Gear for PORSCHE 928 911 944 speedometer instrument cluster 20x29
excellent workmanship quality
Description: If the odometer/trip meter has failed on your vehicle, this gear is almost always the cause. The original beige-brown gears crumble over the years due to a material defect and have to be replaced.
Variants: Most 928s with KM/h speedometers have the 20x32 installed. To do this, simply search for “20x32” in the shop. Models with mileage speedometers always have the 20x21 installed. We can say with great certainty, but not with 100% certainty, which model has which gear size. Too many influencing factors come into play here (engine type/gearbox type/gear ratio/differential type/year of manufacture/model). However, the following data reliably helps to determine the right gear: 20x21 (17.60mm/9.00mm) number of teeth opposite partner gear: 49 teeth 911/928 mph/944 20x22 (17.60mm/9.40mm) Number of teeth opposite partner gear: 48 teeth 911/944 mph 20x23 (17.60mm/9.65mm) Number of teeth opposite partner gear: 47 teeth 944(S2)/911(G) 20x29 (17.60mm/12.05mm) Number of teeth opposite partner gear: 41 teeth some 928 km/h 20x30 (17.60mm/12.55mm) number of teeth opposite partner gear: 40 teeth 911/944 20x32 (17.60mm/13.40mm) number of teeth opposite partner gear: 38 teeth 928 km/h
Simply count the teeth of the gear that this gear meshes with and/or use the measurements to help you.
Service: We have over 100 gear variants in our range and can supply the right gears if required!
+ all alternative sizes always in stock + fast exchange service in the event of a size discrepancy
For the repair, we will send you illustrated repair instructions (German/English) by email. You can also find suitable repair videos on YouTube.
Advantages: Buying a used speedometer saves you from having to repair it initially, but carries the risk that the gear will break in the near future. Storage times and cold temperatures in particular cause additional damage to the gears. Due to incorrect material choice by VDO, all original gears of this type will break over time! If you have dismantled the speedometer, we also recommend replacing the light bulbs. These noticeably lose performance over the years.
Quality: Our gears are elaborately and faithfully manufactured using injection molding and are not self-made 3D printed products. We work with a manufacturer that specializes in the production of plastic gears and is the global market leader with its repair solutions. The so-called involute tooth geometry is retained; this is the only way to ensure low-friction sliding of the tooth flanks between the gear pairs. The material we use is the thermoplastic Celron with graphite additives. These ensure low friction and wear-free operation.
If you disassemble the speedometer in advance, please note that the shaft of the speedometer needle is very sensitive. Grip the center of the speedometer needle and turn it counterclockwise. Pull lightly. Friction is everything that keeps the needle on the shaft.
partworks GmbH is a German company that specializes in reverse engineering and the distribution of spare parts for Porsche. Particular emphasis is placed on high quality and excellent service. More than 130,000 car fans worldwide are already satisfied customers of the Paderborn-based company. As a specialist company for classic car spare parts, we are aware of the quality requirements of our customers. Therefore, when it comes to subsequent developments, you can be sure that the requirements are very close to the original and in some cases even exceed them. With our own engineering department and internal testing, we can ensure the reliability of our products. Last but not least, our DIN ISO 9001 certified quality management confirms the thoroughness of our work. If you see the manufacturer information partworks, it means either an in-house development or an item from the original manufacturer (OE quality). Original equipment manufacturers are those manufacturers who have supplied the original product to the vehicle manufacturer but cannot be active in free trade under their own brand.
Additional Information:
● Large gear diameter: 17.6mm ● Number of teeth on large gear: 20 ● Small gear diameter: 12.05mm ● Number of teeth small gear: 29
Reference numbers: Attention, this product offered is a partial component of the component with the following OE number(s). Because our item is not listed separately with its own OE number as a spare part by the vehicle manufacturer. To make it easier to find and assign, the OE numbers of the associated assembly are listed here:
Attention, with this article the vehicle manufacturer has changed the scope of delivery behind the updated OE number over time or may have reduced several variants of a part to just one variant. In some cases this may not have been correct. Below we have listed both old and new OE numbers for the component. If in doubt, please check our product images to ensure that it is exactly the product you expect.
Suitable for: 911G 944 a few Porsche 928s Most 928s with KM/h speedometers have the 20x32 installed. Simply search for “20x32” in the shop Models with mileage speedometers always have the 20x21 installed. We can do so with great certainty but cannot say with 100% certainty which model has which gear size. Many influencing factors come into play here (engine type/gearbox type/gear ratio/differential type/year of manufacture/model). If, contrary to expectations, you need a different gear
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