How do I confirm pilotpart438136 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

Pulley ‎9S6129 264-5891 For Caterpillar CAT Excavator 330 L 330 LN 330-A 330-A L 330-A LN 330B 330B L 330B LN

For Caterpillar Belt Tensioner

Belt Tensioner 264-5891 for Caterpillar 120C

OEM / REF: 264-5891SKU: pilotpart438136

Pulley ‎9S6129 264-5891 For Caterpillar CAT Excavator 330 L 330 LN 330-A 330-A L 330-A LN 330B 330B L 330B LN is a Belt Tensioner replacement part indexed for CAT 120C and CAT 4A, with 3 application records on file. Match OEM part number 264-5891 and confirm fitment for Caterpillar Engine Spare Parts before ordering.

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

$90.99USD/EA

~~$12,999.00~~Save 99%

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

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 CAT 120C; CAT 4A; CAT 6A; CAT 6S. Compare reference number 264-5891 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: ‎9S6129. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

264-5891 ‎9S6129

Applications

CAT 120C
CAT 4A
CAT 6A
CAT 6S
CAT 215
CAT 219
CAT 225
CAT 229
CAT 235
CAT 215B
CAT 215C
CAT 215D
CAT 219D
CAT 225B
CAT 225D
CAT 229D
CAT 235B
CAT 235D
CAT 330 L
CAT 330 LN
CAT 330-A
CAT 330-A L
CAT 330-A LN
CAT 330B
CAT 330B L
CAT 330B LN
CAT FB518
CAT 235C
CAT 125C
CAT 141
CAT 143
CAT 153
CAT 163
CAT 816
CAT 120
CAT 140
CAT 120G
CAT 12F
CAT 12G
CAT 130G
CAT 140G
CAT 14E
CAT 14G
CAT 160G
CAT 561C
CAT 571F
CAT 571G
CAT 572F
CAT 572G
CAT 4
CAT 951
CAT 955
CAT 815
CAT 941
CAT 941B
CAT 951B
CAT 951C
CAT 955K
CAT 955L
CAT 977K
CAT 977L
CAT D4D
CAT D4E
CAT D4E SR
CAT D5
CAT D6C
CAT D6D
CAT D6D SR
CAT D6E
CAT D6E SR
CAT D6F SR
CAT D6G
CAT D6G SR
CAT D6G2 LGP
CAT D6G2 XL
CAT D7F
CAT D7G
CAT 814
CAT 920
CAT 930
CAT 950
CAT 966C
CAT 980B
CAT 627
CAT 637
CAT 627B
CAT 637B
CAT 515
CAT 518
CAT 525
CAT 528
CAT 518C
CAT 528B
CAT 530B
CAT W330B
CAT 55

Specifications

Part Number	‎9S6129, 264-5891

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.