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Case 850K Dozer Filters

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Case 850K Dozer Filters parts list
Image Fits Model Description Part # Price Product Details
Primary Engine Air Filter for Case Dozers, Loaders & Tractors – 392120A1 See Details 621D, 850K-II, 1150K, 1650L, 1150M, 1650M, 850L Primary Air Filter 87682990
$100.00
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Case primary RadialSeal air filter 87682993 for 580N and 580 Super N backhoe loaders See Details 40XT-95XT, 410-445 III, SR130B-SR250, TR270, TR320, 420CT-445CT, 580L-580SN, 590SL-590ST, 695SM-695ST, 570LXT-570N, 550G/H, 650G-M, 750H-M, 850K II, CX70-CX160D, 788, WX150, 686G, 688G, 586G-588H, C70-C100, Farmall 70-80, JX90U-JX1100U, MX80C-MX100C Primary RadialSeal Air Filter 87682993
$38.00
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Air Filter for Case WX165–621D Loaders 392121A1 See Details WX165 II, WX170, WX185 II, 988, 988P, 1188CK, 1188LC, 850K II, 1150K, 1650L, 621D, 1150M, 1650M, 850L Air Filter, Secondary 392121A1
$133.00
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Case engine oil filter 87803261 for 580N and 590 Super N backhoe loaders with Iveco NEF engine See Details 570MXT S3, 580M, 580SM S2/S3, 580N, 580SN, 580SR, 590SM S2/S3, 590SN, 590SR, 590ST, 695SM, 695ST, 430-465, 445CT, 450CT, 850K II, 1150K, 1650L, 1850K, 521D/E, 621D, 721D/E/F, 821E/F, 921F, WX95-WX210 II, 865B, 885B, TX742, Magnum 180-225, 1150M, 750K Engine Oil Filter 87803261
$28.00
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Case Cummins 4-390 engine oil filter J908616 for 580K and 580 Super K backhoe loaders See Details 480E/F, 580E, 580SE, 580K, 580SK, 580L, 580SL, 580M S1, 580SM S1, 590 Turbo, 590SL, 590SM S1, 570LXT, 570MXT, 450C, 455C, 550-550H, 650-650K S1, 750H, 750K S1, 850K S1, 1840, 1845C, 40XT-95XT, 9010/B, 9020/B, CX130, CX160, 521D, 584E-588G, 686G Engine Oil Filter J908616
$41.00
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Case Cummins 6B engine oil filter J934430 for 680K and 680L backhoe loaders See Details 680K, 680L, 780C, 780D, 850D, 850E, 850G, 850H, 855D, 855E, 1150E, 1150G, 1150H, W11B, W14B, W14C, 621, 621B, 621C, 621D, 880D, 888, 988, 1085C, 1088, 9030, 9030B, SV212, SV216, MX100-170, 1896, 2096, 5130-5250 Engine Oil Filter J934430
$35.00
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Compatible with BF788, FF5461 and P150564 fuel filters See Details 480E, 480ELL, 480F, 480FLL, 580K, 580L, 580SE, 580SK, 590 Turbo, 680K, 680L, 780C, 780D, 450B, 450C, 455C, 550, 550E, 550G, 550H, 650G, 650H, 750H, 750K, 850, 850D, 850E, 850G, 850H, 855D, 855E, 1150E, 1150G, 1150H, 1155E, 1550, 1650K, 1850K, 688, 88 Fuel Filter (Secondary) J931063
$30.00
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Fuel/Water Separator Filter for Case Equipment See Details 480E, 480F, 580K, 580L, 580SE, 580SK, 590 Turbo, 680K, 680L, 780C, 780D, 450B, 450C, 455C, 550, 550E, 550G, 550H, 650G, 650H, 750H, 750K, 850, 850D, 850E, 850G, 850H, 855D, 855E, 1150E, 1150G, 1150H, 1155E, 1550, 1650K, 1850K, 688, 88, 650, 850K, 721 Fuel Water Separator Filter (Primary) J930942
$26.00
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Case fuel water separator filter replacement See Details 430, 440, 440CT, 445CT, 450, 450CT, 465, 650K II, 650K III, 850K II, 521D, 621D, WX95 II, WX145 II, WX165 II, TX742, TX842, 580M, 580 Super M, 580N, 590 Super N, 750K, 420, 430 Series 3, 435, 445, 420CT Series 3 Fuel/Water Separator Filter (Iveco) 87803194
$37.00
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Fuel filter 194199A1 for Case backhoes See Details 570LXT, 570MXT, 580L*, 580 Super L*, 590 Super L*, 580M, 580 Super M, 590 Super M, 584E, 585E, 586G, 588G, 40XT, 60XT, 70XT, 300, 621B, 621C, 621D, 721, 721B, 721C, 721D, 821B, 821C, 821E XR, 444, 444J, 444K, 544, 544J, 544K, 624J, 624K, 644J, 644K Inline Fuel Filter 194199A1
$17.00
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case hydraulic spin on oil filter See Details 590 Super M, 570MXT III, 850K, 1150K, 1650L, 650K Series 1, 650M, 750K Series 1, 750L, 750M, 850L Hydraulic Filter Spin-On D149921
$114.00
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Case hydraulic spin-on filter 84475949 for 410, 420 and 430 skid steer loaders See Details 410, 420, 420CT, 430, 435, 440, 445, 445CT, 450, 450CT, 465, 580SL S2, 580SM, 590SL S2, 590SM, 650K, 750K, 750L, 850K, 850K II, 850L, 1650K, 1850K, 721D, 721DXT, 721E, 821E, 860 Hydraulic Spin-On Filter 84475949
$113.00
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Replacement engine, hydraulic, and fuel filters for the Case 850K crawler dozer, covering primary air filters, engine oil filters, hydraulic spin-on filters, and fuel/water separators for standard and 850K II builds.

Fits Models At A Glance

  • 850K Series: 850K, 850K II

Key Notes

  • Air Filtration: Primary engine air filters keeping intake debris out of the engine.
  • Engine Oil: Spin-on oil filters compatible with Iveco-equipped engine configurations.
  • Hydraulic: Spin-on hydraulic filters for the main hydraulic circuit.
  • Fuel System: Fuel/water separator filters protecting the injection system.

Why Choose Broken Tractor

  • ✅ Filters matched to verified 850K fitment data
  • ✅ Fast shipping from two US locations
  • ✅ Knowledgeable staff who know Case dozers

Frequently Asked Questions

What filters does the Case 850K dozer need?

Broken Tractor carries engine air filters, engine oil filters, hydraulic spin-on filters, and fuel/water separator filters for the Case 850K crawler dozer. This covers primary intake filtration, engine oil, the main hydraulic circuit, and injection system protection. Both standard 850K and 850K II builds are covered across our filter lineup.

Which air filter fits a Case 850K II?

The Engine Air Filter that replaces 392121A1 (SKU 392121A1) fits the 850K II, along with the Primary Engine Air Filter 392120A1 (SKU 87682990). We list fitment by model, so match your build to the part number or confirm with our parts team before ordering.

What oil filter is used on a Case 850K with an Iveco engine?

The Engine Oil Filter for Case Equipment with Iveco Engines (SKU 87803261) is compatible with Iveco-equipped configurations and fits the 850K II. Broken Tractor also stocks additional oil filter options for 850K models, so confirm your engine configuration when selecting.

Do you have a hydraulic filter for the Case 850K?

Yes, we carry hydraulic spin-on filters for the Case 850K main hydraulic circuit, including SKU D149921 which fits the 850K and SKU 87010593 which fits the 850K II. Since hydraulic fitment can vary between standard and II builds, match the part number to your machine or check with our parts team.

Does the Case 850K use a fuel water separator?

Yes, the Fuel/Water Separator Filter (SKU 87803194) fits the Case 850K II and protects the injection system from water and contaminants. Fitment can depend on your specific build, so confirm the part number matches your machine. You can reach the parts team at (800) 909-7060.

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Product: Category: Case 850K Dozer Filters Brand: Head Title: Case 850K Dozer Filters | Broken Tractor