Product Description

SINOTRUK / WEICHAI VG1246090002 Starter Motor Assembly is a heavy-duty engine ignition component designed for D12 engine platforms, helping provide stable crank power, reliable engine startup, and improved ignition response under high-load operating conditions.

This OE-quality starter motor is widely used in heavy truck engine repair, natural gas engine maintenance, engineering vehicle service, and export aftermarket replacement where starter failure may cause slow cranking, ignition delay, abnormal engagement noise, or engine starting failure. Market references commonly associate VG1246090002 with D12 engine starter applications and 24V heavy truck systems.

Suitable for OEM replacement, distributor sourcing, wholesale procurement, fleet maintenance, and export supply.

Product Overview

VG1246090002 is mainly used in heavy truck engine starting systems.

Common applications:

• Starter motor replacement

• D12 engine maintenance

• Natural gas engine repair

• Fleet overhaul

• OEM ignition system replacement

• Wholesale supply

• Export aftermarket procurement

Technical Parameters

Fitment Models

Common engine / vehicle applications:

• SINOTRUK HOWO D12 Engine

• WEICHAI D12 Natural Gas Engine

• HOWO A7 Heavy Truck

• Engineering Machinery Power Systems

Fitment Verification

Before order confirmation, verify:

• OEM No (VG1246090002)

• Engine model

• Natural gas / diesel version

• Voltage system (24V)

• Starter teeth count

• Mounting holes

• Connector layout

• Solenoid type

• Rotation direction

• Power rating

• Harness compatibility

OEM Cross Verification (SINOTRUK / WEICHAI Related)

Direct Fit

• SINOTRUK HOWO D12 engine starter systems

• WEICHAI D12 heavy-duty engine starting platform

• Related truck ignition motor applications

Can Be Adapted

• Matching D12 platforms after mounting / teeth / connector verification

Similar But Not Compatible

• Different voltage starters

• Different tooth count drive gears

• Different solenoid structure units

• Non-D12 engine starter motors

• Different mounting flange starters

Common Field Failure Case

Case 1

Vehicle: HOWO D12 Tractor Truck
Problem: Slow engine cranking
Root Cause: Internal coil wear and torque loss
Solution: Replace VG1246090002 starter motor
Result: Restored stable ignition performance

Case 2

Vehicle: Natural Gas Fleet Truck
Problem: Starter clicking but no crank
Root Cause: Solenoid engagement failure
Solution: Install OE-quality starter assembly
Result: Improved startup reliability

Case 3

Vehicle: Export Fleet Maintenance Project
Problem: Wrong starter gear mismatch
Root Cause: Teeth count not verified
Solution: Confirm OEM + gear teeth + mounting before shipment
Result: Reduced installation failure risk

Wrong Part & Export Transport Risk Control

Supplier Stability & Procurement Value

For distributors and fleet buyers:

• Original-quality supply

• Factory direct shipment

• Ready stock available

• Stable export packaging

• Reduced wrong-order risk

• Suitable for truck & engine repair

• Wholesale procurement support

• Reliable starter replacement compatibility

Related Engine Parts

Directly Associated Parts

• Alternator Assembly

• Engine Wiring Harness

• Starter Relay

• Battery Cable

Same System Parts

• Flywheel Ring Gear

• Ignition Solenoid

• ECU Harness

• Ground Cable

Often Forgotten Parts

• Mounting bolts

• Lock washers

• Connector seals

• Cable clips

• Protective sleeves

Contact

William Du
Heavy Truck & Engine Spare Parts Supply
WEICHAI | SINOTRUK | HOWO Export Parts
WhatsApp / WeChat: +86 19050562894
Email: Sales22@chinatruck.cc