Standard Ignition 6447 Spark Plug Wire Set

Brand Standard Ignition 6447
Fits Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac · 42 vehicles

Silicone wire construction. Helps maintain dependable ignition performance in demanding engine bay conditions.

High-temperature boots. Adds protection where heat exposure is highest around the spark plug ends.

Durability-focused design. Built for dielectric, temperature, and abrasion resistance over long service life.

Cross-references OSC 4012, 347003 and 12043702 for the same application. See all 3.

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Overview

Standard Ignition 6447 is a spark plug wire set built for older GM applications that need reliable ignition transfer and durable insulation. It uses premium silicone wire construction and high-temperature boots to handle demanding engine bay conditions.

Compatible With classic Buick, Chevrolet, Cadillac, GMC, Oldsmobile, and Pontiac applications, this set is focused on stable spark delivery and long-term resistance to heat and abrasion. The 6447 part number is also referenced by 347003, 12043702, and OSC 4012 for the same application.

Key Features

  • Premium silicone wire construction for dependable ignition performance.
  • High-temperature spark plug boots for added protection near hot engine components.
  • High dielectric resistance to help maintain spark integrity.
  • Temperature and abrasion protection for extended service life.
  • Standard Ignition 6447 fitment for multiple classic GM platforms.

Detailed Description

Standard Ignition 6447 is a replacement spark plug wire set engineered for vehicles that require consistent ignition signal transfer under heat and vibration. The silicone construction helps resist breakdown in harsh engine compartment environments, while the boot material is selected to withstand elevated temperatures around the plugs and exhaust area. This makes it a practical choice for restoring ignition reliability on Chevrolet Monza, Chevrolet Vega, and Pontiac Sunbird applications, along with other listed GM models.

Fits 1975-1977 Chevrolet Monza, N/A. Fits 1975-1977 Chevrolet Vega, N/A. Fits 1982-1984 Chevrolet Cavalier, N/A. Fits 1983-1984 Chevrolet S10, N/A. Fits 1983-1984 Chevrolet S10 Blazer, N/A. Fits 1982-1984 Cadillac Cimarron, N/A. Fits 1982-1986 Buick Skyhawk, N/A. Fits 1982-1986 Oldsmobile Firenza, N/A. Fits 1976-1977 Oldsmobile Starfire, N/A. Fits 1975-1977 Pontiac Astre, N/A. Fits 1982-1983 Pontiac J2000, N/A. Fits 1984-1985 Pontiac J2000 Sunbird, N/A. Fits 1976-1977 Pontiac Sunbird, N/A. Fits 1986 Pontiac Sunbird, N/A. Fits 1983-1984 GMC S15, N/A. Fits 1983-1984 GMC S15 Jimmy, N/A.

Common Uses

  • Restoring weak or inconsistent spark transfer.
  • Replacing cracked or heat-damaged ignition wires.
  • Addressing misfire concerns caused by insulation breakdown.
  • Reducing arcing from worn wire insulation or boots.
  • Refreshing aging ignition components on classic GM vehicles.

Installation Notes

Match each wire to the correct cylinder routing before removal, and transfer one lead at a time to preserve firing order. Inspect plug terminals, distributor cap condition, and routing clips during installation to avoid crossfire or heat contact. Verify fitment against the listed application before installation.

Quality Assurance

Standard Ignition 6447 is built with silicone insulation, high-temperature boots, and protection against heat, abrasion, and dielectric breakdown for durable service in demanding engine compartments.

This part fits 42 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1986BuickSkyhawk1.8LL4—
1986OldsmobileFirenza1.8LL4—
1986PontiacSunbird1.8LL4—
1985BuickSkyhawk1.8LL4—
1985OldsmobileFirenza1.8LL4—
1985PontiacJ2000 Sunbird1.8LL4—
1984BuickSkyhawk1.8LL4—
1984CadillacCimarron2.0LL4—
1984ChevroletCavalier2.0LL4—
1984ChevroletS102.0LL4—
1984ChevroletS10 Blazer2.0LL4—
1984GMCS152.0LL4—
1984GMCS15 Jimmy2.0LL4—
1984OldsmobileFirenza1.8LL4—
1984PontiacJ2000 Sunbird1.8LL4—
1983BuickSkyhawk1.8LL4—
1983CadillacCimarron2.0LL4—
1983ChevroletCavalier2.0LL4—
1983ChevroletS102.0LL4—
1983ChevroletS10 Blazer2.0LL4—
1983GMCS152.0LL4—
1983GMCS15 Jimmy2.0LL4—
1983OldsmobileFirenza1.8LL4—
1983PontiacJ20001.8LL4—
1982BuickSkyhawk1.8LL4—
1982CadillacCimarron1.8LL4—
1982ChevroletCavalier1.8LL4—
1982OldsmobileFirenza1.8LL4—
1982PontiacJ20001.8LL4—
1977ChevroletMonza2.3LL4—
1977ChevroletVega2.3LL4—
1977OldsmobileStarfire2.3LL4—
1977PontiacAstre2.3LL4—
1977PontiacSunbird2.3LL4—
1976ChevroletMonza2.3LL4—
1976ChevroletVega2.3LL4—
1976OldsmobileStarfire2.3LL4—
1976PontiacAstre2.3LL4—
1976PontiacSunbird2.3LL4—
1975ChevroletMonza2.3LL4—
1975ChevroletVega2.3LL4—
1975PontiacAstre2.3LL4—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
OSC — 401234700312043702