How do I confirm pilotpart265621 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

For Caterpillar Piston

Piston 5I-7537 for Caterpillar

Q: What part numbers are associated with this Piston?

5I-7537, CA5I7537, 311B, 312B, 320B, 3064, 322B, 1ES00001-UP, 3066, 321B, 9CZ01002-01003, BAN00001-UP

OEM / REF: 5I-7537SKU: pilotpart265621

Caterpillar Piston 5I-7537 is listed under Engine Spare Parts > Piston with catalog data including Part Number: 5I-7537,5I7537,CA5I7537. Verify fitment for Caterpillar Engine Spare Parts using the OEM number, mounting points, and photos of your existing part.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$525.59USD/EA

~~$52,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 17 – Aug 24
10	Aug 15 – Aug 22
50	Aug 13 – Aug 20

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.

Piston Description

This Piston is indexed for Part Number. Compare reference number 5I-7537 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA5I7537, 311B, 312B. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

5I-7537 CA5I7537311B312B320B3064322B1ES00001-UP3066321B9CZ01002-01003BAN00001-UP

Applications

Part Number

Specifications

Part Number	5I-7537,5I7537,CA5I7537

Fitment Notes

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