It is widely applied in the air intake systems of Caterpillar's own various medium-to-large construction machinery (such as excavators, bulldozers, wheel loaders, and asphalt pavers), as well as select American commercial trucks and large-displacement diesel engines.
Product Detail
Aftermarket Replacement for Donaldson Air Filter P532503
Reference price only. Final pricing depends on quantity, packaging, destination, and trade terms.
- Dimensions
- OD:278.6 ID:147.6 H:417.5 mm
- Packaging
- Moisture-proof bag+Cardboard box
Send model or photo
Share the current number or product image.
Verify fitment
We check specifications and application.
Confirm the quote
Agree sample, packaging, lead time and price.

Buyer decision support
Cross-reference check
Treat C281045, AF25129M, and 6I25303 as reference numbers, then confirm dimensions, sealing, thread, flow direction, and service interval before replacement.
OEM and private-label supply
For P532503, Precise can discuss samples, stable production, packaging, labeling, and OEM/private-label requirements from MOQ 100 pieces.
Information to send
Send the current part number, product photos, dimensions or drawings, Filtration Efficiency, Dimensions, Replacement Interval, and Weight, quantity, destination market, and packaging request to speed up verification.
Technical Specifications
| Parameter | Value |
|---|---|
| Filtration Efficiency | |
| Dimensions | OD:278.6 ID:147.6 H:417.5 mm |
| Replacement Interval | |
| Weight | |
| Packaging | Moisture-proof bag+Cardboard box |
| Filter Media Brand | H&V; Ahlstrom |
Frequently asked questions
- What is the Precise P532503 Air Filter - Engine?
- Precise P532503 is a heavy-duty Air Filter - Engine engineered to OEM-quality standards as a direct replacement. It is built to match the original dimensions, fit and filtration performance for a no-modification interchange.
- What does Precise P532503 cross-reference to?
- Precise P532503 cross-references to C281045, AF25129M, and 6I25303, among others. Send us any reference number and we will confirm the exact match.
- What are the specifications of Precise P532503?
- Key specifications of Precise P532503: Filtration Efficiency: , Dimensions: OD:278.6 ID:147.6 H:417.5 mm, Replacement Interval: , Weight: , Packaging: Moisture-proof bag+Cardboard box. Always confirm these against your machine and operating conditions before ordering.
- What is the minimum order quantity and lead time for Precise P532503?
- Precise P532503 ships at a minimum order quantity of 100 pieces, with distributor and fleet pricing and lead time on request. Contact us with the part number for a quote.
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