PREMA PRE-PC-4 Combi-Unit Tire Repair Patch, Universal, Lead Wire, 3/8" Injury, 2-1/2" Round (Box of 10)

PREMA PRE-PC-4 Combi-Unit Tire Repair Patch, Universal, Lead Wire, 3/8" Injury, 2-1/2" Round (Box of 10)

Q: What size tire injuries can the PREMA PC-4 repair? A: The PC-4 is designed for crown injuries up to 3/8 inch (9.5 mm) in diameter only. It cannot be used for injuries exceeding this size, sidewall repairs, or any damage outside the crown area. The patch provides reliable sealing for punctures within this size range when used with proper PREMA repair procedures and materials.

Q: What size tire injuries can the PREMA PC-4 repair? The PC-4 is designed for crown injuries up to 3/8 inch (9.5 mm) in diameter only. It cannot be used for injuries exceeding this size, sidewall repairs, or any damage outside the crown area. The patch provides reliable sealing for punctures within this size range when used with proper PREMA repair procedures and materials.

Q: Can this tire repair patch be used on any angle of injury? A: No, the PREMA PC-4 combi-unit should only be used when the injury angle is less than 25 degrees from perpendicular to the tire surface. For injuries with angles greater than 25 degrees, you must use a two-piece repair system from PREMA's PCS-series instead to ensure proper sealing and safety compliance.

Q: Can this tire repair patch be used on any angle of injury? No, the PREMA PC-4 combi-unit should only be used when the injury angle is less than 25 degrees from perpendicular to the tire surface. For injuries with angles greater than 25 degrees, you must use a two-piece repair system from PREMA's PCS-series instead to ensure proper sealing and safety compliance.

Q: How does this compare to separate patch and plug repairs? A: The PC-4 combines both patch and plug functions in one integrated unit, providing faster installation and more consistent results compared to using separate components. The lead wire stem guides proper insertion while the 2.5 inch round patch seals the inner liner, eliminating multiple steps and reducing potential for installation errors in professional tire service applications.

Q: How does this compare to separate patch and plug repairs? The PC-4 combines both patch and plug functions in one integrated unit, providing faster installation and more consistent results compared to using separate components. The lead wire stem guides proper insertion while the 2.5 inch round patch seals the inner liner, eliminating multiple steps and reducing potential for installation errors in professional tire service applications.

Q: What additional products are needed for a complete repair? A: Use with PREMA PCC-4 carbide cutter for injury preparation, PFC-8 cement for bonding, PPC-16 pre-buff cleaner for surface preparation, and PLOS-16 innerliner sealant for complete sealing. This complete PREMA system ensures optimal results, warranty compliance, and meets industry standards for professional tire repair in commercial service environments.

Q: What additional products are needed for a complete repair? Use with PREMA PCC-4 carbide cutter for injury preparation, PFC-8 cement for bonding, PPC-16 pre-buff cleaner for surface preparation, and PLOS-16 innerliner sealant for complete sealing. This complete PREMA system ensures optimal results, warranty compliance, and meets industry standards for professional tire repair in commercial service environments.

$57.37

Product variants

Black tire repair patch with lead wire stem in professional packaging showing PC-4 model

Professional Grade Tire Repair Patch - PREMA PC-4 Combi-Unit (3/8" Injury, 10 Pack)

Universal Tire Repair Patch Plug Combination

The PREMA PC-4 tire repair patch is a professional combi-unit for permanent tire repairs up to 3/8 inch (9.5 mm) in diameter. This solution combines a 2.5 inch (64 mm) round patch with integrated lead wire stem for radial and bias-ply tires.

Key Features and Benefits

One-Step Professional Repair - Combines patch and plug with integrated lead wire stem for simultaneous sealing and inner liner repair.

Universal Compatibility - Works on radial and bias-ply tires for crown injuries up to 3/8 inch (9.5 mm) diameter.

Applications

Commercial tire service centers.
Fleet maintenance operations.
Professional mechanics and shops.
Crown-area punctures with injury angles less than 25 degrees.
Permanent repairs following PREMA system procedures.

Technical Specifications

PREMA PC-4 Tire Repair Patch Specifications
Specification	Details
Brand	PREMA
Model	PC-4
Maximum Injury Size	3/8 inch (9.5 mm)
Patch Diameter	2.5 inch (64 mm) Round
Stem Type	Lead Wire with Guide
Quantity per Box	10 Units
Compatibility	Radial and bias-ply tires; crown injuries only
Application	Crown Injuries Only
Angle Limitation	Less than 25 degrees

Installation Requirements

Prepare injury using appropriate PCC-4 carbide cutter.
Clean area with PREMA pre-buff cleaner (PPC-16).
Apply PREMA cement (PFC-8) according to manufacturer instructions.
Insert PC-4 combi-unit using integrated guide wire for proper placement.
Seal with PREMA innerliner sealant (PLOS-16) for complete repair.

Get Professional Tire Repair Results

Stock your shop with PREMA PC-4 tire repair patches for reliable, permanent repairs. Each box contains 10 combi-units for consistent professional service.

Order your PREMA PC-4 tire repair patches today.

Frequently Asked Questions

What size tire injuries can the PREMA PC-4 repair?

The PC-4 is designed for crown injuries up to 3/8 inch (9.5 mm) in diameter only. It cannot be used for injuries exceeding this size, sidewall repairs, or any damage outside the crown area. The patch provides reliable sealing for punctures within this size range when used with proper PREMA repair procedures and materials.

Can this tire repair patch be used on any angle of injury?

No, the PREMA PC-4 combi-unit should only be used when the injury angle is less than 25 degrees from perpendicular to the tire surface. For injuries with angles greater than 25 degrees, you must use a two-piece repair system from PREMA's PCS-series instead to ensure proper sealing and safety compliance.

How does this compare to separate patch and plug repairs?

The PC-4 combines both patch and plug functions in one integrated unit, providing faster installation and more consistent results compared to using separate components. The lead wire stem guides proper insertion while the 2.5 inch round patch seals the inner liner, eliminating multiple steps and reducing potential for installation errors in professional tire service applications.

What additional products are needed for a complete repair?

Use with PREMA PCC-4 carbide cutter for injury preparation, PFC-8 cement for bonding, PPC-16 pre-buff cleaner for surface preparation, and PLOS-16 innerliner sealant for complete sealing. This complete PREMA system ensures optimal results, warranty compliance, and meets industry standards for professional tire repair in commercial service environments.

About the Brand

Prema

View All Prema Products

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