How do I confirm pilotpart639707 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

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

For Caterpillar Overhaul Kits

Overhaul Kits 303CCR for Caterpillar

OEM / REF: 303CCRSKU: pilotpart639707

S3Q2 S3Q2T Overhaul Rebuild Kit for Mitsubishi 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 303CCR 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

$427.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 15 – Aug 22
10	Aug 13 – Aug 20
50	Aug 11 – Aug 18

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 s: for Mitsubishi 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 moodel# (For example KD186FA) .. Compare reference number 303CCR against the label on your existing Caterpillar component before ordering.

Additional cross references on file: S3Q2, S3Q2T. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

303CCRS3Q2S3Q2T

Applications

Caterpillar s: for Mitsubishi 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 moodel# (For example KD186FA) .

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.