55 Amp Alternator, Black For Type 1

OVERVIEW

Upgrade your air-cooled engine''s charging system with the EMPI 55 Amp Black Alternator, a premium solution designed for those who demand both reliability and a sleek, custom look under the decklid. Unlike many budget options on the market that rely on refurbished or "remanufactured" cores, this unit is built using 100% brand-new components from the ground up. This eliminates the headache of core charges and ensures that every internal componentfrom the bearings and brushes to the diode triois fresh and ready for years of service. The durable black finish provides a stealthy, high-performance aesthetic that complements any engine bay, whether you are building a show-quality Cal-Looker or a rugged daily driver. By integrating an internal regulator, EMPI has simplified the wiring process, allowing you to bypass the cumbersome external voltage regulator found on older generator-equipped models, resulting in a cleaner installation and more consistent voltage output.

In the world of classic Volkswagens, electrical reliability is often the difference between a smooth cruise and being stranded on the shoulder. This 55-amp unit provides a significant boost over the original 30-amp generators, giving you the necessary overhead to run modern upgrades like high-output ignition systems, auxiliary lighting, or upgraded audio setups without draining your battery at idle. At Appletree Automotive, we understand that the Type 1 engine environment is harsh, with high heat and vibration constantly taxing your electrical components. That is why this alternator is engineered to withstand the rigors of the upright engine configuration. Its internal cooling fan and high-efficiency windings ensure that even in stop-and-go traffic, your charging system remains stable. When you install this EMPI alternator, you are not just replacing a part; you are modernizing your VW''s heartbeat with a component that meets the rigorous standards of master air-cooled specialists.

FITMENT

• VW Beetle (Standard & Super): 1967-1979 (12V Conversions or Stock Replacement)
• VW Karmann Ghia: 1967-1974
• VW Bus (Type 2): 1967-1971 (With 1600cc Upright Engine)
• VW Thing (Type 181): 1973-1974
• Custom Applications: Any Type 1 based air-cooled engine (1300cc-2332cc+) using an alternator-style stand.

SPECS

• Amperage Output: 55 Amps.
• Voltage: 12 Volts.
• Regulator Type: Internal (No external regulator required).
• Finish: Durable Black Powder Coat/Finish.
• Construction: 100% New Components (No Core Required).
• Part Number: 00-9486-7.
• Application: Type 1 Upright Engines.
• Grounding Requirement: Minimum 10 Gauge external ground wire required.
• Weight: Approximately 10.56 lbs.

PRO TIPS

PRO TIP 1: The Critical Importance of Grounding

One of the most common causes of premature alternator failure in air-cooled Volkswagens is a poor ground connection. Because the alternator sits on a stand that is bolted to a painted or oily engine case, it often struggles to find a clean path to ground. To ensure the longevity of your new EMPI alternator, you MUST install a minimum 10-gauge ground wire directly from the alternator body to one of the alternator stand studs on the engine case. Failure to do this can cause the internal regulator to overheat and burn out, as it tries to search for a ground through the bearings or the fan housing. Always scrape away a small amount of paint or powder coating where your ground terminal meets the alternator body to ensure a "metal-to-metal" connection.

PRO TIP 2: Mastering Pulley Alignment and Belt Tension

When installing this alternator, pay close attention to the alignment of your crank pulley and your alternator pulley. If the belt is not perfectly straight, it will create lateral load on the alternator bearings, leading to a "whirring" noise and eventual failure. Use the included shims behind the pulley halves to adjust the belt tension. You should aim for about 1/2 inch of deflection in the belt when pressed firmly. Don''t over-tighten the belt, as a "guitar-string" tight belt will destroy the front bearing of your brand-new alternator in short order. If you are converting from a generator, remember that you will need an alternator-specific stand and potentially a different backing plate set to ensure proper clearance and cooling airflow.

PRO TIP 3: Wiring Conversion from External to Internal Regulation

If you are upgrading from an older generator or an externally regulated alternator, you will need to modify your wiring harness. The EMPI 55-amp alternator features a large threaded post (B+) and a smaller spade terminal (D+). The B+ post connects directly to your battery (usually via the starter solenoid), and the D+ terminal connects to your dashboard charging light. You must bypass your old external regulator by joining the wires that previously went to the regulator so that the circuit to the dash light is completed. Remember, if your dashboard charging light bulb is burnt out, the alternator may not "excite" or start charging, so always verify that your dash bulb is functional during the installation process.