4 Leg Flex Mount Bracket Kit for Up To 5-5/8" Diameter Motors, MB554

4‑Leg Flex Mount Bracket Kit | MB554 | OEM‑Style Replacement

Secure and stabilize your motor installation with this brand‑new 4‑Leg Flex Mount Bracket Kit (MB554), designed for motors up to 5‑5/8" diameter. Built for applications requiring a 9" or 10" bolt circle diameter, this bracket features four evenly spaced mounting legs positioned at 90° angles for balanced support and reduced vibration.

Includes high‑quality grommets and eyelets to ensure proper isolation, alignment, and long‑lasting performance in HVAC, blower, and general motor applications.

⚙️ Key Features

• Compatible with motors up to 5‑5/8" diameter
• Designed for 9" or 10" bolt circle applications
• 4‑leg configuration with legs spaced at 90° for balanced mounting
• Includes grommets and eyelets for complete installation
• Durable steel construction for long service life
• Condition: Brand New – Unused

Replaces Part Numbers

MB554
No additional OEM part numbers listed.

Fits Models

Universal mounting kit — compatible with most motors up to 5‑5/8" diameter using 9" or 10" bolt circle patterns.
Commonly used in HVAC blowers, fans, and general motor installations.

Common Fixes

• Motor vibration or excessive noise
• Worn, cracked, or missing mounting grommets
• Loose or unstable motor installation
• Misaligned motor causing premature bearing wear
• Replacement of rusted or outdated mounting brackets

️ Installation Tips

• Disconnect power before servicing any motor assembly
• Remove old bracket and inspect mounting surfaces for wear or damage
• Install new grommets and eyelets securely before mounting the motor
• Ensure all four legs are tightened evenly for proper alignment
• Verify motor spins freely without contacting the housing
• Test system for vibration and adjust mounting tension if needed

Upgrade or restore your motor mounting system with this OEM‑style MB554 4‑leg flex mount bracket kit — complete with grommets and eyelets for a secure, vibration‑reducing installation.