Fleetguard · HF Hydraulic · inline line
HF7518 filter element: specifications & equivalents
The HF7518 is a Fleetguard inline-line hydraulic filter element, built with microglass media, sized 96.27 × 428.5 mm OD × length (ID 56.39 mm), rated at 3 µm absolute (3 µm at β75(c); 5 µm at β200(c) per ISO 16889). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 96.27 × 428.5 mm
Inside diameter 56.39 mm
Filtration rating 3 µm abs.
Beta rating 3 µm at β75(c); 5 µm at β200(c) per ISO 16889
Media Microglass
Collapse / burst 10.34 bar
Line type inline
Catalog verified. Parameters extracted from the manufacturer’s electronic
catalog / official interchange document and checked 2026-09-28. Confidence score 0.90.
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 | 3 µm |
| Rating basis | absolute |
| Beta ratio | 3 µm at β75(c); 5 µm at β200(c) per ISO 16889 |
| Outside diameter OD | 96.27 mm |
| Inside diameter ID | 56.39 mm |
| Length | 428.5 mm |
| End caps | open-ended cartridge element |
| Rated flow | 321 L/min |
| Collapse / burst pressure | 10.34 bar |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF7518 |
| 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 | 96.27 mm (3.790 in) |
| Inside diameter | 56.39 mm (2.220 in) |
| Overall length | 428.5 mm (16.870 in) |
All 96×429 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 1698 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 1698 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 23018842 page in verification queue | UFI | partial | Fleetguard's online catalog lists 23018842 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 23018844 page in verification queue | UFI | partial | Fleetguard's online catalog lists 23018844 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 23018847 page in verification queue | UFI | partial | Fleetguard's online catalog lists 23018847 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 23018848 page in verification queue | UFI | partial | Fleetguard's online catalog lists 23018848 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 23018853 page in verification queue | UFI | partial | Fleetguard's online catalog lists 23018853 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 51698 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 51698 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 551698 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 551698 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 85698 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 85698 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 92698 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 92698 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ C7066 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists C7066 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ E12978827 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists E12978827 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC8900FUD16H page in verification queue | Pall | partial | Fleetguard's online catalog lists HC8900FUD16H as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC8900FUD16Z page in verification queue | Pall | partial | Fleetguard's online catalog lists HC8900FUD16Z as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HC8900FUP16Z page in verification queue | Pall | partial | Fleetguard's online catalog lists HC8900FUP16Z as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF0751800 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF0751800 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ LH4262 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists LH4262 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P167942 page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P167942 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ P89150HFB page in verification queue | Donaldson | partial | Fleetguard's online catalog lists P89150HFB as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PF1146 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PF1146 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PT320 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists PT320 as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT320-MPG | Baldwin Filters | partial | Fleetguard's online catalog lists PT320MPG as an interchange for HF7518. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ VE1056 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists VE1056 as an interchange for HF7518. 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 HF7518 model number is decoded
- HF7518Fleetguard HF-series hydraulic cartridge element part number.
- 428.5 mmOverall height.
- 96.27 mmLargest outside diameter.
- 56.39 mmLargest end inside diameter.
- 3 µm at β75(c); 5 µm at β200(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 3 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 HF7518 filter element?
The published envelope is 96.27 mm OD × 428.5 mm length with a 56.39 mm inside diameter (3.790 × 16.870 in × 2.220 in ID). Confirm against the housing drawing before ordering.
What micron rating does HF7518 use?
This element is rated 3 µm absolute — 3 µm at β75(c); 5 µm at β200(c) per ISO 16889. Always compare Beta ratings at the same test point: two brands may print different micron numbers for the same physical grade.
What replaces the HF7518 filter element?
23 partial match(es) requiring parameter review
How do I read the HF7518 part number?
See the designation decoder above: each segment of HF7518 encodes size, line type, filtration grade and media/collapse execution.
Is a same-envelope aftermarket element always a drop-in replacement?
No. Matching OD and length only proves the cartridge fits the bowl. End-cap style, seal compound, micron/Beta rating, collapse pressure and bypass configuration must also match; the table above tags every equivalent as full, partial or verify for exactly this reason.
How often should a hydraulic return-line element be replaced?
Replace at the housing manufacturer’s recommended differential-pressure setting (commonly signalled by a clogging indicator), or on a time-based service interval when no indicator is fitted — never wait for bypass to open continuously, because unfiltered oil then reaches the valves.
Same-envelope elements from other brands
View full interchange →These 3 catalog element(s) share the 96×429 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.