PART CROSS REFERENCE · INDUSTRIAL FILTERS

WK 521/4MANN-FILTER cross reference & alternatives

MANN-FILTER →

MANN-FILTER WK 521/4 has 26 recorded cross-reference matches across 24 manufacturers. Research equivalent, alternate or similar parts using the listed candidates, and check their source notes before selecting a replacement.

26Direct crosses
02nd-degree candidates · Unverified
24alternate manufacturers
1reference sources
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WK 521/4 equivalents, alternate parts & cross references

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

AC DELCO

FS 9300 E

Technical notes
Technical notes

AC DELCO FS 9300 E versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 136, 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

ALCO SP-1396 versus MANN-FILTER WK 521/4:

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

ALCO SP-2136 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 152, 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.

BLUEPRINT

ADG 02343

Technical notes
Technical notes

BLUEPRINT ADG 02343 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 187, 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

BMW 13 32 7 791 034 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 8, 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 13 32 7 794 590 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 8, 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.

BOSCH (KSN)

N6462

Technical notes
Technical notes

BOSCH (KSN) N6462 versus MANN-FILTER WK 521/4:

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 0 450 906 462 versus MANN-FILTER WK 521/4:

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.

COMLINE

EFF136

Technical notes
Technical notes

COMLINE EFF136 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 240, 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.

COOPERS

FSM 4185

Technical notes
Technical notes

COOPERS FSM 4185 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 247, 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.

COOPERSFIAAM

FP5936

Technical notes
Technical notes

COOPERSFIAAM FP5936 versus MANN-FILTER WK 521/4:

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.

DELPHI

HDF551

Technical notes
Technical notes

DELPHI HDF551 versus MANN-FILTER WK 521/4:

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.

FRAM

P11035

Technical notes
Technical notes

FRAM P11035 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 349, 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

H275WK

Technical notes
Technical notes

HENGST H275WK versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 376, 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.

MAGNETI MARELLI

71761683

Technical notes
Technical notes

MAGNETI MARELLI 71761683 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 429, 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.

MAHLE (KNECHT/MAHLE)

KL 477

Technical notes
Technical notes

MAHLE (KNECHT/MAHLE) KL 477 versus MANN-FILTER WK 521/4:

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

4770

Technical notes
Technical notes

MEAT & DORIA 4770 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 458, 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.

MECAFILTER

ELG 5300

Technical notes
Technical notes

MECAFILTER ELG 5300 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 460, 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.

Technical notes
Technical notes

MEYLE 3143230012 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 472, 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.

MOTAQUIP

LVFF 717

Technical notes
Technical notes

MOTAQUIP LVFF 717 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 496, 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

FCS788

Technical notes
Technical notes

PURFLUX FCS788 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 527, 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.

SOFIMA

S 1838 B

Technical notes
Technical notes

SOFIMA S 1838 B versus MANN-FILTER WK 521/4:

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

RN504

Technical notes
Technical notes

TECNOCAR RN504 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 598, 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.

Technical notes
Technical notes

UFI 31.838.00 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 614, 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.

Technical notes
Technical notes

VAICO V20-0711 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 625, 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.

VALEO

587064

Technical notes
Technical notes

VALEO 587064 versus MANN-FILTER WK 521/4:

MANN-FILTER 2024-26 comparative list, printed page 630, 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 521/4 replacement and similar-part research

Looking for an equivalent or alternate to MANN-FILTER WK 521/4? 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 521/4 specifications & datasheets

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

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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.

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