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Cat® part 421-1888 OEM fumes disposal oil breather for heavy equipment vents gas and vapors from the engine's crankcase.
Cat® 1-1/16"-12 Aluminum Hydraulic Breather
Cat® 1-1/16" UNF Threaded Steel Hydraulic Tank Breather
Cat® Breather For Hydraulic Tank
Cat® Steel Crankcase Breather
Advanced Efficiency Engine Oil Filter
Axle / Transmission Breather
Cat® 1-1/16"-12 Plastic Hydraulic Breather
Cat® 76.962mm (3.030 In) Inside Diameter Engine Breather
Cat® Engine Valve Cover Breather Cap
Shop Cat® parts heavy-equipment hydraulic tank breather element for effective filtration to prevent contaminants from entering the hydraulic tank.
Cat® Hydraulic Breather is a component in hydraulic systems to regulates the pressure within the hydraulic reservoir by allowing air to enter or exit
Cat® Crankcase breather allows excess gases and pressure to escape from the engine's crankcase
Cat® 109.5mm Long Diesel Exhaust Fluid Breather
Standard Efficiency Fuel Separator
Discover high-quality breather assemblies for Cat machinery. Enhance performance and reduce emissions with reliable filtration solutions.
Viewing 1 - 16 of 208
This part is designed to fit your Cat equipment based on the manufacturer’s specifications.
Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.
Remanufactured
Non-Returnable
Kit
Replaced
1 - 16 of 208 results
1 - 16 of 208 results
Cat
Cat
Hex Size (in)
1.23
Length (in)
3.09
Thread Size (in)
1-1/16-12
Material
Alloy Aluminum
Cat
Outside Diameter (in)
2.98
Length (in)
3.14
Thread Size (in)
1-1/16 UNF
Material
Carbon Steel
Cat
Height (in)
3.15
Length (in)
3.15
Hex Size (in)
1.26
Material
Steel,Carbon Steel
Material Description
Steel
Outside Diameter (in)
2.95
Outer Diameter (in)
2.95
Thread
1-1/16-12-2A
Weight (lb)
0.73
Cat
Inside Diameter (in)
3.03
Flange Diameter (in)
4.76
Length (in)
5.84
Outer Diameter (in)
4.3
Outside Diameter (in)
4.3
Overall Height (in)
5.84
Overall Width (in)
5.65
Material
Alloy Aluminum,Carbon Steel
Cat
Material
Carbon Steel
Cat
Cat
Length (in)
2.79
Thread Size (in)
1-1/16-12
Material
Nylon, 6, 6/12, 6/6 Plastic
Cat
Inside Diameter (in)
3.03
Inner Diameter (in)
2.8
Length (in)
5.84
Number of Teeth
79
Material Description
Steel
Weight (lb)
11.76
Outside Diameter (in)
4.78
Material
Alloy Mixed: Metal,Carbon Steel
Cat
Height (in)
2.2
Length (in)
6.7
Material Description
Nylon
Width (in)
5.3
Material
Plastic Plastic,Polyamide Plastic
Cat
Material
Carbon Steel
Cat
Material
Carbon Steel
Cat
Cat
Material
Carbon Steel
Cat
Material
Carbon Steel
Cat
Material
Nylon, 6, 6/12, 6/6 Plastic