Please wait… 
Please wait while we process your order,
do not press the back button… 
Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk Facebook Instagram
Porsche specialists based in the UK
Porsche 914 (1970-1976) Engine Electrical

Rotor Arms / Point Sets

Rotor Arms / Point Sets

DISPLAYING 1 to 1 (of 1 products)
Contact breaker points. Porsche 924 / 914 / 911 - 059998051B, 92360292100 - 8191400610
2
Contact breaker points. Porsche 924 / 914 / 911
92360292100/1
Product Information
Product Information

Contact breaker points by OE Match, this replacement component switches the coil circuit within a mechanical ignition system.

Fits

  • Porsche 911 - 1977 to 1979
  • Porsche 914 - 1973 to 1976

For Engine Codes

  • 924 - XJ and XK
  • 914 - GA and GB (2.0ltr, 4 Cyl)

Check fitment for your specific vehicle (model, year, engine) before ordering.

What This Product Does

The contacts repeatedly close and separate as the distributor turns, controlling current through the ignition coil. Their adjustment influences dwell and the point at which the ignition spark is triggered.

Functions

  • Switches the coil's primary electrical circuit.
  • Provides mechanical control of the ignition trigger.
  • Allows the contact gap and dwell to be adjusted during servicing.

Technical Details

  • Brand: OE Match.
  • Component type: mechanical ignition contact breaker points.
  • Specified 924 engine identifiers: XJ and XK.
  • Specified 914 engine identifiers: GA and GB, 2.0-litre four-cylinder.

Symptoms of Fault

  • Difficulty starting or an irregular idle.
  • Misfiring during acceleration or under load.
  • Intermittent loss of ignition at higher engine speeds.
  • Burnt, pitted or visibly worn contact faces.
  • Dwell or ignition timing that repeatedly moves out of adjustment.

Why Replacement Matters

Contact faces deteriorate through mechanical operation and electrical arcing. Renewing worn points addresses this service item, but the condenser, distributor condition and electrical connections should also be inspected where faults recur. Set the gap, dwell and ignition timing using the correct vehicle-specific procedure after fitting.

FAQs

Do these points distribute voltage to the spark plugs?
No. The points control the coil circuit; spark distribution is handled by the distributor's rotor and cap.

Should the condenser be checked?
Yes. A defective condenser can contribute to rapid contact deterioration and ignition faults.

Is rough running enough to confirm failed points?
No. Inspect the contacts and check adjustment, wiring and associated ignition components before replacing parts.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92360292100
059998051B
92360292100

The product you are viewing cross references to these numbers
DISPLAYING 1 to 1 (of 1 products)
About Rotor Arms / Point Sets

Rotor Arms & Contact Points Sets – Precision Ignition Components for Classic Porsche Models

Rotor arms and contact point sets are essential parts of your Porsche’s ignition system, responsible for controlling spark distribution and timing in vehicles with mechanical ignition setups. Together, they ensure the correct firing sequence, providing reliable combustion, smooth acceleration, and efficient engine performance.

At Design911, we stock a complete range of genuine and high-quality rotor arms and contact point sets for classic and early Porsche models, including 911, 912, 914, 924, and 928. Each component is designed for precision fitment, long-lasting performance, and consistent electrical delivery — maintaining your Porsche’s originality and reliability.

What Do Rotor Arms and Contact Points Do?

In traditional distributor-based ignition systems, these components work together to generate and distribute the spark required for combustion:

  • Rotor Arms: Spin inside the distributor cap, transferring the ignition coil’s high-voltage current to each spark plug terminal in turn.
  • Contact Points: Open and close the electrical circuit in sync with the engine’s rotation, controlling coil discharge and ignition timing.
  • Together: They maintain accurate spark timing for smooth running and efficient power delivery.

These components are crucial for keeping classic Porsche engines firing reliably and performing at their best.

Why Do Rotor Arms and Contact Points Fail?

Over time, heat, friction, and wear can affect the performance of these ignition parts. Common causes of failure include:

  • Contact wear or pitting from electrical arcing.
  • Carbon buildup reducing spark efficiency.
  • Rotor arm erosion or cracking from high voltage or vibration.
  • Mechanical fatigue due to mileage and age.
  • Corrosion or contamination in the distributor housing.

Symptoms of failure include hard starting, misfires, engine hesitation, or loss of power, particularly at high revs or under load.

Why Replace Worn Rotor Arms and Contact Points?

Replacing worn or damaged ignition components restores accurate spark timing and smooth engine performance. New, high-quality rotor arms and contact points improve combustion efficiency and prevent further ignition system wear.

Benefits of replacement include:

  • Reliable starting and smoother idling.
  • Improved power delivery and throttle response.
  • Reduced misfires and fuel consumption.
  • Long-term reliability with manufacturer-quality precision.

All components in our range are built using high-grade materials with precise machining and durable contact surfaces, ensuring consistent spark delivery and long-lasting performance in vintage and air-cooled Porsche engines.

You may also like
Popular Models