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Replacement and OEM Parts for 1991 GMC C3500 Spark Plug

1991 GMC C3500 Spark Plug

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1991 GMC C3500
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  • OEM 1991 GMC C3500 Glow Plug Diagram - 12563554
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    OEM (Genuine) 1991 GMC C3500 Glow Plug

    PartNumber: 12563554
    OEM 1991 GMC C3500 Glow Plug - 12563554
    Product Specifications
    • Notes: All Models
    • Item Dimensions: 6.5 x 3.4 x 0.8 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25168651
    • Part Description: 1991 GMC C3500 Glow Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
    $11.44 MSRP: $20.68
    You Save: $9.24 (45%)
  • Denso Iridium TT™ Spark Plug for 1991 GMC C3500 - 4716

    Denso® Iridium TT™ Spark Plug for 1991 GMC C3500

    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: 1991 GMC C3500 Iridium TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L
    $6.48
  • Denso Iridium Power™ Spark Plug for 1991 GMC C3500 - 5331

    Denso® Iridium Power™ Spark Plug for 1991 GMC C3500

    PartNumber: 5331
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's 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: 1991 GMC C3500 Iridium Power™ Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L
    $5.84
  • Denso Platinum TT™ Spark Plug for 1991 GMC C3500 - 4510

    Denso® Platinum TT™ Spark Plug for 1991 GMC C3500

    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: 1991 GMC C3500 Platinum TT™ Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L
    $3.26
  • Denso Original U-Groove Nickel Spark Plug for 1991 GMC C3500 - 5035

    Denso® Original U-Groove Nickel Spark Plug for 1991 GMC C3500

    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: 1991 GMC C3500 Original U-Groove Nickel Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L
    $1.84
  • Denso Iridium Tt™ Spark Plug for 1991 GMC C3500 - ITF20

    Denso® Iridium Tt™ Spark Plug for 1991 GMC C3500

    PartNumber: ITF20
    Product Specifications
    • Notes: Gap 0.044; Iridium Pwr - Perf Upgrade w/World's 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: 1991 GMC C3500 Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L
  • Denso Iridium Tt™ Spark Plug for 1991 GMC C3500 - ITF20TT

    Denso® Iridium Tt™ Spark Plug for 1991 GMC C3500

    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: 1991 GMC C3500 Iridium Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L
  • Denso Platinum Tt™ Spark Plug for 1991 GMC C3500 - PTF20TT

    Denso® Platinum Tt™ Spark Plug for 1991 GMC C3500

    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: 1991 GMC C3500 Platinum Tt™ Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L
  • Denso Original U-Groove™ Spark Plug for 1991 GMC C3500 - T20PR-U

    Denso® Original U-Groove™ Spark Plug for 1991 GMC C3500

    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: 1991 GMC C3500 Original U-Groove™ Spark Plug
    More Info
    Vehicle Fitment
    • 1991 GMC C3500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC C3500 | All Trims | 8 Cyl 7.4L