NGK 5568 Diesel Glow Plug
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 NGK Glow Plug

NGK 5568 Diesel Glow Plug

Brand NGK 5568
Material Type Metal type
Terminal Thread Size M4
System Voltage 12
Voltage 11.50
Length 4.7
Terminal Type Pin
Hex Size 12
Seat Type Flat
Thread Diameter 0.469
Part Number Y-930u
Stock Number 5568
Product line NGK Glow Plug
Fits Mercedes-Benz · 1 vehicle

OE-equivalent design. Built for replacement use in diesel ignition service.

Metal construction. Uses a durable metal body with a flat seat and pin terminal.

NGK heritage. Backed by an established OE supplier with broad automotive coverage.

Cross-references NGK 5568 and 250201035 for the same application. See all 2.

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Overview

The NGK Glow Plug 5568 is a diesel glow plug built for direct replacement use in compatible applications. It combines a metal construction with OE-equivalent design details to support reliable cold-start performance in diesel engines.

Fits 1995 Mercedes-Benz E300, N/A. This part number is 5568, and the NGK Glow Plug 5568 is identified by part number Y-930U in the product data.

Key Features

  • Metal construction for diesel glow plug service.
  • 12V system voltage with 11.50 voltage specification.
  • Pin terminal type with M4 terminal thread size.
  • Flat seat design and 12 mm hex size.
  • OE-equivalent design noted for the listed application.

Detailed Description

NGK 5568 is a diesel glow plug engineered around the specifications listed for the application data provided. The unit uses a metal body, pin terminal, flat seat, and M4 terminal thread size, with a 0.469 thread diameter and 12 mm hex size. These details matter when matching the correct glow plug for diesel starting and combustion support.

For fitment, this part is listed for 1995 Mercedes-Benz E300, N/A, with a note indicating service through 5/95 and OE equivalent design. If you are sourcing a replacement glow plug for a Mercedes-Benz E300, confirm the engine build date and connector style against the original part before installation. The NGK Glow Plug 5568 and Y-930U references help identify the correct replacement in catalog searches.

What It Is Used For

  • Hard starting in cold diesel conditions.
  • Extended cranking before engine start.
  • Glow plug warning or service replacement needs.
  • Restoring proper preheat function in diesel ignition systems.

Installation Notes and Tips

Verify the thread diameter, seat type, terminal style, and voltage rating before installation. Match the listed application notes, including the 5/95 cutoff for the Mercedes-Benz E300, to avoid fitment errors. Use the original connector and mounting specifications as the reference point during replacement.

Quality Assurance

NGK is a long-established OE supplier with extensive automotive manufacturing experience and a reputation for maintaining original equipment standards. The brand’s OE legacy and global manufacturing footprint support consistent product specification control for diesel ignition components.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
1995Mercedes-BenzE3003.0LL6DIESELTo 5/95; OE Equivalent Design; NGK Glow Plug
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
NGK — 5568250201035