The 199014320120 main reducer housing is designed for HOWO heavy-duty trucks, a core part protecting drive system stability, durability, and transmission efficiency. It houses and secures gears, bearings, and other precision components, shielding them from road impacts, dust, mud, and collisions. Poor-quality housings cause misalignment, noise, oil leakage, and even drive system failure-especially problematic for trucks in construction, mountains, or long hauls.
A must-have replacement for fleets and owner-operators, it ensures top drive system performance in tough conditions. OEM-compliant design for perfect fit, no installation modifications needed. Whether hauling heavy loads on rough roads or long highway drives, it maintains structural integrity, keeps parts aligned, and enables smooth power transmission for reliable truck operation.
Compatibility Details
| Category |
Specifications |
| Fits Models | HOWO heavy-duty trucks |
| Works With |
HOWO original main reducer assembly & matching transmission parts |
| OE/OEM Number |
199014320120 |
| Extra Service |
Free VIN compatibility check + installation guidance |
Key Specifications
- Material: High-strength ductile iron (QT450-10) - great impact/fatigue resistance
- Dimensions: Precision-machined to OEM standards (exact HOWO fit)
- Weight: 12.5kg
- Surface Treatment: Anti-corrosion electrophoresis coating - rust/wear resistant
- Temperature Range: -40℃ to +150℃ - stable in extreme temps
- Sealing: Precision grooves - tight fit with oil seals, no leakage
- Mounting Accuracy: CNC-machined - precise internal component alignment
Materials & Production
All materials meet HOWO OEM standards from trusted suppliers. High-quality ductile iron with strict testing for strength and impact resistance. Advanced sand casting + CNC machining for accuracy and smoothness. Multiple inspections (casting flaws, machining precision, surface treatment) to eliminate defects.
Quality & Testing
- Standard: OEM
- Testing: Material analysis, ultrasonic flaw detection, dimensional check, sealing test, on-vehicle fitting
- Certifications: IATF16949, ISO9001
- Traceability: Unique batch code - trackable from raw materials to delivery
Service Life & Performance
- Expected Life: 300,000km/5 years (normal); 200,000km (harsh conditions)
- 40% more durable than ordinary cast iron, withstanding heavy-load stress and road impact. Anti-corrosion coating resists rust in rain/snow/dust. Precise mounting reduces friction, extending main reducer life.
Failure Prevention & Maintenance Savings
Cheap housings deform, crack, or leak-causing oil loss, gear wear, jitter, and breakdowns with high repair costs and downtime. This housing solves these with premium materials and precision design. Longer life cuts replacements, lowering maintenance costs.
Packaging & Labeling
- Options: Neutral, custom-branded, or bulk cartons
- Protection: EPE foam wrapping (anti-collision); inner cardboard bracing (structural integrity)
- Markings: OE number, batch code, production date, material specs on every unit
Lead Time & Inventory
- Stock: In stock year-round for urgent orders
- Restock: 3–5 business days
- MOQ: 1 pc
After-sales & Technical Support
- Fitment Check: Free VIN verification for your HOWO truck
- Installation Help: Diagrams, videos, and technical consultation on request
- Warranty: 6 months
FAQ
Q: Does this 199014320120 housing fit modified HOWO trucks?
A: Yes. Our tech team uses your VIN and transmission specs to confirm fit.
Q: What payment methods are accepted?
A: T/T, L/C and Western Union.
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