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

BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Radial Seal - Round/Oval Engine Air Filters
BALDWIN FILTERSRound/Oval Engine Air Filters

BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Radial Seal

The BALDWIN FILTERS RS3503 is a round-oval engine air filter with a radial seal and cellulose/paper media, designed for Caterpillar equipment. As a Baldwin Interchange RS3503, it is a direct replacement for the OEM…

SKU 3G-OTH-490295

Brand
BALDWIN FILTERS
Item
Automotive Air Filter: Round-Oval, Engine, Round, Radial Seal
Category
Round/Oval Engine 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
RS3503
Type
Engine, Round, Radial Seal, Cellulose/Paper
Baldwin Interchange
RS3503
Compatible Vehicle Make
Caterpillar
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 RS3503 is a round-oval engine air filter with a radial seal and cellulose/paper media, designed for Caterpillar equipment. As a Baldwin Interchange RS3503, it is a direct replacement for the OEM part. 3G Electric sources this genuine filter across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is the BALDWIN FILTERS RS3503 used for?

The BALDWIN FILTERS RS3503 is a round-oval engine air filter with radial seal and cellulose/paper media, designed for Caterpillar equipment. It provides reliable engine protection in heavy-duty applications. 3G Electric sources this genuine filter across 14 industrial departments, with specialist expertise in combustion, pumps, and controls.

What are the specifications of the BALDWIN FILTERS RS3503?

The BALDWIN FILTERS RS3503 is an engine air filter with a round-oval shape, radial seal, and cellulose/paper media. It is a Baldwin Interchange RS3503, compatible with Caterpillar vehicles. The manufacturer part number is RS3503. 3G Electric supplies this genuine filter for global industrial needs.

Where to buy the BALDWIN FILTERS RS3503 worldwide?

3G Electric supplies the BALDWIN FILTERS RS3503 worldwide, handling full logistics and customs as a global industrial solutions provider. We source this genuine filter across 14 departments, with specialist expertise in combustion, pumps, and controls. Contact us for availability and delivery to your location.

How to select the correct BALDWIN FILTERS RS3503 for Caterpillar equipment?

To select the correct BALDWIN FILTERS RS3503, verify your Caterpillar equipment model and confirm the Baldwin Interchange RS3503 matches your OEM part number. The radial seal and cellulose/paper media ensure proper fit and filtration. 3G Electric can assist with accurate sourcing across 14 industrial departments.

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 round/oval engine 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: Engine, Round, 10 9/16 in Outside Dia - Bottom, Godwin (MPN PA2830). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Godwin; Baldwin Interchange: PA2830.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Engine, Round, 10 9/16 in Outside Dia - Bottom, Godwin (MPN PA2830). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Godwin; Baldwin Interchange: PA2830.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 17/32 in Inside Dia (MPN PA2397). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Type: Farm Equipment; Baldwin Interchange: PA2397.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 17/32 in Inside Dia (MPN PA2397). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Type: Farm Equipment; Baldwin Interchange: PA2397.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 in Overall Ht (MPN PA1889). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Ingersoll-Rand; Baldwin Interchange: PA1889.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 in Overall Ht (MPN PA1889). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Ingersoll-Rand; Baldwin Interchange: PA1889.
BALDWIN FILTERS Air Filter Element: Round-Oval, Engine, Round, Radial Seal, 3 3/4 in Outside Dia (MPN RS30221). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Compatible Vehicle Type: Buses; Baldwin Interchange: RS30221.
BALDWIN FILTERS
BALDWIN FILTERS Air Filter Element: Round-Oval, Engine, Round, Radial Seal, 3 3/4 in Outside Dia (MPN RS30221). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Compatible Vehicle Type: Buses; Baldwin Interchange: RS30221.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 18 1/2 in Overall Ht (MPN PA2525). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: International; Compatible Vehicle Type: Buses; Baldwin Interchange: PA2525.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 18 1/2 in Overall Ht (MPN PA2525). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: International; Compatible Vehicle Type: Buses; Baldwin Interchange: PA2525.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 4 3/32 in Outside Dia (MPN PA3476). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Kubota; Baldwin Interchange: PA3476.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 4 3/32 in Outside Dia (MPN PA3476). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Kubota; Baldwin Interchange: PA3476.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 7/8 in Inside Dia (MPN PA2409). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Steiger; Baldwin Interchange: PA2409.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 7/8 in Inside Dia (MPN PA2409). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Steiger; Baldwin Interchange: PA2409.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 1/4 in Inside Dia (MPN PA30189). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Robin; Compatible Vehicle Type: Buses; Baldwin Interchange: PA30189.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 1/4 in Inside Dia (MPN PA30189). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Robin; Compatible Vehicle Type: Buses; Baldwin Interchange: PA30189.