T: +8615609213525
E: 15829336298@139.com
E: 15829336298@139.com
Room 1212-G107, Unit 2, Building 1, Block A, Shenglong Plaza, No. 80 Weiyang Road, Weiyang District, Xi'an City, Shaanxi Province
| Quantity: | |
|---|---|
3931713 3931296
Sinotruk HOWO
| Attribute | Description |
|---|---|
| Part Name | Flywheel Housing / Bellhousing / Flywheel Shell |
| Alternative Names | Engine-to-Transmission Adapter Housing, Clutch Housing |
| Material | High-strength cast iron or ductile cast steel; some models use aluminum alloy |
| Design Type | Precision-machined with: |
Name1
Name2
Verify Compatibility Before Purchase
Confirm exact engine model, transmission model, and vehicle generation.
Even minor changes can affect fitment.
Professional Installation Required
Involves lifting engine/transmission — must be done with proper tools and safety stands.
Improper handling may damage crankshaft or transmission bearings.
Check for Warping or Cracks
Inspect mating surface with engine block for flatness.
Use feeler gauge — maximum warp tolerance: ≤ 0.1 mm over 200 mm length.
Align Carefully During Assembly
Vibration
Premature bearing wear
Gear whine or grinding
Misalignment causes:
Use alignment tool during reassembly.
Use Correct Sealing Method
Apply RTV silicone or install OEM gasket between engine and housing.
Do not over-tighten bolts — risk of cracking cast iron.
Torque Bolts to Specification
Typically 80–100 Nm for main fasteners.
Follow manufacturer's tightening sequence (star pattern).
Inspect Starter Engagement
Ensure no interference between starter pinion and ring gear.
Listen for abnormal clicking or grinding noises.
Avoid Mixing Components
Never mix flywheel housings from different engine families — pitch circle diameter (PCD) differs.
Incorrect PCD causes imbalance and catastrophic failure.
Handle with Care
Cast iron is brittle — avoid dropping or striking.
Use padded slings when moving.
Storage Advice
Store upright on clean surface.
Keep sealing surfaces covered to prevent rust and contamination.
| Attribute | Description |
|---|---|
| Part Name | Flywheel Housing / Bellhousing / Flywheel Shell |
| Alternative Names | Engine-to-Transmission Adapter Housing, Clutch Housing |
| Material | High-strength cast iron or ductile cast steel; some models use aluminum alloy |
| Design Type | Precision-machined with: |
Name1
Name2
Verify Compatibility Before Purchase
Confirm exact engine model, transmission model, and vehicle generation.
Even minor changes can affect fitment.
Professional Installation Required
Involves lifting engine/transmission — must be done with proper tools and safety stands.
Improper handling may damage crankshaft or transmission bearings.
Check for Warping or Cracks
Inspect mating surface with engine block for flatness.
Use feeler gauge — maximum warp tolerance: ≤ 0.1 mm over 200 mm length.
Align Carefully During Assembly
Vibration
Premature bearing wear
Gear whine or grinding
Misalignment causes:
Use alignment tool during reassembly.
Use Correct Sealing Method
Apply RTV silicone or install OEM gasket between engine and housing.
Do not over-tighten bolts — risk of cracking cast iron.
Torque Bolts to Specification
Typically 80–100 Nm for main fasteners.
Follow manufacturer's tightening sequence (star pattern).
Inspect Starter Engagement
Ensure no interference between starter pinion and ring gear.
Listen for abnormal clicking or grinding noises.
Avoid Mixing Components
Never mix flywheel housings from different engine families — pitch circle diameter (PCD) differs.
Incorrect PCD causes imbalance and catastrophic failure.
Handle with Care
Cast iron is brittle — avoid dropping or striking.
Use padded slings when moving.
Storage Advice
Store upright on clean surface.
Keep sealing surfaces covered to prevent rust and contamination.
