HomeAir and Fuel Delivery > FiltersBaldwin CA30131 Engine Air Filter - Primary
Part #: CA30131

Baldwin CA30131 Engine Air Filter - Primary

Primary
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$156.95Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Baldwin CA30131 Engine Air Filter

The Baldwin CA30131 engine air filter is designed specifically for Freightliner trucks equipped with Cummins engines. This filter ensures proper air intake filtration to maintain engine performance and longevity.

  • Compatible with Freightliner trucks featuring Cummins engines
  • Includes one attached gasket for secure sealing
  • Comes with three bolts for flange installation
  • Height: 8 3/32 inches (205.6 mm)
  • Outside diameters: 12 1/16 inches (306.4 mm) and 14 27/32 inches (377 mm)
  • Replaces Donaldson P621097 and Freightliner P621097 filters

Detailed Product Description

The Baldwin CA30131 engine air filter is engineered to meet the filtration requirements of Freightliner trucks powered by Cummins engines. Featuring a flange design, this filter includes an attached gasket to ensure a tight seal and prevent unfiltered air from entering the engine. The filter’s dimensions—8 3/32 inches in height and dual outside diameters of 12 1/16 inches and 14 27/32 inches—are tailored for precise fitment. Additionally, the package contains three bolts to facilitate proper installation of the flange-mounted filter. This Baldwin filter serves as a direct replacement for Donaldson P621097 and Freightliner P621097, providing a reliable alternative for maintenance and repair.

Applications and Problem Solving

  • Prevents engine damage caused by dust and debris intake
  • Helps maintain optimal engine air flow for fuel efficiency
  • Reduces risk of engine wear due to contaminated air
  • Supports emission control by ensuring clean combustion air
  • Addresses fitment issues by matching OEM specifications for Freightliner Cummins trucks

Installation Notes and Tips

When installing the Baldwin CA30131 engine air filter, ensure the attached gasket is properly seated to avoid air leaks. Use the included three bolts to secure the flange firmly, following the vehicle manufacturer’s torque specifications. Verify that the filter dimensions match the original equipment to guarantee proper fitment and performance.

Quality Assurance

Baldwin filters are manufactured to meet industry standards for filtration efficiency and durability. The CA30131 model is designed to provide consistent performance in demanding commercial vehicle applications. While specific warranty details are not provided, Baldwin products typically adhere to strict quality control processes to ensure reliability in Freightliner trucks with Cummins engines.

BrandBaldwin
Part NumberCA30131
Attached Gasket[1] included
ContainsThree bolts included
FitsFreightliner trucks with cummins engines
Height8 3/32
Height (mm)205.6
Outside Diameter 112 1/16
Outside Diameter 1 (mm)306.4
Outside Diameter 214 27/32
Outside Diameter 2 (mm)377
Remark 1Flange
ReplacesDonaldson p621097; freightliner p621097

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.