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 Automotive Air Filter (MPN OAS99001) is a round-oval engine air filter with a radial seal, 7 25/32 in overall height, designed for buses. As a Baldwin Interchange OAS99001, it is a direct…

SKU 3G-OTH-489818

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
OAS99001
Type
Engine, Round, Radial Seal
Overall Ht
7 25/32 in
Baldwin Interchange
OAS99001
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 OAS99001) is a round-oval engine air filter with a radial seal, 7 25/32 in overall height, designed for buses. As a Baldwin Interchange OAS99001, it is a direct replacement for compatible bus applications.

Frequently Asked Questions

What is the BALDWIN FILTERS OAS99001 air filter used for?

The BALDWIN FILTERS OAS99001 is a round-oval engine air filter with a radial seal, designed for bus applications. It provides engine intake air filtration to protect against contaminants, ensuring reliable performance in heavy-duty commercial vehicles.

What are the specifications of the BALDWIN FILTERS OAS99001?

The BALDWIN FILTERS OAS99001 is an engine air filter with a round-oval shape and radial seal. It has an overall height of 7 25/32 in and is compatible with buses. The Baldwin Interchange number is OAS99001, and the manufacturer part number is OAS99001.

Where to buy the BALDWIN FILTERS OAS99001 worldwide?

3G Electric supplies the BALDWIN FILTERS OAS99001 air filter to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us to source this filter for your bus fleet or industrial application.

How to install the BALDWIN FILTERS OAS99001 air filter?

Install the BALDWIN FILTERS OAS99001 by ensuring the radial seal seats properly in the housing. Align the round-oval shape, tighten the retaining mechanism per manufacturer torque specs, and verify no gaps. Always follow the vehicle or engine OEM service manual for exact procedures.

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, Radial Seal, 19 3/32 in Overall Ht (MPN RS4580). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: New Holland; Compatible Vehicle Type: Farm Equipment; Baldwin Interchange: RS4580.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Radial Seal, 19 3/32 in Overall Ht (MPN RS4580). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: New Holland; Compatible Vehicle Type: Farm Equipment; Baldwin Interchange: RS4580.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 5/8 in Inside Dia (MPN PA3698). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Baldwin Interchange: PA3698.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 5/8 in Inside Dia (MPN PA3698). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Caterpillar; Baldwin Interchange: PA3698.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Channel Flow, 6 9/32 in Overall Ht (MPN CA5352). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Chevrolet; Baldwin Interchange: CA5352.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Channel Flow, 6 9/32 in Overall Ht (MPN CA5352). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Chevrolet; Baldwin Interchange: CA5352.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 12 3/8 in Overall Ht (MPN PA1926). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Baldwin Interchange: PA1926.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 12 3/8 in Overall Ht (MPN PA1926). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: John Deere; Baldwin Interchange: PA1926.
BALDWIN FILTERS Automotive Air Filter: Engine, Round, 6 5/8 in Outside Dia - Bottom, Cellulose/Paper (MPN PA2823). Key specifications — Brand: BALDWIN FILTERS; Baldwin Interchange: PA2823.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Engine, Round, 6 5/8 in Outside Dia - Bottom, Cellulose/Paper (MPN PA2823). Key specifications — Brand: BALDWIN FILTERS; Baldwin Interchange: PA2823.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 17 5/8 in Outside Dia (MPN PA2363). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Terex/Terex Advance; Baldwin Interchange: PA2363.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 17 5/8 in Outside Dia (MPN PA2363). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Terex/Terex Advance; Baldwin Interchange: PA2363.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 in Overall Ht (MPN PA1985). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Jay Tampers; Baldwin Interchange: PA1985.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 3 in Overall Ht (MPN PA1985). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Jay Tampers; Baldwin Interchange: PA1985.
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 15/16 in Inside Dia (MPN PA2509). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Allis-Chalmers; Baldwin Interchange: PA2509.
BALDWIN FILTERS
BALDWIN FILTERS Automotive Air Filter: Round-Oval, Engine, Round, Axial Seal, 15/16 in Inside Dia (MPN PA2509). Key specifications — Brand: BALDWIN FILTERS; Compatible Vehicle Make: Allis-Chalmers; Baldwin Interchange: PA2509.