We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal - Round/Oval Engine Air Filters
BALDWIN FILTERSRound/Oval Engine Air Filters

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

The BALDWIN FILTERS Automotive Air Filter (MPN PA2521) is a round-oval engine air filter with an axial seal and 16 7/16 in overall height. It is compatible with International buses and is a Baldwin Interchange for…

SKU 3G-OTH-490018

Brand
BALDWIN FILTERS
Item
Automotive Air Filter: Round-Oval, Engine, Round, Axial 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
PA2521
Type
Engine, Round, Axial Seal
Overall Ht
16 7/16 in
Baldwin Interchange
PA2521
Compatible Vehicle Make
International
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 (MPN PA2521) is a round-oval engine air filter with an axial seal and 16 7/16 in overall height. It is compatible with International buses and is a Baldwin Interchange for PA2521.

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 PA2521 air filter used for?

The BALDWIN FILTERS PA2521 is a round-oval engine air filter with an axial seal, designed for International buses. It provides critical engine protection by trapping airborne contaminants, ensuring reliable operation in demanding fleet and transit applications.

What are the specifications of the BALDWIN FILTERS PA2521?

The BALDWIN FILTERS PA2521 is an engine air filter with a round-oval shape and axial seal. It has an overall height of 16 7/16 in and is a Baldwin Interchange for PA2521. It is compatible with International buses.

Where to buy the BALDWIN FILTERS PA2521 worldwide?

3G Electric supplies the BALDWIN FILTERS PA2521 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this engine air filter.

How to select the correct BALDWIN FILTERS PA2521 replacement?

To select the correct BALDWIN FILTERS PA2521 replacement, verify your vehicle is an International bus and confirm the overall height of 16 7/16 in. Always cross-reference the Baldwin Interchange number PA2521 to ensure proper fit and axial seal compatibility.

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: Round-Oval, Engine, Round, Axial Seal, 3 9/32 in Overall Ht (MPN PA4166). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Hatz; Baldwin Interchange: PA4166.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 9/32 in Overall Ht (MPN PA4166). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Hatz; Baldwin Interchange: PA4166.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 8 11/16 in Outside Dia (MPN PA2761). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: GMC; Baldwin Interchange: PA2761.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 8 11/16 in Outside Dia (MPN PA2761). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: GMC; Baldwin Interchange: PA2761.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 9/16 in Overall Ht (MPN PA1680). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: GM; Compatible Vehicle Type: Passenger Vehicles; Baldwin Interchange: PA1680.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 9/16 in Overall Ht (MPN PA1680). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: GM; Compatible Vehicle Type: Passenger Vehicles; Baldwin Interchange: PA1680.
BALDWIN FILTERS Outer Air Element: Round-Oval, Engine, Round, Radial Seal, 16 3/4 in Overall Ht (MPN RS30313). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Blue Bird All-American; Compatible Vehicle Type: Buses; Baldwin Interchange: RS30313.
BALDWIN FILTERS
BALDWIN FILTERS Outer Air Element: Round-Oval, Engine, Round, Radial Seal, 16 3/4 in Overall Ht (MPN RS30313). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Blue Bird All-American; Compatible Vehicle Type: Buses; Baldwin Interchange: RS30313.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 2 1/8 in Inside Dia (MPN PA4824). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Yanmar; Baldwin Interchange: PA4824.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 2 1/8 in Inside Dia (MPN PA4824). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Yanmar; Baldwin Interchange: PA4824.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Radial Seal, 12 1/2 in Overall Ht (MPN RS30220). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: JLG; Compatible Vehicle Type: Buses; Baldwin Interchange: RS30220.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Radial Seal, 12 1/2 in Overall Ht (MPN RS30220). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: JLG; Compatible Vehicle Type: Buses; Baldwin Interchange: RS30220.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 5/8 in Inside Dia (MPN PA2568). Key specifications — Brand: BALDWIN FILTERS; Baldwin Interchange: PA2568.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 5/8 in Inside Dia (MPN PA2568). Key specifications — Brand: BALDWIN FILTERS; Baldwin Interchange: PA2568.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 15/32 in Overall Ht (MPN PA4707). Key specifications — Brand: BALDWIN FILTERS; Baldwin Interchange: PA4707.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 15/32 in Overall Ht (MPN PA4707). Key specifications — Brand: BALDWIN FILTERS; Baldwin Interchange: PA4707.