C3908546 Flywheel Ring Gear Starter Engagement Toothed Ring For DFCV ISD4.5 Diesel Engine Crank Start Drive Parts
Product Details
| OEM: | CC3908546 | Vehicle Model: | ISD4.5 |
|---|---|---|---|
| Size: | 138c*d412mm | ||
| Highlight |
C3908546,C3908546 Flywheel Ring Gear,Flywheel Ring Gear for DFCV Truck |
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Product Description
C3908546 Flywheel Ring Gear is a circular toothed ring press-fitted onto the outer rim of engine flywheel for DFCV ISD4.5 diesel engine. It meshes with starter pinion gear to transfer rotational force and crank the engine during startup. This aftermarket ring gear resolves startup grinding noise, starter slipping and intermittent cranking failure caused by tooth surface abrasion, chipped tooth tips and surface fatigue spalling after countless startup cycles. Reliable tooth profile engagement guarantees smooth cold and hot starting performance, lowering starter motor overload risk for medium-duty trucks undertaking urban distribution and short-distance intercity delivery.
Product Advantages Made of high-carbon alloy steel with surface hardening process, balancing surface hardness and inner toughness against impact fracture. Uniform tooth pitch and tooth profile reduce meshing friction and abnormal noise. Precision inner diameter is designed for stable interference press fit on flywheel rim. Each ring gear undergoes tooth profile screening and dimension inspection before delivery, OEM specification for press installation during engine maintenance.
| Item | Parameter |
|---|---|
| Part Number | C3908546 |
| Product Name | Flywheel Ring Gear |
| Matching Engine | DFCV ISD4.5 |
| Material | Surface Hardened Alloy Steel |
| Feature | Starter Meshing, Impact Resistance, Anti-Wear Tooth Surface, Interference Press Fit |
| MOQ | Negotiable |
| Application | Engine starting transmission and starter pinion meshing assembly |
Applicable Models Fit for DFCV medium-duty trucks equipped with ISD4.5 diesel engine, widely used for regional cargo distribution and light heavy-load haulage.
FAQ
Q1: What sound is typical when flywheel ring gear teeth are badly worn?
A1: Sharp metal scraping sound when cranking, and the starter spins freely without rotating the crankshaft.
Q2: What preparation should be completed before pressing this ring gear?
A2: Heat the ring gear evenly to expand inner diameter, never hammer directly on the tooth section.
Q3: Is it necessary to check the flywheel rim condition before fitting new ring gear?
A3: Yes, corrosion or deformation on the flywheel rim will weaken the press fit and make the gear loose.
Q4: What should we check after finishing installation?
A4: Rotate the flywheel manually and verify the starter pinion can engage smoothly without jamming.
Product Highlights
C3908546 Flywheel Ring Gear is a circular toothed ring press-fitted onto the outer rim of engine flywheel for DFCV ISD4.5 diesel engine. It meshes with starter pinion gear to transfer rotational force and crank the engine during startup. This aftermarket ring gear resolves startup grinding noise, ...
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