Caterpillar 131-8821 Air Filter

Replacement air filter for Caterpillar 320 / 321 / 322 / 323 / 325 Excavators. Check the published reference numbers, dimensions and exact vehicle or equipment configuration before ordering.

JINGUAN Number: JG870109
Product Type: Air Filter
Reference OE: Caterpillar 131-8821

JINGUAN replacement product. Third-party brands and part numbers are shown for identification only; this is not an OEM-original or authorized product.

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Additional Identification

JINGUAN Number: JG870109

Cross References

All numbers below are published cross references for product identification.

Brand	Part Number
Sakura	A-8507
Donaldson	P535492
Fleetguard	AF25624
MANN	CF1398

Brand	Part Number
Sakura	A-8507
Donaldson	P535492
Fleetguard	AF25624
MANN	CF1398

Confirm number, size and application before ordering.

Dimensions

Outer Diameter	133 mm
Inner Diameter	94 mm
Height	317 mm

Application / Fitment

Caterpillar

Browse verified Caterpillar application products →

Heavy Equipment

Model / Series: 320 / 321 / 322 / 323 / 325 Excavators
Fitment Note: Confirm OE 131-8821 and exact equipment configuration before ordering.

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 2 recorded sources

Caterpillar official Parts Store — 131-8822

Manufacturer catalogue · Verified product, OE and application record · Accessed 2026-09-04
Open source
FridayParts / Amazon — 131-8821 (inner) / 131-8822 (outer) Caterpillar excavator pair

Third-party supplier catalogue · Accessed 2026-09-25
Open source

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