Ametek Lamb Motor Stationary Fan Part #31231
Review: 5 - "A masterpiece of literature" by , written on May 4, 2006
I really enjoyed this book. It captures the essential challenge people face as they try make sense of their lives and grow to adulthood.

Ametek Lamb Motor Stationary Fan Part #31231

Available: In Stock
Image
  • Order within

Ametek Lamb Motor Stationary Fan – Part #31231

OEM-Quality Replacement for 5.7" Vacuum Motors


Product Introduction

Keep your vacuum motor running at peak efficiency with the Ametek Lamb Stationary Fan – Part #31231. This genuine replacement part is engineered to fit a wide range of Ametek Lamb 5.7" vacuum motors, delivering consistent airflow and superior reliability. Whether you're repairing a commercial vacuum or a central vac system, this stationary fan is the go-to solution for professionals and DIYers alike.


Key Features Overview

  • OEM-Compatible Replacement – Precisely manufactured to match Ametek Lamb motor specs.

  • Durable Construction – Built from high-quality molded plastic for long-term performance.

  • Easy to Install – Slip-on design fits standard 5.7” motors with no special tools required.

  • Reliable Performance – Maintains optimal airflow and cooling for vacuum motor efficiency.

  • Made in the USA – Manufactured to high standards with proven quality control.


What Makes This Model Stand Out

The Ametek Lamb 31231 stationary fan stands out due to its exact OEM design, ensuring a perfect fit without modifications. It’s compatible with dozens of Ametek motor models, including legacy and newer systems. Unlike generic aftermarket fans, the 31231 is precision-molded for balance, reducing vibration and extending motor life. It’s a trusted choice for technicians who demand durability and consistency.


Technical Specifications

Specification Details
Part Number 31231
Product Type Stationary Fan / Impeller
Fan Diameter 4.125 inches (approx.)
Motor Housing Fit 5.7 inches
Material Molded plastic (OEM-grade)
Application Vacuum motor cooling / air movement
Country of Origin USA
Installation Slip-on (press-fit with locking feature)
Compatible Motors 115744, 116210-50, 116432, 116227, etc.


Ideal Buyers – Who Should Buy It?

This product is ideal for:

  • 🧰 Vacuum Repair Technicians – Needing reliable OEM parts for repairs.

  • 🏭 Industrial Maintenance Teams – Ensuring uptime of cleaning equipment.

  • 🏠 Homeowners – Repairing or upgrading central vacuum systems.

  • 🛒 Retailers and Distributors – Stocking a frequently requested replacement part.

  • 🛠 DIY Enthusiasts – Looking for plug-and-play replacement parts for Ametek vacuum motors.


Availability – Online and In-Store

🛍 Buy Online:

  • In stock and ready to ship from multiple U.S. Options for ground shipping .

  • Most stores offer free U.S. shipping and bulk order discounts.

🏬 In-Store:

  • Available through select appliance repair outlets and industrial supply stores.

  • Use your ZIP code to check local availability.


Comparison Table

Model Part #31231 Part #31340 Part #31358 Part #31253
Coating No Epoxy-Coated No No
Louvers Standard Standard 21 Louvers 42 Louvers
Application Standard Use High-Dust Use Quiet Operation High Air Volume


Pros and Cons

✅ Pros:

  • Exact fit for OEM motors

  • Cost-effective part replacement

  • Easy installation

  • U.S.-made, high-quality material

  • Compatible with a broad range of motor models

⚠️ Cons:

  • Plastic may not suit extreme industrial conditions

  • Only fits 5.7" Ametek motors

  • Does not include mounting hardware (reuses existing parts)


Ametek Lamb Motor Stationary Fan – Part #31231

OEM-Quality Replacement for 5.7" Vacuum Motors


Product Introduction

Keep your vacuum motor running at peak efficiency with the Ametek Lamb Stationary Fan – Part #31231. This genuine replacement part is engineered to fit a wide range of Ametek Lamb 5.7" vacuum motors, delivering consistent airflow and superior reliability. Whether you're repairing a commercial vacuum or a central vac system, this stationary fan is the go-to solution for professionals and DIYers alike.


Key Features Overview

  • OEM-Compatible Replacement – Precisely manufactured to match Ametek Lamb motor specs.

  • Durable Construction – Built from high-quality molded plastic for long-term performance.

  • Easy to Install – Slip-on design fits standard 5.7” motors with no special tools required.

  • Reliable Performance – Maintains optimal airflow and cooling for vacuum motor efficiency.

  • Made in the USA – Manufactured to high standards with proven quality control.


What Makes This Model Stand Out

The Ametek Lamb 31231 stationary fan stands out due to its exact OEM design, ensuring a perfect fit without modifications. It’s compatible with dozens of Ametek motor models, including legacy and newer systems. Unlike generic aftermarket fans, the 31231 is precision-molded for balance, reducing vibration and extending motor life. It’s a trusted choice for technicians who demand durability and consistency.


Technical Specifications

Specification Details
Part Number 31231
Product Type Stationary Fan / Impeller
Fan Diameter 4.125 inches (approx.)
Motor Housing Fit 5.7 inches
Material Molded plastic (OEM-grade)
Application Vacuum motor cooling / air movement
Country of Origin USA
Installation Slip-on (press-fit with locking feature)
Compatible Motors 115744, 116210-50, 116432, 116227, etc.


Ideal Buyers – Who Should Buy It?

This product is ideal for:

  • 🧰 Vacuum Repair Technicians – Needing reliable OEM parts for repairs.

  • 🏭 Industrial Maintenance Teams – Ensuring uptime of cleaning equipment.

  • 🏠 Homeowners – Repairing or upgrading central vacuum systems.

  • 🛒 Retailers and Distributors – Stocking a frequently requested replacement part.

  • 🛠 DIY Enthusiasts – Looking for plug-and-play replacement parts for Ametek vacuum motors.


Availability – Online and In-Store

🛍 Buy Online:

  • In stock and ready to ship from multiple U.S. Options for ground shipping .

  • Most stores offer free U.S. shipping and bulk order discounts.

🏬 In-Store:

  • Available through select appliance repair outlets and industrial supply stores.

  • Use your ZIP code to check local availability.


Comparison Table

Model Part #31231 Part #31340 Part #31358 Part #31253
Coating No Epoxy-Coated No No
Louvers Standard Standard 21 Louvers 42 Louvers
Application Standard Use High-Dust Use Quiet Operation High Air Volume


Pros and Cons

✅ Pros:

  • Exact fit for OEM motors

  • Cost-effective part replacement

  • Easy installation

  • U.S.-made, high-quality material

  • Compatible with a broad range of motor models

⚠️ Cons:

  • Plastic may not suit extreme industrial conditions

  • Only fits 5.7" Ametek motors

  • Does not include mounting hardware (reuses existing parts)


Frequently Asked Questions 

  1. Will this fan fit my 5.7" Ametek motor?
    Yes, if your motor model is listed in the compatibility list. Always verify your motor's part number.

  2. What does a stationary fan do in a vacuum motor?
    It directs airflow for motor cooling and suction efficiency.

  3. Is this an original Ametek part?
    Yes, this is an OEM-compatible stationary fan made to Ametek Lamb specs.

  4. How do I install the 31231 fan?
    Simply slide it onto the motor shaft. It’s a friction-fit and may require securing with a retaining clip.

  5. What’s the diameter of the fan?
    Approximately 4.125 inches (fits in a 5.7” motor housing).

  6. Is the fan pre-balanced?
    Yes, it’s molded to exact tolerances to prevent vibration.

  7. Can this fan reduce motor noise?
    Not specifically—choose part #31358 or 31253 if quieter operation is a priority.

  8. Does it include mounting hardware?
    No, reuse your motor’s original clip or fastener.

  9. Can I use this on a 7.2” Ametek motor?
    No, this fan is only compatible with 5.7” motor models.

  10. Is epoxy coating available?
    Yes, choose part #31340 for an epoxy-coated version.

  11. Where is it made?
    Manufactured in the USA to strict quality standards.

  12. Do I need a technician to install it?
    No, installation is simple and suitable for DIY repair.

  13. What happens if it’s not compatible?
    Most retailers offer returns/refunds—check their policies before purchase.

  14. How long does it last?
    Under normal conditions, this fan lasts the full lifespan of the motor.

  15. Can it be used in central vacuum systems?
    Yes, it is widely used in residential and commercial central vacuum systems using Ametek motors.

Visit Our Showrooms

Check real-time traffic and travel time from your location in VA, DC, or MD.

📍 AceVacuums Fairfax (DMV Hub)

Address: 11110 Main St, Fairfax, VA 22030
Landmark: Opposite Havertys Furniture Store
Best for: Bethesda, Potomac, Arlington, NW Washington D.C.

Get Real-Time Traffic & Directions

📍 AceVacuums Leesburg

Address: 300 Fort Evans Rd NE, Suite 104, Leesburg, VA 20176
Landmark: Next to Home Depot in Leesburg
Best for: Ashburn, Sterling, Frederick MD, Loudoun County

Get Real-Time Traffic & Directions
Shipping, Return & Refund Policy | AceVacuums

Clear Shipping Standards • Return Guidance • Refund Timing

Shipping, Return & Refund Policy

AceVacuums wants customers to understand shipping expectations, return requirements, and refund timing clearly before placing an order. This page explains how order processing, shipping, return authorization, exchanges, damaged-item reporting, and refunds are generally handled.

Our goal is to keep policy information easy to read, professionally structured, and fair to both the customer and the condition standards required for product resale and support.

Fast In-Stock Processing
Return Authorization Required
Condition-Based Review
Damage Reporting Guidance
Refunds After Inspection

How to Use This Policy Page

This page is designed as a single policy center for customers who want a clearer summary of shipping, return, and refund expectations before ordering from AceVacuums.

Product category, item condition, packaging completeness, reporting speed, carrier timing, and whether a product is opened, used, installed, or special-order can all affect the final policy outcome.

Shipping Policy

AceVacuums aims to process and ship eligible in-stock orders as quickly as possible so customers are not left waiting unnecessarily for common vacuum products, parts, bags, filters, or accessories. The live page currently presents this as a shipping-and-return page, so this combined format preserves that structure in a cleaner layout. :contentReference[oaicite:0]{index=0}

Order processing

Eligible in-stock orders placed before the daily business-day cutoff are generally processed the same day. Orders placed after the cutoff, on weekends, or on holidays are generally processed on the next business day.

Shipping timing can vary

Final shipping and delivery timing may be affected by carrier performance, weather, inventory confirmation, order verification, holidays, or whether the item is special-order or temporarily unavailable.

Tracking and delivery

Once an order ships, delivery timing is generally controlled by the carrier. Customers should monitor tracking updates and inspect packages promptly after arrival.

Return Policy

AceVacuums wants customers to understand return expectations clearly before placing an order. Returns are reviewed based on timing, item condition, product category, and whether the merchandise remains complete and resale-ready.

Return authorization is required

All returns must be requested and approved by AceVacuums before the item is sent back. Unauthorized returns may be refused.

Standard return window

Eligible items should generally be reported for return within 30 days of delivery unless another condition is stated on the product page, invoice, or at the time of purchase.

Condition matters

Original packaging, manuals, accessories, cleanliness, and overall condition affect whether a return can be accepted and on what terms.

Opened or used items: Opened, installed, assembled, or used products may be subject to inspection, reduced refund eligibility, restocking fees, exchange limits, or denial depending on category and condition.

Non-Returnable or Final-Sale Items

Certain products may be non-returnable or final sale depending on category, condition, installation status, or product-specific rules.

Used vacuums
Installed items
Special-order or custom-order products
Electrical parts
Used bags, filters, belts, or consumables
Items marked final sale

Damaged, Defective, Incorrect, or Missing Items

If an order arrives damaged, defective, incomplete, or incorrect, contact AceVacuums as soon as possible after delivery. The current live policy page already combines shipping and return expectations, so this section clarifies the issue-reporting path customers most often need. :contentReference[oaicite:1]{index=1}

What customers should do

  • Inspect the shipment promptly
  • Keep all original packaging
  • Take clear photos if damage is visible
  • Provide the order number and issue summary

Why prompt reporting matters

Problems reported quickly are easier to document and investigate. Delayed reporting can reduce available resolution options depending on the issue and the carrier timeline.

Refund Policy

Refunds are issued after inspection

Refunds are generally issued only after the returned item is received, inspected, and approved by AceVacuums.

Possible deductions

Depending on the circumstances, original shipping charges, return shipping costs, or restocking fees may be non-refundable or deducted where permitted and appropriate.

Refund timing

If approved, refunds are generally issued back to the original payment method. Timing may vary based on inspection completion and payment-provider processing.

Exchanges

Eligible exchange requests may be approved based on item condition, replacement availability, return reason, and whether the replacement is the same item or a different product.

Return Shipping Costs

Unless the return is due to an approved seller error or an approved damaged/defective item claim, the customer is generally responsible for return shipping costs.

Store vs Online Orders

In-store purchases may be subject to different procedures than online orders. Customers should follow the instructions on their receipt, invoice, or from AceVacuums staff when applicable.

Shipping, Return & Refund FAQs

Need Help Before Ordering or Returning an Item?

If you have a shipping, return, refund, warranty, or product-support question, contact AceVacuums before you take the next step. In many cases, clearer guidance early can prevent delays and confusion later.


The DMV’s Trusted Vacuum Service Authority

For 25+ years, Ace Vacuums has filled the gap left by big-box retailers. We provide the expert repairs, warranty support, and genuine OEM parts that Amazon and Walmart simply don't offer. From free estimates to same-day service, we are your local alternative for professional home care solutions.

Expert Repairs

  • • Vacuum Belt & Roller Repair
  • • Motor Service & Replacement
  • • Suction Loss & Clog Removal
  • • HEPA Filter & Bag Replacement
  • • Central Vacuum Installation
  • • Central Vacuum Repair
  • • Free Repair Estimates

Authorized Center

  • • Miele & SEBO Warranty
  • • Dyson & Riccar Specialists
  • • Shark, Bissell & Hoover
  • • Kirby & Oreck Rebuilds
  • • MD & Beam Central Vac
  • • Austin Air & Blueair
  • • Simplicity & Electrolux

Northern Virginia

  • Fairfax: Alexandria, Burke, Reston, Vienna, Herndon, McLean.
  • Loudoun: Ashburn, Leesburg, Sterling, Purcellville, Aldie.
  • Prince William: Woodbridge, Manassas, Gainesville, Bristow.
  • Arlington: Rosslyn, Crystal City, Ballston.

Regional Reach

Conveniently serving Washington D.C. and Maryland (Montgomery & Prince George's Counties). Our showrooms are just 20 minutes from DC and 10 minutes from Tysons Corner.

Hablamos Español — Service in English & Spanish.

Serving Zip Codes: 20147, 20176, 22030, 22031, 20151, 20190, 22102, 22314, 20110, 20148 & surrounding areas. All repairs performed by certified technicians using genuine parts.