Belt Tensioner 3976834 3957434 for Cummins Isbe6.7 6CT 6BT 6CT8.3 6BT5.9 Engine
Keep your Cummins engine running smoothly with this reliable Belt Tensioner designed...
Get your Carrier X4 7300/7500 AC compressor running like new with this precision-engineered Belt Set for Carrier X4. Each component—50-00178-16, 50-00162-25, and 50-00178-27—delivers OEM-equivalent fit to minimize downtime and restore optimal drive performance.
Backed by rigorous quality testing, this set ensures reliable operation even in high-heat conditions—so you can keep your equipment cool without unexpected breakdowns.
| Parameter | Details |
|---|---|
| Part Name | Belt Set |
| Replacement Part Number | 50-00178-16, 50-00162-25, 50-00178-27, 500017816, 500016225, 500017827 |
| Brand | FridayParts |
| Compatible Model Brand | CARRIER |
| Machine Model Fitment | X4 Series: 7300, 7500 |
| Content | 1 PC 50-00178-16, 1 PC 50-00162-25, 1 PC 50-00178-27 |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Brand | Applicable Models |
|---|---|
| CARRIER | X4 7300, X4 7500 |
Every hour your Carrier X4 7300 or 7500 AC system is down costs money—whether it's lost productivity in mining operations or uncomfortable conditions in mobile equipment. Counterfeit belts often snap after just weeks of use, leaving you stranded with emergency repairs. OEM parts? They take 2-4 weeks to arrive and cost 30-50% more than quality replacements. And finding all three required belts (50-00178-16, 50-00162-25, 50-00178-27) from one reliable supplier? That's been a hassle—until now.
Our Belt Set for Carrier X4 solves these frustrations with components that match OEM specifications at a fraction of the cost. Backed by 10 years of global export experience and partnerships with ISO-certified factories, we ensure each belt undergoes rigorous incoming material inspection and pre-shipment testing. With 10,000+ SKUs in stock at our Guangzhou warehouse, this complete belt set ships within 2-5 working days—so you can get your AC compressor drive system back online fast, whether you're in North America, Europe, or Southeast Asia.
This belt set is critical for Carrier X4 7300 and 7500 AC compressors commonly used in construction machinery, mining equipment, and material handling vehicles. These belts transmit power from the engine to the compressor, maintaining consistent cooling performance even in extreme temperatures and dusty worksites. In port operations or quarry environments, reliable belt function directly impacts operator comfort and equipment uptime—making the right replacement parts essential for daily operations.
Each belt in this set is engineered for durability in heavy-duty applications: The 50-00178-16 and 50-00178-27 belts feature precision-molded cogged designs that reduce heat buildup and improve flexibility around pulleys, while the 50-00162-25 belt's high-tensile polyester cords prevent stretching under load. All belts use EPDM rubber compounding, which resists oil, heat, and abrasion—extending service life by 50% compared to standard aftermarket belts. Exact dimensional tolerances ensure perfect fit with Carrier X4 7300/7500 compressor pulleys, eliminating slippage and noise during operation.
Choosing cheap, untested belts might save money upfront, but the hidden costs add up quickly. A failed belt can damage the compressor pulley or tensioner, leading to $500+ in additional repairs. Worse, unexpected downtime in construction or mining operations costs an average of $3,000-$8,000 per day in lost productivity. Our Carrier X4 belt set meets ISO 9001 quality standards, delivering OEM-equivalent performance without the premium price—lowering your total cost of ownership by reducing replacement frequency and downtime risk.
We've earned the trust of 120+ countries by focusing on reliability and service: We source exclusively from ISO-certified factories and perform 100% pre-shipment performance testing to ensure each belt meets OEM specifications. Our 20+ technical experts verify part compatibility within 2 hours, helping you avoid costly mistakes. With a 3-12 month warranty against manufacturing defects, we stand behind every product. Plus, our Guangzhou warehouse stocks 10,000+ common parts, supporting 1-piece MOQs and 2-5 day shipping for urgent repairs.
Don't let a broken belt keep your Carrier X4 7300 or 7500 offline. Send us your part number, machine model, and quantity today, and we'll provide a competitive quote within 24 hours. First-time customers can request sample testing to verify quality. With our ready stock and global shipping, you'll have your replacement belt set in days—not weeks.
Q: Is this an OEM part or aftermarket replacement?
A: This is an OEM-equivalent aftermarket belt set, manufactured by ISO-certified factories to match original specifications.
Q: How do I confirm this set fits my Carrier X4 model?
A: Provide your machine's full model number and existing part numbers, and our technical team will verify compatibility within 2 hours.
Q: What is the warranty coverage?
A: We offer a 3-12 month warranty against manufacturing defects. Contact us with photos of the issue for replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 set, supporting urgent single-unit repairs.
Q: How long until shipment?
A: In-stock items ship within 2-5 working days via your choice of express, air, or sea freight.
Q: Can I get samples before placing a bulk order?
A: Yes, first-time clients can request sample testing to confirm quality and fitment.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
Fill in your details and we'll respond within 24 hours with a competitive quote.
Explore more high-quality excavator and heavy equipment parts from XUNPO.
Keep your Cummins engine running smoothly with this reliable Belt Tensioner designed...
Keep your CASE Loader Tractor 40XT, 70XT, or 850G running without interruptions...
Keep your Cummins 4BT, 6BT, or ISB engine running at peak performance...
Keep your Toro Groundsmaster 322-D or 325-D 72" mower running at peak...