Standard Ignition JH-239 Distributor Cap

Reliable Distributor Cap for Nissan 200SX, Frontier, Pickup, Sentra, and Xterra

The Standard Ignition JH-239 distributor cap is designed to provide consistent ignition performance for select Nissan models. Engineered with durable aluminum contact terminals and a vertical tower position, this distributor cap ensures reliable spark delivery and engine operation.

Key Features of Standard Ignition JH-239 Distributor Cap

• Contact terminals made from aluminum for effective conductivity
• Includes a distributor vent to prevent moisture buildup
• Vertical tower position for proper fitment in compatible Nissan vehicles
• Screw mount type for secure installation
• Black distributor cap color for OEM appearance
• Includes installation instructions for ease of use
• Four terminal quantity suitable for specific Nissan ignition systems

Detailed Description of the JH-239 Distributor Cap

This Standard Ignition distributor cap (part number JH-239) is specifically designed for Nissan 200SX, Frontier, Pickup, Sentra, and Xterra models. The aluminum contact terminals provide reliable electrical conductivity, which is essential for maintaining consistent spark timing and engine performance. The built-in distributor vent helps reduce moisture accumulation inside the cap, preventing corrosion and electrical shorts. Its vertical tower position and screw mount type ensure a secure and precise fit, matching the original equipment specifications. The black color maintains a factory look under the hood, and the included instructions assist with proper installation.

Common Issues Addressed by the Distributor Cap

• Intermittent engine misfires caused by worn or damaged distributor caps
• Corrosion and moisture buildup inside the distributor cap
• Poor spark delivery leading to rough idling or stalling
• Difficulty starting the engine due to faulty ignition components
• Electrical shorts within the ignition system affecting performance

Installation Notes and Tips

• Ensure the engine is off and cool before beginning installation
• Follow the included instructions carefully for proper alignment and mounting
• Do not reuse old screws; use new hardware if available for secure fitment
• Inspect spark plug wires and ignition rotor separately as they are not included
• Check for any signs of wear or damage on related ignition components during installation

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The JH-239 distributor cap undergoes rigorous quality control to ensure durability and reliable performance. Please refer to Standard Ignition's warranty policy for specific coverage details.