How to replace the Side Air Bag Sensor Assy LH on 2003 Toyota 4Runner?

Start by disconnecting the negative battery terminal and then proceed with removing the front and rear door scuff plates together with front and rear door opening trim Weather Strips. Begin sensor replacemnt by first removing the lap belt outer anchor cover and secondly taking off the center pillar garnish lower LH. Separate the front seat outer belt assy LH and the side air bag sensor assy LH from installation by removing 2 nuts and disconnecting the connector. A diagnostic worker should check the side air bag sensor assy LH before repairs occur through proper cycling of the side Air Bag sensor connector and attachment of the 2 nuts which must be torqued at 17.5 N.m (178 kgf.cm, 13 ft.lbf). To ensure a proper installation the sensor assembly needs to be present when installing the connector while thoroughly checking the sensor assembly for damage alongside validating that the SRS wiring maintains clearance from nearby components. Post-installation confirmation of sensor assembly security should be achieved through assembly shaking. Following front seat outer belt installation on the left hand side you should tighten upper and lower bolts with torques of 7.5 N.m (76 kgf.cm, 66 in.lbf) and 42 N.m (420 kgf.cm, 31 ft.lbf) respectively before checking the SRS warning light.

OEM 2003 Toyota 4Runner Air Bag Sensor

Air Bag Impact Sensor

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2003 Toyota 4Runner Position Sensor, Passenger Side
Part Number: 89178-06020
$79.24 MSRP: $111.22
You Save: $31.98 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Seat Position; Seat Track Position Sensor, Left, Right; Air Bag Sensor; Occupant Sensor; Seat; Sensor, Seat Position Air Bag
- Position: Passenger Side
- Part Name Code: 89178A
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.1 x 1.6 x 1.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89178-06020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2003 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2003 Toyota 4Runner Sensor, Air Bag, Front Passenger Side
Part Number: 89173-39335
$98.82 MSRP: $119.14
You Save: $20.32 (18%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Air Bag, Front; Sensor, Air Bag, Front Driver Side; Air Bag Sensor
- Manufacturer Note: TYPE A:REFER ILLUST.
- Position: Front
- Item Weight: 0.70 Pounds
- Item Dimensions: 4.5 x 3.0 x 2.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89173-39335
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2003 Toyota 4Runner Side Impact Sensor, Passenger Side
Part Number: 89860-35010
$194.66 MSRP: $238.73
You Save: $44.07 (19%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Side Air Bag; Air Bag Impact Sensor, Right; Air Bag Sensor; Side Sensor; Sensor Assembly, Side Air Bag, Passenger Side
- Position: Passenger Side
- Part Name Code: 89860
- Item Weight: 0.60 Pounds
- Item Dimensions: 4.3 x 2.6 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89860-35010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2003 Toyota 4Runner Side Impact Sensor, Driver Side
Part Number: 89830-35010
$191.37 MSRP: $234.70
You Save: $43.33 (19%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly, Side Air Bag; Air Bag Impact Sensor, Left; Air Bag Sensor; Side Sensor; Sensor Assembly, Side Air Bag, Driver Side
- Position: Driver Side
- Part Name Code: 89860A
- Item Weight: 0.60 Pounds
- Item Dimensions: 4.3 x 2.6 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89830-35010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
View related parts
2003 Toyota 4Runner Rear Sensor, Passenger Side
Part Number: 89833-35010
$120.97 MSRP: $171.24
You Save: $50.27 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Air Bag, Rear; Air Bag Impact Sensor, Rear Right; Air Bag Sensor; Sensor, Air Bag, Rear Passenger Side
- Position: Rear Passenger Side
- Part Name Code: 89833
- Item Weight: 0.60 Pounds
- Item Dimensions: 4.3 x 2.6 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89833-35010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
View related parts
2003 Toyota 4Runner Rear Sensor, Driver Side
Part Number: 89834-35010
$122.89 MSRP: $173.97
You Save: $51.08 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Bag, Rear; Air Bag Impact Sensor, Rear Left; Air Bag Sensor; Sensor, Air Bag, Rear Driver Side
- Position: Rear Driver Side
- Part Name Code: 89834
- Item Weight: 0.60 Pounds
- Item Dimensions: 4.4 x 2.6 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89834-35010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS

2003 Toyota 4Runner Air Bag Sensor

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2003 Toyota 4Runner Parts Questions & Experts Answers

Q: How to replace the Side Air Bag Sensor Assy LH on 2003 Toyota 4Runner?
A: Start by disconnecting the negative battery terminal and then proceed with removing the front and rear door scuff plates together with front and rear door opening trim Weather Strips. Begin sensor replacemnt by first removing the lap belt outer anchor cover and secondly taking off the center pillar garnish lower LH. Separate the front seat outer belt assy LH and the side air bag sensor assy LH from installation by removing 2 nuts and disconnecting the connector. A diagnostic worker should check the side air bag sensor assy LH before repairs occur through proper cycling of the side Air Bag sensor connector and attachment of the 2 nuts which must be torqued at 17.5 N.m (178 kgf.cm, 13 ft.lbf). To ensure a proper installation the sensor assembly needs to be present when installing the connector while thoroughly checking the sensor assembly for damage alongside validating that the SRS wiring maintains clearance from nearby components. Post-installation confirmation of sensor assembly security should be achieved through assembly shaking. Following front seat outer belt installation on the left hand side you should tighten upper and lower bolts with torques of 7.5 N.m (76 kgf.cm, 66 in.lbf) and 42 N.m (420 kgf.cm, 31 ft.lbf) respectively before checking the SRS warning light.