How do I confirm pilotpart309791 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Pump Gp-Gear 166-8331 for Caterpillar CAT

For Caterpillar Gear Pump

Gear Pump CA1668331166-83311668331 for Caterpillar Caterpillar CAT

Q: What part numbers are associated with this Gear Pump?

CA1668331166-83311668331, CA1668331, 166-8331

OEM / REF: CA1668331166-83311668331SKU: pilotpart309791

Pump Gp-Gear 166-8331 for Caterpillar CAT is a Gear Pump replacement part indexed for Part Number and Caterpillar CAT, with 3 application records on file. Match OEM part number CA1668331166-83311668331 and confirm fitment for Caterpillar Hydraulic & Pneumatic Parts before ordering.

Stock: In stock
Condition: New
Fitment: Caterpillar Hydraulic & Pneumatic Parts
Category: Gear Pump

Fitment support before you order
Worldwide delivery options

Quote required

Price on requestRFQ

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

Estimates from today; confirm exact lead time before payment.

Quantity

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This part requires a quote. Add it to your quote list or send machine details for pricing and lead time.

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Lead times can vary by freight route and customs. Contact support for expedited shipping.

Gear Pump Description

This Gear Pump is indexed for Part Number; Caterpillar CAT; Caterpillar s:For Caterpillar CAT. Compare reference number CA1668331166-83311668331 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA1668331, 166-8331. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1668331166-83311668331 CA1668331 166-8331

Applications

Part Number
Caterpillar CAT
Caterpillar s:For Caterpillar CAT

Specifications

Part Number	CA1668331, 166-8331, 1668331

Fitment Notes

Brand or application signal: Caterpillar Hydraulic & Pneumatic Parts
Product family: Gear Pump
System category: Hydraulic & Pneumatic Parts > Hydraulic Pumps & Motors > Gear 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.