Butom 491588S air filter close-up for 3.5-6.5 HP engines improves air intake.
Butom 493537S pre-cleaner image shows debris separation before the filter.
Butom 675ex-725ex-625e-625-675 series compatibility label with air filter assembly.
Butom pleated air-filter close-up highlights dense filtration material.
Butom 493537S pre-cleaner close-up shows debris capture zone.
Butom spark plug included with kit for ignition system replacement.
Butom combo pack contents showing air filter pre-cleaner and spark plug.

Butom

Butom 491588S Air Filter + 493537S Pre-cleaner for 675ex/725ex Quantum Engines

High-performance patio lawn and garden made for confident daily results

$12.58

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Return & RefundEasy returns and policy details Shipping PolicyDelivery process and tracking info
Share

Why customers choose Cera Garden

Overview

Upgrade your small to mid size mowing setup with the Butom air filtration kit designed for 3.5 to 6.5 HP Quantum engines. This bundle pairs the 491588S air filter with the 493537S pre-cleaner and adds a compatible spark plug, creating a refreshed intake path that customers can rely on during routine maintenance.

What’s included

  • 491588S air filter
  • 493537S pre-cleaner
  • Spark plug

Why you might consider this kit

  • High filtration capacity thanks to a robust pleated design that balances airflow with debris capture
  • Potential for improved airflow, which may support steady engine response and smoother operation
  • Pliable PU seal helps create a tight seal and may reduce exhaust vibrations while filtering air
  • Easy installation that doesn’t require specialized tools, making routine changes quick and straightforward
  • Compact dimensions compatible with 675ex, 725ex, 625e and 625-675 series engines

Product details

Patented measurements: length 5-3/16 inches, width 4-1/2 inches, height 13/16 inch. The kit includes one air filter, one pre-filter, and one spark plug for a complete refresh of the air intake system.

How to install

  1. Turn off the engine and allow it to cool before starting.
  2. Remove the old filter and inspect the housing for any debris or damage.
  3. Slide the new air filter into place, then attach the pre-cleaner and secure the housing.
  4. Install the spark plug following the manufacturer’s gap guidance and torque specifications.

Maintenance tips

  • Regularly inspect the filtration elements and replace when dust buildup is evident
  • Keep the housing clean to preserve seal integrity and airflow efficiency
  • Store replacement parts in a dry place to prevent moisture damage

Note that improving filtration and airflow can support engine performance, but results vary with usage and conditions. This kit is intended to provide high quality parts for compatible Quantum engines.

Compatibility and usage

Best suited for engines in the 675ex, 725ex, 625e, and 625-675 series. Ideal for routine maintenance during mowing and other light to mid-duty tasks, helping to maintain clean intake air and reliable operation.

FAQ

Q: Is this kit compatible with 675ex and 725ex engines?

A: Yes, designed for 3.5-6.5 HP Quantum engines in the 675ex, 725ex, 625e, and 625-675 series.

Q: What is included in the package?

A: Air filter, pre-cleaner, and spark plug for a complete replacement.

You may also like