Waterproof spark plug resistor cap 5 ohm for 7-8 mm leads

Black spark plug resistor cap - 5 ohm, waterproof, for 7-8 mm leads

The black spark plug resistor cap is available at the best price from SHR Motors Pitesti. A quality aftermarket part, ideal for replacing a worn ignition resistor cap.

Designed as a replacement for NGK-style resistor caps, it helps maintain stable spark performance and reliable engine operation, especially in wet conditions.

Product codes

• OEM code: 10-M1222
• Manufacturer code: 10-M1222

Detailed technical description

This resistor cap (also known as a plug cap / resistor plug boot / anti-interference cap) features a ceramic 5-ohm resistor designed to reduce electrical interference and support cleaner ignition.

The waterproof body protects the plug connection from water and dirt, while the adjustable thread size helps ensure proper fitment. It accepts 7 mm to 8 mm high-tension cable diameter, addressing issues caused by an old cap such as unstable contact, voltage loss, or hard starting.

Main features

• Ceramic resistor for consistent performance
• Resistance: 5 ohm
• Waterproof construction for added protection
• Adjustable thread size
• Accepted lead diameter: 7 mm - 8 mm
• Replacement for NGK-style caps

Compatibility

Model/year compatibility is not provided. Use according to dimensions (7-8 mm lead) and the required connection type.

Customer benefits

Main benefits:

• More stable spark and improved ignition reliability
• Good moisture protection thanks to waterproof design
• Quick replacement for a worn resistor cap
• Cost-effective ignition system maintenance

Commercial information

The product is brand new and covered by the manufacturer warranty.

The price includes all taxes, excluding shipping costs.

Best prices at SHR Motors Pitesti.