HomeIgnition > Ignition Wire and Related ComponentsStandard Ignition 6890 Spark Plug Wire Set
Part #: 6890

Standard Ignition 6890 Spark Plug Wire Set

⚙️ 10 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$67.50Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Allante, DeVille, Eldorado, Fleetwood, and Seville
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Spark Plug Wire Set for Cadillac Vehicles

The Standard Ignition 6890 spark plug wire set is designed to provide consistent ignition performance for select Cadillac models. Engineered to meet OEM specifications, this set ensures proper electrical conductivity and durability for your vehicle's ignition system.

  • Compatible with Cadillac Allante, DeVille, Eldorado, Fleetwood, and Seville models
  • Part number 6890 for precise fit and function
  • Constructed to maintain optimal spark delivery and reduce electrical interference
  • Durable materials designed to withstand heat and engine vibrations
  • Manufactured by Standard Ignition, a trusted name in ignition components

Product Details and Compatibility

This spark plug wire set, part number 6890, is specifically designed for Cadillac vehicles including the Allante, DeVille, Eldorado, Fleetwood, and Seville. The wires are engineered to deliver reliable spark transmission, which is critical for efficient engine performance and fuel combustion. Using a quality spark plug wire set helps maintain engine smoothness and responsiveness by ensuring consistent ignition timing.

Common Applications and Problem Solving

  • Restores proper spark delivery to spark plugs
  • Reduces misfires and rough idling issues
  • Helps improve engine starting reliability
  • Prevents electrical interference affecting ignition system
  • Addresses wear and degradation from heat and age

Installation Notes and Tips

When installing the Standard Ignition 6890 spark plug wire set, ensure that each wire is routed correctly to avoid contact with hot engine components or moving parts. Replace wires one at a time to maintain proper firing order and prevent confusion. Verify secure connections at both the spark plug and distributor or ignition coil ends for optimal performance.

Quality Assurance and Warranty

Standard Ignition manufactures this spark plug wire set to meet industry standards for durability and performance. While specific warranty details are not provided, Standard Ignition products typically undergo rigorous quality control to ensure reliability in automotive ignition systems.

This part fits 10 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
1988CadillacAllante4.1LV8N/A
1988CadillacDeVille4.5LV8N/A
1988CadillacEldorado4.5LV8N/A
1988CadillacFleetwood4.5LV8N/A
1988CadillacSeville4.5LV8N/A
1987CadillacAllante4.1LV8N/A
1987CadillacDeVille4.1LV8N/A
1987CadillacEldorado4.1LV8N/A
1987CadillacFleetwoodFWDN/A
1987CadillacSeville4.1LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12072121343903

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.