BOJACK YJF6178 bathroom fan motor improves venting with 70 CFM.
BOJACK YJF6178 replacement kit keeps bathroom ventilation running smoothly.
BOJACK YJF6178 paddle-style fan for durable airflow.
BOJACK YJF6178 motor with 8.661-inch wire and 2-prong plug.
BOJACK YJF6178 mounting studs 1.882 inches center enable flexible install.
BOJACK YJF6178 compatible with Nautilus and Broan models.
BOJACK YJF6178 continuous-duty air-over design supports steady ventilation.
BOJACK YJF6178 delivers 70 CFM for efficient bathroom exhaust.
BOJACK YJF6178 replacement kit offers easy, quiet operation.

BOJACK

BOJACK YJF6178 70 CFM Bathroom Vent Fan Motor Replacement Kit

High-performance tools and home improvement made for confident daily results

$37.11

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Why customers choose TaskHolt Tools

BOJACK YJF6178 Replacement Motor Kit for Bathroom Fans

The BOJACK YJF6178 is a universal replacement solution designed for reliable bathroom ventilation. It delivers 70 CFM at 120V / 60 Hz with a steady 3400±100 RPM, engineered for continuous-duty air-over operation. In real-world use, this combination supports efficient air exchange after showers and helps manage humidity levels in small to mid-sized baths without overstating results.

The kit includes a motor and a paddle-style fan, with practical wiring features to simplify installation. An 8.661-inch wire length with a 2-prong plug provides flexible routing options, while mounting studs spaced 1.882 inches on center offer adaptable mounting. The CW (clockwise) rotation direction, observed from the shaft driving side when powered, aligns with common ventilation layouts found in many homes.

This replacement is designed to cover multiple popular models, reducing the need for separate parts across projects. It is compatible with Nautilus N678, N655, N671, N679 as well as Broan models 671a, 671, 655, 657, 658, and 679, making it a versatile option for repairs or upgrades in existing bath fans.

What you get at a glance

  • Electrical and mechanical specs: 1.1 amps, 120V, 60 Hz, 70 CFM, CW rotation.
  • Includes: 1 x motor and 1 x paddle-style 6.6" fan for a complete replacement.
  • Wire length of 8.661 inches with a 2-prong plug for simple connections.
  • Mounting studs are 1.882 inches on center for flexible installation.

Fit, performance, and care

  • Designed for continuous-duty, air-over ventilation to support regular bathroom use.
  • Compatible with a broad range of common bath fan models to simplify repairs.
  • Rotation direction is clockwise when viewed from the shaft side, aligning with standard layouts.

For DIY repairs, the YJF6178 offers a straightforward replacement path with a compact footprint that can fit many housings. While it provides a robust motor and fan pairing, proper installation and routine inspection are advised to maintain performance over time.

FAQ

Q: What models does the BOJACK YJF6178 replacement kit fit?

A: Compatible with Nautilus N678, N655, N671, N679 and Broan 671a, 671, 655, 657, 658, 679 bathroom fans.

Q: What are the key electrical specs of the BOJACK YJF6178 motor?

A: 1.1 amps, 120V, 60 Hz, 70 CFM, CW rotation, suitable for continuous-duty venting.

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