ISUZU Rear Spring Pin 25×115mm High-Strength Steel Greasable Leaf Spring Pin for FSR 6BD1
| Outer Diameter: | 25mm | Length: | 115mm |
| Net Weight: | 0.90 Kg | Material: | High-Strength Steel |
| Lubrication: | Greasable | Compatible Engine: | ISUZU 6BD1 |
| Installation Position: | Rear Leaf Spring To Frame/axle Connection | Associated Numbers: | 1-51361-016-0、1513610161、1-51361016-J |
| High Light: | 25×115mm Rear Spring Pin,High-Strength Steel Leaf Spring Pin,Greasable Suspension System Leaf Spring Connecting Component |
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The ISUZU Rear Spring Pin with OEM numbers 1-51361016-0 / 1513610160 is a precision-engineered replacement designed for ISUZU FSR series medium-duty trucks, compatible with 6BD1 diesel engines. This component is a core part of the vehicle's suspension system — the Rear Leaf Spring Pin — responsible for connecting the leaf spring to the frame or axle, ensuring proper suspension operation and vehicle stability.
The spring pin is a critical connecting component of the leaf spring suspension system, installed between the leaf spring and the frame (or axle). Its working principle includes:
- Flexible Connection: Acts as a pivot point, allowing the leaf spring to swing freely with road surface changes during vehicle operation
- Load Transfer: Transfers vehicle load from the frame through the leaf spring to the axle, and transfers road reaction forces from the axle to the frame
- Friction Reduction: Works with the bushing to form a lubricated interface, reducing direct metal-to-metal friction and wear
- Positioning: Ensures the leaf spring maintains correct positioning and motion trajectory, preserving vehicle handling stability
| Symptom | Probable Cause |
|---|---|
| "Clunking" metallic noise from chassis on rough roads | Worn spring pin; excessive clearance with bushing |
| Loose suspension; noticeable body sway | Worn spring pin causing loose suspension connection |
| Visual inspection shows wear grooves, rust, or bending | Long-term use without lubrication or material fatigue |
| Leaf spring misalignment; vehicle pulling to one side | Worn spring pin causing suspension geometry changes |
| Uneven tire wear | Suspension misalignment causing wheel alignment issues |
| Brand | Model Series | Chassis | Model Years |
|---|---|---|---|
| ISUZU | FSR | FSR | 1997–2002 |
| ISUZU | FSR | FSR11, FSR12 | From Chassis #3531228 |
| ISUZU | FRR | FRR32 | 07/1998–10/2002 |
| ISUZU | NRR | NRR | — |
- Number Confirmation: Verify the specific number on the original part before ordering
- Lubrication Requirement: This product is Greasable - regularly apply high-temperature grease through the grease fitting
- Associated Components: Replace the spring bushing simultaneously for proper fitment
- Installation Torque: Refer to ISUZU factory workshop manual for specifications
- Pair Replacement: Replace in pairs (left and right) when servicing both sides
- Professional Installation: Critical suspension component requiring professional installation
| Feature | Benefit |
|---|---|
| 25×115mm Precision Dimensions | Ensures precise fitment with leaf spring and frame for reliable suspension connection |
| Greasable Design | Features grease fitting for regular lubrication, extending service life and reducing maintenance costs |
| High-Strength Steel Construction | Excellent wear resistance and fatigue strength for long-term reliable operation |
| IZUMI Brand Professional Supply | 18 years experience providing reliable automotive parts solutions |
| 100% Factory Quality Inspection | Every piece undergoes strict quality inspection for zero-defect delivery |
| At Least 1-Year Warranty | Reliable after-sales protection with quality guarantee |
| Broad OEM Cross-Compatibility | Simplifies sourcing for repair shops with multiple cross-reference numbers |
| Broad Vehicle Compatibility | Fits multiple ISUZU medium-duty models including FSR, FSR11, FSR12, FRR32, NRR |
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