25 products about 1985 GMC C3500 Spark Plugs & Wires foundVEHICLE SPECIFIC Product Specifications Notes: Stainless Steel Exhaust Manifold; OE Replacement Part / Complete Ignition Wire Set - 8mm;OE Replacement Part / Complete Ignition Wire Set - 8mm; Stainless Steel Exhaust Manifold Distributor Coil End Terminal Type: Female Outside Diameter: 0.314" Spark Plug Boot End Angle: Straight Spark Plug Boot Material: Silicone Spark Plug End Boot Quantity Straight: 8 Spark Plug End Terminal Type: Female UPC: 042511088962 Wire Diameter: 8 mm Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: OE Replacement Part / Complete Ignition Wire Set - 8mm; Cast Iron Exhaust Manifold;Cast Iron Exhaust Manifold; OE Replacement Part / Complete Ignition Wire Set - 8mm Distributor Coil End Terminal Type: Female Outside Diameter: 0.314" Spark Plug Boot End Angle: Straight Spark Plug Boot Material: Silicone Spark Plug End Boot Quantity Straight: 8 Spark Plug End Terminal Type: Female UPC: 042511088733 Wire Diameter: 8 mm Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: with Stainless Steel Exhaust Manifold Composite High Temp: Composite High Temperature Meets or Exceeds Original Equipment Manufacturing Specifications: Yes Spark Plug Boot End Angle: 90 Degrees UPC: 689604130995 Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: w/Stainless Steel Exhaust Manifold UPC: 724620171321 Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: Cast Iron Exhaust Manifold; OE Replacement Part / Complete Ignition Wire Set - 8mm;OE Replacement Part / Complete Ignition Wire Set - 8mm; Cast Iron Exhaust Manifold Distributor Coil End Terminal Type: Female Outside Diameter: 0.314" Spark Plug Boot End Angle: 90 Degrees Spark Plug Boot Material: Silicone Spark Plug End Boot Quantity Angled: 6 Spark Plug End Boot Quantity Straight: 2 Spark Plug End Terminal Type: Female UPC: 042511088894 Wire Diameter: 8 mm Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: w/Stainless Steel Exhaust Manifold UPC: 724620170638 Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: OE Replacement Part / Complete Ignition Wire Set - 8mm; Stainless Steel Exhaust Manifold;Stainless Steel Exhaust Manifold; OE Replacement Part / Complete Ignition Wire Set - 8mm Distributor Coil End Terminal Type: Female Outside Diameter: 0.314" Spark Plug Boot End Angle: 90 Degrees Spark Plug Boot Material: Silicone Spark Plug End Boot Quantity Angled: 8 Spark Plug End Terminal Type: Female UPC: 042511088788 Wire Diameter: 8 mm Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications Notes: w/Cast Iron Exhaust Manifold UPC: 724620170515 Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: OE Replacement Part / Complete Ignition Wire Set - 8mm Distributor Coil End Terminal Type: Female Outside Diameter: 0.314" Spark Plug Boot End Angle: 90 Degrees Spark Plug Boot Material: Silicone Spark Plug End Boot Quantity Angled: 5 Spark Plug End Boot Quantity Straight: 1 Spark Plug End Terminal Type: Female UPC: 042511086517 Wire Diameter: 8 mm Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L VEHICLE SPECIFIC 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: 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: 042511047150 Part Description: 1985 GMC C3500 Iridium TT™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 5.7L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC Product Specifications Notes: w/Cast Iron Exhaust Manifold UPC: 724620171437 Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC Product Specifications UPC: 724620169892 Part Description: 1985 GMC C3500 Spark Plug Wire Set Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L VEHICLE SPECIFIC 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: 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: 042511045095 Wrench Diameter: 16 mm Part Description: 1985 GMC C3500 Platinum TT™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 5.7L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC Product Specifications Notes: Gap 0.044; OE Recommended Resistor Plug w/Patented U-Groove Design Center Electrode Core Material: Copper Center Electrode Material: Nickel Gap: 0.044" Ground Configuration: Standard Ground Electrode Core Material: Nickel Ground Electrode Quantity: 1 Ground Electrode Tip Design: U-Groove Heat Range: 16 Hex Size: 0.625" Resistance: 5 kOhm Spark Plug Seat Style: Tapered Thread Diameter: 0.551" Thread Reach: 0.457" UPC: 042511050266 Part Description: 1985 GMC C3500 Original U-Groove Nickel Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC 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: 16 Hex Size: 16 mm Resistance: 5 kOhm Spark Plug Seat Style: Tapered Thread Diameter: 0.551" Thread Reach: 0.457" UPC: 042511050297 Part Description: 1985 GMC C3500 Original U-Groove Nickel Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L VEHICLE SPECIFIC Product Specifications Notes: All; 4.8l Other Names: Cable Set, Ignition Set Item Dimensions: 9.2 x 6.0 x 3.7 inches Item Weight: 1.60 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC C3500 Wire Kit, Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS $34.06 MSRP: $64.04
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: with Cast Iron Exhaust Manifold Composite High Temp: Composite High Temperature Package Contents: Spark Plug Wire Set, Instruction Sheet UPC: 689604136836 Part Description: 1985 GMC C3500 Spark Plug Wire Set More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC 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: 16 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: 042511053304 Part Description: 1985 GMC C3500 Iridium Power™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 5.7L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC Product Specifications Notes: All Part Description: 1985 GMC C3500 Spark Plug Vehicle Fitment 1985 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: All; 5.7l Part Description: 1985 GMC C3500 Cable Set Vehicle Fitment 1985 GMC C3500 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS VEHICLE SPECIFIC 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: 16 Pre-Gap Size: 0.044 Reach: 11.60 Resistance: 5000 Seat Type: Tapered UPC: 042511053304 Part Description: 1985 GMC C3500 Iridium Tt™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 5.7L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC 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: 16 Pre-Gap Size: 0.040 Reach: 11.60 Resistance: 5000 Seat Type: Tapered UPC: 042511047150 Part Description: 1985 GMC C3500 Iridium Tt™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 5.7L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC 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: 16 Pre-Gap Size: 0.040 Reach: 11.60 Resistance: 5000 Seat Type: Tapered UPC: 042511045095 Part Description: 1985 GMC C3500 Platinum Tt™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 5.7L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L Show More VEHICLE SPECIFIC Product Specifications Notes: Gap 0.044; 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: 16 Pre-Gap Size: 0.044 Reach: 11.60 Resistance: 5000 Seat Type: Tapered UPC: 042511050266 Part Description: 1985 GMC C3500 Original U-Groove™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 8 Cyl 5.7L VEHICLE SPECIFIC 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: 16 Pre-Gap Size: 0.035 Reach: 11.60 Resistance: 5000 Seat Type: Tapered UPC: 042511050297 Part Description: 1985 GMC C3500 Original U-Groove™ Spark Plug More Info Vehicle Fitment 1985 GMC C3500 | All Trims | 6 Cyl 4.8L 1985 GMC C3500 | All Trims | 8 Cyl 7.4L