Filtrec · Filtrec elements · inline line

A121C10 filter element: specifications & equivalents

Q: What are the dimensions of the A121C10 filter element?

The published envelope is 129 mm OD × 228 mm length (5.079 × 8.976 in). Confirm against the housing drawing before ordering.

Q: What micron rating does A121C10 use?

This element is rated 10 µm (nominal class) — β10(c)≥2. Always compare Beta ratings at the same test point: two brands may print different micron numbers for the same physical grade.

The A121C10 is a Filtrec inline-line hydraulic filter element, built with cellulose media, sized 129 × 228 mm OD × length, rated at 10 µm class (β10(c)≥2). Verify against the current manufacturer data sheet before ordering.

Envelope OD × L 129 × 228 mm

Filtration rating 10 µm nom.

Beta rating β 10(c)≥2

Media cellulose

Line type inline

Catalog verified. Parameters extracted from the manufacturer’s electronic catalog / official interchange document and checked 2026-10-03. Confidence score 0.90.

Dimensions and media grade are taken from Filtrec’s official Cross Navigator, which maps this element to specific competitor part numbers. Filtrec does not publish collapse pressure or seal compound in this API for every code — verify collapse rating, seal execution and bypass setting against the current Filtrec data sheet for the target housing before ordering.

Specification table

Parameter	Value
Filter type	inline line
Media	cellulose
Filtration rating	10 µm
Rating basis	nominal
Beta ratio	β10(c)≥2
Outside diameter OD	129 mm
Length	228 mm
Integral bypass valve	none (housing/valve-dependent)
Manufacturer part no.	A121C10
Source catalog	Filtrec S.p.A.: Filtrec Cross Navigator
Last verified	2026-10-03

Sources: Filtrec S.p.A. — Filtrec Cross Navigator — accessed 2026-10-03.

Filtrec® and all model designations are trademarks of their respective owners, used here for identification only — ElementRef is an independent reference site, not an authorized Filtrec distributor.

Dimensional drawing

Reference drawing generated from the source values cited on this page — nominal envelope, schematic section, not a manufacturer drawing. The PDF is A3 landscape and vector; the PNG is sized for a WhatsApp preview. Confirm thread, end caps, seal compound and micron/Beta grade against the original element before ordering.

Dimensions & series range

Outside diameter	129 mm (5.079 in)
Overall length	228 mm (8.976 in)

All 129×228 mm interchange elements →

Cross references & equivalents

Equivalent model	Brand	Match level	Note
↔ 7SL130P10P page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps EPPENSTEINER 7.SL130P10P to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 80130P10S000M page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps REXROTH 80.130P10S000M to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 80130P10S000P page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps EPPENSTEINER 80.130P10S000P to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 8020P10S000P page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps EPPENSTEINER 80.20P10S000P to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 80260P10S000M page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps REXROTH 80.260P10S000M to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 80260P10S000P page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps EPPENSTEINER 80.260P10S000P to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 87SL130P10P page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps EPPENSTEINER 8.7SL130P10P to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 87SL260P10P page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps EPPENSTEINER 8.7SL260P10P to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 9455251456 page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps BOSCH 9455251456 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ A04A10C page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps WIX A04A10C to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ A05A10C page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps WIX A05A10C to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ AS602NP10B page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps FAIREY ARLON AS602NP10B to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ BT8476	Baldwin Filters	full	Filtrec's official Cross Navigator maps BALDWIN BT8476 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ CS15000P10A page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps FAI FILTRI CS15000P10A to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ CS150P10AP01	MP Filtri	full	Filtrec's official Cross Navigator maps MP FILTRI CS150P10A to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ FC1053N010BS page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps FINN FILTER FC1053N010BS to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ FD35P10 page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps DOMANGE FD35P10 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ FHL4M10 page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps FBN FHL4M10 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ HF6822	Fleetguard	full	Filtrec's official Cross Navigator maps FLEETGUARD HF6822 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ HF7971	Fleetguard	full	Filtrec's official Cross Navigator maps FLEETGUARD HF7971 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ OF35P10 page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps DOMANGE OF35P10 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ S15220P10 page in verification queue	Aftermarket	full	Filtrec's official Cross Navigator maps EUROFILTER S15220P10 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade.
↔ 51680	WIX Filters	partial	Filtrec's official Cross Navigator maps WIX 51680 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade. Rated micron differs (9 vs 10 µm) — verify efficiency class and collapse/seal for the housing before substituting.
↔ HF35082	Fleetguard	partial	Filtrec's official Cross Navigator maps FLEETGUARD HF35082 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade. Rated micron differs (35 vs 10 µm) — verify efficiency class and collapse/seal for the housing before substituting.
↔ HF6359	Fleetguard	partial	Filtrec's official Cross Navigator maps FLEETGUARD HF6359 to FILTREC A121C10 as a direct replacement, publishing the FILTREC element's OD/ID/height envelope and media grade. Rated micron differs (75 vs 10 µm) — verify efficiency class and collapse/seal for the housing before substituting.
↔ SFC-5810-E	STAUFF	partial	STAUFF Filter Interchange lists A121C10 (FILTREC) as replaced by SFC-5810-E. 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: Filtrec cross reference chart →

How the A121C10 model number is decoded

C10Filtrec internal media grade code (cellulose, 10 µm).

Typical equipment & applications

Filtrec aftermarket replacement hydraulic/lube filter element (A family), form-fit-function cross-referenced in Filtrec's official Cross Navigator.

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.

Frequently asked questions

What are the dimensions of the A121C10 filter element?

The published envelope is 129 mm OD × 228 mm length (5.079 × 8.976 in). Confirm against the housing drawing before ordering.

What micron rating does A121C10 use?

This element is rated 10 µm (nominal class) — β10(c)≥2. Always compare Beta ratings at the same test point: two brands may print different micron numbers for the same physical grade.

What replaces the A121C10 filter element?

22 catalog-confirmed full match(es) (7SL130P10P, 80130P10S000M, 80130P10S000P…); 4 partial match(es) requiring parameter review

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.

Same-envelope elements from other brands

View full interchange →

These 12 catalog element(s) share the 129×228 mm envelope. Envelope match alone does not guarantee interchangeability — compare micron/Beta, seals and collapse rating.

A121C10/6 Filtrec · 10 µm A121C25 Filtrec · 25 µm A121C25/5 Filtrec · 25 µm A121CW10 Filtrec A121T125 Filtrec · 125 µm A121T60 Filtrec · 60 µm HF6135 Fleetguard · 6 µm HF6136 Fleetguard · 16 µm HF6137 Fleetguard · 1 µm HF6226 Fleetguard · 26 µm

Other models in the Filtrec elements series

All 9874 (list page 1/20) →

A105C05 96×60 mm · 5 µm A105C10 96×60 mm · 10 µm A105C25 96×60 mm · 25 µm A105G03 96×60 mm · 5 µm A105G06 96×60 mm · 7 µm A105G10 96×60 mm · 12 µm A105G25 96×60 mm · 22 µm A105T125 96×60 mm · 125 µm A105T250 96×60 mm · 250 µm A105T60 96×60 mm · 60 µm

Reviewed & verified by the ElementRef engineering desk against Filtrec S.p.A. on 2026-10-03. Read our editorial & correction policy.