Hydraulic Filters

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Hydraulic Oil Filter - Replaces Bobcat 6661248 - PartsOnline
Bobcat Hydraulic Oil Filter - Replaces Bobcat 6661248
Sale price$68.38 Regular price$87.56
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Hydraulic Case Drain Filter Element - Replacement for Bobcat 6661807 - PartsOnline
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Hydraulic Oil Filter - Replacement for Bobcat 6695918 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 6695918
Sale price$38.62 Regular price$56.99
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Hydraulic Oil Filter - Replacement for Bobcat 6677652 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 6677652
Sale price$68.58 Regular price$109.99
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In-Line Hydraulic Filter - Replacement for Bobcat 6661022 - PartsOnline
Bobcat In-Line Hydraulic Filter - Replacement for Bobcat 6661022
Sale price$59.84 Regular price$107.99
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Hydraulic Oil Filter - Replacement for Bobcat 6692337 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 6692337
Sale price$81.17 Regular price$95.49
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Hydrostatic Filter - Replacement for Bobcat 7375650 - PartsOnlineHydrostatic Filter - Replacement for Bobcat 7375650 - PartsOnline
Bobcat Hydrostatic Filter - Replacement for Bobcat 7375650
Sale price$50.99 Regular price$59.99
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Hydraulic Oil Filter Assembly - Replacement for Bobcat 7012314 - PartsOnline
Bobcat Hydraulic Oil Filter Assembly - Replacement for Bobcat 7012314
Sale price$103.90 Regular price$140.99
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Hydraulic Oil Filter - Replacement for Bobcat 6668819 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 6668819
Sale price$85.50 Regular price$115.49
Hydraulic Filter - Replacement for Vermeer 163736814 - PartsOnline
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Hydraulic Oil Filter - Replacement for Bobcat 46923666 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 46923666
Sale price$44.80 Regular price$63.49
Spin-On Duramax Hydraulic Filter - Replaces Ditch Witch 159074 - PartsOnline
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In-Line Hydraulic Oil Filter - Replaces Bobcat 6681012 - PartsOnline
Bobcat In-Line Hydraulic Oil Filter - Replaces Bobcat 6681012
Sale price$150.72 Regular price$191.99
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Hydraulic Oil Filter - Replacement for Bobcat 7319444 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 7319444
Sale price$50.40 Regular price$63.49
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Hydraulic Filter - Replacement for Bobcat 6563995 - PartsOnline
Bobcat Hydraulic Filter - Replacement for Bobcat 6563995
Sale price$24.51 Regular price$29.49
Hydraulic Filter - Replacement for Develon K1022788 - PartsOnline
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Hydraulic Filter - Replacement for Bobcat 6558357 - PartsOnline
Bobcat Hydraulic Filter - Replacement for Bobcat 6558357
Sale price$26.34 Regular price$30.99
Spin-On Hydraulic Filter - Replacement for Kubota R1411-63860 - PartsOnline
Spin-On Hydraulic Filter - Replaces Vermeer 2683001 - PartsOnline
Spin-On Hydraulic Filter - Replacement for Volvo 14524170 - PartsOnline
Spin-On Hydraulic Filter - Replacement for Vermeer 79703001 - PartsOnline
Spin-On Hydraulic Filter - Replaces John Deere AT38431 - PartsOnline
Spin-On Duramax Hydraulic Filter - Replaces Clark 6661248 - PartsOnline
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Spin-On Duramax Hydraulic Filter - Replaces Bobcat 6630977 - PartsOnline
Bobcat Spin-On Duramax Hydraulic Filter - Replaces Bobcat 6630977
Sale price$61.62 Regular price$72.50
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Case Drain Filter - Replacement for Bobcat 7334208 - PartsOnline
Bobcat Case Drain Filter - Replacement for Bobcat 7334208
Sale price$41.65 Regular price$55.99
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Hydraulic Tank Cap - Replacement for Bobcat 6692836 - PartsOnline
Bobcat Hydraulic Tank Cap - Replacement for Bobcat 6692836
Sale price$42.56 Regular price$65.49
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In - Line Steering Valve Filter - Replacement for Bobcat 6679143 - PartsOnlineIn - Line Steering Valve Filter - Replacement for Bobcat 6679143 - PartsOnline
Bobcat In-Line Steering Valve Filter - Replacement for Bobcat 6679143
Sale price$100.29 Regular price$117.99
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Hydraulic Oil Tank Filter - Replacement for Bobcat 7002734 - PartsOnline
Bobcat Hydraulic Oil Tank Filter - Replacement for Bobcat 7002734
Sale price$73.39 Regular price$93.49
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Hydraulic Oil Filter - Replacement for Bobcat 7379332 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 7379332
Sale price$60.76 Regular price$71.49
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Hydraulic Oil Filter - Replacement for Bobcat 6670207 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 6670207
Sale price$167.44 Regular price$196.99
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Hydraulic Oil Filter - Replacement for Bobcat 7009365 - PartsOnline
Bobcat Hydraulic Oil Filter - Replacement for Bobcat 7009365
Sale price$18.69 Regular price$21.99
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Hydraulic Oil Filter with O-Rings - Replaces Bobcat 7414582 - PartsOnline
Bobcat Hydraulic Oil Filter with O-Rings - Replaces Bobcat 7414582
Sale price$100.33 Regular price$119.99
Hydraulic Filter - Replacement for Doosan D516976 - PartsOnline
Hydraulic Filter - Replacement for Doosan D164457 - PartsOnline

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Hydraulic Filter Fitment and Compatibility

Hydraulic filters match to the machine's circuit rather than its engine, which is the opposite of how oil and fuel filters work, so the OEM number from the machine's parts diagram is the reliable identifier. Common replacements include the hydraulic oil filters replacing Bobcat OEM 6661248 and 6677652, the hydraulic case drain filter element replacing Bobcat OEM 6661807, the spin-on hydraulic filter replacing Kubota OEM 3270137950, and the spin-on Duramax filter replacing New Holland OEM 81863799.

Most machines carry more than one hydraulic filter, and this is where owners get caught. A skid steer typically runs a main hydraulic or hydrostatic filter plus one or two case drain filters, and some designs add an in-tank suction screen. Changing the main filter and leaving the case drains is a common and expensive miss, since a blocked case drain builds pressure where the drive motors least tolerate it.

Types of Replacement Hydraulic Filters

Spin-on filters thread onto a filter head and are the most straightforward change. Cartridge and in-tank elements drop into a housing inside or on the reservoir. Case drain filters sit in the low-pressure return from the drive motors and are usually smaller and easier to overlook. Suction strainers and screens sit before the pump and often need cleaning rather than replacing.

Hydraulic fluid is the machine's most expensive consumable, and filters are what protect it and the pumps it feeds. Change intervals commonly run 500 to 1,000 hours depending on the circuit, with the first change after a rebuild much earlier because assembly debris finds its way in.