Denso
6 Boots

Denso 671-6314 Direct Ignition Coil Boot Kit

Brand Denso 671-6314
Boot Color Black
Boot Material Silicone
Length 053.50
Terminal Gender Female
Terminal Quantity 1
Product line 6 Boots
Fits Kia · 8 vehicles

OE direct replacement. Matches factory-installed boots in form, fit, color, and performance.

Silicone boots. Flexible material helps resist heat and wear.

Factory-standard construction. Built to meet or exceed OE/OES standards.

Cross-references Belden 702516, GP - Guaranteed Parts SPP135E and NAPA Mileage Plus 6716314 for the same application. See all 3.

$54.85Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $54.85
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Denso Direct Ignition Coil Boot Kit

Denso 671-6314 is a direct ignition coil boot kit built for OE-style service on select Kia applications. It uses silicone boot material and a black finish, with a female terminal and a 53.50 length specification for proper coil boot replacement.

Denso First Time Fit COP boot sets are made to match factory-installed boots in form, fit, color, and performance. The 671-6314 boot kit is engineered to meet or exceed OE/OES standards for consistent ignition service on Kia Optima and Kia Rondo models.

  • Direct ignition coil boot kit for ignition service
  • Silicone boot material for heat-resistant construction
  • Black boot color with female terminal design
  • Length: 53.50
  • OE-style fit and performance from Denso First Time Fit
  • Cross-references NAPA Mileage Plus 6716314 for the same application

Fitment Details

Compatible With 2008-2010 Kia Optima, N/A. Compatible With 2007-2010 Kia Rondo, N/A. Compatible With 2007 Kia Optima, N/A, from 9/11/06.

Use Denso 671-6314 when replacing worn or damaged coil boots on these Kia ignition systems. This part number is also referenced as 671-6314 in Denso catalogs, making it easier to confirm the correct OE-style boot set for the listed vehicles.

Common Issues This Part Addresses

  • Cracked or heat-aged ignition coil boots
  • Misfire concerns caused by poor boot insulation
  • Moisture intrusion at the coil-to-spark plug connection
  • Hard starting or rough running linked to worn boots
  • Loss of ignition performance from deteriorated boot material

Installation Notes and Tips

Inspect the ignition coil and spark plug well before installation, and replace any boot showing carbon tracking, tearing, or hardening. Confirm the terminal style and boot length match the original part before service. For best results, install on the exact Kia Optima or Kia Rondo application listed for Denso 671-6314.

Quality Assurance

Denso First Time Fit COP boot sets are built to OE/OES standards and are intended to match factory-installed components in fit and performance. The 671-6314 part number is supported by Denso’s OE-style manufacturing approach for consistent ignition service.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2010KiaOptimaN/A6 Boots
2010KiaRondoN/A6 Boots
2009KiaOptimaN/A6 Boots
2009KiaRondoN/A6 Boots
2008KiaOptimaN/A6 Boots
2008KiaRondoN/A6 Boots
2007KiaOptimaN/AFrom 9/11/06; 6 Boots
2007KiaRondoN/A6 Boots
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Belden — 702516GP - Guaranteed Parts — SPP135ENAPA Mileage Plus — 6716314