Standard Ignition SK4 Fuel Injector Seal Kit

Reliable Fuel Injector Seal Kit for Nissan and Isuzu Vehicles

The Standard Ignition SK4 Fuel Injector Seal Kit provides essential sealing components designed for precise fitment on select Nissan and Isuzu models. Engineered to maintain fuel system integrity, this kit supports optimal injector performance and helps prevent leaks.

• Includes assorted sizes of black plastic O-rings for accurate sealing
• Designed for one fuel injector per kit
• Contains one MFI-type O-ring with specific dimensions for reliable fit
• Compatible with Nissan 200SX, 280ZX, 300ZX, 810, Impulse, Maxima, Pulsar NX and Isuzu models
• Does not include hardware, nozzle seal, pintle cap, or upper intake manifold gaskets

Detailed Product Features and Specifications

The SK4 Fuel Injector Seal Kit by Standard Ignition features a set of plastic O-rings in assorted sizes, finished in black to ensure durability and resistance to fuel exposure. The kit includes one MFI-type O-ring with an inside diameter of 8.636 mm, an outside diameter of 13.97 mm, and a thickness of 4.064 mm. A second O-ring measures 20.32 mm inside diameter, 27.178 mm outside diameter, and 8.128 mm thickness. This precise sizing supports a secure seal around the fuel injector, preventing fuel leaks and maintaining system pressure. The kit is intended for servicing one injector at a time and does not include additional hardware or seals such as nozzle seals or pintle caps.

Compatible Nissan and Isuzu Models

This fuel injector seal kit is compatible with a range of Nissan vehicles including the 200SX, 280ZX, 300ZX, 810, Impulse, Maxima, and Pulsar NX. It also fits applicable Isuzu models. Using the SK4 kit ensures proper sealing for fuel injectors in these vehicles, supporting engine efficiency and fuel delivery accuracy.

Common Applications and Issues Addressed

• Prevents fuel injector leaks that can cause poor engine performance
• Eliminates fuel odor and potential fire hazards from leaking seals
• Maintains proper fuel pressure for consistent injector operation
• Helps resolve rough idling or misfires related to injector seal failure
• Supports routine maintenance and injector rebuilds on compatible Nissan and Isuzu models

Installation Notes and Tips

When installing the SK4 Fuel Injector Seal Kit, ensure the fuel system is depressurized before removal of injectors. Clean the injector bores thoroughly to remove debris and old sealant. Carefully install the new O-rings without twisting or stretching to avoid damage. Lubricate the seals lightly with clean engine oil or recommended lubricant to facilitate installation and prevent tearing. Verify proper seating of the seals before reassembling the fuel rail and related components.

Quality Assurance and Warranty

Standard Ignition manufactures the SK4 Fuel Injector Seal Kit to meet OEM specifications for fit and function. The plastic O-rings are designed for durability and resistance to fuel and heat exposure. While no specific warranty information is provided, Standard Ignition products typically adhere to industry standards for quality and reliability.