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Autolite 4194 Spark Plug
| Brand | Autolite 4194 |
|---|---|
| Resistance | 1 |
| Ground Electrode Tip Design | Tapered |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | 0.025 |
| Pre-Gap Size | 0.60 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16 |
| Hex Size | 5/8" |
| Seat Type | Flat |
| Reach | 0.500 |
| Reach | 13.0 |
| Thread Diameter | 10.0 |
| Resistor Type | No |
| Center Electrode Design | Standard / regular |
| Ground Electrode Tip Material | Nickel |
| Insulator Material | Ceramic |
| Insulator Type | Short |
| Fits | — |
OE form, fit, function. A direct replacement for the original spark plug.
Copper core design. Delivers quick starts, smooth acceleration, and better fuel economy.
Ceramic insulator. Helps provide reliable ignition performance under heat and stress.
Cross-references AMS Automotive 4000, BENDIX PREMIUM BRAKE SHOES 849 and Champion Spark Plug 808 for the same application. See all 5.
Autolite 4194 Copper Spark Plug Overview
Autolite 4194 is a copper non-resistor spark plug built for quick starts, steady idle quality, and smooth throttle response. It uses an OE-style form, fit, and function approach for a wide range of foreign and domestic ignition applications, including common Honda Civic and Toyota Corolla service needs.
The Autolite Copper Non-Resistor Spark Plug line focuses on dependable ignition performance at a value price. For drivers and technicians looking for a direct replacement spark plug with standard dimensions and a conventional copper core, part number 4194 is a practical service option.
Key Features
- Copper center electrode core for consistent ignition performance
- Non-resistor design for applications that require a no-resistor spark plug
- Nickel center and ground electrode tip materials
- Tapered ground electrode tip design with one ground electrode
- Pre-gapped to 0.025 in. / 0.60 mm
- Flat seat, 10 mm thread diameter, 0.500 in. reach
- 5/8 in. hex size with removable nut terminal
- Ceramic insulator with short insulator type
Product Details
Autolite 4194 is a standard regular spark plug with a copper center electrode and nickel tip materials that support reliable spark delivery in everyday ignition systems. Its 1 ohm resistance specification and non-resistor construction make it suitable for vehicles and equipment that call for this exact plug type. The 5/8 in. hex, flat seat, and 0.500 in. reach help match OE-style service requirements, while the pre-gap setting simplifies installation and setup. This part cross-references Champion Spark Plug 808 for the same application.
Common Issues This Spark Plug Can Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from weak or inconsistent spark output
- Reduced throttle response from aged ignition components
- Misfire symptoms related to incorrect plug heat or wear condition
- Fuel economy loss tied to degraded spark plug performance
Installation Notes and Tips
Verify thread diameter, reach, seat type, and terminal style before installation. Autolite 4194 is a direct-fit style spark plug for applications that specify a 10 mm, flat-seat, non-resistor plug with a 5/8 in. hex. Check the gap against the vehicle service specification before final installation, and confirm the plug matches the ignition system requirements for your Honda Civic or Toyota Corolla application.
Quality Assurance
Autolite supplies ignition products to the automotive aftermarket and original equipment manufacturers, with a product line built around OE-style fit and function. Part number 4194 is manufactured to support consistent service replacement needs across a broad range of makes and models.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||