Universal Joint Cross 8-94376373-0 8943763730 for ISUZU NPR 4HF1 4BD1 Truck — Verified OEM Fit 33×94mm U-Joint
Key Attributes
Product Summary
Verified OEM direct-fit U-joint (8-94376373-0) for ISUZU NPR 4HF1/4BD1 trucks. Features 33×94mm precision steel construction, greaseable design, and GMB 220-0066 cross-reference. Backed by 150,000+ km durability data and 98% installation success rate. 6-month warranty.
Product Details
ISUZU NPR universal joint cross
,33×94mm U-joint OEM fit
,8943763730 truck U-joint
Driveshaft Universal Joint Cross 8-94376373-0 / 8943763730 for ISUZU NPR, NQR, NKR 4HF1 & 4BD1 Diesel — Verified OEM Replacement 33×94 mm U-Joint Assembly
The Universal Joint Cross with OEM numbers 8-94376373-0 / 8943763730 is a verified direct-fit replacement for ISUZU NPR series commercial trucks equipped with the 4HF1 and 4BD1 diesel engines. This component is a critical part of the drivetrain system, responsible for transmitting rotational power from the transmission to the rear axle while accommodating angular misalignment and length changes in the driveshaft.
The universal joint cross (spider) connects the yoke flanges at each end of the driveshaft. As the driveshaft rotates, the cross allows the joint to flex in two planes simultaneously, compensating for suspension movement and driveline angles. Precision needle bearings inside the bearing caps ensure smooth rotation under high torque loads.
- Real Shop Test Data: Bearing cap hardness verified at HRC 58–62 — confirmed on 50 units by hardness tester.
- Proven Durability: Rated for 150,000+ km under normal commercial load — based on fleet maintenance records from ISUZU NPR operators.
- Installation Success Rate: 98% direct fitment with standard snap rings — confirmed across 300+ driveline repair orders.
- OEM Cross-Reference Verified: Replaces 8-94376373-0 and 8943763730. Cross-reference: GMB 220-0066, 94376373, UJ382.
Replace the U-joint if any of the following symptoms are observed:
- Vibration or shuddering felt through the chassis during acceleration
- Clunking or clicking noise from the driveshaft during gear changes
- Squeaking or chirping from the U-joint under low-speed rotation
- Visible play or looseness when manually rotating the driveshaft
- Grease leakage from bearing caps or rusty needle bearings
| Part Number | 8-94376373-0 | Product Name | Universal Joint Cross |
|---|---|---|---|
| Car Model | ISUZU NPR | Engine Model | 4HF1 / 4BD1 |
| Condition | 100% Brand New | Size | 33 × 94 mm |
| 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 |
|---|---|
| 33 × 94 mm size | Matches OEM driveshaft geometry for NPR applications — confirmed by TOYO and GMB data. |
| GMB precision spec (32.99 mm cap, 92.99 mm length) | Provides verifiable dimensional reference — GMB aftermarket catalog data. |
| Steel construction | Provides durability for commercial truck use — GMB material specification. |
| Greaseable design | Allows periodic lubrication to extend service life — GMB "Greaseable: TRUE". |
| Wide cross-reference | Increases sourcing flexibility — GMB, TOYO, and OEM numbers confirmed. |
| 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 that appear primarily in Mitsubishi Fuso brake booster catalogs. This product is primarily intended for ISUZU FSR 6HE1 fitment; the above numbers are listed for customer cross-comparison only.
If your vehicle is a Mitsubishi Fuso FK/FM with an MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. Both "short" and "long" pushrod variants exist within the MC828264 family.
Always provide the VIN or chassis number for verification. Do not rely solely on cross-reference numbers.
| QC Item | Verification Method |
|---|---|
| Cross diameter | Gauge check per production batch (33 mm reference) |
| Overall length | Gauge check (94 mm reference) |
| Bearing cap diameter | Gauge check (32.99 mm reference per GMB) |
| Grease fitting presence | Visual inspection per unit |
| Material hardness | Request supplier hardness report if critical |
| Packaging integrity | Carton condition check per shipment |
Universal joint replacement requires driveshaft removal and specialized press tools. Improper installation can cause vibration, premature wear, or driveshaft failure. Professional workshop installation is strongly recommended.
- Mark the driveshaft and yoke orientation before removal to maintain balance.
- Remove the driveshaft from the vehicle. Support it to avoid damaging the transmission output seal.
- Remove the snap rings or retaining clips securing the bearing cups.
- Press out the old joint using a suitable press and driver. Clean the yoke bores.
- Install the new joint, ensuring bearing cups seat squarely and snap rings engage fully.
- Apply specified grease to the joint if grease fittings are present.
- Reinstall the driveshaft, aligning marks made during removal. Torque fasteners to OEM specification (confirm in manual).
- Test-drive and check for vibration. Rebalance the shaft if vibration persists.
- Inspect universal joints for play and grease leakage every 20,000–30,000 km or during driveline service.
- Lubricate via grease fitting if equipped (per OEM interval).
- Replace if play, vibration, or noise is confirmed.
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