107.25 EUR
NPS DSN934 Denso Starter
Looking for a reliable starter motor? Look no further than the Denso Starter Motor DSN934. With its advanced technology and durable construction, this starter ensures efficient and hassle-free starting every time
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NPS DSN934 Denso Starter
The NPS DSN934 Denso Starter is a high‑performance ignition component designed specifically for Toyota Yaris and its variants, including the Verso, Fun Cargo, Vitz, Echo, and other models that share the same engine architecture. This starter motor delivers reliable cranking power, ensuring that your vehicle starts quickly and consistently under all operating conditions.
Key Technical Specifications
- Voltage: 12 V DC – compatible with standard automotive electrical systems.
- Power Output: 1 kW (approximately 78 kW in some regional specifications) – sufficient to crank engines ranging from 1.3 L to 1.5 L gasoline units.
- Rotation Direction: Clockwise (right‑handed) – matches the engine’s crankshaft orientation for optimal performance.
- Gear Teeth: 9 – provides a balanced torque ratio that delivers smooth and efficient cranking.
- Mounting Compatibility: Fits Toyota Yaris (1999‑2005), Yaris Verso (NCP21, NCP13, CP1), and related models with the 1NZ‑FE or 2NZ‑FE engines.
- Model Numbers: 2810021020, 2810021021, 2810021030, 2810021031 – these identifiers are used across various markets to denote the same component.
Design and Construction
The starter motor incorporates a robust stator windings system that generates a strong magnetic field when energized. This field interacts with the rotor’s armature** to produce the necessary torque for engine cranking. The rotor is encased in a durable housing made from high‑strength alloy steel, which protects internal components from vibration and thermal stress.
To ensure longevity, the DSN934 features:
- High‑temperature insulation on windings to resist degradation at elevated operating temperatures.
- Precision bearings that maintain alignment and reduce friction during rotation.
- A sealed design that prevents ingress of moisture, dust, and other contaminants, thereby extending service life.
Installation Overview
Installing the NPS DSN934 is straightforward for technicians familiar with automotive starter systems. The process typically involves:
- Disconnecting the battery to ensure safety during removal.
- Removing the old starter motor by detaching the mounting bolts and disconnecting electrical connections.
- Positioning the new DSN934 in the engine bay, aligning it with the crankshaft pulley.
- Securing the mount using the supplied bolts and torque specifications.
- Reconnecting electrical leads, ensuring proper polarity and secure contacts.
- Testing the starter by applying battery power to confirm correct operation and rotation direction.
Performance Highlights
- Rapid Cranking: The 1 kW output allows the engine to start within seconds, even in cold weather or after prolonged idling.
- Consistent Torque: The 9‑tooth gear ratio delivers a steady torque curve that reduces wear on starter components and improves overall reliability.
- Durability: Designed to withstand thousands of start cycles, the DSN934 is suitable for both daily driving and high‑usage scenarios.
Compatibility Summary
The NPS DSN934 is engineered for a wide range of Toyota models that share similar engine configurations. Below is a concise compatibility list:
| Model | Engine | Year Range |
|---|---|---|
| Yaris (P1) | 1NZ‑FE / 2NZ‑FE | 1999–2005 |
| Yaris Verso (NCP21, NCP13, CP1) | 1NZ‑FE / 2NZ‑FE | 1999–2005 |
| Fun Cargo, Vitz, Echo | 1NZ‑FE / 2NZ‑FE | 1999–2005 |
Maintenance Tips
- Regularly inspect the starter’s electrical connections for corrosion or loose contacts.
- Check the battery charge level; a weak battery can cause excessive load on the starter, shortening its life.
- Keep the engine bay clean to prevent dust accumulation around the starter housing.
Conclusion
The NPS DSN934 Denso Starter exemplifies Toyota’s commitment to quality and reliability. With its robust construction, precise engineering, and proven performance across multiple model years, this starter motor is an essential component for maintaining the dependable operation of your vehicle’s ignition system.
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| Tags | All-new bearings |
| Identifiers | |
| Brand | ![]() Denso is a Japanese automotive parts manufacturer. It is the world's largest supplier of automotive ignition systems, and also produces a wide range of other automotive components. |
| Model | Denso DSN934 |
| MPN | Denso DSN934 |
| ID | 7099863 |
| Dimensions / Weight | |
| Key Features | |

