Fleetguard AF4770K cross reference

Baldwin lists PA2977-FN as the replacement for AF4770K.

Source: Baldwin Manufacturers' Cross-Reference, Form 560-24 (2024). AF4770K is newer than Fleetguard's last published cross-reference index (2012), so no Fleetguard-published crosses are shown.

Upgrade chains run one way: equipment spec'd with a newer filter number should not step back to the older one. Go by what the truck was spec'd with.

Always verify against the current OEM catalog before ordering. Cross references are a starting point, not a guarantee of fit.

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