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126-2081 Hydraulic Filter

Replacement hydraulic filter for Caterpillar 312B / Caterpillar 311B. Check the published reference numbers, dimensions and exact vehicle or equipment configuration before ordering.

Part Number
126-2081
Product Type
Hydraulic Filter
OE
126-2081

Cross References

All numbers below are published cross references for product identification.

BrandPart Number
Fleetguard HF35195
Baldwin PT8436
Donaldson P550577
Donaldson P571271
MANN HD14161
WIX 57244
BrandPart Number
Fleetguard HF35195
Baldwin PT8436
Donaldson P550577
Donaldson P571271
MANN HD14161
WIX 57244

Confirm number, size and application before ordering.

Dimensions

Outer Diameter140 mm
Inner Diameter97 mm
Height424 mm

Application / Fitment

Caterpillar

Browse verified Caterpillar application products →

Excavator

Model / Series
  • 312B
Fitment Note
For Caterpillar 312B excavator applications.
Model / Series
  • 311B
Fitment Note
For Caterpillar 311B excavator applications.
Model / Series
  • 311C
Fitment Note
For Caterpillar 311C excavator applications.
Model / Series
  • 312B L
Fitment Note
For Caterpillar 312B L excavator applications.
Model / Series
  • 312C
Fitment Note
For Caterpillar 312C excavator applications.
Model / Series
  • 312C L
Fitment Note
For Caterpillar 312C L excavator applications.
Model / Series
  • 314C
Fitment Note
For Caterpillar 314C excavator applications.
Model / Series
  • 315B
Fitment Note
For Caterpillar 315B excavator applications.
Model / Series
  • 315B FM L
Fitment Note
For Caterpillar 315B FM L excavator applications.
Model / Series
  • 315B L
Fitment Note
For Caterpillar 315B L excavator applications.
Model / Series
  • 315C
Fitment Note
For Caterpillar 315C excavator applications.
Model / Series
  • 317B L
Fitment Note
For Caterpillar 317B L excavator applications.
Model / Series
  • 317B LN
Fitment Note
For Caterpillar 317B LN excavator applications.
Model / Series
  • 318B
Fitment Note
For Caterpillar 318B excavator applications.
Model / Series
  • 318B N
Fitment Note
For Caterpillar 318B N excavator applications.
Model / Series
  • 318C
Fitment Note
For Caterpillar 318C excavator applications.
Model / Series
  • 320B
Fitment Note
For Caterpillar 320B excavator applications.
Model / Series
  • 320B FM LL
Fitment Note
For Caterpillar 320B FM LL excavator applications.
Model / Series
  • 320B L
Fitment Note
For Caterpillar 320B L excavator applications.
Model / Series
  • 320B LL
Fitment Note
For Caterpillar 320B LL excavator applications.
Model / Series
  • 320B N
Fitment Note
For Caterpillar 320B N excavator applications.
Model / Series
  • 320B S
Fitment Note
For Caterpillar 320B S excavator applications.
Model / Series
  • 320C
Fitment Note
For Caterpillar 320C excavator applications.
Model / Series
  • 320C FM
Fitment Note
For Caterpillar 320C FM excavator applications.
Model / Series
  • 321C
Fitment Note
For Caterpillar 321C excavator applications.
Model / Series
  • 322B
Fitment Note
For Caterpillar 322B excavator applications.
Model / Series
  • 322B L
Fitment Note
For Caterpillar 322B L excavator applications.
Model / Series
  • 322B LN
Fitment Note
For Caterpillar 322B LN excavator applications.
Model / Series
  • 322C
Fitment Note
For Caterpillar 322C excavator applications.
Model / Series
  • 322C FM
Fitment Note
For Caterpillar 322C FM excavator applications.
Model / Series
  • 325B
Fitment Note
For Caterpillar 325B excavator applications.
Model / Series
  • 325B L
Fitment Note
For Caterpillar 325B L excavator applications.
Model / Series
  • 325B LN
Fitment Note
For Caterpillar 325B LN excavator applications.
Model / Series
  • 325C
Fitment Note
For Caterpillar 325C excavator applications.
Model / Series
  • 325C FM
Fitment Note
For Caterpillar 325C FM excavator applications.
Model / Series
  • 325C L
Fitment Note
For Caterpillar 325C L excavator applications.
Model / Series
  • 330B
Fitment Note
For Caterpillar 330B excavator applications.
Model / Series
  • 330B L
Fitment Note
For Caterpillar 330B L excavator applications.
Model / Series
  • 330B LN
Fitment Note
For Caterpillar 330B LN excavator applications.
Model / Series
  • 330C
Fitment Note
For Caterpillar 330C excavator applications.
Model / Series
  • 330C FM
Fitment Note
For Caterpillar 330C FM excavator applications.
Model / Series
  • 330C L
Fitment Note
For Caterpillar 330C L excavator applications.
Model / Series
  • 330C LN
Fitment Note
For Caterpillar 330C LN excavator applications.
Model / Series
  • 330C MH
Fitment Note
For Caterpillar 330C MH excavator applications.
Model / Series
  • 345B
Fitment Note
For Caterpillar 345B excavator applications.
Model / Series
  • 345B II
Fitment Note
For Caterpillar 345B II excavator applications.
Model / Series
  • 345B II MH
Fitment Note
For Caterpillar 345B II MH excavator applications.
Model / Series
  • 345B L
Fitment Note
For Caterpillar 345B L excavator applications.
Model / Series
  • 345C
Fitment Note
For Caterpillar 345C excavator applications.
Model / Series
  • 345C L
Fitment Note
For Caterpillar 345C L excavator applications.
Model / Series
  • 365B
Fitment Note
For Caterpillar 365B excavator applications.
Model / Series
  • 365B II
Fitment Note
For Caterpillar 365B II excavator applications.
Model / Series
  • 365B L
Fitment Note
For Caterpillar 365B L excavator applications.
Model / Series
  • 385B
Fitment Note
For Caterpillar 385B excavator applications.

Front Shovel

Model / Series
  • 5090B
Fitment Note
For Caterpillar 5090B front shovel applications.

Knuckleboom Loader

Model / Series
  • 539
Fitment Note
For Caterpillar 539 knuckleboom loader applications.

Logger

Model / Series
  • 322C
Fitment Note
For Caterpillar 322C logger applications.

Mobile Hydraulic Power Unit

Model / Series
  • 330C
Fitment Note
For Caterpillar 330C mobile hydraulic power unit applications.

Wheeled Excavator

Model / Series
  • M325B
Fitment Note
For Caterpillar M325B wheeled excavator applications.
Model / Series
  • W330B
Fitment Note
For Caterpillar W330B wheeled excavator applications.
Model / Series
  • W345B II
Fitment Note
For Caterpillar W345B II wheeled excavator applications.

Sources & Verification

These sources support only the cited part-number, specification or application relationship. A catalogue reference does not imply authorization, certification or endorsement of JINGUAN by the named brand.

View 5 recorded sources
  • Cat Parts Store 126-2081 official page

    Manufacturer catalogue · Cat Parts Store 126-2081 official page · Accessed 2026-08-22

    Open source
  • Fleetguard HF35195 official product page

    Manufacturer catalogue · Fleetguard HF35195 official product page · Accessed 2026-08-22

    Open source
  • MANN-FILTER HD 14 161 official product page

    Manufacturer catalogue · MANN-FILTER HD 14 161 official product page · Accessed 2026-08-22

    Open source
  • Cat Parts Store — 126-2081

    Manufacturer catalogue · Cat Parts Store — 126-2081 · Accessed 2026-09-25

    Open source
  • IndustrialStop - Caterpillar 126-2081 official cross-reference chart

    Third-party supplier catalogue · Accessed 2026-09-29

    Open source

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Third-party trademarks and part numbers are used for identification and cross-reference purposes only.