KENWORTH & PETERBILT Engine Air Filter LAF6725 P637453 PA32000 WA11058 501058 – Heavy-Duty Replacement Filter
LAF6725 heavy-duty engine air filter for Kenworth T680/T880 and Peterbilt 567/579 trucks (PACCAR/Cummins). Replaces P637453, PA32000, WA11058, P621725. OEM-quality filtration from IXIN Filter.
Description
LAF6725 Heavy-Duty Engine Air Filter for Kenworth & Peterbilt Trucks
Keep your fleet running at peak performance with our premium heavy-duty engine air filter replacement, specifically engineered for Kenworth and Peterbilt commercial trucks.
Whether your heavy-duty trucks are powered by PACCAR or Cummins engines, this high-efficiency air filter ensures maximum airflow while trapping fine airborne contaminants, dust, and debris. As explained in this overview of engine air filter function, a properly functioning air filter also helps keep fuel combustion clean, supporting better overall fuel economy in addition to protecting internal engine components from debris.
Built to meet or exceed strict OEM standards, IXIN filters offer the perfect balance of rugged reliability and wholesale factory-direct pricing for global distributors and fleet maintenance suppliers.
Cross Reference & Compatibility Part Numbers
To ensure a perfect fit for your fleet, this heavy-duty truck filter is a direct replacement for the following industry part numbers:
| Brand | Cross Reference Part Number |
|---|---|
| Donaldson | P637453 |
| Baldwin | PA32000 |
| Luber-finer | LAF6725 |
| WIX | WA11058 |
| NAPA | 501058 |
| PACCAR | P621725 |
| Champion Laboratories | LAF6725 |
| Carquest | 93787 |
| Grainger | 494P50 |
Compatible Vehicle Models: Widely used in Kenworth T680 and T880, and Peterbilt 567 and 579 heavy-duty commercial trucks (2015-2022) equipped with PACCAR MX11/MX13 or Cummins ISX15/X15 engines.
Key Technical Specifications & Features
- Superior Filtration Efficiency: Cellulose panel filter media rated at approximately 99.95% efficiency (per ISO 5011 testing standard), blocking fine particles to extend engine life and support fuel economy.
- Rugged Construction: Features a heavy-gauge steel structural support inner/outer cage and premium polyurethane (PU) end caps to prevent collapsing under severe, high-vibration off-road or long-haul conditions.
- Optimized Airflow: Engineered to minimize restriction, providing consistent clean air supply to your turbocharger and engine cylinders.
- B2B Supply Advantage: Direct-from-factory source with rigorous QC testing, flexible MOQ, and reliable supply chain support.
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Engine Air Filter (Panel) |
| Part Number | LAF6725 |
| Length | 485.3 mm (19.11 in) |
| Width | 214.1 mm (8.43 in) |
| Height | 214.1 mm (8.43 in) |
| Filter Media | Cellulose |
| Filtration Efficiency | ~99.95% (ISO 5011) |
| Application | Kenworth T680/T880, Peterbilt 567/579 |
| Engine Compatibility | PACCAR MX11/MX13, Cummins ISX15/X15 |
| Installation | Direct Replacement |
| Service | OEM / ODM Available |
| Origin | China |
Why Choose IXIN Filter as Your OEM Supplier?
As a dedicated industrial and automotive filtration manufacturer, we understand that fleet downtime means lost revenue. That’s why our Kenworth & Peterbilt engine air filter replacements undergo rigorous ISO 5011 laboratory testing before leaving the factory. We offer stable inventory, fast shipping, and comprehensive OEM/ODM custom branding options for global auto parts importers.
Get a Bulk Quote / Request a Sample Today — Contact our sales engineers to verify your cross-reference specifications and receive our latest wholesale pricing catalog!
Frequently Asked Questions
What trucks use the LAF6725 air filter?
It’s used across Kenworth T680 and T880 trucks, and Peterbilt 567 and 579 trucks, from roughly 2015-2022, equipped with PACCAR MX11/MX13 or Cummins ISX15/X15 engines.
Is LAF6725 the same as P637453 and PA32000?
Yes. LAF6725 (Luber-finer), P637453 (Donaldson), and PA32000 (Baldwin) are all cross-referenced to the same filter specification, along with WIX WA11058, NAPA 501058, and PACCAR P621725.
What is the filtration efficiency of this filter?
It’s rated at approximately 99.95% efficiency per ISO 5011 testing standards, using cellulose panel filter media.
Do you offer OEM and wholesale services?
Yes. We support OEM production, private-label packaging, and wholesale supply solutions for distributors worldwide.
