How do I confirm pilotpart840795 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

Overhaul Rebuild Kit for Mitsubishi S3Q2 S3Q2T Engine Caterpillar 303.5C 303CCR

For Caterpillar Overhaul Kits

Overhaul Kits S3Q2 for Caterpillar

OEM / REF: S3Q2SKU: pilotpart840795

Overhaul Rebuild Kit for Mitsubishi S3Q2 S3Q2T Engine Caterpillar 303.5C 303CCR is a Overhaul Kits replacement part for Caterpillar Engine Spare Parts, categorized under Engine Spare Parts > Overhaul Kits. Use OEM part number S3Q2 and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Caterpillar Engine Spare Parts
Category: Overhaul Kits

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$480.00USD/EA

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

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

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

Overhaul Kits Description

This Overhaul Kits is indexed for Caterpillar Mitsubishi S3Q2 S3Q2T Engine Caterpillar 303.5C 303CCR Item Includes: - 1set Full Gasket set - 3pcs Piston, STD size. Bore size=88mm - 3pcs Piston Pin - 3set Ring set for 3pistons. STD size. Bore size=88mm - 1set Crankshaft bearing. STD size or over size +0.25 /0.5mm - 1set Connect Rod Bearing. STD size or over size +0.25 /0.5mm Please check your machine nameplate and make sure your machine model.. Compare reference number S3Q2 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: S3Q2T. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

S3Q2S3Q2T

Applications

Caterpillar Mitsubishi S3Q2 S3Q2T Engine Caterpillar 303.5C 303CCR Item Includes: - 1set Full Gasket set - 3pcs Piston, STD size. Bore size=88mm - 3pcs Piston Pin - 3set Ring set for 3pistons. STD size. Bore size=88mm - 1set Crankshaft bearing. STD size or over size +0.25 /0.5mm - 1set Connect Rod Bearing. STD size or over size +0.25 /0.5mm Please check your machine nameplate and make sure your machine model.

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Overhaul Kits
System category: Engine Spare Parts > Cylinder Components > Overhaul Kits
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.