The Elecdurauto 24V Heavy-Duty Starter Motor (Denso System 2945) is engineered for high-performance heavy-duty trucks, including Freightliner and Volvo models. Designed for optimal reliability and robust power delivery, this starter motor meets the rigorous demands of professional fleets and commercial operations. Featuring 8 kW power, 24V operation, and a precise 12-tooth pinion, Elecdurauto ensures seamless engine starts and long-term durability.
Elecdurauto
IATF 16949, ISO 9001, and other major OEM certification systems
OEM label and ODM customization accepted
20
7–60 Days
18 months
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Product Description
| Equipment Type | Engine Model / Application | Brand | Notes |
|---|---|---|---|
| Heavy-Duty Trucks | Freightliner HD Series | Freightliner | Provides dependable engine starts under high-load and long-haul operating conditions. |
| Commercial Vehicles | Volvo HD Truck Engines | Volvo | Ensures rapid cranking and reliable ignition performance for demanding fleet operations. |
| Fleet & Logistics | Vocational and Medium-Duty Trucks | Multiple Brands | Delivers consistent cold-start torque and durability across various commercial transport applications. |
| Parameter | Specification |
|---|---|
| Part Number | 2945 (DENSO System Series) |
| Product Type | Heavy-Duty Starter Motor – DENSO System Series |
| Voltage | 24V |
| Power Output | 8 kW |
| Teeth | 12 |
| Pinion Outer Diameter | 46 mm |
| Engagement Length | 92 mm |
| Rotation | Clockwise (CW) |
| Mount Type | DENSO Mounting Configuration |
| Cross References – DENSO | 428000‑1450 / 428000‑1451 |
| Cross References – Lester | 18577N |
| Housing Material | High-Strength Aluminum Alloy |
| Application Category | Freightliner HD Series, Volvo HD Trucks, Vocational & Medium-Duty Trucks |
| Quality Test Standard | IATF 16949 & ISO 9001 Certified Production System |
| Warranty | 18 Months for Heavy-Duty Commercial Use |
| Reference Type | Reference Number | Brand / Description |
|---|---|---|
| OE Numbers – DENSO | 428000‑1450 / 428000‑1451 | DENSO Heavy-Duty Starter Series |
| OE Numbers – DENSO (Alternate) | Compatible with multiple 428000-series units | Additional DENSO-Compatible Replacement Options |
| Lester Number | 18577N | Industry Standard Cross Reference |
| Replacement For | DENSO 24V / 8 kW Starters | Direct-Fit DENSO-Type Applications |
| Application Crosses | Freightliner HD Series, Volvo HD Trucks, Vocational & Medium-Duty Trucks | Suitable for heavy-duty truck, fleet, and commercial transport applications |
At Elecdurauto, the components of each product are strictly inspected to ensure the quality of the products.
New series of products have to undertake all kinds of tests before out into SOP, such as DV performance test,environment test, electromagnetic vibration test, endurance treat.
Electromagnetic Vibration Tester (On Working Condition)
Starter DV Performance Tester
Starter Endurance Test Zone
Environment Test Area
At Elecdurauto, every starter is manufactured to exacting standards through our fully integrated production process. From rigorously inspected raw materials to precision machining and automated assembly, each step is optimized for consistency and performance. Every unit undergoes dynamic testing to ensure unmatched reliability—meeting the demands of both OEM specifications and aftermarket requirements.
Starter Raw Materials Preparation
Starter Component Processing
Starter Parts Fabrication
Starter Parts Assembly Process
Starter Automated Production Line
Starter Quality Control Check
Starter Final Product Assembly
Starter Finished Goods Storage
With extensive experience in supplying to OEMs and large distributors, Elecdurauto understands what global compliance truly means. Our starter motors can be tailored to meet the required certifications and regulatory standards in your region — whether it's CE for Europe, E-Mark for automotive electronics, INMETRO for Brazil, or GCC conformity for the Middle East.
ISO/IATF 16949 Certified Production
ISO 14001 Environmental & Safety Compliance
Optional CE, RoHS, E-Mark, REACH, INMETRO & others
Lab testing partnerships for electromagnetic compatibility (EMC), durability, noise & vibration, and more
Customized labeling and documentation to meet your import/export requirements
Need help passing a new certification for your country?
Want to brand your own line with compliance guarantees?
We've done it before — and we're ready to do it for you.
At Elecdurauto, we take pride in delivering more than just starters—we provide end-to-end solutions tailored to our clients' exact needs. As a trusted OEM supplier for starters, we've built long-term partnerships by combining precision engineering, responsive service, and value-added support.
From initial design collaboration to final delivery, we ensure every starter meets strict OEM specifications while optimizing for performance and durability. Our team works closely with clients to refine packaging, streamline logistics, and even assist with product development—ensuring a seamless integration into their production lines.
Starter Motor Samples
Designed Boxes with Client Logo
Client Showcasing
OEM Starter Models Showroom
Detailed Shot of Starter Motor
Precision Components Inside Starter
Surface Texture and Labeling on Starter
Starter Motor Units Before Packaging

Elecdurauto brings together a powerful network of China's top automotive electrical component manufacturers to serve global buyers with unmatched efficiency.
As your strategic sourcing partner, we offer:
Competitive factory pricing
Product quality on par with international brands
Full support across fuel and new energy vehicle segments
From OE-compatible starter motors to custom-developed units, Elecdurauto empowers wholesalers, distributors, and OEM customers with reliable supply chain access and flexible production capability.

National-level high-tech enterprise focused on motor system innovation
¥300M+ R&D investment spanning ICE, BEV, HEV, REEV platforms
Modern production centers certified to GMW Global & CINA standards
Full-process automation with real-time quality control, smart warehousing, and digital visualization
Industry-leading single-line output capacity
Built upon Six Sigma and lean production principles
Smart upgrade from traditional to digitalized manufacturing
Capable of complex processes: round wire stators, high-density alternators, IPX4/IP67 protection-grade starters
Full IATF 16949, ISO 14001 compliance
In-house testing: performance, NVH, life-cycle (except EMC)
Certified by top OEMs: GMW, Chery, JAC, Foton, Caterpillar
Lifecycle validation: 45,000 to 350,000 cycles for start-stop systems
Starter motor digital assembly line: 2 million units/year
Rotor production: 3 million units/year
Flat wire stators/rotors: 250,000 units/year
Round wire motors: 240,000 units/year
Starter assembly total capacity: 600,000 units/year
As a dedicated supplier of heavy-duty components systems, we strengthen our global presence through strategic cooperation with our South American partner. Together, we co-host international exhibitions to present reliable, high-performance heavy-duty components to distributors, fleet operators, and aftermarket professionals across worldwide.

Joint Booth With South American Partner
Heavy-Duty Product Display Zone

On-Site Technical Consultation
Our Expert Team on Site
Live Product Demonstration
Innovation & Technology Corner
This starter motor is designed for heavy-duty applications including Freightliner HD Series trucks, Volvo HD Trucks, and vocational or medium-duty commercial vehicles. Always verify engine specifications before installation.
The Elecdurauto DENSO System 2945 features 24V voltage, 8 kW power output, a 12-tooth pinion with 46 mm outer diameter, and 92 mm engagement length, ensuring reliable starting performance for commercial fleets.
Elecdurauto offers an 18-month warranty for heavy-duty commercial use, reflecting confidence in durability and performance under demanding fleet conditions.
Manufactured under IATF 16949 and ISO 9001 certified production systems, this starter motor undergoes comprehensive testing, including electrical load, thermal endurance, mechanical stress, and pinion engagement verification.
With planetary gear reduction technology, precise engagement length, and high-torque output, this starter motor ensures consistent cold starts and reliable ignition even under heavy load and low temperatures.
Installation services are available through authorized Elecdurauto distributors and service centers. Detailed installation guides are also provided for professional workshops.
Elecdurauto supports B2B bulk orders with flexible logistics, competitive pricing, and dedicated technical support for fleet operators and commercial distributors.
This starter motor is produced in facilities adhering to global quality standards, ensuring consistent performance and reliability for international commercial markets.
Customers should cross-check engine models, OE numbers, and pinion specifications with Elecdurauto product details. Contacting the Elecdurauto sales or technical team can provide confirmation for specific fleet applications.