How to replace the Air Bag Sensor Rear LH on 2004 Toyota 4Runner?

Begin the Air Bag Sensor Rear LH replacement by taking safety precautions then removing the negative battery terminal. The service process requires removal of the Tonneau Cover Retractor Sub-Assembly and Deck Board Assy along with Rear Floor Mat Support Plate Rear, Deck Floor Box LH, Rear Door Scuff Plate LH, Rear Door Opening Trim Weather Strip LH, Lap Belt Outer Anchor Cover Rear No.1 Seat, Deck Trim Side Board Upr LH and Panel Assy, Deck Trim Side, LH. Start by disconnecting the sensor connector from the Air Bag Sensor Rear LH while removing its two attaching nuts to extract the device. To install the Air Bag Sensor Rear LH position the new sensor before fastening it using the 2 nuts which should reach a torque of 17.5 N.m (178 kgf.cm, 13 ft.lbf). Follow this step by reconnecting the sensor along with its related hardware which needs to be properly installed before performing the connector connection. Replace the sensor assembly with a new unit in case the assembly has experienced drops or sustained any observable damage. The SRS wiring needs to be checked for clearance from other components and proper installation should avoid cable pinching. Perform post-installation checks by shaking the sensor assembly and inspect the Rear LH Air Bag Sensor together with the SRS warning light condition.

OEM 2004 Toyota 4Runner Air Bag Sensor

Air Bag Impact Sensor

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2004 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 2004 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2004 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.
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Fits the following 2004 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2004 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 2004 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2004 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
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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 2004 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2004 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 2004 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
View related parts
2004 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 2004 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
View related parts
2004 Toyota 4Runner Position Sensor, Driver Side
Part Number: 89178-0W010
$79.24 MSRP: $111.22
You Save: $31.98 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Seat Position; Seat Track Position Sensor, Left; Air Bag Sensor; Seat; Sensor, Seat Position Air Bag
- Position: Driver Side
- Part Name Code: 89178A
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.1 x 1.6 x 1.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89178-0W010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota 4Runner Submodels:
- Limited, Sport, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS

2004 Toyota 4Runner Air Bag Sensor

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2004 Toyota 4Runner Parts Questions & Experts Answers

Q: How to replace the Air Bag Sensor Rear LH on 2004 Toyota 4Runner?
A: Begin the Air Bag Sensor Rear LH replacement by taking safety precautions then removing the negative battery terminal. The service process requires removal of the Tonneau Cover Retractor Sub-Assembly and Deck Board Assy along with Rear Floor Mat Support Plate Rear, Deck Floor Box LH, Rear Door Scuff Plate LH, Rear Door Opening Trim Weather Strip LH, Lap Belt Outer Anchor Cover Rear No.1 Seat, Deck Trim Side Board Upr LH and Panel Assy, Deck Trim Side, LH. Start by disconnecting the sensor connector from the Air Bag Sensor Rear LH while removing its two attaching nuts to extract the device. To install the Air Bag Sensor Rear LH position the new sensor before fastening it using the 2 nuts which should reach a torque of 17.5 N.m (178 kgf.cm, 13 ft.lbf). Follow this step by reconnecting the sensor along with its related hardware which needs to be properly installed before performing the connector connection. Replace the sensor assembly with a new unit in case the assembly has experienced drops or sustained any observable damage. The SRS wiring needs to be checked for clearance from other components and proper installation should avoid cable pinching. Perform post-installation checks by shaking the sensor assembly and inspect the Rear LH Air Bag Sensor together with the SRS warning light condition.