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Caterpillar 142-1340 / 142-1403 Primary Air Filter | CAT 345C 345D 349D C13
Product Specifications
| Item | Specification |
|---|---|
| Product Type | Primary Air Filter |
| OEM Part Number | 142-1340 / 142-1403 |
| Engine Type | Caterpillar C13 |
| Compatible Equipment | CAT 345C / 345D / 349D / 349D2 |
| Height | 522 – 524 mm |
| Outer Diameter | 310 – 314 mm |
| Inner Diameter | 177.6 – 180 mm |
| Weight | 3.93 – 4.63 kg |
| Filter Media | High efficiency composite filter paper |
| Structure | Reinforced metal mesh |
| Application | Excavators / construction equipment |
| Brand | Bowei Filter Factory |
Caterpillar 142-1340 / 142-1403 Primary Air Filter
We make high-quality replacement primary air filters for Caterpillar excavators, designed to replace OEM part numbers 142-1340 and 142-1403.
This heavy-duty primary air filter is widely used on CAT 345C, CAT 345D, CAT 349D and CAT 349D2 excavators equipped with C13 engines.
Excavators working in construction sites, mining operations and quarry environments require reliable air filtration to protect engine components from dust and airborne contaminants.
Our filters use high efficiency composite filter media with reinforced metal mesh, ensuring stable airflow and long service life under harsh working conditions.
Compatible Caterpillar Excavators
This primary air filter is commonly used on the following Caterpillar excavators:
CAT 345C Excavator
CAT 345D Excavator
CAT 349D Excavator
CAT 349D2 Excavator
These machines are widely used in heavy-duty applications including:
Mining operations
Quarry operations
Infrastructure construction
Large-scale earthmoving projects
A high quality Caterpillar excavator air filter helps protect the engine intake system and ensures optimal engine performance.
Product Features
High Efficiency Filtration
Composite filter media effectively captures dust and fine particles before they reach the engine.
Reinforced Structure
Heavy-duty metal mesh prevents filter deformation under high airflow conditions.
Stable Airflow
Optimized pleat structure ensures smooth airflow and improves engine efficiency.
Long Service Life
Designed for harsh environments such as construction sites and mining operations.
Applications
This heavy duty primary air filter is suitable for:
Excavators
Diesel engines
Construction machinery
Mining equipment
You can also explore our full range of Caterpillar air filters for excavators and diesel engines.
Cross Reference
Caterpillar 142-1340
Caterpillar 142-1403
CAT 1421340
CAT 1421403
Why Choose Our Air Filters
We make air filters for diesel engines, excavators and heavy equipment.
Our products offer:
Reliable filtration performance
Durable filter media
Accurate OEM dimensions
Stable supply for distributors
OEM customization available
Our air filters are widely exported to construction equipment service companies and spare parts distributors worldwide.
FAQ
What machines use the 142-1340 air filter?
The 142-1340 primary air filter is commonly used on Caterpillar 345C, 345D, 349D and 349D2 excavators equipped with C13 engines.
Is this a primary or secondary air filter?
This product is a primary air filter, which captures most airborne dust before air reaches the engine.
How often should excavator air filters be replaced?
Replacement intervals depend on operating conditions. Machines working in dusty environments should inspect air filters regularly and replace them when airflow restriction increases.
