Audi A3 8L 1998-2004 - 199886Vehicle Fitment & Part Details This Alternator Regulator is listed for the Audi A3 8L (1998 2004) and 40+ vehicle applications. OE reference: 038903803E. Confirm compatibility by matching the listed fitment details and any OEM reference numbers supplied. Verify VIN engine. Key Details SKU 199886 Component Alternator Regulator Pin Count 2 OEM References Audi, VW: 038903803E Primary Fitment Audi A3 8L (1998 2004) Vehicle Fitment Includes 40+ supplied

Vehicle Fitment & Part Details

This Alternator Regulator is listed for the Audi A3 8L (1998-2004) and 40+ vehicle applications. OE reference: 038903803E. Confirm compatibility by matching the listed fitment details and any OEM reference numbers supplied. Verify VIN/engine.

Key Details

SKU
199886
Component
Alternator Regulator
Pin Count
2
OEM References
  • Audi, VW: 038903803E
Primary Fitment
Audi A3 8L (1998-2004)

Vehicle Fitment

Includes 40+ supplied applications covering selected Audi, Volkswagen, Seat models. Use the full table below to confirm model, year range and engine before ordering.

View Full Vehicle Fitment (10 applications)
Make Model Chassis / Platform Years
Audi A3 8L 1998-2004
Audi A4 B5
Audi A6 C5
Audi TT 8N
Volkswagen Transporter T4
Volkswagen LT
Volkswagen Passat B5
Volkswagen Passat B5.5
Volkswagen Polo I
Seat Ibiza III

Fitment Notes

  • Always match OEM reference number(s) and vehicle details before ordering. Verify VIN/engine.

Professional Fitment Required: Electronic, electrical, and electromechanical components require correct identification before installation. Compare the new unit to the removed unit and verify mounting orientation, terminal or connector type, pin count or terminal arrangement, voltage rating, polarity, and any pulley or bracket configuration where applicable. Incorrect installation, polarity reversal, water or moisture ingress, improper connector seating, or mismatched specifications can damage the component, related ECU systems, or cause persistent fault codes. Installation by a qualified, VAT-registered workshop with appropriate diagnostic equipment is recommended.

Returns Notice: Once an electronic, electrical, or electromechanical component has been fitted, plugged in, energised, or shows signs of installation, returns are limited to manufacturing defect only. Confirm part compatibility before opening sealed packaging.

Compatibility Verification Notes

  • Confirm compatibility using VIN, engine code, chassis / platform, OE reference and original part comparison before ordering.
  • Match the supplied fitment details to your vehicle, including model, year range and any listed engine or chassis information.
  • Confirm connector type, pin count or terminal arrangement, mounting form, voltage rating and OE reference where supplied.
  • Fitment data may vary by production date, market, import history and engine variant.
  • This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.

Common Questions

Will this alternator regulator fit my Audi A3?
This part (199886) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.

What OEM part numbers does this cross-reference?
Cross-reference numbers are listed in the Key Details section above. Match at least one to your original part before ordering.

How do I confirm fitment if there are multiple variants?
Compare the supplied fitment details, OE reference numbers, original part details and any listed variant information before ordering. Verify VIN/engine.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58778386175

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Reviewed in the United States on May 14, 2026
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Reviewed in the United States on April 15, 2026
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Tricia R
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My first experience using one of these, it worked VERY well!
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Our tire picked up a large bolt that we could hear clicking when we were driving, and our low pressure warning light lit on our dash. Yep---tire was 7 psi below recommended (32 down to 25), I could not see the leak site and we were far from home so I drove some more then checked again. Just one more psi down over those 20 miles so all the way home (100 miles more) we drove. By that time I was able to find the leaking spot and see the bolt head had ground off or broken off. It was just a very slow leak, a few psi more per day, but I knew it would only get worse. I decided to order this kit after reading reviews & don't believe the haters. It worked so well for me it is worthy of my time to write of my experience. The tools to me all seem robust & top notch, especially for the price. There are multiple straps inside the nice case to secure them in place. YES---you have to use your own pliers but come on---don't ding the product when that is spelled out clearly in the description! So---I had the huge benefit of allowing a full day in my own garage to do this. I pulled the wheel since others had said it much easier that way. I then used my pliers to pull the remaining bolt out of the tire and immediately heard the air rush out. "That's a pretty big hole!" I thought. I reamed the hole easily, lubed the plug installation tool, centered one plug strip in the tool and pushed it in all the way except about 1" left outside the tire. I aired up the tire after about 5 minutes of what I thought would be "cure time" but don't know if that's necessary. After my initial inflation to full pressure the tire actually did leak down a bit over a few hours. A few cycles of this and it has stayed sealed completely ever since....not even down a pound! I assume this was the time the vulcanizing compound (already applied to the plugs) took to seal to the tire....maybe if I had driven on it right away (heat generated and varying forces) it would not have leaked out. My initial fear of "huge hole" and assuming I might need to plug twice or use 2 plugs the fear was unfounded. I will update this post if something goes awry. For now I am one happy customer as well as a happy camper. I'd strongly recommend this kit based on my experience, plus I have the remaining patches & tools if needed again. I hope this helps you with your decision/choice.
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Reviewed in the United States on July 27, 2024
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Holly A DeNomme
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