Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.

1997 - 2009 Subaru Legacy Spark Plug (NGK) NEW

$ 20 .58

Product Notes

⚠️ Most jobs typically require 6 of this item.
Gap 0.044"
Ruthenium HX High Ignitability Spark Plug
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
Brand: NGK
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
Wrenchy the Robot

Meet Wrenchy - The Amazing Parts Assistant!

Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.

Specifications & Info


Attribute Value
Center Electrode Core Material Copper
Center Electrode Design Fine Wire
Center Electrode Insulator Tip Projection 0.16, 4.0
Center Electrode Projection Mid Projection
Center Electrode Tip Material Ruthenium
Electrical Terminal Type Non-removable Nut
Grade Type Performance
Ground Configuration J-gap
Ground Electrode Core Material Copper
Ground Electrode Quantity 1
Ground Electrode Tip Design Projected Square Platinum Electrode (pspe) - High Ignitability
Ground Electrode Tip Material Platinum
Hex Size 5/8" (16mm)
Insulator Height 1.99, 50.5
Insulator Material Ceramic
Manufacturer Heat Range 5
Material Grade Ruthenium
Part Number Fr5bhx
Pre Gap Size .044, 1.1
Reach 0.750, 19.0
Resistance 5000.0
Resistor Type Yes
Seat Type Flat
Service Number Fr5bhx
Short Style Spark Plug No
Skirt No
Skirt Length 0.0
Stock Number 96457
Thread Diameter 0.551, 14.0
Washer Included Yes
Washer Type Crush

Vehicle Fitment Guide

This part fits the following vehicles:

Subaru 1 model (tapclick to expand)(tapclick to hide)
Legacy 1997-2009 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
2.0 Sedan 2008 H4 2.0L AWD Automatic
2.0R Sedan 2009 H4 2.0L AWD Automatic
2.5i Sedan 2006 - 2009 H4 2.5L AWD Automatic & Manual
2.5i Wagon 2006, 2008 H4 2.5L AWD Automatic & Manual
2.5i Limited Sedan 2006 - 2009 H4 2.5L AWD Automatic
2.5i Limited Wagon 2007 H4 2.5L AWD Automatic
2.5i Special Edition Sedan 2007 - 2009 H4 2.5L AWD Automatic & Manual
2.5i Special Edition Wagon 2007 H4 2.5L AWD Automatic & Manual
2.5i Touring Sedan 2009 H4 2.5L AWD Automatic
3.0 Sedan 2008 H6 3.0L AWD Automatic
3.0 R Sedan 2009 H6 3.0L AWD Automatic
3.0 R Limited Sedan 2008 - 2009 H6 3.0L AWD Automatic
3.0 R Premier Sedan 2009 H6 3.0L AWD Automatic
Base Sedan 2009 H4 2.5L AWD Automatic
Brighton Sedan 2000 H4 2.5L AWD Automatic & Manual
Brighton Wagon 1997 - 1999 H4 2.2L AWD Automatic & Manual
GT Sedan 2005 - 2008 H4 2.5L Turbo AWD Automatic
GT Sedan 2005 - 2006, 2008 H4 2.5L Turbo AWD Manual
GT Sedan 1999 H4 2.2L AWD Automatic & Manual
GT Sedan 1997 - 2004 H4 2.5L AWD Automatic & Manual
GT Wagon 2005 - 2006, 2008 H4 2.5L Turbo AWD Automatic & Manual
GT Wagon 1999 H4 2.2L AWD Automatic & Manual
GT Wagon 1997 - 2004 H4 2.5L AWD Automatic & Manual
GT Limited Sedan 2005, 2007 - 2009 H4 2.5L Turbo AWD Automatic & Manual
GT Limited Sedan 1998, 2000 - 2002 H4 2.5L AWD Automatic & Manual
GT Limited Wagon 2005, 2007 H4 2.5L Turbo AWD Automatic & Manual
GT spec.B Sedan 2006 - 2009 H4 2.5L Turbo AWD Manual
L Sedan 2000 - 2004 H4 2.5L AWD Automatic & Manual
L Sedan 1997 - 1999 H4 2.2L AWD Automatic & Manual
L Wagon 2000 - 2004 H4 2.5L AWD Automatic & Manual
L Wagon 1997 - 1999 H4 2.2L AWD Automatic & Manual
L 30th Anniversary Sedan 1999 H4 2.2L AWD Automatic & Manual
L 30th Anniversary Wagon 1999 H4 2.2L AWD Automatic & Manual
L 35th Anniversary Sedan 2004 H4 2.5L AWD Automatic & Manual
L 35th Anniversary Wagon 2004 H4 2.5L AWD Automatic & Manual
L SE Sedan 2003 H4 2.5L AWD Automatic & Manual
L SE Wagon 2003 H4 2.5L AWD Automatic & Manual
LSi Sedan 1997 H4 2.5L AWD Automatic & Manual
LSi Wagon 1997 H4 2.5L AWD Automatic & Manual
Limited Sedan 2005, 2008 H4 2.5L AWD Automatic
Limited Sedan 2005 H4 2.5L AWD Manual
Limited Wagon 2005 H4 2.5L AWD Automatic & Manual
Limited 30th Anniversary Sedan 1999 H4 2.2L AWD Automatic & Manual
Limited 30th Anniversary Sedan 1999 H4 2.5L AWD Automatic & Manual
Limited 30th Anniversary Wagon 1999 H4 2.2L AWD Automatic & Manual
Limited 30th Anniversary Wagon 1999 H4 2.5L AWD Automatic & Manual
Outback Wagon 1997 - 1999 H4 2.5L AWD Automatic & Manual
Outback Limited Wagon 1997, 1999 H4 2.5L AWD Automatic & Manual
Postal Wagon 1997 - 1998 H4 2.2L AWD Automatic & Manual
SUS 30th Anniversary Sedan 1999 H4 2.2L AWD Automatic & Manual
SUS 30th Anniversary Sedan 1999 H4 2.5L AWD Automatic & Manual
Touring Sedan 2008 H4 2.5L AWD Automatic & Manual
Touring Wagon 2008 H4 2.5L AWD Automatic & Manual
i Sedan 2005 H4 2.5L AWD Automatic & Manual
i Wagon 2005 H4 2.5L AWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Interchange Parts

Brand Part Number
Chrysler 5071714AA
Chrysler 5083433AA
Chrysler 5149060AB
Chrysler 68304168AA
Chrysler SP00ZFR5AP
General Motors 21024775
General Motors 21025103
Hyundai 18814-11051
Hyundai 18817-11051
Hyundai 27410 37100
Hyundai 27410-23700
Isuzu 8920633030
Isuzu 8971259690
Isuzu 8971702680
Jaguar AJ84575
Jaguar C2A1535
Land Rover 4550157
Land Rover LR00525
Mazda BP01-18-110
Mazda BP8K-18-110
Mazda F287-18-110
Mazda KJ13-18-110
Mazda KJ14-18-110
Mercedes-Benz A0031593103
Mercedes-Benz A0031594203
Mercedes-Benz A0031595403
Mercedes-Benz A0031596603
Mercedes-Benz A0031596703
Mercedes-Benz A0031596803
Mercedes-Benz A0031597103
Mercedes-Benz A0031597503
Mercedes-Benz A0031598603
Mercedes-Benz A0031599403
Mercedes-Benz A0041590903
Mercedes-Benz A0041591903
Mercedes-Benz A0041595003
Mitsubishi MD339798
Mitsubishi MD350292
Mitsubishi MD361067
Mitsubishi MD372553
Mitsubishi MS851357
Mitsubishi MS851571
Mitsubishi MS851727
Subaru 22401-AA570
Subaru 22401-AA650
Subaru 22401-AA65A
Toyota 90080-91145
Toyota 90919-01176
Toyota 90919-01192
Toyota 90919-01193
Toyota 90919-01196
Toyota 90919-01197
Volkswagen 101000035AB
Volkswagen 101000035AH

Fits Years: 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

Fits Models: Legacy

Go-Parts Garage · Featured Guide

Spark Plug Replacement Guide for the 1996-2004 Subaru Legacy

Everything a Legacy owner needs to know about choosing and replacing spark plugs for reliable performance.

Read Full Guide

⚠️ Related Trouble Codes (OBD-II)

1 matching guide

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Why Millions Choose Go-Parts

Your Go-To Place
for auto parts.

In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.

100%
Money-Back Guarantee

Shop With Total Confidence

If it doesn't fit, we make it right. No gimmicks, no fine print.

120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

×

Search by Vehicle

1
2
3
Added to cart · Part