Air Filter CA4201781 for Caterpillar

OEM / REF: CA4201781SKU: pilotpart430227

Air Filter 420-1781 for Caterpillar CAT Engine C13B C15 C18 C27 C32 3512E Wheel-Tractor Scraper 631K 637K Truck 773GC is a Air Filter replacement part for Caterpillar Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Air Filter. Use OEM part number CA4201781 and confirm machi...

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 s: Fit For Caterpillar CAT Wheel-Tractor Scraper: 631K, 637K Fit For Caterpillar CAT Truck: 773GC Fit For Caterpillar CAT Rotary Drill: MD6200, MD6250, MD6310 Fit For Caterpillar CAT Load Haul Dump: R2900. Compare reference number CA4201781 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 420-1781, MD6250. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Caterpillar s: Fit For Caterpillar CAT Wheel-Tractor Scraper: 631K, 637K Fit For Caterpillar CAT Truck: 773GC Fit For Caterpillar CAT Rotary Drill: MD6200, MD6250, MD6310 Fit For Caterpillar CAT Load Haul Dump: R2900

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.