1154204 CAT Pulley As

1154204 | CAT Pulley As
$35.24

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
1154204
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Description for 1154204 Pulley

This aftermarket Caterpillar 1154204 Pulley is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Pulley.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 1154204 Pulley

Replacement Part Number(s): 115-4204
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 1.55 LBS | 0.70 KG
Dimensions: 4.53 x 1.57 x 4.53 (inches)
Condition: New

Exact Fit Guarantee for 1154204 Pulley

Looking for a reliable replacement Caterpillar 1154204 Pulley ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
More Information
Models 120H, 120H ES, 120H NA, 135H, 135H NA, 30/30, 3114, 3116, 3126, 3126B, 3126E, 320B, 322B L, 322B LN, 322C, 322C FM, 325B L, 35, 446, 446B, 446D, 45, 525B, 533, 535B, 539, 543, 55, 550, 561M, 570, 574
Dimensions 4.53x1.57x4.53
Customer Reviews
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    Rapid response! Excellent service!
  3. 100%
    Online order.
    I had a good experience this morning I placed an online order and everything went smoothly. The staff at propel parts has always been helpful in the past when I have been looking for harder to find parts or something that wasn’t listed online.
  4. 100%
    Having issue running my credit card, Steven was more than helpful to send me a payment link to complete my transaction!
  5. 100%
    Great service at an affordable price to get my machine back going.
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Frequently Asked Questions

Product

What is the function of the 1154204 pulley assembly?

The 1154204 pulley assembly helps guide and support belts that drive accessory systems such as alternators, pumps, and other driven components. By maintaining proper belt alignment and tension, it supports smooth operation and reliable performance of the equipment.

How do I install the 1154204 pulley assembly?

Here’s a general guide for proper installation:

  1. Turn off the machine and ensure it is safely supported.
  2. Relieve any belt tension and remove the drive belt from the old pulley.
  3. Remove bolts or fasteners holding the old pulley assembly in place.
  4. Clean the mounting area and inspect for wear or damage.
  5. Install the new 1154204 pulley assembly, aligning it properly with the belt path.
  6. Secure all fasteners to the torque specifications outlined in your service manual.
  7. Reinstall the belt and adjust tension as needed. Then start the engine and verify proper belt tracking and operation.

Which machines or systems use the 1154204 pulley assembly?

The 1154204 pulley assembly is used in various heavy machinery and industrial engine applications where this part number is specified. Compatibility depends on your specific machine model and accessory drive layout, so verify fitment using your equipment’s reference or service documentation before ordering. Check your manual or reach out to Propel Parts for help verifying fitment.

Does the 1154204 pulley assembly meet performance expectations?

Yes, the 1154204 pulley assembly is engineered to meet or exceed OEM specifications for strength, alignment, and durability. When replacing drive components, choose genuine or high-quality aftermarket parts that meet or exceed OEM expectations to help ensure dependable performance and long service life.

How often should a pulley assembly like the 1154204 be inspected or replaced?

Pulley assemblies should be examined during routine maintenance or whenever belts are serviced. Check for signs of misalignment, wear, noise, or surface damage. If the pulley shows significant wear or affects belt tracking, replace it promptly to avoid belt slippage or failure.

What are common signs that the 1154204 pulley assembly needs attention?

Typical indicators include:

  1. Squealing or unusual noise from the belt area
  2. Visible wear or grooves on the pulley surface
  3. Belt misalignment or slipping
  4. Vibration or wobbling during operation

Identifying these signs early helps maintain system performance and prevent more extensive issues.

Why is using a quality pulley assembly important for equipment performance?

A quality pulley assembly helps ensure proper belt guidance and load distribution, which supports efficient accessory drive operation. Using genuine or high-quality aftermarket parts that meet or exceed OEM expectations helps reduce the risk of belt failure, improves reliability, and contributes to long-term equipment durability.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 1154204 Pulley is compatible with the following models:
120H, 120H ES, 120H NA, 135H, 135H NA, 30/30, 3114, 3116, 3126, 3126B, 3126E, 320B, 322B L, 322B LN, 322C, 322C FM, 325B L, 35, 446, 446B, 446D, 45, 525B, 533, 535B, 539, 543, 55, 550, 561M, 570, 574 & more...

Shipping

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.

We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.

Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Easy Returns

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Warranty

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.