<p>Get back to full operational uptime fast — no more waiting weeks for OEM belts or risking downtime with inconsistent aftermarket sets. This <strong>Carrier belt set</strong> delivers direct-fit, OEM-equivalent performance for your Carrier X4 7300 and 7500, with all three critical drive belts pre-matched for synchronized tension and wear life.</p> <ul> <li>Includes the exact triad: <strong>50-00178-16</strong>, 50-00162-25, and 50-00178-27 — the only combination that maintains proper pulley alignment and prevents premature camshaft timing drift</li> <li>Ships same-day from our Guangzhou warehouse — no minimum order, no delays on urgent repairs</li> <li>Built to ISO-certified specs with aramid-reinforced tensile cords (not just polyester), matching OEM heat resistance and stretch tolerance</li> <li>Verified fit for both 7300 and 7500 serial ranges — including late-model units with revised tensioner geometry</li> </ul>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
| Parameter | Details |
|---|---|
| Part Name | Belt Set for Carrier X4 7300 & 7500 |
| Part Number (OEM Reference) | 50-00178-16, 50-00162-25, 50-00178-27 / 500017816, 500016225, 500017827 |
| Brand Compatibility | Carrier |
| Machine Model Fitment | Carrier X4: 7300, 7500 |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original sealed retail packaging with part labeling |
| Brand | Applicable Models |
|---|---|
| Carrier | X4 7300, X4 7500 |
Every unplanned downtime on a Carrier X4 7300 or 7500 costs operators thousands in lost productivity — especially during critical excavation or material handling cycles. Counterfeit or low-tolerance belts slip, overheat, and fail prematurely. OEM replacements mean waiting weeks and paying 40% more. And sourcing all three required belt components from separate suppliers risks mismatched specs and delayed repairs.
This Carrier belt set delivers exact dimensional and performance equivalence to original equipment — verified through pre-shipment tension, flex-cycle, and temperature resistance testing. Backed by Guangzhou XUNPO’s 10 years of global excavator parts export experience and 10,000+ SKU warehouse inventory, it’s engineered for immediate integration into your Carrier X4 7300 or 7500 maintenance workflow — no recalibration or adaptation needed.
This belt set operates under high-load cyclic conditions across construction sites, quarries, ports, and demolition projects — where Carrier X4 7300 and 7500 machines run continuously at elevated RPMs and ambient temperatures. Correct belt tension and heat dissipation are critical to prevent slippage-driven hydraulic pump cavitation or alternator voltage drop. A single failed belt can interrupt cooling, charging, or hydraulic power delivery — making precise replacement non-negotiable.
Each belt is manufactured from EPDM rubber compound with aramid cord reinforcement — delivering superior heat resistance up to 120°C and tensile strength exceeding 1,800 N. The rib profile matches OEM pitch and depth tolerance (±0.15 mm), ensuring full engagement with pulley grooves and eliminating lateral vibration. Surface texture is calibrated for optimal grip without excessive friction-induced wear. Dimensional consistency across all three belts (50-00178-16, 50-00162-25, 50-00178-27) guarantees synchronized load distribution and avoids premature fatigue in any single component.
A $25 counterfeit belt may save upfront but often fails within 200 operating hours — triggering cascading failures: overheated alternators, low battery charge, erratic monitor readings, or even hydraulic system pressure loss. Industry data shows such failures increase total repair cost by 3.2× versus using certified aftermarket belts. With ISO 9001-certified production and 100% functional testing, this Carrier X4 7300 7500 belt kit reduces total cost of ownership (TCO) by extending service intervals and eliminating repeat labor. It meets SAE J1459 and ISO 16949 specification benchmarks for heavy-duty drive belts.
— We source exclusively from ISO 9001-certified factories and perform incoming material inspection on every batch.
— Every belt set undergoes dynamic tension and thermal cycling tests before shipment — no exceptions.
— All belts carry a 3–12 month warranty covering manufacturing defects, with no-questions-asked replacement.
— Our team has supported Carrier, CAT, Komatsu, and Volvo fleet operators across 120+ countries since 2016.
— 20+ technical specialists verify part compatibility within 2 hours — using OEM service manuals and real machine teardown data.
— Over 10,000 SKUs are held in our Guangzhou warehouse; this Carrier belt set ships within 2–5 working days.
Your Carrier X4 7300 or 7500 shouldn’t sit idle while you wait for parts. Send us the part numbers (50-00178-16, 50-00162-25, 50-00178-27), your machine model, and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers may request a sample set for validation before bulk order.
Q: Is this an original Carrier OEM part or a replacement?
A: This is an OEM-equivalent aftermarket belt set, manufactured in ISO 9001-certified facilities to match original Carrier specifications in dimensions, material, and performance.
Q: How do I confirm this fits my specific Carrier X4 7300 or 7500 unit?
A: Provide your machine’s serial number or model designation — our technical team verifies fitment against OEM service bulletins and confirms compatibility within 2 hours.
Q: What is the warranty coverage?
A: 3–12 months limited warranty against manufacturing defects. Defective units are replaced free of charge upon return verification.
Q: What is the minimum order quantity?
A: 1 complete belt set (3 pieces: 50-00178-16, 50-00162-25, 50-00178-27) — no bulk requirement.
Q: How fast can I receive the belt set after ordering?
A: In-stock orders ship within 2–5 working days. Express courier options (DHL/FedEx) deliver to most destinations in 3–7 business days.
Q: Can I request a sample before placing a larger order?
A: Yes — first-time customers may request one sample belt set for physical verification and functional testing prior to bulk purchase.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
<p>Kit contents verified against deck configuration and engine serial variant before dispatch to ensure matched tolerances across all belt positions.</p>
View Details<p><strong>504315786 Belt Tensioner</strong> — replacement for New Holland T6080, T7.170 and multiple F4DFE / F4HFE / F4GE engine families. This unit maintains calibrated load on the accessory drive belt routing the alternator, water pump and AC compressor within the engine front-end belt drive system. Spring mechanism and pulley bearing are supplied as a matched assembly to ensure correct alignment during overhaul.</p> <ul> <li>Cross-reference interchange numbers: 504028028, 87803067, 534026610, 4892866</li> <li>Engine serial and model verification recommended across F4DFE / F4HFE variants before ordering</li> <li>Inspect belt condition and idler pulleys together to address root cause of tensioner failure</li> <li><strong>Complete matched belt drive kit components shipped together</strong></li> </ul>
View Details<p><strong>Belt Tensioner Assembly 7167165 7274780 7273503</strong> — complete accessory drive component with pulley, rocker arm, spring, and mounting hardware for Bobcat S510–S850 and T550–T870 skid steer and track loaders.</p> <ul> <li>Replacing the tensioner without matching belt condition and idler pulley alignment often causes repeat failure within weeks</li> <li>Superseded reference numbers across model generations require verification against your engine serial to confirm the correct variant</li> <li>Spring force and rocker arm grade must suit the specific engine build to prevent belt slip or premature bearing wear</li> </ul> <p>Matched assembly components ship together with quality inspection records covering pulley bearing play and spring force.</p>
View Details<p><strong>R123307 Engine Belt for John Deere 3029, 4039, 4045, 6068 engines</strong> — replacement for belt drive systems in 2.9L, 3.9L, 4.5L, and 6.8L platforms.</p> <ul> <li>Fits John Deere construction and agricultural engines driving water pumps and alternators</li> <li>Inspect tensioners, idler pulleys, and seals during belt renewal to prevent a second teardown</li> <li>Reinforced compound and precision-molded profile maintain engagement under high-temperature conditions</li> </ul> <p>System-matched belt drive components ship together with dimensional verification records included.</p>
View DetailsSend us your inquiry and our technical team will verify the part and provide a competitive quote within 24 hours. MOQ starts from 1 piece.
Send Your Inquiry
Fill in the form and we'll get back to you within 24 hours.
