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New 2178938 (7E3999) Tightener Belt Replacement suitable for Caterpillar 824C, 824G II, 824H, 834G, 834H, 844H, 980G II, 980H, 988G, 988H, 990H, 3406E, C-15, C-16, C15, C7, RM-500, 770, 772, 24M, 3126B, 3406E, C32, 3406E, 3456 and more below
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Description for 2178938 Tightener Belt
â–¶Specification for 2178938 Tightener Belt
â–¶Exact Fit Guarantee for 2178938 Tightener Belt
â–¶Reviews
Customer Reviews
rapid response!
Science I buy parts from propel parts I don’t have to spend too much down time always on time and good service
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.
Great site and price
Great people! Good and fast service. Always looking to help get what you need! 10/10 ????????
Quick Respond.
The quick respond much appreciated.
Keep this up.
Excellent service!! Yes, very satisfied with the service, you have been very kind!
The customer care response was very awesome. It was more than what I expected
The customer care response was very effective and timely
The response time was amazing
The availability of most of the parts that I wanted was also very awesome
Thanks keep it up
Quality Caterpillar parts
Very fast delivery and respons from Propel Parts
This is my second time that I bought something from it, first time delivery time was in one week from US to Serbia
Original Review (Spanish)
Si necesitas piezas de repuesto a buen precio para tu m?quina grande y quieres un servicio al cliente atento, esta tienda es una muy buena opci?n.
English Translation
If you need affordable replacement parts for your heavy equipment and want attentive customer service, this store is a very good option.
Product Questions
Frequently Asked Questions
What is the 2178938 component used for?
The 2178938 is a component used on Caterpillar equipment, where it performs its role within the assembly to support reliable operation. Keeping it in good condition helps the surrounding parts work as intended.
How do I install the 2178938 component?
A reliable installation of the 2178938 starts with inspection and ends with verification. Follow this process:
- Shut the machine down and isolate power before working on the assembly
- Clean the mating surfaces and inspect them for wear or damage
- Remove the old part and check the area for debris
- Fit the new 2178938 in the correct orientation per your service manual
- Reassemble to specification and confirm correct operation before returning to service
Which Caterpillar machines is the 2178938 compatible with?
The 2178938 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. Or reach out to Propel Parts for help verifying fitment.
Does the 2178938 component meet performance standards?
Yes. Propel Parts supplies the 2178938 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.
How often should the 2178938 be replaced?
Replace the 2178938 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide.
What are the signs of a worn or failing 2178938 component?
Catching a failing 2178938 early prevents wider damage. The common warning signs include:
- Visible wear, cracking, or corrosion on inspection
- Reduced performance or reliability in the assembly
- Unusual noise, movement, or leaks near the part
- Premature wear on the components around it
Why is the 2178938 important, and what related parts work with it?
Keeping the 2178938 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. Related hardware on our site includes 6V4249 Bolt and 3P1461 Seal.
Compatible Models
This 2178938 Tightener Belt is compatible with the following models:
C18, C27, 826C, 826G II, 3406, 3456 & more...
Shipping | Returns
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.
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