Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
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 PA3803) designed for Caterpillar buses. It includes a gasket, measures 12 inches overall width, and uses paper media. 3G Electric…

SKU 3G-OTH-496757

Brand
BALDWIN FILTERS
Item
Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular
Category
Panel Cabin Air Filters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BALDWIN FILTERS
Manufacturer Part Number
PA3803
Type
Cabin, Cabin Air Filter, Rectangular
Shape
Rectangular
Includes
Gasket
Overall Wd
12 in
Product Type
Cabin Air Filter
Use Location
Cabin
Filter Design
Panel
Media Material
Paper
Baldwin Interchange
PA3803
Compatible Vehicle Make
Caterpillar
Compatible Vehicle Type
Buses
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 PA3803) designed for Caterpillar buses. It includes a gasket, measures 12 inches overall width, and uses paper media. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the BALDWIN FILTERS PA3803 cabin air filter used for?

The BALDWIN FILTERS PA3803 is a rectangular panel cabin air filter designed for Caterpillar buses. It uses paper media and includes a gasket to seal out contaminants, ensuring clean air inside the vehicle cabin for passenger comfort and HVAC system protection.

What are the specifications of the BALDWIN FILTERS PA3803?

The BALDWIN FILTERS PA3803 is a panel cabin air filter with a rectangular shape, 12 in overall width, paper media, and an included gasket. It is compatible with Caterpillar buses and carries the Baldwin Interchange number PA3803.

Where to buy the BALDWIN FILTERS PA3803 worldwide?

3G Electric supplies the BALDWIN FILTERS PA3803 cabin air filter to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine Baldwin filtration for Caterpillar buses regardless of your location.

How to install the BALDWIN FILTERS PA3803 cabin air filter?

To install the BALDWIN FILTERS PA3803, first locate the cabin air filter housing in your Caterpillar bus. Remove the old filter, clean the housing, then insert the new rectangular panel filter with the gasket facing the airflow direction. Secure the housing cover and verify proper sealing.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from BALDWIN FILTERS

View all BALDWIN FILTERS parts →
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
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.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA5739). Key specifications — Compatible Vehicle Type: Construction Equipment; Baldwin Interchange: PA5739; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Case IH; 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 PA5739). Key specifications — Compatible Vehicle Type: Construction Equipment; Baldwin Interchange: PA5739; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Case IH; Filter Design: Panel; Includes: Gasket; Media Material: Cellulose; Product Type: Cabin Air Filter.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, 6 in Overall Wd (MPN PA3782). Key specifications — Baldwin Interchange: PA3782; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Media Material: Paper; Product Type: Cabin Air Filter; Shape: Rectangular; Use Location: Cabin.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, 6 in Overall Wd (MPN PA3782). Key specifications — Baldwin Interchange: PA3782; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Media Material: Paper; Product Type: Cabin Air Filter; Shape: Rectangular; Use Location: Cabin.
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA5651). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA5651; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Komatsu; 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 PA5651). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA5651; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Komatsu; 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 PA5738). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA5738; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Includes: (2) Gaskets; Media Material: Cellulose; Product Type: Cabin Air Filter.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Panel, Cabin, Cabin Air Filter, Rectangular, Cellulose/Paper (MPN PA5738). Key specifications — Compatible Vehicle Type: Buses; Baldwin Interchange: PA5738; Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Filter Design: Panel; Includes: (2) Gaskets; Media Material: Cellulose; Product Type: Cabin Air Filter.