PART CROSS REFERENCE · INDUSTRIAL FILTERS

WK 521/3MANN-FILTER cross reference & alternatives

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MANN-FILTER WK 521/3 has 26 recorded cross-reference matches across 23 manufacturers. Research equivalent, alternate or similar parts using the listed candidates, and check their source notes before selecting a replacement.

26Direct crosses
Updating2nd-degree candidates · Unverified
23alternate manufacturers
1reference sources
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WK 521/3 equivalents, alternate parts & cross references

Recorded alternatives for this lookup direction. Each source may carry conditions or differences.

Technical notes
Technical notes

ALCO SP-1349 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 152, column 1; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

Technical notes
Technical notes

BMW 16 12 6 765 756 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 8, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

BOSCH (KSN)

N6463

Technical notes
Technical notes

BOSCH (KSN) N6463 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 212, column 4; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

Technical notes
Technical notes

BOSCH 0 450 906 463 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 192, column 1; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

CHAMPION

CFF100435

Technical notes
Technical notes

CHAMPION CFF100435 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 223, column 5; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

CHAMPION

L 435

Technical notes
Technical notes

CHAMPION L 435 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 226, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

CHAMPION

L 435/606

Technical notes
Technical notes

CHAMPION L 435/606 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 226, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

COMLINE

EFF304D

Technical notes
Technical notes

COMLINE EFF304D versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 241, column 1; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

COOPERS

FSM 4296

Technical notes
Technical notes

COOPERS FSM 4296 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 247, column 5; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

COOPERSFIAAM

FP5906

Technical notes
Technical notes

COOPERSFIAAM FP5906 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 252, column 1; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

CROSLAND

5337

Technical notes
Technical notes

CROSLAND 5337 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 267, column 2; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

DELPHI

HDF550

Technical notes
Technical notes

DELPHI HDF550 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 273, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

DR!VE+ (NEXUS)

DP1110130272

Technical notes
Technical notes

DR!VE+ (NEXUS) DP1110130272 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 292, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

Technical notes
Technical notes

GUD E 123 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 360, column 5; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

HENGST

H428WK

Technical notes
Technical notes

HENGST H428WK versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 376, column 4; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

HIFI-FILTER (JURA FILTRATION)

SN 70259

Technical notes
Technical notes

HIFI-FILTER (JURA FILTRATION) SN 70259 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 385, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

KS KOLBENSCHMIDT

50 013 908

Technical notes
Technical notes

KS KOLBENSCHMIDT 50 013 908 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 413, column 5; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

KS KOLBENSCHMIDT

908-FP

Technical notes
Technical notes

KS KOLBENSCHMIDT 908-FP versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 417, column 5; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

MAHLE (KNECHT/MAHLE)

KL 473

Technical notes
Technical notes

MAHLE (KNECHT/MAHLE) KL 473 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 433, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

MEAT & DORIA

4769

Technical notes
Technical notes

MEAT & DORIA 4769 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 458, column 1; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

Technical notes
Technical notes

MEYLE 314 323 0007 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 472, column 2; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

PURFLUX

FCS757

Technical notes
Technical notes

PURFLUX FCS757 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 526, column 5; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

SOFIMA

S 1839 B

Technical notes
Technical notes

SOFIMA S 1839 B versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 570, column 5; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

TECNOCAR

RN90

Technical notes
Technical notes

TECNOCAR RN90 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 599, column 1; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

Technical notes
Technical notes

UFI 31.839.00 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 615, column 1; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

Technical notes
Technical notes

VAICO V20-8145 versus MANN-FILTER WK 521/3:

MANN-FILTER 2024-26 comparative list, printed page 625, column 3; exact original/brand/target also checked in the separate alphabetical index. Manufacturer-listed comparison, not independently certified drop-in equivalence. Original source identity and code retained; OEM codes do not establish origin or current availability. Verify current application, dimensions/mounting, connections/threads, seals, medium, filtration and flow ratings, bypass/collapse pressure, temperature and required accessories. Full current datasheet/drawing verification not performed. Original-to-MANN recommendation; reverse lookup retains this orientation and does not approve reverse substitution. No competitor-to-competitor inference.

EXPLORE INDIRECT CONNECTIONS

Second-degree candidates

Find additional research candidates through a shared connecting part. Each result is labeled Second-degree candidate · Unverified and shows both recorded source relationships.

Two recorded crosses do not establish a verified equivalent. Compare current specifications, interfaces, ratings, cable requirements and the same PCB footprint or panel fit before substitution. Candidate counts are separate from direct-cross and part totals.

WK 521/3 replacement and similar-part research

Looking for an equivalent or alternate to MANN-FILTER WK 521/3? The 26 recorded candidates above link to individual part pages and the evidence behind each relationship.

A recorded cross reference does not establish a drop-in replacement. Compare current datasheets, package or mounting dimensions, pinout, electrical ratings and operating conditions for your application. Similar parts can differ in critical specifications.

Browse more MANN-FILTER cross references → · Request help researching this part →

MANUFACTURER DOCUMENTATION

MANN-FILTER WK 521/3 specifications & datasheets

No part-specific datasheet link has been verified in this record. Document-search links are provided to help locate current specifications.

TRACE THE REFERENCE

Source coverage & limitations

Counts describe recorded relationships, not stock, sales, testing or independent qualification. Manufacturer-and-part identities remain separate. Indexing dates do not establish current specifications or availability.

Check current manufacturer documents and electrical, mechanical, environmental and application requirements before selecting a replacement.

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