Injection Pump 108-6633 for Caterpillar 578

OEM / REF: 108-6633SKU: pilotpart220016

Fuel Injection 108-6633 For Caterpillar Pipelayer 587R 578 583R Pump Group is a Injection Pump replacement part indexed for Caterpillar 578 and Caterpillar 583R, with 3 application records on file. Match OEM part number 108-6633 and confirm fitment for Caterpillar Engine Spare Parts before ordering.

Stock
In stock
Condition
New
Fitment
Caterpillar Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Injection Pump Description

This Injection Pump is indexed for Caterpillar 578; Caterpillar 583R; Caterpillar 587R. Compare reference number 108-6633 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 108663. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Caterpillar 578
  • Caterpillar 583R
  • Caterpillar 587R

Specifications

Width53.34mm
Length205.74mm
Height53.34mm
Part Number108-6633, 108663

Fitment Notes

Brand or application signal
Caterpillar Engine Spare Parts
Product family
Injection Pump
System category
Engine Spare Parts > Fuel System > Injection Pump
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 & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.