How Should the Air Bag Supplemental Restraint System Be Inspected and Repaired After a Collision on 2004 Mercury Mountaineer?

Restoration of the supplemental restraint system (SRS) requires complete inspection after any system deployable device deployment during a crash involving air bags or pretensioners. When B1231 (Crash Data Memory Full) occurs maintenance requires complete replacement of all deployable devices followed by the installation of new ones and the replacement of impact sensors and restraint control module (RCM) units. The repair or replacement process must be conducted for impact sensor mounting points as well as hardware if it shows signs of damage. Replacing the Clock Spring becomes necessary if the driver air bag module experienced deployment because of the crash event. The inspection must include a thorough examination of the vehicle to check for damage in every component starting from steering column through instrument panel knee bolsters and their mounting points and instrument panel braces and brackets as well as instrument panel attachment elements and seats with their mounting brackets and safety belts and related safety belt parts and the SRS wiring system together with wiring harnesses and connectors. A proper inspection of the vehicle should commence following which every damaged component requires repair or replacement. Operation of the vehicle on a road requires complete removal of restraint system diagnostic tools and the SRS needs full functionality and no defects in order to return the vehicle to customers.

OEM 2004 Mercury Mountaineer Air Bag

Air Bag Module

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2004 Mercury Mountaineer Inflator Module
Part Number: 4L2Z-78043B13-BAB
Product Specifications
- Other Name: Module; Driver Air Bag
- Replaces: 2L2Z-78043B13-BAC
- Base No.: <043B13
- Item Weight: 4.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4L2Z-78043B13-BAB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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2004 Mercury Mountaineer Inflator Module
Part Number: 4L2Z-78043B13-BAA
Product Specifications
- Other Name: Module; Driver Air Bag
- Manufacturer Note: (-P*)
- Replaces: 2L2Z-78043B13-BAA
- Base No.: <043B13
- Item Weight: 4.90 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4L2Z-78043B13-BAA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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2004 Mercury Mountaineer Inflator Module
Part Number: 2L2Z-78044A74-DAC
Product Specifications
- Other Name: Module
- Manufacturer Note: (-M*)
- Base No.: <044A74
- Item Weight: 12.20 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 2L2Z-78044A74-DAC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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2004 Mercury Mountaineer Passenger Air Bag
Part Number: 2L2Z-78044A74-DAB
Product Specifications
- Other Name: Module
- Manufacturer Note: (-T*)
- Base No.: <044A74
- Item Weight: 12.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 2L2Z-78044A74-DAB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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2004 Mercury Mountaineer Inflator Module, Passenger Side
Part Number: 2C5Z-78042D94-AA
Product Specifications
- Other Name: Curtain Assembly; Curtain Air Bag, Right; Head Air Bag
- Position: Passenger Side
- Replaces: 1L2Z-78544A74-AA
- Base No.: <042D94
- Item Weight: 10.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 2C5Z-78042D94-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
2004 Mercury Mountaineer Inflator Module, Driver Side
Part Number: 2C5Z-78042D95-AA
Product Specifications
- Other Name: Module - Air Bag; Curtain Air Bag, Left; Head Air Bag
- Position: Driver Side
- Replaces: 1L2Z-78544A75-AA
- Base No.: <042D94
- Item Weight: 5.10 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 2C5Z-78042D95-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS

2004 Mercury Mountaineer Air Bag

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2004 Mercury Mountaineer Air Bag available at FordPartsDeal.com. You can confidently purchase our OEM 2004 Mercury Mountaineer Air Bag as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2004 Mercury Mountaineer Air Bag Parts Questions & Experts Answers

Q: How Should the Air Bag Supplemental Restraint System Be Inspected and Repaired After a Collision on 2004 Mercury Mountaineer?
A: Restoration of the supplemental restraint system (SRS) requires complete inspection after any system deployable device deployment during a crash involving air bags or pretensioners. When B1231 (Crash Data Memory Full) occurs maintenance requires complete replacement of all deployable devices followed by the installation of new ones and the replacement of impact sensors and restraint control module (RCM) units. The repair or replacement process must be conducted for impact sensor mounting points as well as hardware if it shows signs of damage. Replacing the Clock Spring becomes necessary if the driver air bag module experienced deployment because of the crash event. The inspection must include a thorough examination of the vehicle to check for damage in every component starting from steering column through instrument panel knee bolsters and their mounting points and instrument panel braces and brackets as well as instrument panel attachment elements and seats with their mounting brackets and safety belts and related safety belt parts and the SRS wiring system together with wiring harnesses and connectors. A proper inspection of the vehicle should commence following which every damaged component requires repair or replacement. Operation of the vehicle on a road requires complete removal of restraint system diagnostic tools and the SRS needs full functionality and no defects in order to return the vehicle to customers.