Dayco 4PK912EE Serpentine Belt - Air Conditioning

Dayco 4PK912EE Serpentine Belt Overview

The Dayco 4PK912EE is an EPDM serpentine belt for accessory drive applications on select Ford and Lincoln vehicles. It is listed as superseding E040350 and is used in air conditioning and water pump positions where an elastic self-tensioning belt is specified.

Built to SAE J1459 standards, this black 4-rib belt uses a K-section profile with a straight rib design for consistent belt tracking. The 4PK912EE measures 35.906 inches effective length and 0.54 inches top width, with EPDM4 construction for accessory drive service.

Key Features

• Dayco 4PK912EE serpentine belt for accessory drive system service
• Supersedes E040350 for the listed applications
• EPDM4 material for durable belt construction
• 4-rib, K-section profile with straight rib design
• 35.906-inch effective length and 0.54-inch top width
• Black finish with SAE J1459 compliance
• Fits air conditioning and water pump positions on select Ford and Lincoln models

Application Details

This Dayco serpentine belt is used on 2013-2020 Ford Fusion air conditioning applications, 2013-2020 Lincoln MKZ air conditioning applications, 2015-2019 Ford Edge air conditioning applications, 2014-2019 Ford Explorer air conditioning applications, 2013-2017 Ford Taurus air conditioning applications, 2013-2016 Lincoln MKT air conditioning applications, and 2023 Lincoln Navigator water pump applications. It also fits the 2013 Ford Explorer air conditioning application with the noted installation-tool requirement and Dayco Part 93875 reference. The 4PK912EE part number appears in listings for these elastic self-tensioning belt applications and is a direct replacement path for E040350.

This belt is specified for vehicles that use an elastic self-tensioning accessory drive belt, including Ford Fusion and Lincoln MKZ fitments where the air conditioning drive requires the correct rib count and effective length. For buyers searching by vehicle, Dayco 4PK912EE is a direct fit reference for select Ford Explorer and Lincoln Navigator service positions listed above.

Common Problems This Belt Can Address

• Cracked, glazed, or worn accessory drive belt surfaces
• Squealing or chirping from a belt that no longer tracks correctly
• Loss of proper drive for the air conditioning compressor
• Water pump drive service on the listed Lincoln Navigator application
• Replacement of a superseded E040350 belt reference

Installation Notes

Verify the rib count, effective length, and application position before installation. This belt is listed as an elastic self-tensioning belt for several Ford and Lincoln applications, and some fitments note that an installation tool is required. Confirm the vehicle year, model, and accessory position against the fitment data before ordering or installing the 4PK912EE.

Quality Assurance

Dayco manufactures this belt to SAE J1459 standards using EPDM4 construction for accessory drive service. The 4PK912EE is cataloged as a supersession of E040350, which helps simplify replacement selection for the listed Ford Fusion, Ford Explorer, and Lincoln MKZ applications.