How do I confirm pilotpart184260 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

Belt Tensioner 377-9082 for Caterpillar CAT Engine C4.4 C6.6 Backhoe 416E 428E 434E 434F 442E 444F 450F

For Caterpillar Belt Tensioner

Belt Tensioner CA3779082 for Caterpillar

Q: What part numbers are associated with this Belt Tensioner?

CA3779082, 377-9082, C4.4, C6.6, C7.1, C4.4XQ100, C4.4XQ80, AP-1000E, AP-1055E, AP-300D, AP-555E, AP-600D

OEM / REF: CA3779082SKU: pilotpart184260

Caterpillar Belt Tensioner CA3779082 is listed under Engine Spare Parts > Belt Tensioner with catalog data including Part Number: CA3779082, 377-9082, 3779082. 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: Belt Tensioner

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$248.05USD/EA

~~$35,999.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 20 – Aug 27
10	Aug 18 – Aug 25
50	Aug 16 – Aug 23

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

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

Belt Tensioner Description

This Belt Tensioner is indexed for Part Number. Compare reference number CA3779082 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 377-9082, C4.4, C6.6. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA3779082 377-9082C4.4C6.6C7.1C4.4XQ100 C4.4XQ80 AP-1000E AP-1055E AP-300D AP-555E AP-600D

Applications

Part Number

Specifications

Part Number	CA3779082, 377-9082, 3779082

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Belt Tensioner
System category: Engine Spare Parts > Belt Drive Systems > Belt Tensioner
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.