See 2 verified Filter replacements for 51521, including Baldwin B163, plus 82 OEM numbers on the same page.
51521 is a Wix filter with 100 OEM matches and 2 verified alternative filters from 21 brands. Start with the interchange list below, then confirm fitment against the original application before ordering.
See 2 verified Filter replacements for 51521, including Baldwin B163, plus 82 OEM numbers on the same page.
The most visible replacements we currently show for 51521 are listed below. Treat them as a starting point for interchange research, then confirm application details before you swap filters in service.
Cross-reference data helps you build a shortlist, but it should not be the last step. Before buying a replacement for 51521, verify the application, dimensions, seal or thread style, and service interval requirements against your current filter. If the equipment manual or supplier data disagrees with the lookup result, follow the equipment-side specification first.
| OEM Number | Brand | Source |
|---|---|---|
| WF100F .................24071 X 122 | AC DELCO AC DELCO | wix |
| 479 X 36 .....................51411 X 4026 E | - | wix |
| X 4081 E | - | wix |
| X 4096 E | - | wix |
| ADM 52216 .............WA6335 ADN 12119 | ADL (BLUEPRINT) ADL (BLUEPRINT) | wix |
| L-324/610.2 .............42481 O-93/93.6 | - | wix |
| L-332/420.0 .............49961 O-93/105.3 | - | wix |
| SP 607 | - | wix |
| SP 640 M ...............33327 SP 1495 | ASAS ASAS | wix |
| SP 648 M ...............33690 SP 1507 | ASAS ASAS | wix |
| SP 1424 .................51791 SPC 206 | - | wix |
| 5001312892 | - | wix |
| BT8892MPG ...........51721 BT40028 | - | wix |
| 1119809 | BAP/GEON | wix |
| 05 000 | BECKER | wix |
| 05 | BECKER | wix |
| 31 2 | BECKER | wix |
| 103 022 | - | wix |
| 0 451 103 167 | - | wix |
| 0 451 103 286-44N ....WL7324 0 451 103 903 | BOSCH BOSCH | wix |
| 0 986 452 005 | 51348 e | wix |
| 0 986 452 905 | - | wix |
| 0 986 452 930 | - | wix |
| 9 457 282 410 | BOSCH | wix |
| P 3257 | BOSCH | wix |
| 86402050 | 479 46438NP | wix |
| 9L1695 .............Hsg42853 9Y-4506 | - | wix |
| CA7560 .................46056 CO2817 | - | wix |
| CA7826 .................46097 CO2830 | - | wix |
| PH 2904 ................51311 PH2820 | - | wix |
| 0AC00286 ..............46643 0FE00130 | - | wix |
| 68164981AA ...........24871 75221405 | - | wix |
| 6515541 ................51551 6675517 | - | wix |
| Z 79 | - | wix |
| Z 80 | - | wix |
| FP5697 .................WF8312 FT4761 | - | wix |
| FP5761 .................WF8400 FT4781 | - | wix |
| FP5867 .................WF8409 FT4826 | - | wix |
| FP5875 .................WF8307 FT4826CS | - | wix |
| FT4986 | - | wix |
| 51189 529 | - | wix |
| 661 | - | wix |
| 20130 ...................33930 40111-834 | - | wix |
| A4011 ...................42071 D402 | - | wix |
| P550587 ................33472 P550711 | - | wix |
| LF379F | Metal33032 | wix |
| FLI9215 .................42985 FT4828A | FIAAM FIAAM | wix |
| ZP 507 B ................WL7098 ZP 3009 A | - | wix |
| ZP 507 C ................WL7203 ZP 3009 B | - | wix |
| EC | WL10312 | wix |
| LF3435 | 51789MP | wix |
| LF3630 ..................51734 LF3795 | - | wix |
| LF3682 ..................51068 LF3933 | - | wix |
| 7R3Z9601AA ...........46936 70 HM 6714 AA | - | wix |
| 7S7G-6714-AA .........57503 70 HM 6714 BB | - | wix |
| 8C3Z9N184C ..........33963 74 HM 6714 CA | - | wix |
| 8C4Z9N184A ...........33432 74 HM 6714 CB | - | wix |
| 84GT7A098AC .........58841 692 M 6714 AA | FORD FORD | wix |
| 1152 5472 | - | wix |
| 677 | - | wix |
| 5012 554 | FORD | wix |
| 5014 055 | FORD | wix |
| 5016 957 | FORD | wix |
| 11464 619 ..............WA6383 3963906 | - | wix |
| C6JZ6714B | FORD | wix |
| E4NN6714AA | E3TZ9601B ..w/o wrap46048 | wix |
| E6SZ9601B ............46128 E9NN6714AA | - | wix |
| YL4J 6714 CA ..........51647 10.14.03/110 | - | wix |
| FORDSON 10.23.03/110 | - | wix |
| PA6686 .................46571 PH9W | - | wix |
| PCS10537 ..............33416 PH964PL | WF10050 419 51521 | wix |
| 24006 PH2800-1 | WF10050 419 51521 | wix |
| PH2814 | 51348 r | wix |
| PH2855A | - | wix |
| PH2857 | - | wix |
| PH2861A | - | wix |
| PH2920 | - | wix |
| 25010341 | - | wix |
| 91112038 ...............WA6506 93156669 | - | wix |
| FG 504 ..................WF8059 OG 218 | - | wix |
| FG 1055 ................33112 OG 512 | - | wix |
| 2224524 | - | wix |
This page is designed to help you move from a part number to a verified shortlist. We combine OEM references, equivalent filter matches, and related pages so you can compare options faster without losing the original application context.
If you are sourcing for maintenance, fleet purchasing, or overseas supply, use the OEM list and related replacements together. That approach is safer than choosing a substitute based only on a similar-looking part number.
51521 has verified cross-reference replacements such as B163 and P550095. Always confirm fitment against the original application before you swap filters.
51521 and B163 are different part numbers, but B163 is listed as a verified Baldwin equivalent in the FilterXRef database.
51521 is connected to 21 brands in our records, including AC DELCO AC DELCO, ADL (BLUEPRINT) ADL (BLUEPRINT), ASAS ASAS, and BAP/GEON and 17 more brands. Use those references as a starting point, then verify the application before buying.
Before replacing 51521, verify the application, dimensions, thread or seal style, and service requirements against your current filter. Cross-reference data should narrow the shortlist, but final fitment should always be confirmed on the equipment side.
Learn how filter cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
Learn how wix filter cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
Learn how to decode oil filter part numbers from Baldwin, Wix, NAPA, and FRAM. Master the cross-reference process to find the perfect replacement filter for any vehicle or equipment.
We source Wix 51521 and compatible replacements directly from OEM-equivalent factories in China. Competitive pricing, flexible MOQ.