How to replace the Knock Sensor on 2003 Toyota 4Runner?

To replace the Knock Sensor, remove the cylinder head sub-assembly and heater water inlet hose A. Take off water outlet pipe N0.1, then disconnect and unscrew the 2 knock sensors. Reinstall the sensors, water outlet pipe, and reconnect hoses, ensuring proper torque specifications.

OEM 2003 Toyota 4Runner Knock Sensor

Engine Knock Sensor

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2003 Toyota 4Runner Knock Sensor
Part Number: 89615-06010
$138.05 MSRP: $195.42
You Save: $57.37 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Knock Control; Ignition Knock (Detonation) Sensor
- Replaces: 89615-BZ030, 89615-20090, 89615-BZ040
- Part Name Code: 89615
- Item Weight: 0.40 Pounds
- Item Dimensions: 4.1 x 1.9 x 1.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89615-06010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota 4Runner Submodels:
- 40th Anniversary Edition, Limited, Nightshade, Sport, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2003 Toyota 4Runner Knock Sensor
Part Number: 89615-52010
$152.39 MSRP: $215.72
You Save: $63.33 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor, Knock Control; Ignition Knock (Detonation) Sensor
- Manufacturer Note: MATSUSHITA
- Replaces: 89615-12030, 89615-22050
- Part Name Code: 89615
- Item Weight: 0.50 Pounds
- Item Dimensions: 13.5 x 12.1 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89615-52010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 8 Cyl 4.7 L GAS

2003 Toyota 4Runner Knock Sensor

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2003 Toyota 4Runner Knock Sensor Parts Q&A

Q: How to replace the Knock Sensor on 2003 Toyota 4Runner?
A: To replace the Knock Sensor, remove the cylinder head sub-assembly and heater water inlet hose A. Take off water outlet pipe N0.1, then disconnect and unscrew the 2 knock sensors. Reinstall the sensors, water outlet pipe, and reconnect hoses, ensuring proper torque specifications.

Related 2003 Toyota 4Runner Parts

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2002 Toyota 4Runner Knock Sensor 2004 Toyota 4Runner Knock Sensor