5M8137 V-Belt Single for CAT 3116, 3126, 3126B & more

$7.82
In Stock • Ships Today • Order By 3pm ET
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Details

Description for 5M8137 Engine Belt

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This aftermarket Caterpillar 5M8137 Engine Belt 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 Engine Belt.
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 5M8137 Engine Belt

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Replacement Part Number(s): 5M-8137
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: 0.50 LBS | 0.23 KG
Dimensions: 4.72 x 0.59 x 21.26 (inches)
Condition: New

Exact Fit Guarantee for 5M8137 Engine Belt

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Looking for a reliable replacement Caterpillar 5M8137 Engine Belt ? 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.
Reviews

Customer Reviews

★★★★☆

I would give 5 stars but my first time ordering from here and using aftermarket parts. The price is reasonable comparing to original Cat parts and the customer support is great and hoping to do more business with them

★★★★★

Customer Service.
I recently had to cancel an order with Propel Parts, and I was thoroughly impressed by the prompt and efficient service I received. Steven handled my request with professionalism and speed, ensuring a hassle-free process. I've purchased parts from Propel Parts before and have never been disappointed. Their consistent reliability and excellent customer service keep me coming back.

★★★★★

Great place for Cat parts!
Had some shipping difficulties, but everything was made right. Parts were perfect and an excellent price. Thanks!

★★★★★

Received 15 items within 5 days from placing order !
Great. !

★★★★★

Great service They respond back very fast always try…
They respond back very fast always try there best to get what I need
Very friendly
Prices are reasonable
If there is a problem they fix it
Been working with them 4 years and hopefully many more

★★★★★

Fast response and answers all my questions in a polite manner. Highly recommend.

★★★★★

Great site and price

★★★★★

Great prices prompt courteous customer service and fast shipping.

★★★★★

Excellent Customer service

★★★★★

Have been buying parts from them for years, and they have always delivered, both with parts and customer service.

Product Questions

Frequently Asked Questions

What is the 5M8137 V-Belt Single used for?

This V-Belt Single transmits power from the engine to essential components like the alternator, water pump, and fan, ensuring smooth operation and optimal performance.

How to install this 5M8137 V-Belt Single?

Follow the steps below to properly install the 5M8137 V-Belt Single Part:
1. First, turn off the engine and allow it to cool completely 
2. Remove the old belt and inspect pulleys for wear or debris 
3. Position the new V-belt over the pulleys following the correct routing 
4. Adjust the tension according to the equipment’s specifications 
5. Start the engine to check for proper alignment and smooth operation

Is the 5M8137 V-Belt compatible with my equipment?

This belt fits various models including 3114, 3116, 3126, 3126B, 3304, 3306, D330C, D333C, 3208, and similar engines. Always confirm your engine model before purchase for compatibility. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.

Does this 5M8137 belt meet performance standards?

Yes, this 5M8137 V-Belt Single is designed to meet OEM specification, providing reliable durability, high strength, and consistent performance under demanding conditions.

How long will this 5M8137 V-belt last?

Belt life depends on usage, maintenance, and operating conditions. Regular inspections for wear, cracks, or fraying can help maximize service life and prevent unexpected downtime.

Can I replace this 5M8137 belt myself?

Yes, with basic mechanical skills and proper tools, you can replace the belt safely. Make sure to follow the correct routing and tensioning procedures to avoid engine or belt damage.

How should I maintain the V-belt for best performance?

To maintain this properly, you should:
1. Keep pulleys clean, 
2. Maintain proper tension
3. Avoid exposure to oil or chemicals. 
4. Regular checks for wear and alignment ensure long-term performance and reduce the risk of failure.

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

This 5M8137 Engine Belt is compatible with the following models:
3114, 3116, 3126, 3126B, 3304, 3306, D330C, D333C, 3208 & 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.

Exact Fit Guarantee

Exact Fit Guarantee®

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