STAUFF · Replacement Elements · inline line
SE-021-G-20-B filter element: specifications & equivalents
The SE-021-G-20-B is a STAUFF inline-line hydraulic filter element, sized 56.5 × 170 mm OD × length (ID 25.7 mm). Verify against the current manufacturer data sheet before ordering.
Micron rating, media type, collapse pressure and seal material are not printed in the STAUFF interchange listing and are pending extraction from STAUFF product data sheets. Verify against the current STAUFF catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Filter type | inline line |
| Outside diameter OD | 56.5 mm |
| Inside diameter ID | 25.7 mm |
| Length | 170 mm |
| End caps | open-ended cartridge element |
| Integral bypass valve | none (housing/valve-dependent) |
| Source catalog | STAUFF: STAUFF Filter Interchange online database (filterinterchange.com) |
| Last verified | 2026-09-28 |
Sources: STAUFF — STAUFF Filter Interchange online database (filterinterchange.com) — accessed 2026-09-27.
STAUFF® and all model designations are trademarks of their respective owners, used here for identification only — ElementRef is an independent reference site, not an authorized STAUFF distributor.
Dimensional drawing
Dimensions & series range
| Outside diameter | 56.5 mm (2.224 in) |
| Inside diameter | 25.7 mm (1.012 in) |
| Overall length | 170 mm (6.693 in) |
All 57×170 mm interchange elements →
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| ↔ 0075 D 020 ON | HYDAC | partial | STAUFF Filter Interchange lists 1262051 (HYDAC) as replaced by SE-021-G-20-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ 70380504 page in verification queue | UFI | partial | STAUFF Filter Interchange lists 70380504 (COMEX / Ecoparts) as replaced by SE-021-G-20-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
|
↔ H0075DN2016 page in verification queue | Aftermarket | partial | STAUFF Filter Interchange lists H0075DN2016 (COMEX / Ecoparts) as replaced by SE-021-G-20-B. Envelope dimensions are published; media grade and performance data are not — confirm before substituting in cleanliness-critical circuits. |
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.
Full chart: STAUFF cross reference chart →
How the SE-021-G-20-B model number is decoded
- SE-021-G-20-BSTAUFF replacement element part number per the STAUFF Filter Interchange database.
Typical equipment & applications
- Replacement element for OEM hydraulic filter housings
Selection pitfalls — read before you substitute
- 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 SE-021-G-20-B filter element?
What replaces the SE-021-G-20-B filter element?
Is a same-envelope aftermarket element always a drop-in replacement?
Same-envelope elements from other brands
View full interchange →These 12 catalog element(s) share the 57×170 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.
Other models in the Replacement Elements series
All 4930 (list page 7/10) →Reviewed & verified by the ElementRef engineering desk against STAUFF on 2026-09-28. Read our editorial & correction policy.