Search for part number or name

Hydraulic & Transmission Filters

Key

Factory Fit

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

Remanufactured

Non-Returnable

Kit

Replaced

loading

/

loading

/

loading

Products

Cat® Hydraulic and Transmission Filters for off-highway equipment provide excellent component protection. They are designed to maximize hydraulic and transmission oil cleanliness, meet expected oil change intervals, and provide the best machine system protection available. Because there are differences between the Hydraulic and Transmission systems, it is absolutely critical that you use the right filter for each system.

Although it may seem as if will-fit elements will get the job done, will-fitters may recommend an element that won’t optimize your equipment and could potentially cause significant damage. This is because there are some situations in which a particular filter can be used in either system type – however, this isn’t always true. Don’t risk damage to your equipment due to inaccurate advice or incorrect part choice.

CAT HYDRAULIC FILTERS
Reducing contamination is the key to extending hydraulic and power train component life. Because using the correct Cat Filter is essential in minimizing damage to components from abrasives, we offer the following options:
• Standard Efficiency Filters are designed to maintain system cleanliness in most general and light duty applications.
• Advanced Efficiency Filters deliver increased protection from contamination and abrasives by keeping them from wearing down components in the high pressure hydraulic system. They are an enhanced safeguard against accelerated wear in moderate to severe conditions.
• Ultra High Efficiency (UHE) Filters provide enhanced contamination retention without sacrificing capacity. The filter’s super-fine synthetic media removes a higher proportion of fine particles for optimum contamination control in moderate and severe applications.
• Fire Resistant UHE Filters include the same characteristics of UHE filters, but also contain media that stands up to the fire resistant hydraulic fluid that breaks down typical cellulose or synthetic media.

CAT TRANSMISSION FILTERS
Cat Transmission Filters are designed to minimize cold start bypass while maintaining appropriate cleanliness levels. They feature synthetic media designed to deliver a high level of filtration performance and to reduce pressure drop across the media.

Caterpillar engineers the best protection into all Cat Filters, resulting in higher efficiency filtration, longer system life, greater reliability and improved machine productivity.

Only Caterpillar knows the proper filter for every application and every machine we build, so we’ll always offer the right element to maximize system cleanliness, machine performance and equipment uptime. Switch to Cat Filters today by talking to your local Caterpillar dealer or search using your will-fit part number at catfiltercrossreference.com.

Reference

1G-8878: Hydraulic/Transmission Oil Filter

Protect your machine with Cat® parts hydraulic transmission oil filter. The advanced efficiency 1G-8878 drive train filter provides protection from contamination which assists in the overall performance of your Cat® machine.

Cat

Material

Carbon Steel,Other Mixed: Metal-Nonmetal

Efficiency Category

Advanced High Efficiency

421-5479: Advanced Efficiency Hydraulic Filter

Cat® part 421-5479 advanced efficiency hydraulic and transmission filter provides increased contamination control without giving up superior dirt-holding.

Cat

Material

Polyamide Plastic

Efficiency Category

Advanced High Efficiency

590-9787: Hydraulic Oil Filter

Shop Cat® 590-9787 part hydraulic oil filter offers standard efficiency to protect your machine's engine and keep it running smoothly.

Cat

Material

Carbon Steel

Efficiency Category

Ultra High Efficiency

5I-8670: Advanced Efficiency Hydraulic Filter

Advanced Efficiency Hydraulic/Transmission Filter

Cat

Diameter (in)

3.268

Flow Direction

Out-to-In

Length (in)

6.083

Material

Other Mixed: Metal-Nonmetal,Carbon Steel

Efficiency Category

Advanced High Efficiency

Filter Type

Spin-On

093-7521: Hydraulic/Transmission Oil Filter

Enhance performance with Cat's reliable hydraulic transmission filter, engineered to achieve high efficiency in your most demanding applications.

Cat

Material

Other Mixed: Metal-Nonmetal,Carbon Steel

471-7003: Transmission Hydraulic Filter

Standard Efficiency Hydraulic/Transmission Filter

Cat

Material

Carbon Steel

Efficiency Category

Standard Efficiency

179-9806: Ultra High Efficiency Hydraulic Filter

Protect your machine with Cat® parts hydraulic transmission oil filter. The ultra-high efficiency 179-9806 drive train filter provides protection from contamination which assists in the overall performance of your Cat® machine.

Cat

Material

Carbon Steel,Other Mixed: Metal-Nonmetal

328-3655: Hydraulic/Transmission Oil Filter

Protect your machine with Cat® parts hydraulic transmission oil filter. The advanced efficiency 328-3655 drive train filter provides protection from contamination which assists in the overall performance for your Cat® machine.

Cat

Diameter (in)

4.764

Length (in)

10.634

Flow Direction

Out-to-In

Material

Fluoroelastomer (FKM) Rubber,Nitrile / NBR / HNBR / XNBR Rubber,Polytetrafluoroethylene (PTFE) Plastic

Efficiency Category

Advanced High Efficiency

Filter Type

Cartridge

362-1163: Hydraulic/Transmission Oil Filter

Advanced Efficiency Hydraulic/Transmission Oil Filter

Cat

Material

Polyamide Plastic

Efficiency Category

Ultra High Efficiency

389-1079: Advanced Efficiency Hydraulic Filter

Protect your machine with Cat® parts hydraulic transmission oil filter. The advance efficiency 389-1079 drive train filter provides protection from contamination which assists in the overall performance of your Cat® machine.

Cat

Efficiency Category

Advanced High Efficiency

132-8876: Hydraulic/Transmission Oil Filter

Ultra High Efficiency Hydraulic/Transmission Oil Filter

Cat

Diameter (in)

5.071

Length (in)

9.0

Flow Direction

Out-to-In

Material

Carbon Steel,Other Mixed: Metal-Nonmetal

Efficiency Category

Ultra High Efficiency

Filter Type

Cartridge

436-3443: H Element Assembly

Advanced Efficiency Hydraulic/Transmission Filter

Cat

Efficiency Category

Advanced High Efficiency

421-5481: Advanced Efficiency Hydraulic Filter

Advanced Efficiency Hydraulic/Transmission Filter

Cat

Material

Polyamide Plastic

Efficiency Category

Advanced High Efficiency

465-6506: Hydraulic Oil Filter

Standard Efficiency Hydraulic/Transmission Filter

Cat

Material

Carbon Steel

Efficiency Category

Standard Efficiency

144-6691: Advanced Efficiency Hydraulic Filter

Advanced Efficiency Hydraulic Oil Filters protect your system against accelerated wear with special filter media engineered to provide greater protection in moderate to severe applications.

Cat

Material

Carbon Steel,Other Mixed: Metal-Nonmetal

Efficiency Category

Advanced High Efficiency

376-1288: Hydraulic/Transmission Oil Filter

Protect your machine with Cat® parts hydraulic transmission oil filter. The advanced efficiency 376-1288 drive train filter provides protection from contamination which assists in the overall performance of your Cat® machine.

Cat

Material

Carbon Steel

Efficiency Category

Advanced High Efficiency

To find the parts that fit.

To find the parts that fit.

Benefits of adding equipment

Key

Key

Factory Fit

Benefits of adding equipment

Find Parts

Support

My Account

Cat Social

Find Parts

Support

My Account

Cat Social

Language

CAT Sites

Benefits of adding equipment

Sort By

Key

Key

Factory Fit

Specifications

Efficiency Rating

1G-8878: Hydraulic/Transmission Oil Filter

421-5479: Advanced Efficiency Hydraulic Filter

590-9787: Hydraulic Oil Filter

5I-8670: Advanced Efficiency Hydraulic Filter

093-7521: Hydraulic/Transmission Oil Filter

471-7003: Transmission Hydraulic Filter

179-9806: Ultra High Efficiency Hydraulic Filter

328-3655: Hydraulic/Transmission Oil Filter

362-1163: Hydraulic/Transmission Oil Filter

389-1079: Advanced Efficiency Hydraulic Filter

132-8876: Hydraulic/Transmission Oil Filter

436-3443: H Element Assembly

421-5481: Advanced Efficiency Hydraulic Filter

465-6506: Hydraulic Oil Filter

144-6691: Advanced Efficiency Hydraulic Filter

376-1288: Hydraulic/Transmission Oil Filter

Sort By

Specifications

Efficiency Rating