Small Engine 795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753
Black air cleaner primer base for Briggs & Stratton 122000 series engines with integrated red primer bulb.
Air cleaner primer base for B&S 122000 engines shown with lawn mower application graphic.
Air cleaner primer base for Briggs & Stratton engines with labeled dimensions of 5.43 by 4.84 inches.
Black plastic air cleaner primer base for Briggs & Stratton engines with red primer bulb detail.
Air cleaner primer base for Briggs & Stratton 122000 engines and Toro lawn mowers.
792040 air cleaner primer base for Briggs & Stratton 122000 series engines and Toro lawn mowers.
Black air cleaner primer base for Briggs & Stratton 122000 engines, replacement for part numbers 795259 and 792040.
Compatibility chart for air cleaner primer base listing compatible Briggs & Stratton and John Deere engine models.
Installation guide for 792040 air cleaner primer base on a Briggs & Stratton lawn mower engine.
Black air cleaner primer base for Briggs & Stratton 122000 series engines with integrated red primer bulb.
Air cleaner primer base for B&S 122000 engines shown with lawn mower application graphic.
Air cleaner primer base for Briggs & Stratton engines with labeled dimensions of 5.43 by 4.84 inches.
Black plastic air cleaner primer base for Briggs & Stratton engines with red primer bulb detail.
Air cleaner primer base for Briggs & Stratton 122000 engines and Toro lawn mowers.
792040 air cleaner primer base for Briggs & Stratton 122000 series engines and Toro lawn mowers.
Black air cleaner primer base for Briggs & Stratton 122000 engines, replacement for part numbers 795259 and 792040.
Compatibility chart for air cleaner primer base listing compatible Briggs & Stratton and John Deere engine models.
Installation guide for 792040 air cleaner primer base on a Briggs & Stratton lawn mower engine.

795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753

0.00
$14.04
Save 10% $15.59
$14.04
In stock
Fast Delivery Delivery options available at checkout
30 Day Returns Return Policy

Secure and trusted checkout with

  • Mastercard
  • Visa
  • American Express
  • Discover
  • JCB
  • Diners Club
CONFIRM THIS PART FITS
Enter appliance or equipment model number to verify compatibility with this part

795259 / 792040 Air Cleaner Primer Base

Key Features

  • Direct replacement air cleaner primer base for specified engines.
  • Houses the air filter and integrates the primer bulb assembly.
  • Constructed from durable materials for longevity.
  • Ensures a proper seal between the air filter and carburetor.

Replaces / Cross-Reference Part Numbers

  • 795259
  • 792040
  • 691753
  • 224815
  • 496116
  • 593580
  • PS9306856

Compatibility & Fitment

  • Engine Brand:Briggs & Stratton
  • Engine Power:Fits 5 HP to 6.75 HP engines
  • Engine Models:Fits most 122000 model series engines, including:120H00, 121H00, 122H00, 122T00, 123K00, 124K00, 127700, 128700, 129700
  • Lawn Mower Brand:Toro
  • Toro Models:Fits 16400, 16401, 20010-20090, and 20110-20452 series

When to Replace

  • Visible cracks, warping, or physical damage to the base.
  • Primer bulb fails to function, is cracked, or does not create suction.
  • Fuel leaks are present around the base or primer bulb.
  • Air filter no longer fits securely or creates a proper seal.
  • Engine experiences hard starting or poor performance due to vacuum leaks at the base.

Installation Tips

  • Disconnect the spark plug wire before service for safety.
  • Take note of the routing of any fuel lines or linkages connected to the base before removal.
  • Clean the mating surface on the carburetor before installing the new base.
  • Inspect and replace any associated gaskets if they are worn or damaged.
  • Tighten mounting bolts evenly to prevent warping the base.
  • After installation, prime the engine and check for any fuel leaks before starting.
795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 1
795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 2
795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 3
795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 4
795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 5
795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 6
  • 795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 1

    IDEAL REPLACEMENT

    Fits for most 122000 model Briggs & Stratton Engines
  • 795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 2

    PREMIUM QUALITY

    This Air Cleaner Primer Base is designed for small gasoline engines and made from durable ABS plastic to withstand the harsh conditions of outdoor use
  • 795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 3

    SAVING SOLUTION

    Enjoy the great feeling when your engine is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble
  • 795259 792040 Air Cleaner Primer Base - Fits 122000 Model B&S Engines Toro Lawn Mower - Replaces 224815 691753 4

    SIMPLE INSTALLATION

    Repairing the primer base is easy for anyone with basic DIY skills. No adjustment was required
THE REPLACEMENT PART THAT KEEP YOUR YARD LOOKING FRESH!

THE REPLACEMENT PART THAT KEEP YOUR YARD LOOKING FRESH!

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

Loading compatible models…

Model
‎795259 792040 Air Cleaner Primer Base
Item Weight
‎7.7 ounces
Package Dimensions
‎6.42 x 6.1 x 2.87 inches
Manufacturer Part Number
‎795259 792040

FAQs

This part is designed for Briggs & Stratton 122000 series engines. It is widely used across various push lawn mowers, including models from Toro, Craftsman, and Troy-Bilt, such as the TB110, TB210, TB230, TB270ES, TB280ES, TB320, TB330, TB370, TB380ES, TB449E, TB466, TB566, TB672, and TB866XP.
This air cleaner primer base replaces OEM part numbers 795259, 792040, 691753, 496116, and 224815. Note that 792040 has been superseded by 795259.
You should inspect the base if you notice the primer bulb has cracked, hardened, or no longer draws fuel into the carburetor. Additionally, if the plastic housing has developed cracks or warpage, it will allow unfiltered air to bypass the air filter, which can lead to premature engine wear and poor performance.
Installation is straightforward and typically takes 15 to 30 minutes. You will generally need a socket wrench or nut driver (usually 1/4" or 3/8" depending on your specific mower configuration) to remove the mounting bolts. Ensure the engine is cool before starting, and take care to disconnect the spark plug wire for safety.
Since you are already accessing the air intake system, it is the ideal time to replace your air filter (commonly part number 491588S) and the pre-filter if your model uses one. You should also inspect the fuel lines for any signs of dry rot or cracking, as these often deteriorate at the same rate as the primer bulb.