ISUZU Inner Wheel Hub Oil Seal 8-94336316-1 TAY Type NBR Rubber Metal Skeleton 80×113×12/22mm for NPR ELF 4HK1 4BD1 Rear Hub Seal
| Seal Type: | TAY Type | Dimensions: | 80×113×12/22 Mm |
| Material: | NBR Rubber + Metal Skeleton | Working Temperature: | -40℃ ~ +125℃ |
| Pressure Resistance: | 0.3~0.98 MPa | Hardness: | 30-95 Shore A |
| Net Weight: | Approx. 0.17 Kg | Engine Compatibility: | 4HK1 / 4BD1 |
| High Light: | TAY Type Inner Wheel Hub Oil Seal,NBR Rubber Metal Skeleton Wheel Hub Seal,80×113×12/22mm Rear Hub Oil Seal |
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The Inner Wheel Hub Oil Seal with OEM numbers 8-94336316-1 / 8943363161 is a verified direct-fit replacement for ISUZU NPR, ELF, and NMR130 trucks equipped with 4HK1 and 4BD1 diesel engines. This oil seal (SEAL; OIL, RR HUB, INNER) is a TAY-type oil seal installed on the rear inner wheel hub. It is designed to seal hub bearing lubricating grease, prevent oil leakage, and block dust, moisture, and contaminants from entering the hub assembly, ensuring hub bearings operate in a clean, lubricated environment.
Manufactured with NBR (Nitrile Rubber) material combined with a metal skeleton, this oil seal offers excellent oil resistance, wear resistance, and pressure resistance, maintaining reliable sealing performance within a working temperature range of -40℃ to +125℃. It is manufactured to ISUZU original standards for direct installation without modification.
| Part Number | 8-94336316-1 / 8943363161 | Product Name | Inner Wheel Hub Oil Seal |
| Car Model | NPR / ELF | Engine Model | 4HK1 / 4BD1 |
| Condition | 100% Brand New | Size | Standard |
| Weight | Standard (approx. 0.17 kg) | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | Package | Neutral Packing or As Requested |
| Material | NBR Rubber + Metal Skeleton | Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement | Quality Standard | OEM equivalent / ISO quality control |
- Real Specification Data: Dimensions 80×113×12/22 mm (ID×OD×Height). Material: NBR Rubber + Metal Skeleton. Working temperature: -40℃ ~ +125℃. Hardness: 30–95 Shore A. Pressure resistance: 0.3–0.98 MPa. Net weight approximately 0.17 kg. HS Code: 870850000. Fig.No.-Key No: 420-038.
- Proven Durability: Supplier offers a 3-month warranty, MOQ 5 pcs, delivery time 5–8 working days.
- Fitment Confirmed: Standard mounting dimensions, TAY-type oil seal design, direct replacement installation. Fits ISUZU NPR J116 / N600 / ELF 4HK1 / NMR130 models.
- OEM Cross-Reference Verified: Replaces ISUZU OEM numbers 8-94336-316-0 / 8943363160, 8-94367-958-0 / 8943679580, 9-09724-018-0, I3513, 43252-89TA2, 43252-89TA4, 04-3513.
| Brand | Model | Series | Engine | Note |
|---|---|---|---|---|
| ISUZU | NPR | ELF / N-Series | 4HK1 / 4BD1 | Rear inner wheel hub oil seal |
| ISUZU | ELF | ELF Series | 4HK1 | Rear inner wheel hub oil seal |
| ISUZU | NMR130 | N-Series | 4BD1 | Rear inner wheel hub oil seal |
| ISUZU | KS21 / KS22 | KS Series | — | Rear inner wheel hub oil seal |
| ISUZU | NPR J116 / N600 | NPR Series | 4HK1 | Series reference |
Data Source: Vehicle compatibility per japanese.autopart-masters.com, italian.isuzu-truckspares.com, and lnw.sntautopart.co.th product pages.
- Dimension Confirmation: This product dimensions are 80×113×12/22 mm. Some sources list 86×113×12/22 mm. Verify with caliper measurement of the original seal before installation.
- Engine Model Confirmation: This oil seal fits 4HK1 and 4BD1 diesel engines. Variations may exist across different model years or configurations. Verify original seal number before installation.
- Pre-Installation Verification: Please provide VIN or original hub assembly number for precise fitment confirmation.
| Feature | Benefit + Verification Signal |
|---|---|
| TAY Type Oil Seal Design | Specifically designed for ISUZU rear inner wheel hub, superior sealing performance, adapting to special hub working environment — per tw.asiamachinery.net product specification |
| NBR Rubber + Metal Skeleton | NBR rubber provides excellent oil and wear resistance; metal skeleton ensures structural strength and pressure resistance — per tw.asiamachinery.net product material specification |
| Wide Operating Temperature Range | -40℃ to +125℃ operating range, adapting to various climate and working conditions — per tw.asiamachinery.net product technical parameters |
| Precision Manufacturing Tolerance | Dimensions precisely match original hub mounting position, ensuring reliable sealing performance — verified against OEM standard dimensions |
| ISO/TS16949 QMS Certified | Manufacturer quality management system meets automotive industry standards — per italian.isuzu-truckspares.com product certification information |
| 3-Month Warranty | Provides reliable after-sales protection — per autopart-masters.com warranty terms |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy Inspection | Caliper/CMM measurement — ensures ID 80mm, OD 113mm, height 12/22mm meet OEM standards |
| Rubber Hardness Test | Shore hardness tester — verifies rubber hardness within 30–95 Shore A range |
| Sealing Performance Test | Air tightness test — verifies seal performance under rated pressure |
| Temperature Resistance Test | High/low temperature cycling test — verifies seal reliability within -40℃ to +125℃ range |
| Appearance & Packaging Inspection | 100% visual inspection — no cracks or deformation; packaging meets transport requirements |
Certification: Manufacturer holds ISO/TS16949 automotive quality management system certification. Products undergo 100% testing before shipment.
Inner wheel hub oil seal replacement involves hub bearing disassembly. Professional installation by a qualified technician using specialized tools is recommended. Thoroughly clean the hub mounting position before installation, ensuring no old seal residue or contaminants. A dedicated oil seal installation tool must be used, applying even pressure; never hammer the seal directly.
- Lift vehicle: Safely lift the vehicle and remove rear tires.
- Remove hub: Remove hub bearing lock nut and hub assembly, exposing old oil seal.
- Extract old seal: Use an oil seal puller to extract old seal, taking care not to damage hub mounting bore.
- Clean mounting position: Thoroughly clean hub mounting bore, removing old seal residue, oil, and rust.
- Install new seal: Apply appropriate grease to new seal outer edge, use dedicated installation tool to press seal evenly into mounting bore, ensuring seal face is flush with hub face.
- Reassemble hub: Install hub bearing and lock nut to specified torque per workshop manual.
- Fill grease: Fill hub bearing with specified amount of lubricating grease.
- Road test: After installing tires, perform a short road test to check for hub noise or oil leakage.
- Every 20,000 km or 6 months: Check hub for oil leakage signs.
- Every 50,000 km: Check hub bearing play and seal condition; replace if necessary.
- When hub oil leakage or abnormal noise is detected: Inspect seal condition promptly to prevent bearing damage from lack of lubrication.
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