Fleetguard · HF Hydraulic · inline line
HF35494 filter element: specifications & equivalents
The HF35494 is a Fleetguard inline-line hydraulic filter element, built with microglass media, sized 129 × 279 mm OD × length, rated at 5 µm absolute (5 µm at β75(c) per ISO 16889). Verify against the current manufacturer data sheet before ordering.
Specifications and cross-references are taken from the Fleetguard online catalog API. Where both TWA and Beta ratings are published the conventions differ — verify cleanliness targets, collapse rating and seal configuration against the current Fleetguard data sheet before ordering.
Specification table
| Parameter | Value |
|---|---|
| Filter type | inline line |
| Media | Microglass |
| Filtration rating | 5 µm |
| Rating basis | absolute |
| Beta ratio | 5 µm at β75(c) per ISO 16889 |
| Outside diameter OD | 129 mm |
| Length | 279 mm |
| End caps | open-ended cartridge element |
| Rated flow | 227 L/min |
| Collapse / burst pressure | 8.8 bar |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF35494 |
| Source catalog | Cummins Filtration / Fleetguard: Fleetguard online product catalog (fleetguard.com) |
| Last verified | 2026-09-28 |
Sources: Cummins Filtration / Fleetguard — Fleetguard online product catalog (fleetguard.com) — accessed 2026-09-28.
Fleetguard® and all model designations are trademarks of their respective owners, used here for identification only — ElementRef is an independent reference site, not an authorized Fleetguard distributor.
Dimensions & series range
| Outside diameter | 129 mm (5.079 in) |
| Overall length | 279 mm (10.984 in) |
All 129×279 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 1391536 page in verification queue | UFI | partial | Fleetguard's online catalog lists 1391536 as an interchange for HF35494. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P550922 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P550922 as an interchange for HF35494. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH56394 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH56394 as an interchange for HF35494. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
Interchange levels: full catalog-confirmed drop-in · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.
How the HF35494 model number is decoded
- HF35494Fleetguard HF-series hydraulic cartridge element part number.
- 279 mmOverall height.
- 129 mmLargest outside diameter.
- 5 µm at β75(c) per ISO 16889Published efficiency ratings.
Typical equipment & applications
- Construction, agricultural and industrial hydraulic circuits
- Mobile-equipment hydraulic return and pressure lines
Selection pitfalls — read before you substitute
- “10 µm nominal” and “12 µm at β1000” can describe the very same media — one is reported at β≥200, the other at β≥1000 per ISO 16889. Compare ratings at the same Beta test point, not just the printed micron number.
- Nitrile (NBR) seals are standard for mineral hydraulic oil but fail early in some phosphate-ester fluids and at sustained high temperature; verify seal compound against the fluid data sheet (fluorocarbon/Viton executions may be required).
- Fine 5 µm media loads faster and runs at a higher cold Δp than coarser grades — only downgrade cleanliness targets if the system ISO 4406 code allows it.
- End-cap geometry and the number/position of O-rings block interchange even when OD and length match — visually compare end caps before fitting, especially with aftermarket cartridges.
Frequently asked questions
What are the dimensions of the HF35494 filter element?
What micron rating does HF35494 use?
What replaces the HF35494 filter element?
How do I read the HF35494 part number?
Is a same-envelope aftermarket element always a drop-in replacement?
How often should a hydraulic return-line element be replaced?
Same-envelope elements from other brands
View full interchange →These 2 catalog element(s) share the 129×279 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.
Other models in the HF Hydraulic series
All 2621 →Reviewed & verified by the ElementRef engineering desk against Cummins Filtration / Fleetguard on 2026-09-28. Read our editorial & correction policy.