Description
Fleetguard AF1968M is a primary radial-seal engine air filter for heavy-duty diesel trucks, replacing Mack 85123524 and Donaldson P153551. The element uses Fleetguard’s high-efficiency synthetic media in a round canister format with 11.67″ OD and 22.40″ overall length, sized for the radial-seal air-cleaner housings used across Mack, Freightliner, Kenworth, and Peterbilt Class 8 platforms.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | AF1968M |
| Part Type | Primary Air Filter (Radial Seal) |
| Length | 22.40 in |
| Largest OD | 11.67 in |
| Cover Diameter | 11.67 in |
| End 2 OD | 10.59 in |
| End 2 ID | 6.71 in |
| Supersedes | AF1968 / AF26328M |
Cross References
This air filter replaces or is equivalent to the following part numbers:
- Mack: 85123524
- Donaldson: P153551
- Baldwin: PA2705, CA3990
- Wix: 46883
- Luber-finer: LAF3551
- Freightliner: CA3990
- Fleetguard supersession: AF1968, AF26328M
Applications
This primary air filter fits Class 8 trucks using radial-seal air cleaners with 11.67″ cover diameter, including:
- Mack CH, CL, CV Granite (with Mack E7 / ASET)
- Freightliner FLD120, FLD132, FL112 with Donaldson FRG-style housings
- Kenworth T800, T600 (Donaldson radial-seal housing)
- Peterbilt 367, 379 with Donaldson radial-seal housing
- Industrial / off-highway equipment using Donaldson FRG07 housings
Verify your air-cleaner cover diameter and seal style (radial vs axial) before ordering. AF1968M uses radial-seal media; older axial-seal housings require a different filter.
