NGK
NGK Glow Plug

NGK 2161 Diesel Glow Plug

Brand NGK 2161
Material Type Metal type
Terminal Thread Size M4
System Voltage 12
Voltage 6.00
Length 3.74
Terminal Type Threaded
Hex Size 12
Seat Type Flat
Thread Diameter 0.391
Part Number Y-115r1
Stock Number 2161
Product line NGK Glow Plug
Fits Dodge and Mitsubishi · 9 vehicles

OE-equivalent design. Built for the listed diesel application with original equipment standards in mind.

Threaded terminal. Uses an M4 threaded connection for the specified fitment.

Metal construction. Specified with a flat seat and 12-volt system rating.

Cross-references NGK 2161 and 1761041 for the same application. See all 2.

$27.91Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $27.91
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Diesel Glow Plug Overview

NGK Glow Plug 2161 is a diesel glow plug built for OE-equivalent applications with a threaded terminal and metal construction. It is specified for 12-volt systems and uses a flat seat design for the listed fitments.

Compatible with select Dodge Power Ram 50, Dodge Ram 50, and Mitsubishi Mighty Max diesel applications, this part number 2161 supports reliable cold-start performance in the correct engine setup. The NGK 2161 is also identified by part number Y-115R1.

Key Features

  • Diesel glow plug with OE-equivalent design
  • 12-volt system specification
  • Threaded terminal type for the listed application
  • Metal construction with flat seat design
  • Part number 2161, also referenced as Y-115R1

Detailed Description

NGK 2161 is a diesel glow plug engineered for the specified 1983-1985 applications in Dodge Power Ram 50, Dodge Ram 50, and Mitsubishi Mighty Max models. The listed dimensions and connection details include a 12 mm hex size, M4 terminal thread size, 0.391 thread diameter, and 3.74 length, which help identify the correct replacement for the intended diesel setup. This part number 2161 is an OE-equivalent design and cross-references 1761041 for the same application.

NGK Glow Plug products draw on NGK's long OE manufacturing background and focus on original equipment standards. For buyers searching for a diesel glow plug for Dodge Ram 50 or Mitsubishi Mighty Max fitment, this NGK 2161 listing provides the key specifications needed to confirm application before installation.

What It Is Used For

  • Restoring diesel preheating function for easier cold starts
  • Replacing a worn or failed glow plug in the correct engine application
  • Addressing hard-start conditions caused by weak glow plug performance
  • Maintaining proper ignition support in diesel combustion chambers

Installation Notes and Tips

Confirm the vehicle year, engine, and glow plug specifications before installation. Match the threaded terminal, seat type, voltage, and dimensions to the original part to avoid fitment issues. Use the fitment data exactly as listed for 1983-1985 Dodge Power Ram 50, Dodge Ram 50, and Mitsubishi Mighty Max applications.

Quality Assurance

NGK is a major OE supplier with more than 80 years of automotive manufacturing experience and a focus on original equipment standards. The brand's manufacturing and distribution network supports consistent product availability and specification control.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
1985DodgePower Ram 502.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1985DodgeRam 502.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1985MitsubishiMighty Max2.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1984DodgePower Ram 502.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1984DodgeRam 502.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1984MitsubishiMighty Max2.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1983DodgePower Ram 502.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1983DodgeRam 502.3LL4DIESELOE Equivalent Design; NGK Glow Plug
1983MitsubishiMighty Max2.3LL4DIESELOE 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 — 21611761041