KEX KEX-381 Universal Combi-Unit Tire Repair Patch, 1/4" Stem, 1-7/8" Round (25/Box)
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Professional Tire Repair Patch Kit - KEX Universal Combi-Unit (KEX-381, 25-Pack)
Tire Repair Patch - Patch and plug combination for permanent tire repairs
The KEX-381 tire repair patch delivers professional-grade results with 25 all-rubber combination patches that permanently seal punctures up to 6mm in diameter. Each patch combines both a 1-7/8" round patch and 1/4" quilled stem plug in one unit, creating lasting repairs for radial and bias-ply passenger tires, light trucks, and ATVs.
These tire repair patch plug combinations work for auto repair shops, fleet maintenance, and emergency roadside repairs where you need reliable results that prevent air leaks and extend tire life.
Key Benefits
Permanent Dual-Action Repair - Combines patch and plug technology in one unit, with the patch sealing the inner liner while the quilled stem fills the puncture hole for complete protection against moisture and air loss.
Universal Vehicle Compatibility - Works on both radial and bias-ply passenger car tires, light truck tires, and low-pressure ATV applications, eliminating the need for multiple patch types in your repair kit.
Professional Installation Made Simple - All-rubber construction provides maximum flexibility during installation, while the cushion-wrapped stem design ensures secure placement without requiring special tools or complex procedures.
Perfect Applications for Professional Tire Patching
- Auto repair shops and tire service centers.
- Fleet maintenance operations requiring consistent quality.
- Emergency roadside assistance services.
- ATV and recreational vehicle tire repairs.
- Commercial vehicle maintenance for punctures up to 6mm.
Specifications
| Feature | Specification |
|---|---|
| Dimensions | 1-7/8 in (47.6 mm) patch, 1/4 in (6 mm) stem |
| Size/Quantity | 25 patches per box |
| Weight | N/A |
| Construction | Non-reinforced all-rubber |
| Tire Compatibility | Radial and bias-ply passenger, light truck, ATV |
| Maximum Puncture Size | 6mm diameter |
| Recommended Cement | KX-511F flammable chemical cement |
Installation Requirements
- Clean and prepare the puncture area using appropriate carbide cutter tools.
- Apply KX-511F flammable chemical cement for optimal patch adhesion and vulcanization.
- Insert the quilled stem through the puncture from inside the tire cavity.
- Press patch firmly against the inner liner surface, ensuring complete contact.
- Allow proper curing time before reinflating tire to recommended pressure.
Important: Always use with KEX KX-511F cement and follow proper tire repair safety procedures for professional-grade results.
Get Professional Tire Repair Results Every Time
Stock up on KEX-381 universal tire repair patches for reliable repairs that meet professional standards. With 25 combination patches per box, you'll have supplies for multiple tire repairs.
Order your KEX-381 tire repair patch kit today for permanent, professional-grade repairs.
Frequently Asked Questions
How does this compare to basic tire plugs?
The KEX-381 combines both patch and plug in one unit, unlike simple plugs that only fill the hole. The patch seals the inner liner while the stem fills the puncture, creating permanent repairs that prevent moisture infiltration and maintain tire structural integrity.
What size punctures can these tire repair patches fix?
These patches repair punctures up to 6mm (1/4 inch) in diameter located in the tread area only. The 1-7/8" round patch provides ample coverage for most common road hazard damage including nails, screws, and small debris. Sidewall injuries cannot be safely repaired with these patches.
Can I use these for tubeless tire repair?
Yes, these universal tire patches work on both tubed and tubeless tires. Properly prepare the injury channel and inner liner before applying KX-511F cement. The all-rubber construction vulcanizes to the tire's inner surface, creating an effective seal for tubeless applications while also working with inner tubes.
Do I need special cement for professional installation?
KEX requires KX-511F flammable chemical cement for proper vulcanization and permanent repairs. This cement creates the strongest possible bond between the patch and tire liner, requires proper cure time for full effectiveness, and ensures professional results. Other cements may not achieve a lasting, permanent bond.
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