Front Hub Locking Washer 3103107N for JAC N56/N75/N80/N90 — Verified OEM Axle Lock Plate, 3-Month Warranty
Key Attributes
Product Summary
Verified OEM 3103107N front hub locking washer for JAC N56/N75/N80/N90 trucks. Precision-stamped tab geometry ensures secure hub nut engagement, preventing loosening under vibration. Durable construction resists fatigue and corrosion. Direct-fit replacement with 3-month warranty—ideal for fleets and axle specialists.
Product Details
Front Hub Locking Washer JAC
,OEM Axle Lock Plate 3103107N
,JAC N56/N75/N80/N90 Lock Washer
The Front Hub Locking Washer 3103107N is a verified direct-fit replacement for JAC N56, N75, N80, and N90 light trucks. Also known as a lock plate, this safety-critical component sits between the hub adjusting nut and the outer bearing. Its tab engages the nut slot and a flat on the spindle to prevent the hub nut from loosening under vibration and wheel rotation, maintaining correct bearing preload and wheel retention.
- Real Shop Test Data: 100% dimensional inspection using calipers — inner diameter, outer diameter, and thickness verified within ±[Insert tolerance] mm of OEM specification [Report No. YM-LW-2025-XX]. Tab height and width verified against the hub nut slot for proper engagement.
- Proven Durability: [Insert material, e.g., Spring steel] construction with [Insert surface treatment] rated for [Insert hardness, e.g., HRC 40–48] — verified by [Insert test method, e.g., hardness test and bend fatigue test] [Report No. YM-LW-2025-XX]. 3-month warranty available from IZUMI brand suppliers.
- Installation Success Rate: [Insert %] direct fitment — confirmed across [Insert number] repair orders for JAC N56/N75/N80/N90.
- OEM Cross-Reference Verified: Replaces OEM 3103107N. Listed for JAC N56/N75/N80/N90 and КАМАЗ Компас-5/9 applications across Russian and European parts databases.
Replace your hub locking washer if you notice any of the following:
- Hub nut loosening despite correct torque — wheel play or wobble at speed.
- Visible cracks, deformation, or broken tabs on the washer.
- Washer tabs flattened or worn — no longer engaging the nut slot.
- Excessive bearing play or noise from the front hub.
- Washer corroded or seized to the spindle.
| Part Number | 3103107N |
|---|---|
| Product Name | Front Hub Locking Washer |
| Car Model | JAC N56 / N75 / N80 / N90 |
| Engine Model | JAC N56 / N75 / N80 / N90 |
| 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 made as requested |
| Warranty | 6 months |
| Price & Stock | Please contact us to get 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 |
| 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.
| Feature | Benefit + Verification Signal |
|---|---|
| Fluorocarbon Rubber (Viton/FKM) | Withstands extreme cylinder head temperatures and modern diesel fuel chemistry without hardening or cracking — verified by thermal aging test (−20°C to +200°C+). |
| Precision Molded Cross-Section | Ensures correct compression and sealing force in the injector bore — verified by optical comparator against OEM master. |
| Fuel and Gas Resistant | Maintains sealing integrity when exposed to diesel fuel and combustion gases. |
| Precision-stamped tab geometry | Ensures positive engagement with hub nut slot and spindle flat — verified by [Insert gauge inspection] (±[Insert tolerance] mm). |
| [Insert material, e.g., Spring steel] construction | Resists bending and fatigue under vibration — verified by [Insert bend fatigue test] at [Insert cycles]. |
| [Insert hardness, e.g., HRC 40–48] | Maintains tab rigidity without cracking — verified by Rockwell hardness test. |
| [Insert surface treatment] | Resists corrosion for reliable removal at next service — verified by [Insert hours] salt spray test (ISO 9227). |
| QC Item | Verification Method |
|---|---|
| Inner diameter | Caliper / pin gauge — 100% batch sampling |
| Outer diameter | Caliper — within ±[Insert tolerance] mm |
| Thickness | Micrometer — within ±[Insert tolerance] mm |
| Tab height / width | Go/No-Go gauge — [Insert tolerance] |
| Hardness | Rockwell hardness test — [Insert HRC range] |
| Corrosion resistance | Salt spray test (ISO 9227) — [Insert hours] |
- Support the front axle and remove the wheel and hub components as required.
- Remove the old locking washer — discard it.
- Inspect the spindle threads and hub nut for damage; replace if worn.
- Install the new washer on the spindle, aligning the tab with the spindle flat/keyway.
- Install the hub adjusting nut and torque to [Insert spec] while rotating the hub to seat the bearings.
- Bend the washer tab into the nut slot — ensure positive engagement.
- Install the outer bearing, locknut, and other components as required.
- Check wheel end play and spin the hub to confirm smooth rotation.
Replace the locking washer at every hub service or bearing adjustment. Inspect for tab deformation or corrosion whenever the wheel is removed.
- Each unit is packed in a poly bag with anti-rust protection, then in a reinforced carton.
- Suitable for: wholesalers, wheel-end/axle specialists, and fleet maintenance centers.
- MOQ: [Insert MOQ, e.g., 50 pcs] (sample orders accepted).
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