ISUZU Starter Assembly 24V 4.5kW 11T DENSO Type (OSGR) for FVR33 6HH1 OEM Standard
Basic Properties
Place of Origin:
CHINA
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
FVR33 6HH1
Trading Properties
Minimum Order Quantity:
20 PCS
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
10000 pcs/month
Specifications
| Voltage: | 24V | Power: | 4.5kW |
| Gear Teeth: | 11 Teeth (11T) | Mounting Flange Diameter: | 105mm |
| Overall Length: | 218.5mm (8.602 Inches) | Net Weight: | 8.36 Kg |
| High Light: | 24V 4.5kW Starter Assembly,11T Starter Motor,DENSO Type (OSGR) Starter |
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Product Description
ISUZU Starter Assembly 1-81100323-1 1811003231 for FVR33 6HH1 — 24V 4.5kW 11T OEM Standard
ISUZU Starter Assembly 1-81100323-1 1811003231 Compatible with FVR33 6HH1 6HE1 Diesel Engine — 24V 4.5kW 11T OEM Standard Replacement
Product Overview
The ISUZU Starter Assembly with OEM numbers 1-81100323-1 / 1811003231 (associated with 1-81100307-0 / 1811003070) is a heavy-duty replacement designed for ISUZU FVR33 series trucks, compatible with 6HH1 diesel engines. This component converts electrical energy from the battery into mechanical energy to rotate the engine flywheel for engine startup.
Part Number Information: This product number is 1-81100323-1 / 1811003231. Associated number 1-81100307-0 / 1811003070. Same-series numbers include 1-81100323-0 / 1811003230. Cross-reference numbers include 0-24000-3032 / 0240003032, 8943998261, 8-94399-826-1.
Working Principle
The starter motor is mounted on the engine flywheel housing and engages with the flywheel ring gear. Its working principle includes:
- Solenoid Switch Energized: Battery current is sent to the starter solenoid when key is turned to "START" position
- Gear Engagement: Solenoid pushes starter drive gear outward to engage with flywheel ring gear
- Motor Rotation: Solenoid main contacts close, allowing high current to flow into starter motor
- Engine Start: Rotating flywheel turns crankshaft, initiating four-stroke cycle
- Automatic Disengagement: Drive gear retracts from flywheel ring gear when key is released
Failure Symptoms
| Symptom | Probable Cause |
|---|---|
| No response from starter when key is turned | Burnt solenoid contacts, worn brushes, or open circuit in motor |
| Starter cranks slowly; engine fails to start | Weak battery, worn brushes, or shorted motor windings |
| Starter spins freely but engine does not turn | Worn drive gear or flywheel ring gear; failed engagement |
| Loud metallic grinding noise during startup | Poor engagement or worn gears |
| Starter continues running after key is released | Sticking solenoid contacts |
Technical Specifications
Voltage/Power:
24V with 4.5kW output
Gear Specification:
11-tooth (11T) drive gear
Rotation Direction:
Clockwise (CW)
Mounting Dimensions:
Flange diameter 105mm, mounting hole center-to-center 150mm
Gear Outer Diameter:
40.1mm (1.579 inches)
Overall Length:
218.5mm (8.602 inches)
Net Weight:
8.36 kg
Starter Type:
DENSO Type (OSGR)
Product Details
| Part Number: | 1-81100323-1 1811003231 |
| Product Name: | Starter Assembly |
| Car Model: | FVR33 |
| Engine Model: | 6HH1 |
| Condition: | 100% Brand New |
| Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe |
| Package: | Neutral Packing Or Make It As Requested |
| Material: | High-strength aluminum alloy & precision bearings |
| Quality Standard: | OEM equivalent / ISO quality control |
Vehicle & Engine Compatibility
Primary Applications:
| Brand | Model | Engine | Years | Displacement |
|---|---|---|---|---|
| ISUZU | FVR33 | 6HH1-S | 1989– | 8.2L |
| ISUZU | FFR33 | 6HH1-S | 1989– | 8.2L |
| ISUZU | FFR32 | 6HE1 | 1989– | 7.1L |
| ISUZU | FSR32 | 6HE1 | 1989– | 7.1L |
| ISUZU | FTS33 | 6HH1-S | 1989– | 8.2L |
Important Fitment Warnings:
- This product number is 1-81100323-1 / 1811003231. Associated number 1-81100307-0 / 1811003070
- Before replacing starter, check battery voltage (24V system), starter relay, ignition switch, and wiring connections
- Verify mounting dimensions match original starter: Flange diameter 105mm, mounting hole center-to-center 150mm
- Refer to ISUZU factory workshop manual for starter mounting bolt torque specifications
- Professional installation strongly recommended due to high-voltage electrical systems
Features & Benefits
24V 4.5kW High-Power Motor
Provides strong starting torque for reliable startup of 6HH1/6HE1 large diesel engines under various temperature conditions
11-Tooth Precision Gear Engagement
Ensures accurate drive gear-to-flywheel ring gear engagement, reducing starting shock and wear
DENSO Type (OSGR) Precision Manufacturing
Built to internationally recognized starter technology standards for superior reliability
Gear-Reduction Design
Delivers higher starting torque output with lower current draw, improving starting efficiency
8.36kg Robust Construction
Heavy-duty metal housing with excellent impact and vibration resistance for harsh conditions
Broad OEM Cross-Compatibility
Replaces multiple OEM numbers including 1-81100323-1, 1-81100307-0, and cross-reference numbers
1-Year Warranty
Reliable after-sales protection with 1-year quality guarantee
Quality Control
| QC Item | Inspection Method | Acceptance Criterion |
|---|---|---|
| Motor no-load speed/current | Starter test bench | Standard range (24V 4.5kW) |
| Solenoid pull-in voltage | Special test equipment | Standard voltage range (24V system) |
| Drive gear engagement travel | Special gauge | Standard travel range |
| Insulation withstand voltage | Hi-pot tester | Per insulation standard |
| Mounting dimensional accuracy | CMM | 105mm flange / 150mm hole spacing |
| Visual inspection | Visual | No scratches, burrs, or rust |
Installation Guidelines
IMPORTANT SAFETY NOTICE: The starter involves high-voltage electrical systems. Disconnect the battery negative cable before any installation or repair work. Professional installation is strongly recommended.
Preparation:
- Confirm installation position and part number
- Prepare tools: Socket wrench, torque wrench, multimeter
- Safety: Disconnect battery negative cable before proceeding
Removing Old Starter:
- Disconnect battery negative cable
- Disconnect cables from the starter
- Remove starter mounting bolts
- Carefully remove the old starter
Installing New Starter:
- Clean mounting surface thoroughly
- Install new starter and torque mounting bolts to specification
- Reconnect main power cable and solenoid control wire
- Reconnect battery negative cable
- Start engine to confirm normal operation
Packaging & Supply
| Packaging: | Neutral packaging or customized per customer request |
| Quantity per package: | 1 piece/carton |
| Product Net Weight: | 8.36 kg |
| Place of Origin: | China |
| Minimum Order Quantity: | 1 piece |
| Delivery Time: | 5–8 working days |
| Warranty: | Per supplier policy (typically 1 year) |
| HS Code: | 851140100 |
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