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BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular - Panel Cabin Air Filters
BALDWIN FILTERSPanel Cabin Air Filters

BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular

The BALDWIN FILTERS Automotive Air Filter is a rectangular panel cabin air filter (MPN PA3939) made of paper media, designed for use in Caterpillar buses. 3G Electric interprets this demand and sources the genuine…

SKU 3G-OTH-496789

Brand
BALDWIN FILTERS
Item
Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular
Category
Panel Cabin Air Filters
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Technical Specifications

BALDWIN FILTERS
Manufacturer Part Number
PA3939
Type
Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper
Shape
Rectangular
Product Type
Cabin Air Filter
Use Location
Cabin
Filter Design
Panel
Media Material
Paper
Baldwin Interchange
PA3939
Compatible Vehicle Make
Caterpillar
Compatible Vehicle Type
Buses
View Full Spec Sheet

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BALDWIN FILTERS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BALDWIN FILTERS Automotive Air Filter is a rectangular panel cabin air filter (MPN PA3939) made of paper media, designed for use in Caterpillar buses. 3G Electric interprets this demand and sources the genuine filter, supporting your fleet maintenance with specialist expertise across 14 industrial departments.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BALDWIN FILTERS PA3939 cabin air filter used for?

The BALDWIN FILTERS PA3939 is a rectangular panel cabin air filter designed for Caterpillar buses. It uses paper media to trap dust and contaminants, ensuring clean air inside the vehicle cabin for driver and passenger comfort.

What are the specifications of the BALDWIN FILTERS PA3939?

The BALDWIN FILTERS PA3939 is a rectangular panel cabin air filter with paper media. It is compatible with Caterpillar buses, has a Baldwin Interchange number PA3939, and is designed for cabin use. The filter shape is rectangular and the media material is cellulose/paper.

Where to buy the BALDWIN FILTERS PA3939 worldwide?

3G Electric supplies the genuine BALDWIN FILTERS PA3939 cabin air filter worldwide. We handle full logistics, customs clearance, and delivery to your location, ensuring you receive the correct filter for your Caterpillar bus fleet.

How to install the BALDWIN FILTERS PA3939 cabin air filter?

To install the BALDWIN FILTERS PA3939, locate the cabin air filter housing inside the Caterpillar bus, typically behind the glove box or under the dashboard. Remove the old filter, insert the new rectangular panel filter with the airflow arrow pointing correctly, and secure the housing.

Used in

Common applications for BALDWIN FILTERS
Diesel generator maintenance — Baldwin Filters CTK5029-4 coolant test strips for monitoring SCA levels in cooling systems
Fleet vehicle servicing — Baldwin Filters CTK5029-1 coolant test strips for checking freeze point in heavy-duty truck radiators
Industrial compressor cooling — Baldwin Filters coolant test strips for verifying antifreeze concentration in closed-loop systems
Agricultural equipment upkeep — Baldwin Filters CTK5029-4 test strips for nitrite level checks in tractor engine coolants
Marine engine maintenance — Baldwin Filters coolant test strips for freeze point verification in vessel cooling systems

BALDWIN FILTERS Products

3G Electric supplies BALDWIN FILTERS panel cabin air filters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA3822). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA3822; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Media Material: Cellulose; Product Type: Cabin Air Filter; Shape: Rectangular.
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BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA3822). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA3822; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Media Material: Cellulose; Product Type: Cabin Air Filter; Shape: Rectangular.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA5337). Key specifications — Baldwin Interchange: PA5337; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Sterling; Filter Design: Panel; Includes: Gasket; Media Material: Cellulose; Product Type: Cabin Air Filter; Shape: Rectangular.
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BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA5337). Key specifications — Baldwin Interchange: PA5337; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Sterling; Filter Design: Panel; Includes: Gasket; Media Material: Cellulose; Product Type: Cabin Air Filter; Shape: Rectangular.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Foam, Peterbilt (MPN PA5765). Key specifications — Baldwin Interchange: PA5765; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Peterbilt; Filter Design: Panel; Media Material: Foam; Product Type: Cabin Air Filter; Shape: Rectangular; Use Location: Cabin.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Foam, Peterbilt (MPN PA5765). Key specifications — Baldwin Interchange: PA5765; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Peterbilt; Filter Design: Panel; Media Material: Foam; Product Type: Cabin Air Filter; Shape: Rectangular; Use Location: Cabin.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA3900). Key specifications — Compatible Vehicle Type: Farm Equipment; Baldwin Interchange: PA3900; Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Filter Design: Panel; Media Material: Paper; Product Type: Cabin Air Filter; Shape: Rectangular.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA3900). Key specifications — Compatible Vehicle Type: Farm Equipment; Baldwin Interchange: PA3900; Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Filter Design: Panel; Media Material: Paper; Product Type: Cabin Air Filter; Shape: Rectangular.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA30174). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA30174; Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Filter Design: Panel; Media Material: Paper; Product Type: Cabin Air Filter; Shape: Rectangular.
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BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA30174). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA30174; Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Filter Design: Panel; Media Material: Paper; Product Type: Cabin Air Filter; Shape: Rectangular.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA3440). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA3440; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Includes: Gasket; Media Material: Cellulose; Product Type: Cabin Air Filter.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA3440). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA3440; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Includes: Gasket; Media Material: Cellulose; Product Type: Cabin Air Filter.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA10043). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA10043; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Chrysler; Filter Design: Panel; Media Material: Cellulose; Product Type: Cabin Air Filter; Shape: Rectangular.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA10043). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA10043; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Chrysler; Filter Design: Panel; Media Material: Cellulose; Product Type: Cabin Air Filter; Shape: Rectangular.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA4409). Key specifications — Compatible Vehicle Type: Passenger Vehicles; Baldwin Interchange: PA4409; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Freightliner; Filter Design: Panel; Includes: Charcoal Impregnated Media; Media Material: Paper; Product Type: Cabin Air Filter.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA4409). Key specifications — Compatible Vehicle Type: Passenger Vehicles; Baldwin Interchange: PA4409; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Freightliner; Filter Design: Panel; Includes: Charcoal Impregnated Media; Media Material: Paper; Product Type: Cabin Air Filter.