113-1579 FILTER ELEMENT ASS'Y is a Caterpillar Standard Efficiency Secondary Engine Air Filter designed to provide the final line of defense against dust, dirt and other contaminants entering the engine. It works together with the primary air filter to help protect critical engine components, particularly during primary filter replacement or if the primary filter is compromised. Caterpillar officially lists this filter for 3516B and 3516C engine applications.
| Parameter | Description |
| Part Number | 1131579 |
| Product Name | Filter Element Assembly |
| Brand | Caterpillar |
| Product Type | Heavy Equipment Filter |
| Material | Reinforced filtration media |
| Strength & Performance | Provides stable filtration performance under heavy load |
| Function / Installation Position | Engine or hydraulic system |
| Operating Conditions | Construction equipment |
| Weight | 6 kg |
| Packaging | Industrial packaging |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air |
| Payment Method | USD / RMB / Ruble |
| Warranty | 6 months |
Caterpillar describes secondary air filters as a critical backup filtration component and emphasizes their role in protecting the engine from contaminants.
The 113-1579 FILTER ELEMENT ASS’Y is suitable for:
Caterpillar’s official compatibility information also lists this part for:
For accurate compatibility verification, customers should provide the engine model, engine serial number or original part number before ordering.
The 113-1579 FILTER ELEMENT ASS’Y is suitable for:
It is particularly suitable for heavy-duty diesel engines and generator applications operating in dusty or contaminated environments, where dependable secondary air filtration is important for engine protection.
YLCM specializes in supplying construction and mining machinery spare parts to customers worldwide.
We provide:
Our product range covers Caterpillar, Komatsu, Hitachi, Cummins and other major brands, including engine parts, filters, hydraulic components, cooling systems, transmission parts, electrical components and undercarriage parts.
The 113-1579 FILTER ELEMENT ASS’Y is professionally packaged to protect the filter during international transportation.
Packaging options include:
Packaging can be adjusted according to order quantity, cargo dimensions and transportation requirements.
YLCM provides international logistics solutions according to the destination and customer’s requirements.
Available shipping methods include:
Our logistics team can recommend a suitable transportation solution based on destination, order quantity, cargo volume and delivery requirements.
Looking for the 113-1579 FILTER ELEMENT ASS’Y for CAT 3516B/3516C?
Contact YLCM to receive:
Please provide your part number, engine model or serial number, and our team will help confirm the correct filter for your Caterpillar engine.
Q1: What is 113-1579?
A: 113-1579 is a Caterpillar Standard Efficiency Secondary Engine Air Filter, designed to provide backup filtration and protect the engine from dust and other contaminants.
Q2: Is 113-1579 compatible with CAT 3516B?
A: Yes. Caterpillar’s official parts catalog lists 3516B among the compatible engine models.
Q3: Is 113-1579 compatible with CAT 3516C?
A: Yes. 3516C is also listed by Caterpillar as a compatible model.
Q4: Is 113-1579 a primary or secondary air filter?
A: It is a secondary engine air filter. It serves as backup protection behind the primary air filter.
Q5: What is the purpose of a secondary air filter?
A: It provides an additional layer of protection against dust and contaminants, particularly when the primary filter is being replaced or if the primary filter is compromised.
Q6: Can 113-1579 be used on other CAT engines?
A: Yes. Caterpillar also lists applications including 3512B, 3512C, 3512E, 3516E, generator sets, marine engines, locomotive engines and industrial engines.
Q7: How can I confirm compatibility before ordering?
A: Please provide your engine model, engine serial number or original part number. Our technical team can verify compatibility before shipment.
Q8: What warranty does YLCM provide?
A: This product comes with a standard 6-month warranty.
