NGK 3785 Spark Plug

NGK Standard Spark Plug for Honda Civic

NGK Standard Spark Plug 3785 is built for drivers who need a direct-fit ignition component with OE-style construction and consistent firing performance. This spark plug is listed for 1978-1979 Honda Civic applications and uses a copper center electrode with nickel tip materials for dependable secondary ignition service.

Key Features

• NGK Standard Spark Plug, part number 3785
• Fits 1978-1979 Honda Civic, N/A
• Standard ground electrode design with one ground electrode
• Copper center electrode core for stable heat transfer
• Nickel center and ground electrode tip materials
• 5000 ohm resistance for ignition system compatibility
• Pre-gapped to .032 inch
• 14 mm thread diameter, .75 inch reach, flat seat
• 13/16 inch hex size with non-removable nut terminal

Product Details

NGK’s Standard Spark Plug line focuses on OE-style replacement parts built to original equipment standards for durability and operational consistency. Part number 3785, also identified as BPR7ES SOLID, uses a copper core center electrode, nickel tips, and a standard ground configuration to support reliable spark delivery in the ignition system. This spark plug is a direct service option for 1978-1979 Honda Civic models and is also referenced by cross numbers such as Atlantic Automotive Engineering 3785 and Global Parts Distributors LLC 4238.

Common Uses

• Restoring weak or inconsistent spark in a 1978-1979 Honda Civic
• Replacing worn spark plugs with OE-equivalent design
• Addressing rough idle caused by aged ignition components
• Helping correct hard starting related to plug wear or fouling
• Supporting normal combustion performance during routine tune-up service

Installation Notes

Verify the plug gap before installation and confirm the .032 inch specification matches the engine requirement. Check thread diameter, reach, seat type, and hex size against the cylinder head before tightening. Use the correct torque procedure for the engine to avoid thread damage or sealing issues. For best results, inspect ignition wires, distributor components, and fuel condition during service on Honda Civic applications.

Quality Assurance

NGK is a long-established OE supplier with extensive North American coverage across automotive, motorcycle, marine, and small engine applications. The Standard Spark Plug line is produced to maintain original equipment standards for durability and consistent performance.