Product Introduction

• Structure: A high-torque, gear-reduction starter motor with a durable cast-aluminum housing, a series-wound DC motor, and an integrated solenoid. It features a pinion gear that engages with the engine’s flywheel ring gear, and heavy-duty electrical terminals for reliable power transfer.

• Performance: Delivers high cranking torque to start the engine even under extreme conditions, such as low temperatures or high altitudes. The gear-reduction design increases torque output while reducing current draw, protecting the vehicle’s battery and electrical system.

Core Function

1. Engine Cranking: Converts electrical energy from the battery into mechanical torque, rotating the engine’s crankshaft to initiate the combustion process.

2. Pinion Engagement: The integrated solenoid pushes the pinion gear into engagement with the flywheel ring gear, ensuring smooth and reliable engine starting.

3. Overload Protection: The solenoid also acts as a relay, protecting the vehicle’s ignition switch from high current loads and preventing damage to the starter motor.

Engine Starter Motor В7617-3708100 Yuchai – Reliable OEM-Grade Performance for Heavy-Duty Applications

When your fleet depends on consistent ignition power across thousands of cold starts, you need a starter motor that never hesitates. The Engine Starter Motor В7617-3708100 Yuchai delivers dependable cranking torque engineered specifically for Yuchai diesel engines in demanding commercial vehicle applications. Sourced directly from METTLEAD Truck Parts’ quality-controlled supply chain, this starter motor combines OEM-level precision with factory-direct pricing that helps procurement managers protect both uptime and budgets.

Key Features and Benefits of Engine Starter Motor В7617-3708100 Yuchai

• Precision-Matched to Yuchai Engines – Designed as a direct-fit replacement for OEM part number В7617-3708100, eliminating compatibility guesswork and reducing installation time to under 45 minutes.
• High Cranking Torque Output – Delivers robust starting power even in sub-zero ambient temperatures, ensuring reliable cold-start performance across harsh operating environments.
• Extended Service Life – Built with heavy-duty copper windings and heat-resistant insulation rated for 50,000+ start cycles, reducing replacement frequency and total cost of ownership.
• Corrosion-Resistant Housing – Sealed aluminum alloy casing protects internal components from moisture, dust, and road debris encountered in long-haul and construction site applications.
• Low Current Draw – Optimized electromagnetic design reduces battery drain during engagement, preserving electrical system longevity and maintaining stable voltage across accessory circuits.
• Factory-Direct Price Advantage – Sourced from METTLEAD’s verified manufacturing partners in China, cutting out middlemen and delivering 20–35% cost savings compared to traditional aftermarket channels.
• Strict Quality Control – Every Engine Starter Motor В7617-3708100 Yuchai unit undergoes full-load bench testing, no-load speed verification, and insulation resistance checks before shipment.

Technical Specifications – Engine Starter Motor В7617-3708100 Yuchai

Application Scenarios – Where This Yuchai Starter Motor Performs

The Engine Starter Motor В7617-3708100 Yuchai is purpose-built for medium and heavy-duty commercial vehicles powered by Yuchai YC6L, YC6J, and YC6A series diesel engines. It thrives in the following real-world scenarios:

• Long-Haul Logistics Trucks – Handles the daily start-stop demands of line-haul tractors covering 800+ km per day across variable climate zones.
• Construction & Mining Equipment – Withstands extreme vibration, dust exposure, and temperature swings found at quarry and road-building sites.
• Municipal & Sanitation Vehicles – Supports frequent restarts during urban stop-and-go refuse collection and street maintenance routes.
• Bus & Coach Fleets – Ensures punctual depot departure for intercity and urban transit buses running on Yuchai powertrains.
• Agricultural Transport – Provides reliable ignition for grain haulers and farm-to-market vehicles operating in humid or freezing rural environments.

Compatible vehicle platforms include select models from DONGFENG, FOTON, FAW, and other Chinese truck manufacturers equipped with Yuchai engine packages. For a full compatibility cross-reference, contact our technical team with your engine model and chassis number.

OEM/ODM Capability – Tailored Solutions for Your Market

METTLEAD Truck Parts understands that different markets have different expectations. That is why we offer flexible customization options for bulk buyers and distributors looking to brand the Engine Starter Motor В7617-3708100 Yuchai as their own:

• White-Label Packaging – Receive units in neutral packaging ready for your private branding, complete with your logo, part number, and language-specific documentation.
• Custom Packaging Design – Our design team collaborates with you to create retail-ready or warehouse-friendly packaging that meets your market’s regulatory labeling requirements.
• Flexible MOQ – We support trial orders for market testing and scale seamlessly to container-level quantities for established demand.
• Technical Documentation Support – We provide installation guides, specification sheets, and warranty templates in your preferred language for end-user distribution.

Every unit ships with full traceability, including batch records and test certificates. Our production line adheres to ISO/TS 16949 quality management principles, giving your customers confidence in every box they open.

Customer Case Study – Engine Starter Motor В7617-3708100 Yuchai in Action

In Q1 2024, a fleet maintenance company managing 220 Yuchai-powered trucks across East Africa approached METTLEAD with a recurring problem: their existing aftermarket starter motors were failing after just 8,000–12,000 start cycles, resulting in roadside breakdowns, towing costs, and schedule disruptions.

After switching to the Engine Starter Motor В7617-3708100 Yuchai supplied by METTLEAD, the client reported the following results over a 9-month evaluation period:

• Zero premature failures across all 220 units installed.
• 38% reduction in per-unit procurement cost compared to their previous European aftermarket supplier.
• Average delivery time of 12 days (CIF Mombasa), down from 28 days with their prior vendor.
• Consistent cold-start performance in highland regions where morning temperatures drop below 5°C.

The procurement manager noted: “We tested three suppliers before settling on METTLEAD. The В7617-3708100 starter motor matched OEM quality at a price point that made sense for our operating margins. Reorder has been seamless.”

Frequently Asked Questions – Engine Starter Motor В7617-3708100 Yuchai

What Yuchai engine models does the В7617-3708100 starter motor fit?

This starter motor is engineered as a direct replacement for Yuchai YC6L, YC6J, and YC6A series diesel engines. The 12-tooth pinion and flange mounting dimensions match the original equipment flywheel housing specifications. If you are unsure about compatibility with your specific engine variant, our engineers can verify fitment using your engine nameplate data.

How does the Engine Starter Motor В7617-3708100 Yuchai handle extreme cold starts?

The unit is rated for operation down to -40°C. Its planetary gear reduction design multiplies torque at the pinion, allowing it to crank high-compression diesel engines even when oil viscosity increases in freezing conditions. Copper commutator bars and silver-alloy brush contacts maintain conductivity at low temperatures where inferior materials would resist.

What is the expected service life of this starter motor?

Under standard operating conditions, the В7617-3708100 is tested to exceed 50,000 start cycles. For reference, a typical long-haul truck averaging 4 starts per day would reach this threshold after approximately 34 years of service, well beyond the economic life of most commercial vehicles.

Can I get this Engine Starter Motor В7617-3708100 Yuchai in my own branded packaging?

Yes. METTLEAD offers full white-label and custom packaging services. You provide your brand guidelines, and we handle the design, printing, and packing in-house. Minimum order quantities for branded packaging are discussed on a case-by-case basis to accommodate both emerging distributors and established wholesalers.

What quality tests does each unit pass before shipping?

Every Engine Starter Motor В7617-3708100 Yuchai undergoes a multi-stage inspection protocol: insulation resistance testing (≥ 1 MΩ at 500V DC), no-load performance verification, full-load torque measurement, solenoid engagement force testing, and a final visual inspection for surface finish and dimensional compliance. Units that fail any stage are rejected outright.

How should I store this starter motor before installation?

Store in a dry, ventilated environment away from direct sunlight. Keep the unit in its original packaging to protect electrical terminals from moisture and oxidation. Ideal storage temperature is between 5°C and 35°C. Shelf life before installation is 24 months when stored correctly.

Ready to Secure Your Supply of Engine Starter Motor В7617-3708100 Yuchai?

Your fleet’s uptime starts with a starter motor you can trust. METTLEAD Truck Parts delivers the Engine Starter Motor В7617-3708100 Yuchai with genuine quality, competitive factory-direct pricing, and delivery timelines that keep your maintenance schedules on track.

Take the next step today:

1. Tell us your required quantity and destination port.
2. Receive a detailed quotation within 24 hours.
3. Approve the order and get your shipment on the water fast.

👉 Contact us now to request your quotation – our team is standing by to assist with technical questions, bulk pricing, and logistics planning.

Browse our complete range of Yuchai engine parts and accessories to consolidate your order and reduce per-unit shipping costs.

METTLEAD Truck Parts – Your trusted factory-direct source for Chinese truck components worldwide. We welcome facility visits and on-site inspections at any time.