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DOUGLAS EQUIPMENTMiami · Since 1955

Aftermarket Parts Category

Filters — Engine, Hydraulic, Air, Fuel

Aftermarket filtration for Cat, Komatsu, Hitachi, Volvo, Doosan

Ships from Miami + Air FreightShips to LATAMAftermarket alternative to OEM

Filters are the highest-volume consumable on tracked construction equipment — engine oil, hydraulic, air, fuel, and water-separator filters are replaced at scheduled intervals (typically 250-500 hours). CTP filters are an aftermarket option to OEM pricing. For Central American fleets, US-origin parts ship from Miami. Contact our team for official manufacturer documentation and specifications.

Specifications

Filters — Engine, Hydraulic, Air, Fuel — Quick Reference
Filter typesEngine oil, hydraulic, air, fuel, water-separator, transmission, final-drive
DocumentationContact our team for official manufacturer documentation and specifications.
CoverageCaterpillar, Komatsu, Hitachi, Volvo, Doosan, Case, John Deere, Kobelco
Service interval250-500 hours (engine oil); per OEM schedule for others

Common Applications

  • Routine PM (preventive maintenance) intervals on excavators, dozers, loaders
  • High-volume fleet filter consumption (CTP filter pricing scales)
  • Tropical/dusty environments where filter quality directly impacts engine wear
  • LATAM import to Central America with documented origin
  • Equipment-specific cross-reference research (we maintain Cat ↔ Komatsu ↔ Hitachi mapping)

When to Choose Filters — Engine, Hydraulic, Air, Fuel

  • Fleet filter consumption is high enough that aftermarket pricing adds up
  • OEM filter pricing has drifted above the cost-of-engine-rebuild ratio
  • Tropical/dusty environment requires more-frequent filter replacement (CTP cost makes it feasible)
  • LATAM import optimization matters for Central American operations

Product Photos

Manufacturer photography from our distribution catalog. Click any photo for a larger view.

CTP filter productsEngine oil filterHydraulic cartridge filter

Parts in this Category

24 of 514 aftermarket parts shown · ranked by availability + brand strength.Browse all →

Have an OEM number? Cross-reference →
CTPStock on quote

CTP-1007556

Oil Filter 1007556 — D334

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CTPStock on quote

CTP-1007559

Oil Filter 1007559

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CTPStock on quote

CTP-1007562

Oil Filter 1007562 — 3406C

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CTPStock on quote

CTP-1052002

Oil Filter 1052002 — 416B

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CTPStock on quote

CTP-1053433

Oil Filter 1053433 — 416B

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CTPStock on quote

CTP-1278213

Oil Filter 1278213

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CTPStock on quote

CTP-1278216

Oil Filter 1278216 — C4.4

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CTPStock on quote

CTP-1278222

Oil Filter 1278222 — C7

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CTPStock on quote

CTP-1278225

Oil Filter 1278225 — C18

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CTPStock on quote

CTP-1291351

Oil Filter 1291351

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CTPStock on quote

CTP-1305187

Oil Filter 1305187 — 3406B

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CTPStock on quote

CTP-1305190

Oil Filter 1305190 — 3406C

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CTPStock on quote

CTP-1487111

Oil Filter 1487111 — 312B L

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CTPStock on quote

CTP-1677489

Oil Filter 1677489

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CTPStock on quote

CTP-1705181

Oil Filter 1705181

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CTPStock on quote

CTP-1705183

Oil Filter 1705183 — 3304B

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CTPStock on quote

CTP-1705187

Oil Filter 1705187 — 3306B

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CTPStock on quote

CTP-1747526

Oil Filter 1747526

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CTPStock on quote

CTP-1932749

Oil Filter 1932749 — 311C

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CTPStock on quote

CTP-1932750

Oil Filter 1932750 — 311C

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CTPStock on quote

CTP-1J9575

Oil Filter 1J9575 — 120G

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CTPStock on quote

CTP-1P6400

Oil Filter 1P6400 — D342

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CTPStock on quote

CTP-1W5829

Oil Filter 1W5829 — 3406B

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CTPStock on quote

CTP-1W6541

Oil Filter 1W6541 — 3306B

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Need Filters — Engine, Hydraulic, Air, Fuel for your fleet?

Send your machine model + serial number on WhatsApp. We confirm cross-reference, stock, USD price, and LATAM origin.

✓ Quote by part number✓ We confirm stock✓ LATAM applied

Frequently Asked Questions

How do CTP filters compare to OEM (Caterpillar, Donaldson, Fleetguard)?
CTP filters are a widely used aftermarket option for micron rating, beta ratio, and burst-pressure across standard PM intervals. The exception: original-equipment "extended life" or "advanced efficiency" filter lines from Donaldson Endurance or Cat Advanced Efficiency may have proprietary technology beyond standard filtration that justifies the premium. Contact our team for official manufacturer documentation and specifications.
How do I order filters for an entire fleet?
Send us your fleet roster (machine model, serial range, hour-meter ranges) — we build a quarterly or annual filter consumption forecast with cross-references to CTP part numbers. Bulk orders get pricing tiers; LATAM documentation is included for qualifying Central American destinations. Many of our LatAm fleet customers pre-order quarterly to lock pricing and ensure stock at OUR Miami warehouse before they need it.