1988-1995 Toyota Pickup & 4Runner 3.0L 3VZ-E Genuine OEM Knock Sensor Wire

Genuine OEM Toyota Knock Sensor Wire

Replace your worn, brittle, or damaged knock sensor wire with a Genuine OEM Toyota Knock Sensor Wire designed specifically for 1988-1995 Toyota Pickup and Toyota 4Runner models equipped with the 3.0L 3VZ-E V6 engine. This OEM replacement wire provides the correct factory fit and dependable performance to keep your engine operating as Toyota intended. :contentReference[oaicite:0]{index=0}

The knock sensor wire is a critical part of your engine management system. It carries the signal from the knock sensor to the Engine Control Module (ECM), allowing the ECM to monitor engine detonation (spark knock) and automatically adjust ignition timing for maximum power, fuel economy, and engine protection.

After years of exposure to engine heat and oil, the original knock sensor wire commonly becomes brittle, cracked, or broken. A damaged wire can cause incorrect knock sensor readings, poor performance, hesitation, reduced fuel economy, ignition timing problems, and a Check Engine Light.

Replacing the harness with a Genuine OEM Toyota knock sensor wire restores a reliable electrical connection and helps protect your 3VZ-E engine from costly damage.

Features

Genuine OEM Toyota Part
Direct-fit replacement
Factory-style electrical connectors
Premium OEM wiring and insulation
Plug-and-play installation
Built to Toyota factory specifications
Restores proper knock sensor operation
Designed specifically for 3.0L 3VZ-E engines

Benefits

Restores accurate knock sensor signals
Helps maintain proper ignition timing
Improves engine performance
Helps maximize fuel economy
Protects your engine from harmful detonation
Reduces wiring-related diagnostic trouble codes
Long-lasting OEM quality and reliability

Vehicle Fitment

1988 Toyota Pickup 3.0L V6 (3VZ-E)
1989 Toyota Pickup 3.0L V6 (3VZ-E)
1990 Toyota Pickup 3.0L V6 (3VZ-E)
1991 Toyota Pickup 3.0L V6 (3VZ-E)
1992 Toyota Pickup 3.0L V6 (3VZ-E)
1993 Toyota Pickup 3.0L V6 (3VZ-E)
1994 Toyota Pickup 3.0L V6 (3VZ-E)
1995 Toyota Pickup 3.0L V6 (3VZ-E)
1988 Toyota 4Runner 3.0L V6 (3VZ-E)
1989 Toyota 4Runner 3.0L V6 (3VZ-E)
1990 Toyota 4Runner 3.0L V6 (3VZ-E)
1991 Toyota 4Runner 3.0L V6 (3VZ-E)
1992 Toyota 4Runner 3.0L V6 (3VZ-E)
1993 Toyota 4Runner 3.0L V6 (3VZ-E)
1994 Toyota 4Runner 3.0L V6 (3VZ-E)
1995 Toyota 4Runner 3.0L V6 (3VZ-E)

Symptoms of a Bad Knock Sensor Wire

Check Engine Light
Engine hesitation
Loss of power
Poor fuel economy
Incorrect ignition timing
Knock sensor diagnostic trouble codes
Damaged or brittle factory wiring
Hard starting or reduced engine performance

Recommended Parts

For the best results during your repair, we recommend replacing these related components while servicing your 3VZ-E engine:

Why Buy From ToyotaTruckEngine.com?

ToyotaTruckEngine.com has specialized in Toyota truck and 4Runner engines and engine parts since 1982. We stock quality OEM and premium replacement parts backed by knowledgeable customer service, competitive pricing, and fast nationwide shipping. Whether you're performing routine maintenance or a complete engine rebuild, we're committed to helping you get the job done right.

Warranty

1-Year Limited Warranty against defects in materials and workmanship. This Genuine OEM Toyota Knock Sensor Wire is manufactured to Toyota specifications for long-lasting reliability. :contentReference[oaicite:1]{index=1}

1 Year Limited Warranty This genuine OEM Toyota Knock Sensor Wire is backed by a 1-year limited warranty against defects in materials and workmanship. Designed as a direct-fit replacement for 1988-1995 Toyota Pickup and 4Runner models equipped with the 3.0L 3VZ-E V6 engine.