AF25858 Heavy-Duty Radial Seal Primary Air Filter for Peterbilt & Case Equipment
AF25858 premium heavy-duty radial seal air filter for Peterbilt X12/ISX12 trucks and Case Construction equipment. Cross reference RS4564. Factory direct.
Description
The AF25858 air filter is a premium heavy-duty radial seal primary air filter, engineered for equipment operating in harsh, dusty environments. It’s used on Peterbilt trucks equipped with X12 and ISX12 engines, as well as Case Construction equipment. IXIN Filter manufactures this filter to OEM-equivalent specifications, giving fleets and dealers a reliable, factory-direct alternative for scheduled air filter replacement.
As an IATF 16949-certified filter manufacturer, IXIN supplies the AF25858 air filter to distributors, fleet operators and service centers in 60+ countries, with consistent batch quality and full traceability for bulk and OEM orders.
Product Specifications
| Attribute | Detail |
|---|---|
| Product Type | Premium Heavy-Duty Radial Seal Primary Air Filter |
| Overall Height | 21.57 in (548 mm) |
| Outer Diameter (End 1) | 11.22 in (285 mm) |
| Inner Diameter (End 1) | 6.82 in (173 mm) |
| Inner Diameter (End 2) | 11.15 in (283 mm) |
| Certification | IATF 16949 |
Compatible Vehicles & Equipment
- Peterbilt trucks equipped with X12 or ISX12 engines
- Case Construction equipment
Note: Given the broad application across both on-road trucks and construction equipment, confirm your specific vehicle/equipment model and engine configuration against the OE part number before ordering.
AF25858 Cross Reference / OE Replacement Numbers
The AF25858 air filter is a direct cross reference and replacement for the following OE and aftermarket part numbers:
| Brand / Source | Part Number |
|---|---|
| Fleetguard/Cummins Filtration | AF25858 |
| Baldwin | RS4564 |
| Donaldson | P542753 |
| FRAM | CA9871 |
| Hastings | AF2317 |
| NAPA | 6919 |
| WIX | 46919 |
| Carquest | 88919 |
| Champion/Luber-finer | LAF9500 |
| Tec-Fil | P542753 |
Why Choose IXIN’s AF25858 Air Filter
- Premium Radial Seal Performance — Built to a premium radial seal design standard, engineered for equipment operating in harsh, dusty environments.
- Radial Seal Design — Ensures a leak-free fit that prevents unfiltered air from bypassing around the filter edge, a common failure point in lower-quality filters.
- Dual Application Coverage — Fits both on-road Peterbilt trucks (X12/ISX12 engines) and Case Construction equipment, useful for mixed-fleet operators.
- OEM-Equivalent Fit — Manufactured to match OE dimensions for the AF25858, ensuring drop-in compatibility.
- Factory-Direct Supply — As a manufacturer (not a trading company), IXIN offers stable lead times and customization options for private label, packaging and media specification. For guidance on verifying cross reference numbers before a bulk order, see our fuel filter cross reference guide.
Installation & Maintenance Notes
For Peterbilt trucks and Case Construction equipment using the AF25858 air filter, general service steps include:
- Shut down the engine and allow the air intake system to cool before servicing.
- Open the air filter housing and remove the old primary element.
- Inspect the housing for dust buildup or debris before installing the new element.
- Install the new AF25858 filter, ensuring the radial seal seats evenly to prevent unfiltered air bypass, and secure the housing cover.
- Recommended replacement interval: follow your vehicle/equipment’s OEM service schedule, typically based on mileage/hours or a restriction indicator reading.
FAQ
Q: What makes the AF25858 suitable for harsh, dusty environments? A: The AF25858 uses a premium radial seal design intended for equipment operating in harsh, dusty environments, where standard filters may not provide adequate service life.
Q: Is the AF25858 for trucks or construction equipment? A: Both — the AF25858 is used on Peterbilt trucks with X12/ISX12 engines as well as Case Construction equipment. Confirm your specific vehicle/equipment model before ordering.
Q: What’s the difference between IXIN’s AF25858 and the OEM Fleetguard filter? A: IXIN manufactures this filter to match OEM dimensions and the premium radial seal design. The main difference is price and lead time — IXIN offers factory-direct pricing for bulk and OEM orders without compromising fit or filtration performance.
Q: Can I order the AF25858 with custom packaging or private label? A: Yes. IXIN supports customized packaging, labeling and media specifications for distributors and private-label buyers. Contact our sales team with your requirements.
Q: What is the minimum order quantity (MOQ)? A: MOQ varies by customization level. Get in touch with us via WhatsApp or email for current MOQ and lead time on the AF25858 air filter.
