KEX KEX-375 Combi-Unit Tire Repair Patch, Reinforced, Quilled, 1/4" Stem, 1-3/4" x 3" (25/Box)
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Professional Tire Repair Patch - KEX Reinforced Combi-Unit (KEX-375, 25-Pack)
Heavy Duty Tire Repair Patch Kit for Permanent Repairs
The KEX-375 tire repair patch kit creates permanent, professional-grade repairs that combine patch and plug technology in one application. This reinforced tire repair patch plugs punctures while simultaneously sealing the inner liner, delivering 25 reliable repairs per box for tire shops, fleet operators, and DIY mechanics.
Why Choose KEX Reinforced Tire Repair Patches
Prevents Air Loss and Moisture Intrusion - The quilled stem fills the puncture completely while the patch vulcanizes to your tire's inner liner, creating a dual-seal system that blocks air leakage and prevents water from entering the tire structure.
Withstands Extreme Conditions - Reinforced rubber compound and fully cushioned stem design resist separation under temperature fluctuations and heavy load conditions, maintaining seal integrity throughout the tire's service life.
Complete Repair Solution - Contains 25 individual patches measuring 1-3/4" x 3" with 1/4" stems, providing comprehensive coverage for most common puncture sizes in radial passenger and light truck tires.
Perfect Applications for Professional Tire Repairs
Ideal for permanent tire repair solutions in these situations:
- Nail and screw punctures in radial passenger car tires.
- Small punctures in light truck and SUV tires up to 1/4" diameter.
- Emergency roadside repairs for commercial vehicle fleets.
- Professional tire shop operations requiring consistent quality.
- Automotive service centers and fleet maintenance facilities.
- DIY tire repairs when professional services are closed or unavailable.
Technical Specifications
| Specification | Details |
|---|---|
| Patch Dimensions | 1-3/4" x 3" (44mm x 76mm) |
| Stem Size | 1/4" (6mm) diameter |
| Quantity | 25 patches per box |
| Tire Type | Radial passenger, light truck, commercial |
| Recommended Cement | KX-511F chemical vulcanizing cement |
| Part Number | KEX-375 |
Installation Requirements
Follow these steps for optimal tire repair patch results:
- Clean the puncture area thoroughly and remove all debris from the hole.
- Use a carbide cutter (CC-6 or CC-10) to prepare and clean the puncture hole.
- Apply KX-511F chemical cement as directed and allow proper tack time.
- Insert the patch-plug unit firmly and allow complete vulcanization time.
- Trim excess stem material flush with the tire surface for a clean finish.
Professional Tire Repair Results for Your Shop or Garage
Commonly used in professional repair workflows, these reinforced patches are designed to deliver consistent, permanent repairs when installed per manufacturer instructions.
Order your KEX-375 tire repair patches now for reliable, professional-grade tire repairs.
Frequently Asked Questions
How does this compare to tire repair patch vs plug methods?
This combo unit provides both inner liner reinforcement and puncture filling in one application. The patch seals from inside while the plug fills the hole, creating a more durable repair than either method alone. The reinforced design prevents moisture intrusion and maintains seal integrity under pressure changes and temperature fluctuations that can cause single-method repairs to fail over time.
What size punctures can this tire repair patch handle?
The KEX-375 handles punctures up to 1/4" in diameter with its matching stem size. The 1-3/4" x 3" patch dimensions provide adequate bonding surface for most nail and screw punctures in radial passenger car tires and light trucks. Larger punctures require different patch sizes or may not be repairable depending on tire construction and location.
Can I use this tire repair patch kit without special tools?
Basic installation is possible with standard tools, but optimal results require carbide cutters like CC-6 or CC-10 and KX-511F vulcanizing cement. These tools ensure proper puncture preparation and maximum patch adhesion. Without proper tools, the repair may not achieve full vulcanization and could compromise long-term durability and safety performance.
How long does the vulcanization process take?
Proper vulcanization typically takes 10-15 minutes at room temperature after installation, though complete bonding continues for several hours. Temperature affects curing time - colder conditions slow the process while warmer temperatures accelerate it. Allow full cure time before reinflating and returning the tire to service for optimal repair strength and longevity.
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