How do I confirm pilotpart184155 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 CA1900643 190-0643 1900643 for Caterpillar CAT Engine C9 C13 Excavator 322C 325C 29D L 330C 336D 336D2 345B 365B

For Caterpillar Belt Tensioner

Belt Tensioner CA1900643 for Caterpillar MTC835

OEM / REF: CA1900643SKU: pilotpart184155

Belt Tensioner CA1900643 190-0643 1900643 for Caterpillar CAT Engine C9 C13 Excavator 322C 325C 29D L 330C 336D 336D2 345B 365B is a Belt Tensioner replacement part indexed for CAT MTC835 and CAT 322C, with 3 application records on file. Match OEM part number CA1900643 and confirm fitment for Caterpillar Engine Spar...

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

$152.99USD/EA

~~$18,399.00~~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 MTC835; CAT 322C; CAT 322C FM; CAT 325C. Compare reference number CA1900643 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 190-0643. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA1900643 190-0643

Applications

CAT MTC835
CAT 322C
CAT 322C FM
CAT 325C
CAT 325C FM
CAT 325D L
CAT 329D L
CAT 330C
CAT 330C FM
CAT 330C L
CAT 330C MH
CAT 330D
CAT 330D FM
CAT 330D L
CAT 330D LN
CAT 330D MH
CAT 336D
CAT 336D L
CAT 336D LN
CAT 336D2
CAT 336D2 L
CAT 340D L
CAT 340D2 L
CAT 345B
CAT 345B II
CAT 345B II MH
CAT 345B L
CAT 365B
CAT 365B II
CAT 365B L
CAT IT38G II
CAT IT62G II
CAT IT62H
CAT 322C
CAT 325C
CAT 330C
CAT 330D
CAT 330D L
CAT 336D L
CAT 120H
CAT 12H
CAT 135H
CAT CX31-C13I
CAT CX31-C9I
CAT TH35-C13I
CAT TH31-E61
CAT 561N
CAT 2290
CAT 2390
CAT 2391
CAT 2491
CAT 2590
CAT 511
CAT 521
CAT 521B
CAT 522
CAT 522B
CAT 532
CAT 541
CAT 541 2
CAT 551
CAT 552
CAT 552 2
CAT TK711
CAT TK721
CAT TK722
CAT TK732
CAT TK741
CAT TK751
CAT TK752
CAT 953C
CAT 963C
CAT D5N
CAT D6N
CAT D9T
CAT CP-44
CAT CP-56
CAT CP-64
CAT CP-76
CAT CS-44
CAT CS-56
CAT CS-64
CAT CS-74
CAT 570B
CAT 924H
CAT 924HZ
CAT 928H
CAT 928HZ
CAT 938G II
CAT 950G II
CAT 950H
CAT 962G II
CAT 962H
CAT 966G II
CAT 972G II
CAT 637D
CAT M325C MH
CAT M330D
CAT W345B II
CAT
CAT
CAT
CAT
CAT
CAT

Specifications

Part Number	CA1900643, 190-0643, 1900643

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.