NGK 2890 Spark Plug

Overview of NGK Laser Platinum Spark Plug 2890

The NGK Laser Platinum Spark Plug 2890 is engineered for reliable ignition performance in select Cadillac, Saturn, and Volkswagen vehicles. Designed with advanced materials and a semi-surface discharge ground electrode, this spark plug supports efficient combustion and consistent engine operation.

• Part Number: 2890 (Bkr5ekup)
• Brand Line: Laser Platinum Spark Plug
• Resistance: 5000 ohms for noise suppression
• Ground Electrode Tip Design: Semi-surface discharge
• Center Electrode Tip Material: Platinum for durability
• Center Electrode Core Material: Copper for optimal conductivity
• Ground Electrode Core Material: Nickel
• Ground Electrode Quantity: 2
• Pre-Gap Size: 0.024 inches
• Thread Diameter: 14.00 mm with 0.75 inch reach
• Hex Size: 5/8 inch
• Seat Type: Flat
• Electrical Terminal Type: Non-removable nut
• Insulator Height: 50.50 mm
• Manufacturer Heat Range: 5

Features of the NGK Laser Platinum Spark Plug

The Laser Platinum Spark Plug line from NGK is designed to provide enhanced durability and stable ignition performance. The platinum center electrode tip offers extended service life compared to conventional spark plugs, while the copper core ensures excellent thermal conductivity. The semi-surface discharge ground electrode design improves spark efficiency and reduces fouling, making it suitable for a range of gasoline engines.

Technical Description and Benefits

This NGK spark plug features a dual ground electrode configuration made from nickel, which contributes to consistent spark delivery and improved combustion stability. The 5000 ohm resistance helps suppress electrical noise that can interfere with vehicle electronics. With a pre-set gap of 0.024 inches and a flat seat design, the plug ensures proper sealing and optimal spark gap for efficient ignition. The non-removable nut terminal type provides a secure electrical connection, and the 5/8 inch hex size allows for straightforward installation using standard tools.

Compatible Vehicles and Applications

• Compatible with Cadillac Catera models
• Suitable for Saturn LS2, LW2, LW300, and L300 engines
• Fits Volkswagen Corrado, EuroVan, Golf, Jetta, and Passat models

This spark plug is intended for use in secondary ignition systems where reliable spark generation is critical for engine performance and emissions control.

Common Issues Addressed by NGK Spark Plug 2890

• Misfires or rough idling due to worn or fouled spark plugs
• Difficulty starting the engine in cold conditions
• Reduced fuel efficiency from incomplete combustion
• Engine hesitation or loss of power under load
• Electrical interference affecting onboard electronics

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.024 inches as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or seat. The 5/8 inch hex size allows compatibility with common spark plug sockets. Ensure the ignition system is off and the engine is cool before replacing spark plugs. Avoid over-tightening to maintain proper sealing and prevent thread stripping.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards and undergo rigorous testing for durability and performance. The Laser Platinum Spark Plug 2890 is designed to provide consistent ignition reliability over its service life. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.