How do I confirm pilotpart444842 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

Idler Pulley 197-9642 For Caterpillar Engine 3126 3126B 3126E 3406E C12 C15 C16 C9 C11 C13 C15 C7 C9 Excavator 33D 336D 345C 345D 349D

For Caterpillar Other Engine Parts

Other Engine Parts 1979642 for Caterpillar 336D

Q: What part numbers are associated with this Other Engine Parts?

1979642, CA1979642, 279-2589, CA2792589

OEM / REF: 1979642SKU: pilotpart444842

Idler Pulley 197-9642 For Caterpillar Engine 3126 3126B 3126E 3406E C12 C15 C16 C9 C11 C13 C15 C7 C9 Excavator 33D 336D 345C 345D 349D is a Other Engine Parts replacement part indexed for Caterpillar 336D and Caterpillar 33D, with 3 application records on file. Match OEM part number 1979642 and confirm fitment for C...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$64.80USD/EA

~~$29,899.00~~Save 100%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Nov 7 – Nov 14
10	Nov 5 – Nov 12
50	Nov 3 – Nov 10

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.

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

Other Engine Parts Description

This Other Engine Parts is indexed for Caterpillar 336D; Caterpillar 33D; Caterpillar 345C; Caterpillar 345D. Compare reference number 1979642 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA1979642, 279-2589, CA2792589. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

1979642 CA1979642 279-2589 CA2792589

Applications

Caterpillar 336D
Caterpillar 33D
Caterpillar 345C
Caterpillar 345D
Caterpillar 349D
Caterpillar C11
Caterpillar C13
Caterpillar C9
Caterpillar 3126
Caterpillar 3126B
Caterpillar 3126E
Caterpillar 3406E
Caterpillar C11
Caterpillar C12
Caterpillar C13
Caterpillar C15
Caterpillar C16
Caterpillar C7
Caterpillar C9
Caterpillar 525C
Caterpillar 535C
Caterpillar 545C
CAT Fit for following models: Caterpillar CAT Motor Grader: 140, 120H, 120M, 120M Series 2, 12H, 12M, 12M Series 2, 12M Series 3, 135H, 140 AWD, 140M, 140M Series 2, 140M Series 3, 14M, 14M Series 3, 160M, 160M Series 2, 160M Series 3, 16M, 16M Series 3, 18M, 18M Series 3 Caterpillar CAT Articulated Truck: 725, 725 OEM, 725C, 725C2, 730, 730 OEM, 730C, 730C2, 770G, 770G OEM, 772G, 772G OEM Caterpillar CAT Excavator: 336, 340, 345C, 345D, 352F, 390F L, MH3295 Caterpillar CAT Compactor: 815B, 836H Caterpillar CAT Wheel Loader: 966D, 966E, 966F, 966F Series II, 966M, 972M, 980M, 982M Caterpillar CAT Site Prep Tractor: 586C Caterpillar CAT Pipelayer: 583T, 587T, PL72, PL83, PL87 Caterpillar CAT Asphalt Paver: AP255E, AP500E, AP555E, AP600D, AP655D, BG500E, BG555E, BG-600D, BG-655D Caterpillar CAT Cold Planer: PM-200, PM-201, PM310, PM312, PM313, PM620, PM622, PM820, PM822, PM825 Caterpillar CAT Rotary Mixer: RM-300 Caterpillar CAT Load Haul Dump: R1700 Caterpillar CAT Petroleum Power Train Package: C31-P600-C15I, CX31-C13I, CX31-C9I, CX31-P600-C11I, CX31-P600-C13I, CX31-P600-C18I, CX31-P600-C9.3I, CX31-P600-C9I, CX35-P800_C18I, CX35-P800-C18I, CX38-P892-C18I, TH31-C9I, TH31-C9P, TH35-C11I, TH35-C13I, TH35-C15I

Specifications

Package Includes	1 x Idler Pulley
Part Number	1979642, 197-9642

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Other Engine Parts
System category: Engine Spare Parts > Other Engine Spare Parts > Other Engine Parts
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.