ISUZU NPR NQR 700P Rear Hub Oil Seal with Dual-Lip Design NBR Material OEM Fit 8-94336317-0
| Height / Thickness: | 8 / 9.5 Mm | Seal Type: | Dual-Lip, Metal Case |
| Inner Diameter: | 49 Mm (47 Mm At Lip) | Temperature Range: | −40°C To +100°C |
| Outer Diameter: | 100 Mm | Material: | NBR (Nitrile Butadiene Rubber) + Steel Case |
| Net Weight: | 0.06 Kg | Position: | Rear Axle — Outer Hub |
| High Light: | Dual-Lip Design Rear Hub Oil Seal,NBR Material Wheel Hub Seal,OEM Fit Hub Outer Oil Seal |
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Rear Hub Outer Oil Seal 8-94336317-0 8943363170 for ISUZU NPR NQR 700P ELF 4HK1 4HF1 — Verified OEM Fit 49×100×8/9.5 mm NBR Wheel Hub Seal
The Rear Hub Outer Oil Seal with OEM numbers 8-94336317-0 and 8943363170 is a verified direct-fit replacement for ISUZU NPR / NQR / 700P / ELF / NKR / J116 / N600 light and medium-duty trucks equipped with 4HK1 / 4HF1 / 4BD1 / 4HE1 diesel engines. This oil seal is a critical rear wheel hub sealing component, responsible for retaining hub lubrication and preventing dirt, water, and debris from entering the rear wheel bearing assembly to ensure smooth bearing operation and extended component life.
The rear hub outer oil seal is installed in the rear wheel hub assembly, creating a dynamic seal between the rotating hub and the stationary axle housing. It retains gear oil and grease within the wheel bearing cavity while preventing external contaminants from entering.
The dual-lip design features a primary sealing lip that maintains contact with the hub surface under spring tension, and a secondary dust lip that blocks water, mud, and debris from reaching the primary seal. The NBR (Nitrile Butadiene Rubber) construction with metal case provides excellent resistance to gear oil, high temperatures, and compression set, ensuring reliable sealing under all operating conditions.
Replace the rear hub oil seal when any of these symptoms appear:
- Gear oil leakage at the rear wheel hub — visible oil traces on the wheel or brake drum area.
- Wheel bearing noise or vibration — oil loss and contaminant entry cause accelerated bearing wear, producing growling or rumbling noises from the rear axle.
- Brake contamination — oil leaking past a failed seal can contaminate brake shoes or pads, reducing braking effectiveness.
- Water or mud intrusion — damaged dust lip allows contaminants into the bearing cavity, causing rust and pitting on bearing surfaces.
- Excessive wheel bearing play — prolonged seal failure leads to bearing degradation and detectable wheel play.
| Verification Item | Data / Standard | Source / Method |
|---|---|---|
| Part Number (Short) | 8-94336317-0 | ISUZU OEM Parts Database |
| Part Number (Long) | 8943363170 | ISUZU OEM Parts Database |
| Part Name | SEAL; OIL, RR HUB, OUTER | ISUZU EPC |
| Vehicle Models | ISUZU NPR / NQR / 700P / ELF / NKR / J116 / N600 | ISUZU application catalog |
| Engine Compatibility | 4HK1 / 4HF1 / 4BD1 / 4HE1 | ISUZU application catalog |
| Inner Diameter | 49 mm (47 mm at lip) | Musashi I3608 specification |
| Outer Diameter | 100 mm | Musashi I3608 specification |
| Height / Thickness | 8 / 9.5 mm | Product specification |
| Material | NBR (Nitrile Butadiene Rubber) + Steel Case | Product specification |
| Temperature Range | −40°C to +100°C | Product specification |
| Seal Type | Dual-Lip, Metal Case | Product specification |
| Net Weight (per unit) | 0.06 kg | Product specification |
| H/S Code | 870850000 | Customs classification |
| Position | Rear Axle — Outer Hub | Product specification |
| Installation Success Rate | ≥ 99% | Based on repair order tracking |
| Certification | ISO/TS 16949 | Third-party system audit |
| Type | Number |
|---|---|
| Primary OEM — Short | 8-94336317-0 |
| Primary OEM — Long | 8943363170 |
| Alternate Format | 8-94336-317-0 |
| Consecutive / Replacement | 8-94336317-1 / 8943363171 |
| Consecutive / Replacement | 8-94336317-2 / 8943363172 |
| Replacing Part No | 8-98202912-0 / 8982029120 |
| Related Seal | 9-09724-019-0 / 9097240190 |
| Related Seal | 8-94367960-1 / 8943679601 |
| Competitive Cross-Reference | Febi 104427, Musashi I3608, Diesel D127963, NAK 105258N, CA100155980 |
| Part Number: | 8-94336317-0 8943363170 | Product Name: | Rear Hub Oil Seal |
| Car Model: | NPR NQR | Engine Model: | 700P |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Package: | Neutral Packing Or Make It As Requested | ||
| 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 | Chassis | Engine | Years |
|---|---|---|---|---|
| ISUZU | ELF | NKR66 / NKR71 | 4HF1 / 4HG1 | 1994–2002 |
| ISUZU | ELF | NPR66 | 4HF1 | 1994–2002 |
| ISUZU | NPR | NPR | 4HK1 / 4BD1 | 1986–Present |
| ISUZU | NQR | NQR | 4HK1 / 4HF1 | 1996–Present |
| ISUZU | NKR | NKR | 4BD1 / 4HF1 | 1986–2007 |
| ISUZU | 700P | — | 4HK1 | 2007–Present |
| ISUZU | NPR J116 / N600 | — | 4BD1 | — |
| ISUZU | NPR75 / NQR75 / NQR90 | — | 4HK1 | 2007–Present |
| Brand | Model | Application |
|---|---|---|
| JMC | 1040 / Kaiyun | Light Truck |
| Bogdan | A-92 (V=4.6L) | Light Truck |
- This oil seal is designed for the 49×100×8/9.5 mm application. Confirm the dimensions of your original oil seal before ordering.
- The ISUZU N-Series rear hub uses one outer oil seal per side. Verify the required quantity before ordering.
- Oil seals should be replaced in pairs (both sides of the rear axle) to maintain balanced bearing protection.
- For right-hand drive (RHD) vehicles, verify clearance and orientation. Refer to the ISUZU workshop manual for the correct procedure.
Primary sealing lip retains gear oil while secondary dust lip blocks water and debris — verified by product specification and functional testing.
Excellent resistance to gear oil, grease, and high temperatures (−40°C to +100°C) — verified by ASTM D471 immersion testing and material certificate.
Precision-matched to the ISUZU NPR/NQR/700P rear hub bore — direct press-fit installation without modification — verified by CMM dimensional inspection.
Maintains consistent contact pressure on the hub surface for reliable sealing at all operating speeds — verified by functional testing.
Full traceability with material certificates and batch inspection reports — third-party certified.
Based on repair order tracking — confirms reliable fitment across the NPR/NQR/700P platform.
| QC Item | Verification Method / Standard |
|---|---|
| Inner Diameter (49 mm) | CMM, 100% inspection |
| Outer Diameter (100 mm) | CMM, 100% inspection |
| Height (8 / 9.5 mm) | CMM, 100% inspection |
| Lip Geometry Angle | Optical comparator, 100% inspection |
| Material Hardness (Shore A) | Durometer, batch sampling |
| Fluid Immersion Resistance | ASTM D471 — 70h @ 100°C in gear oil |
| Compression Set | ASTM D395 — 70h @ 100°C |
| Tensile Strength | ASTM D412, batch sampling |
| Metal Case Bonding | Peel test, batch sampling |
| Surface Finish | Visual inspection — no flash, no contamination |
| Batch Traceability | Material lot number + production date |
| Packaging Protection | Sealed bag + moisture barrier + carton |
- Preparation: Raise the vehicle on a hoist. Remove the wheel and brake drum. Support the rear axle housing.
- Disassembly: Remove the axle shaft retaining nuts. Carefully withdraw the axle shaft assembly. Remove the old outer oil seal using a seal puller or pry bar.
- Inspection: Inspect the hub sealing surface for wear, scoring, or pitting. Inspect the wheel bearing for wear or damage. Replace any damaged components.
- Cleaning: Clean the hub bore and axle shaft thoroughly. Remove all old seal material and grease.
- Installation: Coat the new oil seal lip with MP grease. Use a seal driver or socket that matches the seal outer diameter to press the seal into the hub bore until it is fully seated.
- Axle Shaft Installation: Carefully reinstall the axle shaft assembly. Tighten the axle shaft retaining nuts to 59 N·m (51 lb·ft) or as specified in the ISUZU workshop manual.
- Final Check: Verify the hub rotates smoothly without binding. Check for gear oil leakage at the seal.
- Road Test: Lower the vehicle and perform a road test to verify wheel bearing operation and noise levels.
| Fastener | Torque |
|---|---|
| Rear Hub Spindle Nut | 245 N·m (181 ft·lb) |
| Axle Shaft Retaining Nuts | 59 N·m (51 lb·ft) |
- Every 10,000 km: Inspect oil seal for gear oil leakage. Check wheel bearing for abnormal noise or play.
- Every 40,000–50,000 km: Inspect wheel bearing condition. Replace oil seal if any leakage or damage is found.
- Whenever the wheel hub is removed: Always replace the oil seal with a new unit.
- When brake contamination is detected: Inspect oil seal immediately. Replace if any oil leakage is found.
- Standard Packaging: Sealed bag + moisture barrier + carton.
- Custom Packaging: Neutral box, color box, or customer-branded packaging.
- Suitable For: Wheel hub repair shops, ISUZU parts distributors, fleet maintenance centers.
- Supply Capacity: Stable batch supply with batch-level quality reports available.
- Minimum Order Quantity: 5 PCS
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