AF4721 Cross Reference
Fleetguard replacement lookup and OEM interchange guide
Quick Answer
AF4721 is a Fleetguard air filter that replaces 44 OEM part numbers. Use the table below to check which original equipment numbers are covered before you order a replacement.
How to Verify a Replacement
Cross-reference data helps you build a shortlist, but it should not be the last step. Before buying a replacement for AF4721, 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 Part Numbers Replaced by AF4721
| OEM Number | Brand | Source |
|---|---|---|
| NAPA 1276-02 | OEM | fleetguard |
| FF5103 CASE 204645 | CECO | fleetguard |
| CASE 3072254-M91 | OEM | fleetguard |
| 3214303400 | OEM | fleetguard |
| OMCAR 47220-31800 | OEM | fleetguard |
| NEWH 47220-32111 | OEM | fleetguard |
| 70356-N | OEM | fleetguard |
| 07-3-0283-0 | OEM | fleetguard |
| AF4181 IHCH 87422 | CARQ | fleetguard |
| BIGA 9.22.904.17 | SAVAR | fleetguard |
| BIGA 93422 | OEM | fleetguard |
| DMBZ A394C | AC | fleetguard |
| TCNC A72138 | OEM | fleetguard |
| AF373 CHAMP AF-1472 | CHAMP | fleetguard |
| PURO AF-210 | OEM | fleetguard |
| HAST AF-2138 | PURO | fleetguard |
| HAST AF2141 | HAST | fleetguard |
| COPR AG208 | OEM | fleetguard |
| ARM-18-1002 | A-R | fleetguard |
| COPR AZA370T | OEM | fleetguard |
| AF1929 FRAM CA-502 | FRAM | fleetguard |
| CFM323 | OEM | fleetguard |
| D0HA-9600-U | OEM | fleetguard |
| WIX DU1958 | COPR | fleetguard |
| HGST E70211003 | OEM | fleetguard |
| FF5380 FRAM FCA-3394 | SOPR | fleetguard |
| DONH FWG-16-0049 | DONH | fleetguard |
| DONH FWG-16-0081 | DONH | fleetguard |
| GNHR GA-6129M | OEM | fleetguard |
| RYCO HDA-5699 | OEM | fleetguard |
| RYCO HDA-6632 | OEM | fleetguard |
| AF447 KRAL LA-323 | KRAL | fleetguard |
| CHAMP LAF-2821 | OEM | fleetguard |
| AF899M CASE P10-6632 | DON | fleetguard |
| P11-0560 | OEM | fleetguard |
| AF350K1 DON P15-5307 | DON | fleetguard |
| P18-1002 | DON | fleetguard |
| HAST P80-2509 | DON | fleetguard |
| DON P80-3913 | DON | fleetguard |
| DON P80-3919 | DON | fleetguard |
| BALD PA-2678 | BALD | fleetguard |
| FARLN R80-4203 | OEM | fleetguard |
| AF1625 JDEER U0-6632 | UAC | fleetguard |
| YYP106632 | OEM | fleetguard |
About This Cross Reference Page
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.
Frequently Asked Questions
Which OEM part numbers does AF4721 replace?
AF4721 replaces OEM part numbers such as NAPA 1276-02, FF5103 CASE 204645, and CASE 3072254-M91 plus 41 additional OEM numbers. Use the cross-reference table to review the supported original equipment numbers.
Which brands are associated with AF4721?
AF4721 is connected to 18 brands in our records, including OEM, CECO, CARQ, and SAVAR and 14 more brands. Use those references as a starting point, then verify the application before buying.
How should I verify a Fleetguard replacement for AF4721?
Before replacing AF4721, 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.
Related Articles
More filter guidesFilter Cross Reference: How to Find the Right Replacement
Learn how filter cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
Fleetguard Filter Cross Reference: How to Find the Right Replacement
Learn how fleetguard filter cross reference works, which specs to verify, and how to avoid mismatched filters when replacing parts.
How to Read Oil Filter Part Numbers: Complete Cross Reference Guide
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.
Related Filters
More Fleetguard filtersNeed This Filter? Get Factory Price
We source Fleetguard AF4721 and compatible replacements directly from OEM-equivalent factories in China. Competitive pricing, flexible MOQ.