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Replacement and OEM Parts for 1986 Oldsmobile Firenza Spark Plug

1986 Oldsmobile Firenza Spark Plug

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1986 Oldsmobile Firenza
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  • Denso Iridium Long-Life Spark Plug for 1986 Oldsmobile Firenza - 5087

    Denso® Iridium Long-Life Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 5087
    Product Specifications
    • Notes: Gap 0.044; Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) w/Platinum Ground Strap
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1.1 mm
    • OE Part Number: ZT20EPR11
    • Overall Height: JIS
    • Reach: 18.00 mm
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14.00 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511050877
    • Wrench Diameter: 16 mm
    • Part Description: 1986 Oldsmobile Firenza Iridium Long-Life Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
    $5.83
  • Denso Iridium TT™ Spark Plug for 1986 Oldsmobile Firenza - 4708

    Denso® Iridium TT™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 4708
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047082
    • Part Description: 1986 Oldsmobile Firenza Iridium TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
    $7.01
  • Denso Iridium TT™ Spark Plug for 1986 Oldsmobile Firenza - 4714

    Denso® Iridium TT™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 4714
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 17.5 mm (.689")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047143
    • Part Description: 1986 Oldsmobile Firenza Iridium TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
    $7.03
  • Denso Iridium TT™ Spark Plug for 1986 Oldsmobile Firenza - 4716

    Denso® Iridium TT™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 4716
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Electrode Material: Iridium
    • Gap: .039" (1.0 mm)
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 11.6 mm (.460")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511047167
    • Part Description: 1986 Oldsmobile Firenza Iridium TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
    $7.01
  • Denso Double Platinum Spark Plug for 1986 Oldsmobile Firenza - 3004

    Denso® Double Platinum Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 3004
    Product Specifications
    • Notes: Gap 0.044; Double Platinum Plug - Extra Long Life Double Platinum Plug w/Platinum Ground Strap
    • Electrode Material: Platinum
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: ISO
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Spark Plug Reach: 0.748"
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511030046
    • Part Description: 1986 Oldsmobile Firenza Double Platinum Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
    $6.08
  • Denso Iridium Power™ Spark Plug for 1986 Oldsmobile Firenza - 5305

    Denso® Iridium Power™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 5305
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/Worlds Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: JIS
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Terminal Type: Removable Nut
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053052
    • Part Description: 1986 Oldsmobile Firenza Iridium Power™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
    $6.29
  • Denso Iridium Power™ Spark Plug for 1986 Oldsmobile Firenza - 5326

    Denso® Iridium Power™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 5326
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/Worlds Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: JIS
    • Reach: 17.5 mm (.689")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053267
    • Part Description: 1986 Oldsmobile Firenza Iridium Power™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
    $6.17
  • Denso Iridium Power™ Spark Plug for 1986 Oldsmobile Firenza - 5331

    Denso® Iridium Power™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 5331
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/Worlds Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Electrode Material: Iridium
    • Gap: .043" (1.1 mm)
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Nominal Gap: 1.1 mm
    • Overall Height: JIS
    • Reach: 11.6 mm (.460")
    • Seat Type: Tapered
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511053311
    • Part Description: 1986 Oldsmobile Firenza Iridium Power™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
    $6.31
  • Denso Platinum TT™ Spark Plug for 1986 Oldsmobile Firenza - 4501

    Denso® Platinum TT™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 4501
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 16
    • Hex Size: 13/16" (21 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 19 mm (3/4")
    • Seat Type: Gasket
    • Spark Plug Reach: 19 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045019
    • Wrench Diameter: 16 mm
    • Part Description: 1986 Oldsmobile Firenza Platinum TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
    $3.38
  • Denso Platinum TT™ Spark Plug for 1986 Oldsmobile Firenza - 4510

    Denso® Platinum TT™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 4510
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 11.6 mm (.460")
    • Seat Type: Tapered
    • Spark Plug Reach: 11.6 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045101
    • Wrench Diameter: 16 mm
    • Part Description: 1986 Oldsmobile Firenza Platinum TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
    $3.54
  • Denso Platinum TT™ Spark Plug for 1986 Oldsmobile Firenza - 4512

    Denso® Platinum TT™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 4512
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Electrode Material: Platinum
    • Gap: .039" (1.0 mm)
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Heat Range: 20
    • Hex Size: 5/8" (16 mm)
    • Material: Nickel
    • Nominal Gap: 1 mm
    • Overall Height: JIS
    • Reach: 17.5 mm (.689")
    • Seat Type: Tapered
    • Spark Plug Reach: 18 mm
    • Terminal Type: Solid
    • Thread Diameter: 14 mm
    • Thread Pitch: 1.25 mm
    • UPC: 042511045125
    • Wrench Diameter: 16 mm
    • Part Description: 1986 Oldsmobile Firenza Platinum TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
    $3.38
  • Denso Original U-Groove Nickel Spark Plug for 1986 Oldsmobile Firenza - 5032

    Denso® Original U-Groove Nickel Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 5032
    Product Specifications
    • Notes: Gap 0.032; OE Recommended Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.032"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 20
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Tapered
    • Thread Diameter: 14 mm
    • Thread Reach: 18 mm
    • UPC: 042511050327
    • Part Description: 1986 Oldsmobile Firenza Original U-Groove Nickel Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
    $1.99
  • Denso Original U-Groove Nickel Spark Plug for 1986 Oldsmobile Firenza - 5035

    Denso® Original U-Groove Nickel Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 5035
    Product Specifications
    • Notes: Gap 0.035; OE Recommended Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.035"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 20
    • Hex Size: 0.625"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Tapered
    • Thread Diameter: 0.551"
    • Thread Reach: 0.457"
    • UPC: 042511050358
    • Part Description: 1986 Oldsmobile Firenza Original U-Groove Nickel Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
    $1.99
  • Denso Original U-Groove Nickel Spark Plug for 1986 Oldsmobile Firenza - 3031

    Denso® Original U-Groove Nickel Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: 3031
    Product Specifications
    • Notes: Gap 0.032; OE Recommended Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Material: Nickel
    • Gap: 0.032"
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Heat Range: 16
    • Hex Size: 4/5"
    • Resistance: 5 kOhm
    • Spark Plug Seat Style: Gasket
    • Thread Diameter: 0.551"
    • Thread Reach: 0.748"
    • UPC: 042511030312
    • Part Description: 1986 Oldsmobile Firenza Original U-Groove Nickel Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
    $1.86
  • Denso Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza - IT20

    Denso® Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: IT20
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/Worlds Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511053267
    • Part Description: 1986 Oldsmobile Firenza Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
  • Denso Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza - IT20TT

    Denso® Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: IT20TT
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511047143
    • Part Description: 1986 Oldsmobile Firenza Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
  • Denso Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza - ITF20

    Denso® Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: ITF20
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/Worlds Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 11.60
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511053311
    • Part Description: 1986 Oldsmobile Firenza Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
  • Denso Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza - ITF20TT

    Denso® Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: ITF20TT
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 11.60
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511047167
    • Part Description: 1986 Oldsmobile Firenza Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
  • Denso Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza - IW16

    Denso® Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: IW16
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/Worlds Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Tapercut, U-Groove
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.044
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511053052
    • Part Description: 1986 Oldsmobile Firenza Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
  • Denso Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza - IW16TT

    Denso® Iridium Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: IW16TT
    Product Specifications
    • Notes: Gap 0.040; Iridium TT - Ultimate Endurance & Pwr, 0.4mm Iridium & 0.7mm Platinum Twin-Tip Technology
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium Rhodium Alloy
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Twin-Tip
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511047082
    • Part Description: 1986 Oldsmobile Firenza Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
  • Denso Double Platinum™ Spark Plug for 1986 Oldsmobile Firenza - P16R

    Denso® Double Platinum™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: P16R
    Product Specifications
    • Notes: Gap 0.044; Double Platinum Plug - Extra Long Life Double Platinum Plug w/Platinum Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.044
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511030046
    • Part Description: 1986 Oldsmobile Firenza Double Platinum™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
  • Denso Platinum Tt™ Spark Plug for 1986 Oldsmobile Firenza - PT20TT

    Denso® Platinum Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: PT20TT
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511045125
    • Part Description: 1986 Oldsmobile Firenza Platinum Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
  • Denso Platinum Tt™ Spark Plug for 1986 Oldsmobile Firenza - PTF20TT

    Denso® Platinum Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: PTF20TT
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.040
    • Reach: 11.60
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511045101
    • Part Description: 1986 Oldsmobile Firenza Platinum Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
  • Denso Platinum Tt™ Spark Plug for 1986 Oldsmobile Firenza - PW16TT

    Denso® Platinum Tt™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: PW16TT
    Product Specifications
    • Notes: Gap 0.040; Platinum TT - Twin-Tip Technology Design w/Platinum Center Electrode & Titanium Enhanced Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Platinum
    • Ground Configuration: Twin-Tip
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Titanium Enhanced Twin-Tip
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.040
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511045019
    • Part Description: 1986 Oldsmobile Firenza Platinum Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
  • Denso Original U-Groove™ Spark Plug for 1986 Oldsmobile Firenza - T20EPR-U

    Denso® Original U-Groove™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: T20EPR-U
    Product Specifications
    • Notes: Gap 0.032; OE Recommended Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Nickel
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.032
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511050327
    • Part Description: 1986 Oldsmobile Firenza Original U-Groove™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L
  • Denso Original U-Groove™ Spark Plug for 1986 Oldsmobile Firenza - T20PR-U

    Denso® Original U-Groove™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: T20PR-U
    Product Specifications
    • Notes: Gap 0.035; OE Recommended Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Nickel
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.035
    • Reach: 11.60
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511050358
    • Part Description: 1986 Oldsmobile Firenza Original U-Groove™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 2.0L
  • Denso Original U-Groove™ Spark Plug for 1986 Oldsmobile Firenza - W16EXR-U

    Denso® Original U-Groove™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: W16EXR-U
    Product Specifications
    • Notes: Gap 0.032; OE Recommended Resistor Plug w/Patented U-Groove Design
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Nickel
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: U-Groove
    • Hex Size: 20.6
    • Manufacturer Heat Range: 16
    • Pre-Gap Size: 0.032
    • Reach: 19.00
    • Resistance: 5000
    • Seat Type: Gasket
    • UPC: 042511030312
    • Part Description: 1986 Oldsmobile Firenza Original U-Groove™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 4 Cyl 1.8L
  • Denso Iridium Long-Life™ Spark Plug for 1986 Oldsmobile Firenza - ZT20EPR11

    Denso® Iridium Long-Life™ Spark Plug for 1986 Oldsmobile Firenza

    PartNumber: ZT20EPR11
    Product Specifications
    • Notes: Gap 0.044; Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) w/Platinum Ground Strap
    • Center Electrode Core Material: Copper
    • Center Electrode Tip Material: Iridium-Rhodium Alloy
    • Ground Configuration: Standard
    • Ground Electrode Core Material: Nickel
    • Ground Electrode Quantity: 1
    • Ground Electrode Tip Design: Platinum Chip
    • Hex Size: 16.0
    • Manufacturer Heat Range: 20
    • Pre-Gap Size: 0.044
    • Reach: 18.00
    • Resistance: 5000
    • Seat Type: Tapered
    • UPC: 042511050877
    • Part Description: 1986 Oldsmobile Firenza Iridium Long-Life™ Spark Plug
    More Info
    Vehicle Fitment
    • 1986 Oldsmobile Firenza | All Trims | 6 Cyl 2.8L