Reliable ReplacementDesigned for replacement or upgrade use
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Package Includes

Package details are shown in the product photos and variant options. Contact us before ordering if you need confirmation.

Shipping & Returns

Free shipping on orders over $30. Processing and delivery estimates are shown at checkout. Return requests are accepted according to store policy.

Compatibility guide

Model Specific

Listed compatibility: 2009-2014 Ford F-150, - F-150.

Ask Compatibility Support
Fit Type
Model Specific
Vehicle / Fitment
2009-2014 Ford F-150, - F-150
Year Range
2009-2014
Make
Ford
Model
F-150, - F-150
Position
Engine
Vehicle Use
Electrical & Sensors
Part Type
Automotive Replacement Switch
Reference / OE #
14B166-BA
MPN
AL3Z-14B166-BA
SKU
SD-AL3Z14B166BA-988394027072
Before ordering, compare:
  • Part number, OE/reference marking and product photos
  • Mounting points, shape, side and installation position
  • Connector shape, pin count and voltage for electrical parts
  • Vehicle year, make, model, trim and engine where applicable

This 4WD electronic locking differential switch is a replacement part compatible with selected 2009-2014 Ford F-150 models. It is designed to replace a worn, damaged, loose, or non-responsive E-Locker control switch knob and help restore proper 4WD and electronic locking differential control operation.

Features:
- Compatible with selected 2009-2014 Ford F-150 models
- Replacement for part numbers: AL3Z-14B166-BA, AL3Z14B166BA
- Also commonly referenced as a 4WD electronic locking differential switch or E-Locker control switch knob
- Helps control 4WD and electronic locking differential functions on equipped vehicles
- Dashboard-mounted rotary switch knob design
- Suitable for replacing a faulty, damaged, worn, or broken 4x4 control switch
- Direct replacement style for easier installation
- Built for vehicles equipped with electronic locking differential system

Package Includes:
- 1 x 4WD Electronic Locking Differential Switch

Note:
Please verify the part number, vehicle model, year, drivetrain type, electronic locking differential option, connector type, switch icons, and original switch appearance before purchase. Compatibility may vary by trim level, 4WD system, cab configuration, and equipment package. This is a 4WD / electronic locking differential control switch, not a storage locker switch or complete transfer case control module. Professional installation is recommended. This is a replacement part compatible with Ford vehicles and is not an official Ford-branded product unless specifically stated.

Product FAQ

Fitment summary: Automotive Replacement Switch; OE/OEM AL3Z-14B166-BA, F-150, AL3Z14B166BA, 988394027072; compatible with Ford F-150. Verify the OE/OEM number and connector before ordering.

Will this Automotive Replacement Switch fit my vehicle?

This Automotive Replacement Switch is intended for vehicles that match OE/OEM part number(s) AL3Z-14B166-BA, F-150, AL3Z14B166BA, 988394027072. Confirm your vehicle brand, model, year range, engine/trim, connector and installation position before ordering.

How do I confirm compatibility for AL3Z-14B166-BA, F-150, AL3Z14B166BA, 988394027072?

Check the number printed on your original part and compare it with this listing's SKU, MPN, OE/OEM numbers and product photos. OE number matching is usually more reliable than matching by model name only.

What vehicles is this Automotive Replacement Switch commonly associated with?

Fitment references from this listing indicate compatibility with Ford; model reference: F-150; year reference: 2009-2014, 2009, 2014; engine/trim reference: the matching engine or trim. Fitment can still vary by market and trim.

What should I compare before ordering this Automotive Replacement Switch?

Compare connector shape, pin count, button layout, mounting clips, side/location, and housing shape. For this listing, also verify the matching installation position and Match original connector shape and pin count. If any detail differs from your original part, contact us before installation.

What symptoms can a failing Automotive Replacement Switch cause?

A failing or incorrect Automotive Replacement Switch may cause intermittent control response, no response from the controlled function, or electrical control faults. Symptoms alone do not confirm fitment, so verify the OE/OEM number and physical part details first.

Can I send my VIN or original part photo for fitment help?

Yes. Email your VIN, original OE/OEM part number, vehicle year/make/model/engine, product link and clear photos of the original part and connector to info@NexuParts.com.

Is this an OEM or genuine branded part?

No. This is an aftermarket replacement auto part supplied by NexuParts. Brand names and vehicle names are used only to describe compatibility.

What should I check before installation?

Before installation, compare the new part with your original part side by side, especially connector shape, pin count, button layout, mounting clips, side/location, and housing shape. Installed, modified, damaged, or used electrical parts may not be eligible for return unless defective or incorrectly shipped.

Product Type
Automotive Replacement Switch
Part Type
Automotive Replacement Switch
Category Group
Lighting & Electrical
Category
Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts > Motor Vehicle Power & Electrical Systems
SKU
SD-AL3Z14B166BA-988394027072
MPN
AL3Z-14B166-BA
Reference / OE #
14B166-BA
Additional Reference #
14B166-BA
Weight
120.0 g
Condition
new
Dimensions / Size
28
Install Level
Easy
Purpose
Cosmetic
Availability
In Stock
Brand / Seller
NexuParts

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Standard Shipping

Free shipping on orders over $30. Orders below $30 ship for $5.99. Estimated delivery is usually 7-20 business days after dispatch.

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Express Shipping

Express shipping is available for $26.88 where supported. Estimated delivery is usually 3-7 business days after dispatch.

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Processing & Warehouse

Processing usually takes 1-3 business days. Orders ship from the NexuParts China warehouse when inventory is available.

Item Weight
120.0 g
Returns

Return requests are accepted within 30 days after delivery for unused, uninstalled parts in original packaging.

Return & Refund Policy

Customs duties, taxes or local fees may apply and are the buyer's responsibility unless required by law.