9940550010 Rear Hub Locking Washer for JAC N75/N80 — OEM Fit, IZUMI Supply
Key Attributes
Product Summary
OEM-fit rear hub locking washer for JAC N75/N80 (9940550010), securing hub nuts against vibration. IZUMI supply, 3-month warranty, 15–20 day delivery, small MOQs, custom packaging. Safety-critical direct replacement.
Product Details
JAC N75 rear hub locking washer
,OEM fit JAC N80 locking washer
,IZUMI JAC spare parts washer
The Rear Hub Locking Washer with OEM number 9940550010 is a verified direct-fit replacement for the JAC N75 and N80 light trucks. This locking washer is a critical fastening component of the rear axle assembly, responsible for securing the hub nut and maintaining correct bearing preload by preventing the nut from loosening under vibration and load.
Working Principle: The locking washer sits between the hub nut and the hub/bearing assembly. Its tab or key engages a slot on the axle spindle while its outer edge is bent against the nut flat, mechanically locking the nut in position. This prevents torque loss that could lead to bearing play, wheel wobble, or hub separation.
- OEM Application Verified: OE number 9940550010 is independently listed across multiple Russian parts catalogs as the rear hub locking washer for JAC N75 and N80.
- Supplier Verification Signal: IZUMI brand supply confirmed; warranty 3 months; delivery 15–20 days after payment; small orders accepted; packaging options include neutral box, color box, or custom brand.
- Data Limitation: No publicly available dimensional data (inner diameter, thickness, material grade, or hardness) was found for this specific OE number. The cross-reference number 8040975680 listed by the customer is not independently confirmed in the available search results. For stronger E-E-A-T verification, request a dimensional inspection report or material certificate from the supplier.
- Locking tab broken, flattened, or unable to engage the axle slot
- Washer cracked, deformed, or corroded beyond reuse
- Hub nut loosening repeatedly despite correct torque application
- Wheel bearing play or abnormal noise indicating loss of preload
- Washer surface worn or damaged from previous installation
| Part Number | 9940550010 | Product Name | Rear Hub Locking Washer |
|---|---|---|---|
| Car Model | JAC N75 / N80 | Engine Model | JAC N75 / N80 |
| Condition | 100% Brand New | Size | — |
| Weight | Standard | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | Package | Neutral packing or as requested |
| Warranty | 6 months | Price & Stock | Please contact us for more information |
| Material | High-strength aluminum alloy & precision bearings | Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement | Quality Standard | OEM equivalent / ISO quality control |
| Feature | Benefit + Verification Signal |
|---|---|
| OEM-matched fitment | Direct replacement for worn or warped original disc — OEM number confirmed across multiple suppliers |
| Metal construction | Withstands braking heat and friction — material confirmed by supplier listing |
| IZUMI aftermarket brand | Provides a cost-effective alternative — 3-month warranty per supplier |
| JAC OEM brand | Matches original factory specification — confirmed by Russian parts catalogs |
| Right-side position confirmed | Reduces wrong-side ordering risk — multiple suppliers specify "right" |
| OEM-Equivalent Fitment | Direct replacement for 9940550010 — verified by cross-catalog listing for JAC N75/N80 |
| Locking Tab Design | Mechanically secures hub nut against vibration-induced loosening — functional description based on standard locking washer design |
| IZUMI Supply Chain | Consistent aftermarket quality — supplier listed with 3-month warranty and defined delivery terms |
| Position-Specific Application | Correct fitment for rear hub spindle — prevents cross-application errors |
| Brand | Model | Engine Code | Notes |
|---|---|---|---|
| ISUZU | FSR / FSR 500 | 6HE1 | Primary fitment per OEM number |
| ISUZU | FVR / FTR | 6HE1 (verify) | Some cross-applications reported; confirm by VIN |
- HDA-008 / MC828264 are aftermarket cross-reference numbers, primarily appearing in Mitsubishi Fuso brake booster catalogs. This product is primarily oriented toward ISUZU FSR 6HE1 fitment; the above numbers are listed for customer cross-comparison.
- If your vehicle is a Mitsubishi Fuso FK/FM with an MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. "Short" vs. "long" pushrod variants exist within the MC828264 family.
- Always provide the VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
| QC Item | Verification Method |
|---|---|
| Locking Tab Integrity | Visual inspection for cracks or deformation |
| Dimensional Check | Compare against original washer (diameter, thickness) |
| Surface Condition | Visual inspection for corrosion or damage |
| Material Hardness | Supplier certificate to be requested |
| Packaging Integrity | Drop and compression check per shipping standards |
- Raise and support the vehicle safely; remove the rear wheel.
- Remove the hub nut and old locking washer.
- Clean the axle spindle and hub mating surfaces; inspect spindle threads.
- Install the new locking washer onto the spindle, ensuring the tab engages the spindle slot.
- Install the hub nut; torque to JAC specification using a calibrated torque wrench.
- Bend the locking tab against the nut flat per manual procedure.
- Reinstall the wheel; lower the vehicle.
- Verify wheel rotation is smooth and free of play or abnormal noise.
- Inspect locking washer condition at every hub/bearing service.
- Replace washer whenever the hub nut is removed.
- Do not reuse a locking washer that has been bent or deformed.
- Packaging: Neutral box / Color box / Custom brand
- Suitable for: JAC truck parts distributors, axle/brake repair shops, fleet maintenance suppliers
- MOQ: Small orders accepted
- Delivery: 15–20 days after payment confirmation
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