Denso 671-4145 Spark Plug Wire Set

Brand Denso 671-4145
Bushing Material 4
Distributor Coil End Terminal Type Male
Insulation Outside Diameter 5.00
Spark Plug Boot Material Sil PBT Sil
Spark Plug End Boot Degree 105
Spark Plug End Terminal Type FEMALE
Product line 5mm
Fits Toyota · 2 vehicles

OE-style fit. Matches factory wire sets in form, color, and performance.

Built to OE standards. Construction meets or exceeds original equipment requirements.

Silicone boot material. Helps deliver durable insulation and reliable spark transfer.

Cross-references ACDelco 944H, Airtex 2X1652 and Autolite 97021 for the same application. See all 14.

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Denso 671-4145 Spark Plug Wire Set

Denso 671-4145 is a spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It is a direct replacement for 1996-1997 Toyota RAV4 applications and uses OE-style construction to support consistent ignition transfer.

Key Features

  • OE-style replacement for 1996-1997 Toyota RAV4
  • 5mm insulation outside diameter for a compact wire profile
  • Sil PBT Sil spark plug boot material for heat-resistant construction
  • 105-degree spark plug end boot for routing in tight engine bays
  • Female spark plug end terminal type with male distributor/coil end terminal type
  • Built to meet or exceed OE/OES standards

Product Line Details

Denso First Time Fit ignition wire sets are engineered as direct-fit replacements for factory wire sets. The 5mm line focuses on OE-style dimensions and terminal design, making it a practical choice when restoring ignition performance on the Toyota RAV4 and other listed applications. Part number 671-4145 is also referenced by NAPA Mileage Plus 6714145 for the same application.

Detailed Description

This Denso spark plug wire set is made for drivers who need a precise replacement for worn or damaged ignition wires. The 105-degree spark plug boots help with routing around engine components, while the Sil PBT Sil boot material and 5mm insulation support dependable fitment and consistent electrical transfer. For 1996-1997 Toyota RAV4 service work, 671-4145 provides an OE-style solution that aligns with factory specifications.

What It Helps Solve

  • Misfires caused by cracked or deteriorated ignition wires
  • Hard starting related to weak spark delivery
  • Rough idle from inconsistent ignition transfer
  • Voltage leakage from aged wire insulation
  • Routing issues when replacing damaged factory wire sets

Installation Notes and Tips

Verify engine application before installation and match each wire to the original routing path. Confirm the female spark plug terminals and male distributor/coil end terminals are seated fully, and inspect plug boots for proper engagement after installation. For fitment, this part fits 1996-1997 Toyota RAV4, N/A.

Quality Assurance

Denso states that First Time Fit ignition wire sets are built to meet or exceed OE/OES standards and are produced to mirror factory-installed wire sets in form, fit, color, and performance. Part number 671-4145 is a direct replacement option for the listed Toyota RAV4 applications.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1997ToyotaRAV4N/A5mm
1996ToyotaRAV4N/A5mm
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 944HAirtex — 2X1652Autolite — 97021Belden — 700995Bosch — 09820CARQUEST — 35-4076GP - Guaranteed Parts — 5413Kem — 60_2727NAPA Mileage Plus — 6714145NGK — TE44PROConnect — 154013Sorensen — 51354STI — 802Wells — QW968