Alternator Slip Ring 7x16x52mm – VW BMW Audi Benz Fiat
Alternator Slip Ring 7x16x52mm – VW BMW Audi Benz Fiat
Alternator Slip Ring / Collector Ring — 7×16×52mm
Keep your vehicle's charging system running at peak efficiency with this precision-machined copper alternator slip ring. Designed to fit a wide range of European vehicles — including VW, Mercedes-Benz, BMW, Audi, and Fiat — this collector ring ensures a consistent, low-resistance electrical connection between the stationary brush assembly and the spinning rotor winding inside your alternator.
How It Works
Inside every alternator, the rotor must be energized while spinning at high speed. The slip ring (collector ring) makes this possible: current from the brush device passes through the copper ring and into the rotor winding, allowing the alternator to generate the voltage your vehicle's electrical system depends on. A worn or damaged slip ring leads to poor charging performance — replacing it with a quality copper ring restores proper function quickly and affordably.
Key Specifications
- Inside Diameter: 7 mm
- Outside Diameter: 16 mm
- Height: 52 mm
- Material: Copper head construction for excellent conductivity and durability
- Compatible Vehicles: VW, Mercedes-Benz, BMW, Audi, Fiat (and other models sharing the same alternator dimensions)
- Quantity: 1 piece
- Made in China
Features & Benefits
- ✅ Precise fitment dimensions — 7×16×52mm matches OEM specifications for supported alternator types
- ✅ Copper construction — superior electrical conductivity for stable current transfer
- ✅ Direct replacement — drop-in fit simplifies the repair process
- ✅ Cost-effective repair — restore charging system performance without replacing the entire alternator
- ✅ Broad vehicle compatibility — suits multiple popular European makes and models
Important Fitment Notice
⚠️ Please compare this part's dimensions (7mm inner diameter × 16mm outer diameter × 52mm height) carefully against your original slip ring before placing your order. Alternator designs vary between model years and trim levels. Confirming the measurements ensures a correct, trouble-free installation.
Learn more: FuelEconomy.gov driving efficiency guidance
Frequently Asked Questions
Q: What vehicles is this alternator slip ring compatible with?
A: This slip ring is designed for use with alternators found in many European vehicles, including VW, Mercedes-Benz, BMW, Audi, and Fiat models that use an alternator with a 7mm inner diameter, 16mm outer diameter, and 52mm height slip ring. Always verify your original part's dimensions before ordering to confirm compatibility.
Q: How do I know if my alternator slip ring needs replacing?
A: Common signs of a worn alternator slip ring include a battery warning light on the dashboard, dim or flickering lights, difficulty starting the vehicle, or a failing battery. Inspecting the slip ring for grooves, pitting, or excessive wear on the copper surface can confirm whether replacement is needed.
Q: Is this a direct replacement for the OEM slip ring?
A: Yes — provided the dimensions match your original part (7mm ID × 16mm OD × 52mm height), this copper slip ring serves as a direct drop-in replacement. We strongly recommend physically measuring your existing slip ring or consulting your vehicle's service manual to verify dimensions before installation.
Q: What material is the slip ring made from?
A: The slip ring features a copper head construction, which provides excellent electrical conductivity and withstands the rotational demands of an automotive alternator under normal operating conditions.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.