Ensure a secure and hassle-free installation of your trailer coupler with the 0.88 Bolt Kit 1. This premium kit includes all the hardware needed for proper mounting of the coupler, designed to meet rugged performance standards. Ideal for trailer owners, repair shops, or fleet maintenance teams seeking OEM-quality parts.
Features
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Complete Kit: Includes 4 Grade 8 bolts, 4 nuts, and 4 washers—everything needed for installation
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Heavy-Duty Bolts: 0.88″ diameter, Grade 8 steel, engineered for 650 lb‑ft torque capacity
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Perfect Fit: Specifically sized for coupler part number
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Durable Construction: Grade 8 steel bolts resist shearing and maintain high clamp force over time
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Maintenance Ready: Replaces worn or damaged hardware to keep coupler joints safe and secure
Specifications
| Component | Specification |
|---|---|
| Bolt Size | 0.88″ diameter; Grade 8, 650 lb‑ft torque |
| Bolt Quantity | 4 |
| Nut Type | Standard 1T14 (Qty 4) |
| Washer Type | 4B14 flat washers (Qty 4) |
| Compatibility | Fits coupler H PIN 90K WF |
| Material | High-strength Grade 8 steel |
| Torque Rating | 650 lb‑ft |
| SKU | 0.88 Bolt Kit 1 |
Why This Kit Matters
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Safety First: Using correctly sized, high-strength bolts ensures your trailer coupler is securely mounted for safe towing
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OEM Quality: Direct replacement for factory-installed hardware, maintaining coupler integrity
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Time-Saving: One kit includes all components—no need to source nuts or washers separately
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Built to Last: Grade 8 steel holds torque under vibration and load, resisting loosening
Ideal For
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Felling Trailers owners upgrading or rebuild coupler hardware
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Maintenance shops servicing trailers with H PIN 90K WF couplers
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Fleet operators needing reliable replacement parts for safe performance
Kit fits coupler part number
