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โก Upgrade your Beetleโs heartbeat with power and precision!
The IAP Performance AC903900EC is a 60 Amp brand-new alternator kit designed specifically for VW Beetles. It offers higher output than stock generators, features an internal voltage regulator for stable power, and installs easily as a direct bolt-on replacement. This kit includes all components needed to convert your Beetleโs electrical system from a generator to a modern alternator, ensuring enhanced reliability and performance.

| ASIN | B00QXWZKE0 |
| Best Sellers Rank | #600,938 in Automotive ( See Top 100 in Automotive ) #2,157 in Automotive Replacement Alternators |
| Brand | IAP Performance |
| Customer Reviews | 4.5 4.5 out of 5 stars (265) |
| Date First Available | October 24, 2015 |
| Exterior | Machined |
| Item Weight | 15.47 pounds |
| Item model number | AC903900EC |
| Manufacturer | IAP Performance |
| Manufacturer Part Number | AC903900EC |
| Model | AC903900EC |
| OEM Part Number | AC903900 |
| Product Dimensions | 15.25 x 8.5 x 12.25 inches |
S**C
Ordered this for my husband..
Husband said "Works great ๐". Good Quality, Good Price, Happy with Purchase.
J**D
Love it
I couldn't figure out if I had a bad generator or regulator so I picked this up. The swap was easy, the fit was great, and it works like a dream! I used permatex.
Z**A
Make sure the idiot light is wired!
You have to make sure you wire the idiot light. that's what turns on the electromagnets in the alternator. If you don't wire it, it'll never charge. I learned this the hard way.
D**T
Seems great
Haven't installed it yet.
A**T
Decent build
The stand installed perfectly. I recommend that you use a dremel tool and wire brush attachment to clean off the coating on the inside of the filler tube threads BEFORE you install it. The threads have a rough textured anodization or coating making it impossible to thread in the original oil filler parts. I also recommend that you use a bartender's bar-key bottle opener for the oil filler's nut as it will fit the notches perfectly and the available $12-20 dedicated tool is only good for one thing. I bent the crap out of the bar-key I used, but for $12-20, you can buy a box of them and use them for something useful other than attaching an oil filler neck. To get leverage, I stuck a tool through the opening on one end and stuck the tongue into the slot-grooves of the nut. I had originally borrowed an inner pipe wrench from a buddy to remove the filler part in the first place and the bar-key was much easier because it didn't slip.
R**E
Better output than a generator
Great price works as it should
C**A
Great price for an alternator
I got this to a 1977 vw beetle , the installation was not too hard, was able to remove the alternator by raising it a bit the doghouse. the instructions were clear in terms of the cables. I run to the power cable to the starter, it made it look cleaner and it was a shorter distance.
I**Y
quality
great product, works great
Trustpilot
3 weeks ago
2 months ago