Belt Drive Systems
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

V-Belt 178509 for Cummins N14/NH855 – Oil-Resistant CX Belt for Heavy-Duty Engines

<p>Stop unexpected downtime and costly engine repairs caused by oil-soaked, slipping belts — this <strong>V-Belt 178509 for Cummins N14/NH855</strong> delivers OEM-equivalent grip and longevity, even in high-heat, high-oil environments where standard belts fail fast.</p> <ul> <li>Oil-resistant CX compound prevents swelling and dimensional drift — a critical fix for Cummins N14 mechanical engines where crankcase ventilation leaks are common</li> <li>Precisely engineered 22mm top width × 1147mm effective length (not inside length) ensures correct tension and pulley contact — no guesswork or trial-and-error</li> <li>Replaces both 178509 and 76107717 with verified fit on NH855, NT855, NH220, NH250, and NTA855 engines</li> <li>Backed by XUNPO’s 3–12 month warranty and same-day part verification — because you shouldn’t wait weeks for a belt that fits</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameV-Belt CX Type
Part Number (OEM Reference)178509, 76107717
Brand CompatibilityCummins
Machine Model FitmentN14 MECHANICAL, NH 855, NT 855, NH220, NH250, NTA855
MaterialHigh-quality rubber with embedded polyester cords
Dimensions22 mm top width × 1147 mm effective length (1060 mm inside length)
ConditionNew Aftermarket
Warranty3–12 months against manufacturing defects
PackagingIndividual polybag + rigid cardboard box

Compatible Models

BrandApplicable Models
CumminsN14 MECHANICAL, NH 855, NT 855, NH220, NH250, NTA855

Tired of Belt Failures on Your Cummins N14 or NH855 Engine?

Every unplanned engine shutdown costs hundreds to thousands in lost productivity — especially during critical mining or infrastructure projects. Many operators report premature cracking and slippage when using non-oil-resistant belts on high-temperature Cummins engines. OEM lead times stretch to 3 weeks, and counterfeit 178509 V-belts often fail within 200 operating hours.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This CX belt is manufactured in ISO-certified factories and undergoes pre-shipment performance testing for torque transmission, oil resistance, and thermal stability. Designed specifically for Cummins N14 and NH855 engine drive systems, it delivers consistent power transfer under continuous load — just like original equipment. With 10 years’ experience supplying excavator and heavy-duty engine parts globally, XUNPO ensures technical accuracy before dispatch.

Where This Part Works

This oil-resistant V-belt operates reliably in harsh environments: quarry crushers powered by Cummins NH855 engines, port-side material handlers running NTA855 powertrains, and municipal fleet maintenance shops servicing aging N14 mechanical units. It withstands constant exposure to engine oil mist, ambient temperatures up to 100°C, and vibration from heavy-duty hydraulic pumps — making correct specification essential for uptime.

Engineering Details That Matter

The 22mm top width and precise 1147mm effective length ensure full pulley contact and eliminate edge wear common in undersized replacements. Polyester cord reinforcement provides tensile strength exceeding ISO 4184 standards for CX profile belts, preventing elongation under repeated load cycles. Oil-resistant rubber compound meets ASTM D471 requirements for immersion in SAE 15W-40 lubricants over 72 hours without swelling >5%. Dimensional tolerance is held to ±0.5mm across all production batches — guaranteeing drop-in fit without pulley alignment adjustments.

The Real Cost of Wrong Parts

A $12 counterfeit belt may save $8 upfront but often leads to catastrophic failure: seized alternator bearings, overheated cooling fans, or complete engine shutdown. Industry data shows incorrect V-belts increase unscheduled maintenance frequency by 3.2× and raise total cost of ownership (TCO) by 210% over 12 months. Genuine-spec aftermarket parts like this 178509 V-belt reduce downtime risk while meeting OEM dimensional and performance benchmarks — verified through independent lab testing per ISO 9001 procedures.

Why Customers Trust XUNPO

• We source exclusively from ISO 9001-certified factories and inspect every incoming batch for material compliance and dimensional accuracy.
• Each 178509 V-belt undergoes dynamic tension testing at 150% rated load before shipment.
• All belts carry a 3–12 month warranty covering manufacturing defects — no questions asked.
• Our team has supported 120+ countries since 2016, with documented repeat orders from fleet operators in South Africa, Australia, and Colombia.
• 20+ technical specialists verify part compatibility within 2 hours using OEM service manuals and cross-reference databases.
• Over 10,000 SKUs are held in our Guangzhou warehouse — including this 22mm x 1147mm CX V-belt replacement — ready for same-day dispatch.

Packaging & Shipping

  • Individually sealed in anti-static polybag, nested in molded foam, packed in reinforced corrugated box
  • In-stock items ship within 2–5 working days after payment confirmation
  • Flexible logistics: DHL/FedEx/UPS express, air freight, or sea freight options available
  • Real-time tracking number provided upon dispatch
  • MOQ: 1 piece — designed for urgent field repairs and small workshops

Get Your Cummins N14 V-Belt Now

Your excavator or generator isn’t generating revenue while idle. Send us your machine model (e.g., “Cummins N14 Mechanical”), quantity needed, and destination — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Stock moves fast; confirm today to avoid delays.

Frequently Asked Questions

Q: Is this an original Cummins part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket part, produced in ISO 9001-certified facilities to meet Cummins dimensional and performance specifications for the 178509 V-belt.

Q: How do I confirm this belt fits my specific engine?

A: Provide your exact engine model (e.g., “N14 C275 Mechanical” or “NH855 B225”) and we’ll verify compatibility using factory service documentation — response guaranteed within 2 hours.

Q: What is the warranty period?

A: 3–12 months from date of delivery, covering defects in materials or workmanship. Claims require photo evidence and brief failure description.

Q: What is the minimum order quantity?

A: 1 piece. No bulk requirement — ideal for emergency replacements and small repair shops.

Q: How soon will my order ship?

A: In-stock orders ship within 2–5 working days. Express shipping options (DHL/FedEx) available for urgent deliveries.

Q: Can I receive a sample before placing a bulk order?

A: Yes — first-time customers may request one sample unit for physical testing and fit verification.

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

Part Type Belt Drive Systems
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • In-stock items dispatched in 2-5 business days
  • Multiple freight options: Express, Air, Sea
  • Real-time tracking provided
  • Ships to 120+ countries worldwide
  • Export-standard packaging for all items

Warranty & Quality

  • 3-12 month warranty on all parts
  • ISO-certified factory partners
  • Strict QC inspection before dispatch
  • Zero counterfeit policy -- guaranteed
  • Optional sample testing for new buyers
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