AutoLite 4194 Spark Plug for NGK 6535 CR5HSB Champion 808 Z9Y

Why Choose Autolite Spark Plugs?

When it comes to engine performance, the spark plug is a small component that makes a big difference. Non-OEM or generic spark plugs may save you a few dollars upfront, but they often lead to hard starting, misfiring, and reduced engine efficiency.

At Red Rock Turf, we prioritize reliability and performance. That’s why we stock genuine Autolite spark plugs for our equipment repairs and recommend them for your small engine needs. With decades of engineering expertise, Autolite delivers the quality and consistency your equipment deserves.

Item Specifics: Complete Technical Specifications

The Autolite 4194 Copper spark plug delivers quick starts and reliable performance for your small engine applications. With its copper core center electrode and high nickel alloy construction, this plug provides excellent thermal control and extended service life. A direct cross to NGK CR5HSB, Champion Z9Y, and Denso U16FSR-UB.

Cross Reference Guide: Replace NGK, Champion & Denso

This Autolite 4194 replaces multiple competitor part numbers, making it a versatile choice for your small engine maintenance. Whether you’re switching from NGK, Champion, or Denso, this plug offers the same specifications with Autolite’s trusted copper core performance.

The Advantage of Copper Core Technology

• Copper Core Design: The copper core center electrode aids in thermal control and improves resistance to fouling, ensuring reliable starts in all conditions.
• Extended Life Construction: High nickel alloy center and ground electrode provides durability and long service life, reducing replacement frequency.
• Superior Insulation: High alumina multi-rib ceramic insulator delivers thermal conductivity and increased strength for consistent spark delivery.
• Corrosion Resistant: Nickel-plated shell prevents corrosion for enhanced durability in various operating conditions, from high humidity to temperature extremes.

Autolite’s copper core technology isn’t just about performance—it’s about peace of mind. With proper installation and gapping, this spark plug will deliver thousands of reliable starts throughout its service life.

Compatibility and Common Applications

Always consult your equipment’s owner’s manual to verify the correct spark plug specification before purchasing. If you’re unsure whether this plug fits your specific engine, contact us with your equipment make and model.

Backed by Expertise: Red Rock Turf’s Commitment to Quality

As a trusted distributor for Briggs & Stratton, Kohler, and Toro, Red Rock Turf has been serving the turf equipment industry for years. We don’t just sell parts—we use them in our own rebuilds and repairs, ensuring that we stand behind their quality.

Our team is here to help you find the right spark plug for your engine. If you don’t see what you’re looking for on our website, contact us at , and we’ll do our best to source it for you. We also ship internationally, making it easy for customers worldwide to access premium OEM and aftermarket parts.