Air Filter pilotpart437450 for Caterpillar 304

OEM / REF: pilotpart437450SKU: pilotpart437450

Cab Air Filter 518-9395 for Caterpillar CAT Excavator 304 305 305 CR 305.5 CR 306 306.5 307.5 308.5 308 309 310 is a Air Filter replacement part indexed for Caterpillar 304 and Caterpillar 305, with 3 application records on file. Match OEM part number pilotpart437450 and confirm fitment for Caterpillar Seals, Filter...

Stock
In stock
Condition
New
Fitment
Caterpillar Seals, Filters & Maintenance Parts
Category
Air Filter
  • Fitment support before you order
  • Worldwide delivery options

Air Filter Description

This Air Filter is indexed for Caterpillar 304; Caterpillar 305; Caterpillar 305 CR; Caterpillar 305.5 CR. Compare reference number pilotpart437450 against the label on your existing Caterpillar component before ordering.

Before checkout, compare OEM part number pilotpart437450, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Applications

  • Caterpillar 304
  • Caterpillar 305
  • Caterpillar 305 CR
  • Caterpillar 305.5 CR
  • Caterpillar 306
  • Caterpillar 306.5
  • Caterpillar 307.5
  • Caterpillar 308.5
  • Caterpillar 308
  • Caterpillar 309
  • Caterpillar 310

Fitment Notes

Brand or application signal
Caterpillar Seals, Filters & Maintenance Parts
Product family
Air Filter
System category
Seals, Filters & Maintenance Parts > Filters > Air Filter
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment

Send machine details before ordering high-risk parts.