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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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Description
Voltage Regulator | Mk4 | B5 | Mk1 TTThe voltage regulator maintains a constant voltage level by controlling the output of the alternator. If you're alternator is failing to charge your battery or run the electrical systems of your vehicle, the internal diodes of the regulator may be faulty. A good way to check for a faulty voltage regulator is to use a digital multimeter on the battery, with the engine running, to read the charging voltage. If voltage is not constant around 13 to 14
The voltage regulator maintains a constant voltage level by controlling the output of the alternator. If you're alternator is failing to charge your battery or run the electrical systems of your vehicle, the internal diodes of the regulator may be faulty. A good way to check for a faulty voltage regulator is to use a digital multimeter on the battery, with the engine running, to read the charging voltage. If voltage is not constant around 13 to 14 volts, chances are the voltage regulator has gone out. Replace yours to restore proper operation to your charging system.This product fits:
- 1999.5-2005 Golf/Jetta
- 1998-2005 Passat
- 1998-2006 Audi TT
Part #'s
038-903-803-E / 038903803 E / 038 903 803 E / 038903803E
038-903-803-EX / 038903803 EX / 038 903 803 EX / 038903803EX
389-038-03E-X / 38903803E X / 389 038 03E X / 38903803EX
Bosch Part #"s
198-6AE-012-4 / 1986AE012 4 / 198 6AE 012 4 / 1986AE0124
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.1 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Perfect for puppy play
Style: EcoFetch
This is perfect. Works great for a smaller yard and the ball holds up to puppy teeth!
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Easy to use for this old folk!
Style: EcoFetch
If you have a hard time to bend down and throw, this is perfect! It allows you to pick up the ball with little bending over. It also gives much further distance to your throws. Great quality to both the ball and wand.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Great product and fast shipping
Style: EcoFetch
Great ball launcher and ball. My dog adores it and plays with the ball even when she isn’t fetching.
Fast shipping as well!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Different colors
Style: EcoFetch
Works well. It is nice it is a different color from all the other Chuckit it balls. Dog loves it. Just wish she would bring it back.
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Reviewed in the United States on May 6, 2026
★★★★★ 4
Value for your money
Style: EcoFetch
It's definitely different from the one I lost. It's taking me some time how to throw the ball correctly. It's a hit and miss but we are getting there. When I do get a good throw, it really wings it out there.
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Reviewed in the United States on May 17, 2026