Fleetguard · HF Hydraulic · inline line
HF7966 filter element: specifications & equivalents
The HF7966 is a Fleetguard inline-line hydraulic filter element, sized 203 × 545 mm OD × length (ID 157 mm), rated at 10 µm absolute (10 µm at β75(c); 11 µm at β200(c) per ISO 16889). Verify against the current manufacturer data sheet before ordering.
Envelope OD × L 203 × 545 mm
Inside diameter 157 mm
Filtration rating 10 µm abs.
Beta rating 10 µm at β75(c); 11 µm at β200(c) per ISO 16889
Collapse / burst 8 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 |
| Filtration rating | 10 µm |
| Rating basis | absolute |
| Beta ratio | 10 µm at β75(c); 11 µm at β200(c) per ISO 16889 |
| Outside diameter OD | 203 mm |
| Inside diameter ID | 157 mm |
| Length | 545 mm |
| End caps | open-ended cartridge element |
| Rated flow | 1000 L/min |
| Collapse / burst pressure | 8 bar |
| Integral bypass valve | none (housing/valve-dependent) |
| Manufacturer part no. | HF7966 |
| 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 | 203 mm (7.992 in) |
| Inside diameter | 157 mm (6.181 in) |
| Overall length | 545 mm (21.457 in) |
All 203×545 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
|
↔ 151816138 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 151816138 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 1816138 page in verification queue | UFI | partial | Fleetguard's online catalog lists 1816138 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 3613596 page in verification queue | UFI | partial | Fleetguard's online catalog lists 3613596 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 4653972 page in verification queue | UFI | partial | Fleetguard's online catalog lists 4653972 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ 551981 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists 551981 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ CE0062H page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists CE0062H as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ FC1113Q010BS page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists FC1113Q010BS as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HF0796600 page in verification queue | Fleetguard | partial | Fleetguard's online catalog lists HF0796600 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ HY2850 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists HY2850 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ K1001060H page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists K1001060H as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ MR8502A10A page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists MR8502A10A as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ PR4432 page in verification queue | Parker | partial | Fleetguard's online catalog lists PR4432 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT8990-MPG | Baldwin Filters | partial | Fleetguard's online catalog lists PT8990MPG as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
| ↔ PT8990-MPG | Baldwin Filters | partial | Baldwin's Form 561 Number-Finder cross-reference lists HF7966 (FLEETGUARD) as replaced by Baldwin PT8990-MPG. Form/fit listing without published performance data — verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ R742G10 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists R742G10 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ RFC7402110GV page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists RFC7402110GV as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ SH53016 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists SH53016 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ TXW1210B page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TXW1210B as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ TXW1210BQA page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TXW1210BQA as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ TXW12CC10 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TXW12CC10 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ TXW12GDL10 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists TXW12GDL10 as an interchange for HF7966. Envelope cross-reference; verify micron grade, collapse rating and seal configuration before substituting. |
|
↔ WGTW12CC10 page in verification queue | Aftermarket | partial | Fleetguard's online catalog lists WGTW12CC10 as an interchange for HF7966. 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 HF7966 model number is decoded
- HF7966Fleetguard HF-series hydraulic cartridge element part number.
- 545 mmOverall height.
- 203 mmLargest outside diameter.
- 157 mmLargest end inside diameter.
- 10 µm at β75(c); 11 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).
- 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 HF7966 filter element?
The published envelope is 203 mm OD × 545 mm length with a 157 mm inside diameter (7.992 × 21.457 in × 6.181 in ID). Confirm against the housing drawing before ordering.
What micron rating does HF7966 use?
This element is rated 10 µm absolute — 10 µm at β75(c); 11 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 HF7966 filter element?
22 partial match(es) requiring parameter review
How do I read the HF7966 part number?
See the designation decoder above: each segment of HF7966 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 6 catalog element(s) share the 203×545 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.