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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
Cat® Breather Assembly
Cat
Length (in)
1.441
Diameter (in)
1.693
Material
Alloy Mixed: Metal,Carbon Steel
Cat® part 421-1888 OEM fumes disposal oil breather for heavy equipment vents gas and vapors from the engine's crankcase.
Cat
Standard Efficiency Engine Air - Secondary
Cat
Length (in)
2.205
Width (in)
3.268
Cat® Breather Assembly
Cat
Diameter (in)
1.5
Length (in)
2.205
Material
Carbon Steel,Stainless Steel,Alloy Zinc
Cat® Cabin Air Filter
Cat
Height with Seal (in)
5.78
Height without Seal (in)
5.78
Type
Cartridge,Cartridge
Overall Width (in)
5.961
Overall Length (in)
5.961
Media Type
Standard
Cat® 1-1/16"-12 Aluminum Hydraulic Breather
Cat
Length (in)
3.094
Diameter (in)
2.657
Material
Alloy Aluminum
Cat® 1-1/16" UNF Threaded Steel Hydraulic Tank Breather
Cat
Length (in)
3.138
Diameter (in)
2.984
Material
Carbon Steel
Cat® Breather For Hydraulic Tank
Cat
Length (in)
3.15
Material
Steel,Carbon Steel
Diameter (in)
2.953
Cat® Steel Crankcase Breather
Cat
Length (in)
5.839
Diameter (in)
4.764
Material
Alloy Aluminum,Carbon Steel
Cat® Crankcase Breather
Cat
Diameter (in)
3.929
Length (in)
3.78
Material
Nylon, 6, 6/12, 6/6 Plastic
Cat® 1-1/16"-12 Plastic Hydraulic Breather
Cat
Length (in)
2.795
Diameter (in)
1.929
Material
Nylon, 6, 6/12, 6/6 Plastic
Cat® Breather
Cat
Diameter (in)
4.724
Length (in)
4.469
Material
Polyamide Plastic
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