2003 Subaru Legacy Spark Plug Parts

Choose your Engine for your 2003 Subaru Legacy


Showing 1 - 10 of 19 products
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NGK
  • NGK G-Power Platinum Spark Plug
  • Gap 0.044"
  • G-Power Spark Plug
  • Product Attributes:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Bkr6egp
    • Hex Size: 5/8
    • Reach: .75
    • Center Electrode Tip Material: Platinum
    • Stock Number: 7092
    • Ground Electrode Tip Design: Trapezoid
    • Manufacturer Heat Range: 6
    • Ground Configuration: Standard
    • Pre-Gap Size: .040
    • Resistance: 5000
    • Insulator Height: 50.50
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
19, 3068, 3071, 3071-2, 3071S, 3340, 3340-2, 3344, 3346, 3346-2, 4027, 4227, 4504, 4702, 5, 6705, 6724, 6730...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Subaru Legacy H 2458 4 Cyl 2.5L -

Denso
  • Spark Plug Iridium Power
  • Gap 0.044 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
  • Spark Plug Iridium Power
  • Iridium Power
  • Product Attributes:
    • Hex Size: 16.0
    • Reach: 19.00
    • Center Electrode Tip Material: Iridium
    • Seat Type: Flat
    • Ground Electrode Tip Design: Tapercut, U-groove
    • Center Electrode Core Material: Copper
    • Ground Configuration: Standard
    • Pre-Gap Size: 1.1
    • Resistance: 5000
    • Ground Electrode Core Material: Nickel
  • Increased performance with World's smallest Iridium Center Eletrode (0.4mm).
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
0000-18-BP03, 003 159 75 03, 003 159 78 03, 004 159 14 03, 06H 905 601 A, 06H 905 611, 06H 905 621, 09146367, 09482-00427, 09482-00429, 09482-00494, 09482-00508, 09482-00510, 09482-00548, 09482-00550, 0K01C-18-110, 0K23A-18-110, 0K2AA-18-110...VIEW MORE

Additional Fitment Information:
Vehicle
2003 - Subaru Legacy

NGK
  • NGK Iridium IX Spark Plug
  • Gap 0.044"
  • Iridium IX Spark Plug
  • Product Attributes:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Bkr6eix-11
    • Hex Size: 5/8
    • Reach: .75
    • Center Electrode Tip Material: Iridium
    • Stock Number: 3764
    • Ground Electrode Tip Design: Taper Cut
    • Manufacturer Heat Range: 6
    • Ground Configuration: Standard
    • Pre-Gap Size: .044
    • Resistance: 5000
    • Insulator Height: 50.50
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
1765282, 1UNA-18-110, 22401AA500, 3162, 3163, 3262, 3344, 3344-2, 3449, 3764, 4201, 4417, 4702, 5304, 5604, 9607, 9610, 98079-5614E-HE...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Subaru Legacy H 2458 4 Cyl 2.5L -

NGK
  • NGK Standard Spark Plug
  • Gap 0.044"
  • Standard Spark Plug
  • Product Attributes:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Bkr6es-11
    • Hex Size: 5/8
    • Reach: .75
    • Center Electrode Tip Material: Nickel
    • Stock Number: 5553
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 6
    • Ground Configuration: Standard
    • Pre-Gap Size: .044
    • Resistance: 5000
    • Insulator Height: 50.50
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
1765208, 22401-85E16, 3139, 3924, 5-86121750, 5-86121750-0, 5503, 5553, 94702-00401, 94709-00401, AGPR22C1, AGPR22CD1, AGPR32CD1, AGPS22C1, AGPS32C1, DR15Z1, K20R-U11, K6RTC-11...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Subaru Legacy H 2458 4 Cyl 2.5L -

Champion
  • Champion Copper Plus- Boxed - RC10YC4
  • Gap 0.044in; Plug Type RC10YC4 Actual OE Part
  • Champion Copper Plus 346 Spark Plug (Carton of 4)
  • Copper Plus
  • Product Attributes:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Classification: Champion Copper Plus
    • Resistor Type: Yes
    • Plug Type: Rc10yc4
    • Hex Size:
      • 0.625
      • 15.880
    • Reach: 0.75
    • Center Electrode Tip Material: Nickel
    • Manufacturer Heat Range: 10
    • Pre-Gap Size:
      • 0.041
      • 1.05
    • Ground Electrode Core Material: Nickel
    • Insulator Height: 0.06
  • Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
7956, FR6AP10, FR7DCX, PFR5N11, RC10YC4

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Subaru Legacy H 2458 4 Cyl 2.5L -

NGK
  • NGK V-Power Spark Plug
  • Gap 0.044" Actual OE Manufacturer 30,000 mi OE Mfr Recommended Service Interval
  • V-Power Spark Plug
  • Product Attributes:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Bkr6e-11
    • Hex Size: 5/8
    • Reach: .75
    • Center Electrode Tip Material: Nickel
    • Stock Number: 2756
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 6
    • Ground Configuration: Standard
    • Pre-Gap Size: .044
    • Resistance: 5000
    • Insulator Height: 50.50
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
0000-18-BP03, 09482-00494, 1765195, 1A53-18-110, 1Y0A, 22401-50Y06, 22401AA310, 2756, 3121, 3182, 3374, 345, 346, 346C2, 3923, 4001, 418, 418CC...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Subaru Legacy H 2458 4 Cyl 2.5L -

Champion
  • Champion Double Platinum - Boxed - RC10PYPB4
  • Gap 0.044in; Plug Type RC10PYPB4
  • Champion Double Platinum Power 7546 Spark Plug (Carton of 4)
  • Double Platinum Power
  • Product Attributes:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Classification: Champion Double Platinum
    • Resistor Type: Yes
    • Plug Type: Rc10pypb4
    • Hex Size:
      • 0.625
      • 15.880
    • Reach: 0.75
    • Center Electrode Tip Material: Platinum
    • Manufacturer Heat Range: 10
    • Pre-Gap Size:
      • 0.041
      • 1.05
    • Ground Electrode Core Material: Platinum
    • Insulator Height: 0.06
  • Champion® Double Platinum Power™ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active™ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.

This Part Fits the Following OEM/Substitute Numbers:
18817-1105, 27410-23700, 27410-37100, 41-801, PFR5N11, PFR6G11, PFR6Q, PFR6T10G, RC10PYPB4

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Subaru Legacy H 2458 4 Cyl 2.5L -

NGK
  • NGK Laser Platinum Spark Plug
  • Gap 0.044"
  • Laser Platinum Spark Plug
  • Product Attributes:
    • Seat Type: Flat
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Pfr6g-11
    • Hex Size: 5/8
    • Reach: .75
    • Center Electrode Tip Material: Platinum
    • Stock Number: 5555
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 6
    • Ground Configuration: Standard
    • Pre-Gap Size: .044
    • Resistance: 5000
    • Insulator Height: 50.50
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
1765237, 1N09-18-110, 22401-1P116, 22401-97E66, 22401AA520, 3142, 3292, 41-804, 4504, 4702, 5555, 7070, 7345, 98079-5614H, F7DPER, IK20TT, K6RTPP-11, MD313443...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Subaru Legacy H 2458 4 Cyl 2.5L -

Autolite
  • Autolite 3923 Copper Resistor Spark Plug
  • .044"/1.1mm
  • Copper Resistor Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Flat
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.750
      • 19.5
    • Center Electrode Tip Material: Nickel
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
1716, 3007, 335, 41-602, 7528, AGSP22C

Additional Fitment Information:
Vehicle
2003 - Subaru Legacy

Autolite
  • Autolite APP3923 Double Platinum Spark Plug
  • OE Style; .044"/1.1mm
  • Double Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Flat
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Platinum
    • Center Electrode Core Material: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.750
      • 19.5
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Double Platinum Spark Plugs are a premium plug providing superior performance and platinum-to-platinum firing for a longer lasting spark plug. Autolite® Double Platinum Spark Plugs are engineered to provide easier starts, quicker acceleration and improved fuel efficiency. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
2215, 3113, 344, 41-801, 88901028

Additional Fitment Information:
Vehicle
2003 - Subaru Legacy
Showing 1 - 10 of 19 products

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